[ 1867.737834][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1867.738209][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.738209][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.738209][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.738209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.738209][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1867.738209][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.738209][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1867.738209][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.738209][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1867.738209][ T74] addrconf_dad_begin+0x310/0x670 [ 1867.738209][ T74] addrconf_dad_work+0x10b/0xab0 [ 1867.738209][ T74] process_one_work+0x84d/0x18a0 [ 1867.738209][ T74] worker_thread+0x587/0xd30 [ 1867.738209][ T74] kthread+0x28a/0x350 [ 1867.738209][ T74] ret_from_fork+0x31/0x70 [ 1867.738209][ T74] ret_from_fork_asm+0x1a/0x30 [ 1867.738209][ T74] [ 1867.740197][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.740197][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.740197][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.740197][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.740197][ T74] ip6_route_add+0x1c/0x140 [ 1867.740197][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1867.740197][ T74] inet6_addr_add+0x4f8/0xa40 [ 1867.740197][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.740197][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.740197][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.740197][ T74] netlink_unicast+0x449/0x710 [ 1867.740197][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.740197][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.740197][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.740197][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.740197][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.740197][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.740197][ T74] [ 1867.742269][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.742269][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.742269][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.742269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.742269][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1867.742269][ T74] ipv6_add_addr+0x411/0x2000 [ 1867.742269][ T74] inet6_addr_add+0x30e/0xa40 [ 1867.742269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.742269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.742269][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.742269][ T74] netlink_unicast+0x449/0x710 [ 1867.742269][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.742269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.742269][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.742269][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.742269][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.742269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.742269][ T74] [ 1867.744332][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.744332][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.744332][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.744332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.744332][ T74] ip6_route_add+0x1c/0x140 [ 1867.744332][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.744332][ T74] addrconf_add_dev+0xe2/0x170 [ 1867.744332][ T74] inet6_addr_add+0x12f/0xa40 [ 1867.744332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.744332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.744332][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.744332][ T74] netlink_unicast+0x449/0x710 [ 1867.744332][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.744332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.744332][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.744332][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.744332][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.744332][ T74] [ 1867.746379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.746379][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1867.746379][ T74] ipv6_find_idev+0x102/0x170 [ 1867.746379][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.746379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.746379][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.746379][ T74] netlink_unicast+0x449/0x710 [ 1867.746379][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.746379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.746379][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.746379][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.746379][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.746379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.746379][ T74] [ 1867.747960][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1867.747960][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1867.747960][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1867.747960][ T74] ipv6_find_idev+0x102/0x170 [ 1867.747960][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.747960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.747960][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.747960][ T74] netlink_unicast+0x449/0x710 [ 1867.747960][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.747960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.747960][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.747960][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.747960][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.747960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.747960][ T74] [ 1867.749898][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1867.750155][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.750155][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.750155][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.750155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.750155][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1867.750155][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.750155][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1867.750155][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.750155][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1867.750155][ T74] addrconf_dad_begin+0x310/0x670 [ 1867.750155][ T74] addrconf_dad_work+0x10b/0xab0 [ 1867.750155][ T74] process_one_work+0x84d/0x18a0 [ 1867.750155][ T74] worker_thread+0x587/0xd30 [ 1867.750155][ T74] kthread+0x28a/0x350 [ 1867.750155][ T74] ret_from_fork+0x31/0x70 [ 1867.750155][ T74] ret_from_fork_asm+0x1a/0x30 [ 1867.750155][ T74] [ 1867.752386][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.752386][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.752386][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.752386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.752386][ T74] ip6_route_add+0x1c/0x140 [ 1867.752386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1867.752386][ T74] inet6_addr_add+0x4f8/0xa40 [ 1867.752386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.752386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.752386][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.752386][ T74] netlink_unicast+0x449/0x710 [ 1867.752386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.752386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.752386][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.752386][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.752386][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.752386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.752386][ T74] [ 1867.754669][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.754669][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.754669][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.754669][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.754669][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1867.754669][ T74] ipv6_add_addr+0x411/0x2000 [ 1867.754669][ T74] inet6_addr_add+0x30e/0xa40 [ 1867.754669][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.754669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.754669][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.754669][ T74] netlink_unicast+0x449/0x710 [ 1867.754669][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.754669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.754669][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.754669][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.754669][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.754669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.754669][ T74] [ 1867.757015][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.757015][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.757015][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.757015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.757015][ T74] ip6_route_add+0x1c/0x140 [ 1867.757015][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.757015][ T74] addrconf_add_dev+0xe2/0x170 [ 1867.757015][ T74] inet6_addr_add+0x12f/0xa40 [ 1867.757015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.757015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.757015][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.757015][ T74] netlink_unicast+0x449/0x710 [ 1867.757015][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.757015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.757015][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.757015][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.757015][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.757015][ T74] [ 1867.759347][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.759347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1867.759347][ T74] ipv6_find_idev+0x102/0x170 [ 1867.759347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.759347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.759347][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.759347][ T74] netlink_unicast+0x449/0x710 [ 1867.759347][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.759347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.759347][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.759347][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.759347][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.759347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.759347][ T74] [ 1867.761211][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1867.761211][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1867.761211][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1867.761211][ T74] ipv6_find_idev+0x102/0x170 [ 1867.761211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.761211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.761211][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.761211][ T74] netlink_unicast+0x449/0x710 [ 1867.761211][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.761211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.761211][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.761211][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.761211][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.761211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.761211][ T74] [ 1867.763208][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1867.763457][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.763457][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.763457][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.763457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.763457][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1867.763457][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.763457][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1867.763457][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.763457][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1867.763457][ T74] addrconf_dad_begin+0x310/0x670 [ 1867.763457][ T74] addrconf_dad_work+0x10b/0xab0 [ 1867.763457][ T74] process_one_work+0x84d/0x18a0 [ 1867.763457][ T74] worker_thread+0x587/0xd30 [ 1867.763457][ T74] kthread+0x28a/0x350 [ 1867.763457][ T74] ret_from_fork+0x31/0x70 [ 1867.763457][ T74] ret_from_fork_asm+0x1a/0x30 [ 1867.763457][ T74] [ 1867.765500][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.765500][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.765500][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.765500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.765500][ T74] ip6_route_add+0x1c/0x140 [ 1867.765500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1867.765500][ T74] inet6_addr_add+0x4f8/0xa40 [ 1867.765500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.765500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.765500][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.765500][ T74] netlink_unicast+0x449/0x710 [ 1867.765500][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.765500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.765500][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.765500][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.765500][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.765500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.765500][ T74] [ 1867.767544][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.767544][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.767544][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.767544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.767544][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1867.767544][ T74] ipv6_add_addr+0x411/0x2000 [ 1867.767544][ T74] inet6_addr_add+0x30e/0xa40 [ 1867.767544][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.767544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.767544][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.767544][ T74] netlink_unicast+0x449/0x710 [ 1867.767544][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.767544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.767544][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.767544][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.767544][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.767544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.767544][ T74] [ 1867.769746][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.769746][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.769746][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.769746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.769746][ T74] ip6_route_add+0x1c/0x140 [ 1867.769746][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.769746][ T74] addrconf_add_dev+0xe2/0x170 [ 1867.769746][ T74] inet6_addr_add+0x12f/0xa40 [ 1867.769746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.769746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.769746][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.769746][ T74] netlink_unicast+0x449/0x710 [ 1867.769746][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.769746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.769746][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.769746][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.769746][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.769746][ T74] [ 1867.772011][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.772011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1867.772011][ T74] ipv6_find_idev+0x102/0x170 [ 1867.772011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.772011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.772011][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.772011][ T74] netlink_unicast+0x449/0x710 [ 1867.772011][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.772011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.772011][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.772011][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.772011][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.772011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.772011][ T74] [ 1867.773827][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1867.773827][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1867.773827][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1867.773827][ T74] ipv6_find_idev+0x102/0x170 [ 1867.773827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.773827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.773827][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.773827][ T74] netlink_unicast+0x449/0x710 [ 1867.773827][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.773827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.773827][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.773827][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.773827][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.773827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.773827][ T74] [ 1867.775736][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1867.776051][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.776051][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.776051][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.776051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.776051][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1867.776051][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1867.776051][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1867.776051][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1867.776051][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1867.776051][ T74] addrconf_dad_begin+0x310/0x670 [ 1867.776051][ T74] addrconf_dad_work+0x10b/0xab0 [ 1867.776051][ T74] process_one_work+0x84d/0x18a0 [ 1867.776051][ T74] worker_thread+0x587/0xd30 [ 1867.776051][ T74] kthread+0x28a/0x350 [ 1867.776051][ T74] ret_from_fork+0x31/0x70 [ 1867.776051][ T74] ret_from_fork_asm+0x1a/0x30 [ 1867.776051][ T74] [ 1867.778230][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.778230][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.778230][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.778230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.778230][ T74] ip6_route_add+0x1c/0x140 [ 1867.778230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1867.778230][ T74] inet6_addr_add+0x4f8/0xa40 [ 1867.778230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.778230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.778230][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.778230][ T74] netlink_unicast+0x449/0x710 [ 1867.778230][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.778230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.778230][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.778230][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.778230][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.778230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.778230][ T74] [ 1867.780667][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.780667][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.780667][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.780667][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.780667][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1867.780667][ T74] ipv6_add_addr+0x411/0x2000 [ 1867.780667][ T74] inet6_addr_add+0x30e/0xa40 [ 1867.780667][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.780667][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.780667][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.780667][ T74] netlink_unicast+0x449/0x710 [ 1867.780667][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.780667][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.780667][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.780667][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.780667][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.780667][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.780667][ T74] [ 1867.782959][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.782959][ T74] netdev_get_by_index+0x5e/0x80 [ 1867.782959][ T74] fib6_nh_init+0x3d8/0x1580 [ 1867.782959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1867.782959][ T74] ip6_route_add+0x1c/0x140 [ 1867.782959][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1867.782959][ T74] addrconf_add_dev+0xe2/0x170 [ 1867.782959][ T74] inet6_addr_add+0x12f/0xa40 [ 1867.782959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1867.782959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.782959][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.782959][ T74] netlink_unicast+0x449/0x710 [ 1867.782959][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.782959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.782959][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.782959][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.782959][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.782959][ T74] [ 1867.785216][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.785216][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1867.785216][ T74] ipv6_find_idev+0x102/0x170 [ 1867.785216][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.785216][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.785216][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.785216][ T74] netlink_unicast+0x449/0x710 [ 1867.785216][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.785216][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.785216][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.785216][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.785216][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.785216][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.785216][ T74] [ 1867.786970][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1867.786970][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1867.786970][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1867.786970][ T74] ipv6_find_idev+0x102/0x170 [ 1867.786970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1867.786970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1867.786970][ T74] netlink_rcv_skb+0x130/0x360 [ 1867.786970][ T74] netlink_unicast+0x449/0x710 [ 1867.786970][ T74] netlink_sendmsg+0x723/0xbe0 [ 1867.786970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1867.786970][ T74] ___sys_sendmsg+0xee/0x170 [ 1867.786970][ T74] __sys_sendmsg+0xcd/0x170 [ 1867.786970][ T74] do_syscall_64+0xc6/0x1e0 [ 1867.786970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1867.786970][ T74] [ 1877.920962][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1877.921341][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.921341][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.921341][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.921341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.921341][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1877.921341][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.921341][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1877.921341][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.921341][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1877.921341][ T74] addrconf_dad_begin+0x310/0x670 [ 1877.921341][ T74] addrconf_dad_work+0x10b/0xab0 [ 1877.921341][ T74] process_one_work+0x84d/0x18a0 [ 1877.921341][ T74] worker_thread+0x587/0xd30 [ 1877.921341][ T74] kthread+0x28a/0x350 [ 1877.921341][ T74] ret_from_fork+0x31/0x70 [ 1877.921341][ T74] ret_from_fork_asm+0x1a/0x30 [ 1877.921341][ T74] [ 1877.923368][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.923368][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.923368][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.923368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.923368][ T74] ip6_route_add+0x1c/0x140 [ 1877.923368][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1877.923368][ T74] inet6_addr_add+0x4f8/0xa40 [ 1877.923368][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.923368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.923368][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.923368][ T74] netlink_unicast+0x449/0x710 [ 1877.923368][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.923368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.923368][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.923368][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.923368][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.923368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.923368][ T74] [ 1877.925445][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.925445][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.925445][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.925445][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.925445][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1877.925445][ T74] ipv6_add_addr+0x411/0x2000 [ 1877.925445][ T74] inet6_addr_add+0x30e/0xa40 [ 1877.925445][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.925445][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.925445][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.925445][ T74] netlink_unicast+0x449/0x710 [ 1877.925445][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.925445][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.925445][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.925445][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.925445][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.925445][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.925445][ T74] [ 1877.927531][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.927531][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.927531][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.927531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.927531][ T74] ip6_route_add+0x1c/0x140 [ 1877.927531][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.927531][ T74] addrconf_add_dev+0xe2/0x170 [ 1877.927531][ T74] inet6_addr_add+0x12f/0xa40 [ 1877.927531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.927531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.927531][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.927531][ T74] netlink_unicast+0x449/0x710 [ 1877.927531][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.927531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.927531][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.927531][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.927531][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.927531][ T74] [ 1877.929513][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.929513][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1877.929513][ T74] ipv6_find_idev+0x102/0x170 [ 1877.929513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.929513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.929513][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.929513][ T74] netlink_unicast+0x449/0x710 [ 1877.929513][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.929513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.929513][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.929513][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.929513][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.929513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.929513][ T74] [ 1877.931073][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1877.931073][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1877.931073][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1877.931073][ T74] ipv6_find_idev+0x102/0x170 [ 1877.931073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.931073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.931073][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.931073][ T74] netlink_unicast+0x449/0x710 [ 1877.931073][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.931073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.931073][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.931073][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.931073][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.931073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.931073][ T74] [ 1877.932779][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1877.933057][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.933057][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.933057][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.933057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.933057][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1877.933057][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.933057][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1877.933057][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.933057][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1877.933057][ T74] addrconf_dad_begin+0x310/0x670 [ 1877.933057][ T74] addrconf_dad_work+0x10b/0xab0 [ 1877.933057][ T74] process_one_work+0x84d/0x18a0 [ 1877.933057][ T74] worker_thread+0x587/0xd30 [ 1877.933057][ T74] kthread+0x28a/0x350 [ 1877.933057][ T74] ret_from_fork+0x31/0x70 [ 1877.933057][ T74] ret_from_fork_asm+0x1a/0x30 [ 1877.933057][ T74] [ 1877.934996][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.934996][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.934996][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.934996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.934996][ T74] ip6_route_add+0x1c/0x140 [ 1877.934996][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1877.934996][ T74] inet6_addr_add+0x4f8/0xa40 [ 1877.934996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.934996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.934996][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.934996][ T74] netlink_unicast+0x449/0x710 [ 1877.934996][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.934996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.934996][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.934996][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.934996][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.934996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.934996][ T74] [ 1877.937019][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.937019][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.937019][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.937019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.937019][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1877.937019][ T74] ipv6_add_addr+0x411/0x2000 [ 1877.937019][ T74] inet6_addr_add+0x30e/0xa40 [ 1877.937019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.937019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.937019][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.937019][ T74] netlink_unicast+0x449/0x710 [ 1877.937019][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.937019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.937019][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.937019][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.937019][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.937019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.937019][ T74] [ 1877.939050][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.939050][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.939050][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.939050][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.939050][ T74] ip6_route_add+0x1c/0x140 [ 1877.939050][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.939050][ T74] addrconf_add_dev+0xe2/0x170 [ 1877.939050][ T74] inet6_addr_add+0x12f/0xa40 [ 1877.939050][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.939050][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.939050][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.939050][ T74] netlink_unicast+0x449/0x710 [ 1877.939050][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.939050][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.939050][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.939050][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.939050][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.939050][ T74] [ 1877.941061][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.941061][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1877.941061][ T74] ipv6_find_idev+0x102/0x170 [ 1877.941061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.941061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.941061][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.941061][ T74] netlink_unicast+0x449/0x710 [ 1877.941061][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.941061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.941061][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.941061][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.941061][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.941061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.941061][ T74] [ 1877.942626][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1877.942626][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1877.942626][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1877.942626][ T74] ipv6_find_idev+0x102/0x170 [ 1877.942626][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.942626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.942626][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.942626][ T74] netlink_unicast+0x449/0x710 [ 1877.942626][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.942626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.942626][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.942626][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.942626][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.942626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.942626][ T74] [ 1877.944350][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1877.944597][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.944597][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.944597][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.944597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.944597][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1877.944597][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.944597][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1877.944597][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.944597][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1877.944597][ T74] addrconf_dad_begin+0x310/0x670 [ 1877.944597][ T74] addrconf_dad_work+0x10b/0xab0 [ 1877.944597][ T74] process_one_work+0x84d/0x18a0 [ 1877.944597][ T74] worker_thread+0x587/0xd30 [ 1877.944597][ T74] kthread+0x28a/0x350 [ 1877.944597][ T74] ret_from_fork+0x31/0x70 [ 1877.944597][ T74] ret_from_fork_asm+0x1a/0x30 [ 1877.944597][ T74] [ 1877.946890][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.946890][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.946890][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.946890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.946890][ T74] ip6_route_add+0x1c/0x140 [ 1877.946890][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1877.946890][ T74] inet6_addr_add+0x4f8/0xa40 [ 1877.946890][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.946890][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.946890][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.946890][ T74] netlink_unicast+0x449/0x710 [ 1877.946890][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.946890][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.946890][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.946890][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.946890][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.946890][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.946890][ T74] [ 1877.949279][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.949279][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.949279][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.949279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.949279][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1877.949279][ T74] ipv6_add_addr+0x411/0x2000 [ 1877.949279][ T74] inet6_addr_add+0x30e/0xa40 [ 1877.949279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.949279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.949279][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.949279][ T74] netlink_unicast+0x449/0x710 [ 1877.949279][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.949279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.949279][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.949279][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.949279][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.949279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.949279][ T74] [ 1877.951714][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.951714][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.951714][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.951714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.951714][ T74] ip6_route_add+0x1c/0x140 [ 1877.951714][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.951714][ T74] addrconf_add_dev+0xe2/0x170 [ 1877.951714][ T74] inet6_addr_add+0x12f/0xa40 [ 1877.951714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.951714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.951714][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.951714][ T74] netlink_unicast+0x449/0x710 [ 1877.951714][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.951714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.951714][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.951714][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.951714][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.951714][ T74] [ 1877.953843][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.953843][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1877.953843][ T74] ipv6_find_idev+0x102/0x170 [ 1877.953843][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.953843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.953843][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.953843][ T74] netlink_unicast+0x449/0x710 [ 1877.953843][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.953843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.953843][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.953843][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.953843][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.953843][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.953843][ T74] [ 1877.955589][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1877.955589][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1877.955589][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1877.955589][ T74] ipv6_find_idev+0x102/0x170 [ 1877.955589][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.955589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.955589][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.955589][ T74] netlink_unicast+0x449/0x710 [ 1877.955589][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.955589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.955589][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.955589][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.955589][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.955589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.955589][ T74] [ 1877.957360][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1877.957690][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.957690][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.957690][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.957690][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.957690][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1877.957690][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1877.957690][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1877.957690][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1877.957690][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1877.957690][ T74] addrconf_dad_begin+0x310/0x670 [ 1877.957690][ T74] addrconf_dad_work+0x10b/0xab0 [ 1877.957690][ T74] process_one_work+0x84d/0x18a0 [ 1877.957690][ T74] worker_thread+0x587/0xd30 [ 1877.957690][ T74] kthread+0x28a/0x350 [ 1877.957690][ T74] ret_from_fork+0x31/0x70 [ 1877.957690][ T74] ret_from_fork_asm+0x1a/0x30 [ 1877.957690][ T74] [ 1877.959715][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.959715][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.959715][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.959715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.959715][ T74] ip6_route_add+0x1c/0x140 [ 1877.959715][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1877.959715][ T74] inet6_addr_add+0x4f8/0xa40 [ 1877.959715][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.959715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.959715][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.959715][ T74] netlink_unicast+0x449/0x710 [ 1877.959715][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.959715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.959715][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.959715][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.959715][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.959715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.959715][ T74] [ 1877.961957][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.961957][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.961957][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.961957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.961957][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1877.961957][ T74] ipv6_add_addr+0x411/0x2000 [ 1877.961957][ T74] inet6_addr_add+0x30e/0xa40 [ 1877.961957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.961957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.961957][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.961957][ T74] netlink_unicast+0x449/0x710 [ 1877.961957][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.961957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.961957][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.961957][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.961957][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.961957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.961957][ T74] [ 1877.964228][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.964228][ T74] netdev_get_by_index+0x5e/0x80 [ 1877.964228][ T74] fib6_nh_init+0x3d8/0x1580 [ 1877.964228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1877.964228][ T74] ip6_route_add+0x1c/0x140 [ 1877.964228][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1877.964228][ T74] addrconf_add_dev+0xe2/0x170 [ 1877.964228][ T74] inet6_addr_add+0x12f/0xa40 [ 1877.964228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1877.964228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.964228][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.964228][ T74] netlink_unicast+0x449/0x710 [ 1877.964228][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.964228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.964228][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.964228][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.964228][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.964228][ T74] [ 1877.966492][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.966492][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1877.966492][ T74] ipv6_find_idev+0x102/0x170 [ 1877.966492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.966492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.966492][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.966492][ T74] netlink_unicast+0x449/0x710 [ 1877.966492][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.966492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.966492][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.966492][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.966492][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.966492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.966492][ T74] [ 1877.968392][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1877.968392][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1877.968392][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1877.968392][ T74] ipv6_find_idev+0x102/0x170 [ 1877.968392][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1877.968392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1877.968392][ T74] netlink_rcv_skb+0x130/0x360 [ 1877.968392][ T74] netlink_unicast+0x449/0x710 [ 1877.968392][ T74] netlink_sendmsg+0x723/0xbe0 [ 1877.968392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1877.968392][ T74] ___sys_sendmsg+0xee/0x170 [ 1877.968392][ T74] __sys_sendmsg+0xcd/0x170 [ 1877.968392][ T74] do_syscall_64+0xc6/0x1e0 [ 1877.968392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1877.968392][ T74] [ 1888.080907][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1888.081264][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.081264][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.081264][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.081264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.081264][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1888.081264][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.081264][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1888.081264][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.081264][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1888.081264][ T74] addrconf_dad_begin+0x310/0x670 [ 1888.081264][ T74] addrconf_dad_work+0x10b/0xab0 [ 1888.081264][ T74] process_one_work+0x84d/0x18a0 [ 1888.081264][ T74] worker_thread+0x587/0xd30 [ 1888.081264][ T74] kthread+0x28a/0x350 [ 1888.081264][ T74] ret_from_fork+0x31/0x70 [ 1888.081264][ T74] ret_from_fork_asm+0x1a/0x30 [ 1888.081264][ T74] [ 1888.083500][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.083500][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.083500][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.083500][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.083500][ T74] ip6_route_add+0x1c/0x140 [ 1888.083500][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1888.083500][ T74] inet6_addr_add+0x4f8/0xa40 [ 1888.083500][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.083500][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.083500][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.083500][ T74] netlink_unicast+0x449/0x710 [ 1888.083500][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.083500][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.083500][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.083500][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.083500][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.083500][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.083500][ T74] [ 1888.085873][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.085873][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.085873][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.085873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.085873][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1888.085873][ T74] ipv6_add_addr+0x411/0x2000 [ 1888.085873][ T74] inet6_addr_add+0x30e/0xa40 [ 1888.085873][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.085873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.085873][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.085873][ T74] netlink_unicast+0x449/0x710 [ 1888.085873][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.085873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.085873][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.085873][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.085873][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.085873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.085873][ T74] [ 1888.088235][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.088235][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.088235][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.088235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.088235][ T74] ip6_route_add+0x1c/0x140 [ 1888.088235][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.088235][ T74] addrconf_add_dev+0xe2/0x170 [ 1888.088235][ T74] inet6_addr_add+0x12f/0xa40 [ 1888.088235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.088235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.088235][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.088235][ T74] netlink_unicast+0x449/0x710 [ 1888.088235][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.088235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.088235][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.088235][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.088235][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.088235][ T74] [ 1888.090561][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.090561][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1888.090561][ T74] ipv6_find_idev+0x102/0x170 [ 1888.090561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.090561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.090561][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.090561][ T74] netlink_unicast+0x449/0x710 [ 1888.090561][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.090561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.090561][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.090561][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.090561][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.090561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.090561][ T74] [ 1888.092349][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1888.092349][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1888.092349][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1888.092349][ T74] ipv6_find_idev+0x102/0x170 [ 1888.092349][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.092349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.092349][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.092349][ T74] netlink_unicast+0x449/0x710 [ 1888.092349][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.092349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.092349][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.092349][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.092349][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.092349][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.092349][ T74] [ 1888.094391][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1888.094692][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.094692][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.094692][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.094692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.094692][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1888.094692][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.094692][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1888.094692][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.094692][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1888.094692][ T74] addrconf_dad_begin+0x310/0x670 [ 1888.094692][ T74] addrconf_dad_work+0x10b/0xab0 [ 1888.094692][ T74] process_one_work+0x84d/0x18a0 [ 1888.094692][ T74] worker_thread+0x587/0xd30 [ 1888.094692][ T74] kthread+0x28a/0x350 [ 1888.094692][ T74] ret_from_fork+0x31/0x70 [ 1888.094692][ T74] ret_from_fork_asm+0x1a/0x30 [ 1888.094692][ T74] [ 1888.096887][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.096887][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.096887][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.096887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.096887][ T74] ip6_route_add+0x1c/0x140 [ 1888.096887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1888.096887][ T74] inet6_addr_add+0x4f8/0xa40 [ 1888.096887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.096887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.096887][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.096887][ T74] netlink_unicast+0x449/0x710 [ 1888.096887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.096887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.096887][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.096887][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.096887][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.096887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.096887][ T74] [ 1888.099091][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.099091][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.099091][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.099091][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.099091][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1888.099091][ T74] ipv6_add_addr+0x411/0x2000 [ 1888.099091][ T74] inet6_addr_add+0x30e/0xa40 [ 1888.099091][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.099091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.099091][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.099091][ T74] netlink_unicast+0x449/0x710 [ 1888.099091][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.099091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.099091][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.099091][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.099091][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.099091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.099091][ T74] [ 1888.101273][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.101273][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.101273][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.101273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.101273][ T74] ip6_route_add+0x1c/0x140 [ 1888.101273][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.101273][ T74] addrconf_add_dev+0xe2/0x170 [ 1888.101273][ T74] inet6_addr_add+0x12f/0xa40 [ 1888.101273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.101273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.101273][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.101273][ T74] netlink_unicast+0x449/0x710 [ 1888.101273][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.101273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.101273][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.101273][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.101273][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.101273][ T74] [ 1888.103426][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.103426][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1888.103426][ T74] ipv6_find_idev+0x102/0x170 [ 1888.103426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.103426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.103426][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.103426][ T74] netlink_unicast+0x449/0x710 [ 1888.103426][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.103426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.103426][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.103426][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.103426][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.103426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.103426][ T74] [ 1888.105273][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1888.105273][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1888.105273][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1888.105273][ T74] ipv6_find_idev+0x102/0x170 [ 1888.105273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.105273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.105273][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.105273][ T74] netlink_unicast+0x449/0x710 [ 1888.105273][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.105273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.105273][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.105273][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.105273][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.105273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.105273][ T74] [ 1888.107340][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1888.107623][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.107623][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.107623][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.107623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.107623][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1888.107623][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.107623][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1888.107623][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.107623][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1888.107623][ T74] addrconf_dad_begin+0x310/0x670 [ 1888.107623][ T74] addrconf_dad_work+0x10b/0xab0 [ 1888.107623][ T74] process_one_work+0x84d/0x18a0 [ 1888.107623][ T74] worker_thread+0x587/0xd30 [ 1888.107623][ T74] kthread+0x28a/0x350 [ 1888.107623][ T74] ret_from_fork+0x31/0x70 [ 1888.107623][ T74] ret_from_fork_asm+0x1a/0x30 [ 1888.107623][ T74] [ 1888.109902][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.109902][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.109902][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.109902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.109902][ T74] ip6_route_add+0x1c/0x140 [ 1888.109902][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1888.109902][ T74] inet6_addr_add+0x4f8/0xa40 [ 1888.109902][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.109902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.109902][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.109902][ T74] netlink_unicast+0x449/0x710 [ 1888.109902][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.109902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.109902][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.109902][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.109902][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.109902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.109902][ T74] [ 1888.112399][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.112399][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.112399][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.112399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.112399][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1888.112399][ T74] ipv6_add_addr+0x411/0x2000 [ 1888.112399][ T74] inet6_addr_add+0x30e/0xa40 [ 1888.112399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.112399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.112399][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.112399][ T74] netlink_unicast+0x449/0x710 [ 1888.112399][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.112399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.112399][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.112399][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.112399][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.112399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.112399][ T74] [ 1888.114983][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.114983][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.114983][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.114983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.114983][ T74] ip6_route_add+0x1c/0x140 [ 1888.114983][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.114983][ T74] addrconf_add_dev+0xe2/0x170 [ 1888.114983][ T74] inet6_addr_add+0x12f/0xa40 [ 1888.114983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.114983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.114983][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.114983][ T74] netlink_unicast+0x449/0x710 [ 1888.114983][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.114983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.114983][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.114983][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.114983][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.114983][ T74] [ 1888.117287][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.117287][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1888.117287][ T74] ipv6_find_idev+0x102/0x170 [ 1888.117287][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.117287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.117287][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.117287][ T74] netlink_unicast+0x449/0x710 [ 1888.117287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.117287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.117287][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.117287][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.117287][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.117287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.117287][ T74] [ 1888.119198][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1888.119198][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1888.119198][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1888.119198][ T74] ipv6_find_idev+0x102/0x170 [ 1888.119198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.119198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.119198][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.119198][ T74] netlink_unicast+0x449/0x710 [ 1888.119198][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.119198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.119198][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.119198][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.119198][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.119198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.119198][ T74] [ 1888.121270][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1888.121614][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.121614][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.121614][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.121614][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.121614][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1888.121614][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1888.121614][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1888.121614][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1888.121614][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1888.121614][ T74] addrconf_dad_begin+0x310/0x670 [ 1888.121614][ T74] addrconf_dad_work+0x10b/0xab0 [ 1888.121614][ T74] process_one_work+0x84d/0x18a0 [ 1888.121614][ T74] worker_thread+0x587/0xd30 [ 1888.121614][ T74] kthread+0x28a/0x350 [ 1888.121614][ T74] ret_from_fork+0x31/0x70 [ 1888.121614][ T74] ret_from_fork_asm+0x1a/0x30 [ 1888.121614][ T74] [ 1888.124158][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.124158][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.124158][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.124158][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.124158][ T74] ip6_route_add+0x1c/0x140 [ 1888.124158][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1888.124158][ T74] inet6_addr_add+0x4f8/0xa40 [ 1888.124158][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.124158][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.124158][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.124158][ T74] netlink_unicast+0x449/0x710 [ 1888.124158][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.124158][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.124158][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.124158][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.124158][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.124158][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.124158][ T74] [ 1888.126662][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.126662][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.126662][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.126662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.126662][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1888.126662][ T74] ipv6_add_addr+0x411/0x2000 [ 1888.126662][ T74] inet6_addr_add+0x30e/0xa40 [ 1888.126662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.126662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.126662][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.126662][ T74] netlink_unicast+0x449/0x710 [ 1888.126662][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.126662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.126662][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.126662][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.126662][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.126662][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.126662][ T74] [ 1888.129247][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.129247][ T74] netdev_get_by_index+0x5e/0x80 [ 1888.129247][ T74] fib6_nh_init+0x3d8/0x1580 [ 1888.129247][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1888.129247][ T74] ip6_route_add+0x1c/0x140 [ 1888.129247][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1888.129247][ T74] addrconf_add_dev+0xe2/0x170 [ 1888.129247][ T74] inet6_addr_add+0x12f/0xa40 [ 1888.129247][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1888.129247][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.129247][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.129247][ T74] netlink_unicast+0x449/0x710 [ 1888.129247][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.129247][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.129247][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.129247][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.129247][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.129247][ T74] [ 1888.131668][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.131668][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1888.131668][ T74] ipv6_find_idev+0x102/0x170 [ 1888.131668][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.131668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.131668][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.131668][ T74] netlink_unicast+0x449/0x710 [ 1888.131668][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.131668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.131668][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.131668][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.131668][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.131668][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.131668][ T74] [ 1888.133550][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1888.133550][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1888.133550][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1888.133550][ T74] ipv6_find_idev+0x102/0x170 [ 1888.133550][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1888.133550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1888.133550][ T74] netlink_rcv_skb+0x130/0x360 [ 1888.133550][ T74] netlink_unicast+0x449/0x710 [ 1888.133550][ T74] netlink_sendmsg+0x723/0xbe0 [ 1888.133550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1888.133550][ T74] ___sys_sendmsg+0xee/0x170 [ 1888.133550][ T74] __sys_sendmsg+0xcd/0x170 [ 1888.133550][ T74] do_syscall_64+0xc6/0x1e0 [ 1888.133550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1888.133550][ T74] [ 1898.272914][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1898.273349][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.273349][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.273349][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.273349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.273349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1898.273349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.273349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1898.273349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.273349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1898.273349][ T74] addrconf_dad_begin+0x310/0x670 [ 1898.273349][ T74] addrconf_dad_work+0x10b/0xab0 [ 1898.273349][ T74] process_one_work+0x84d/0x18a0 [ 1898.273349][ T74] worker_thread+0x587/0xd30 [ 1898.273349][ T74] kthread+0x28a/0x350 [ 1898.273349][ T74] ret_from_fork+0x31/0x70 [ 1898.273349][ T74] ret_from_fork_asm+0x1a/0x30 [ 1898.273349][ T74] [ 1898.275719][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.275719][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.275719][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.275719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.275719][ T74] ip6_route_add+0x1c/0x140 [ 1898.275719][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1898.275719][ T74] inet6_addr_add+0x4f8/0xa40 [ 1898.275719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.275719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.275719][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.275719][ T74] netlink_unicast+0x449/0x710 [ 1898.275719][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.275719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.275719][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.275719][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.275719][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.275719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.275719][ T74] [ 1898.278170][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.278170][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.278170][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.278170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.278170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1898.278170][ T74] ipv6_add_addr+0x411/0x2000 [ 1898.278170][ T74] inet6_addr_add+0x30e/0xa40 [ 1898.278170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.278170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.278170][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.278170][ T74] netlink_unicast+0x449/0x710 [ 1898.278170][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.278170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.278170][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.278170][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.278170][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.278170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.278170][ T74] [ 1898.280630][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.280630][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.280630][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.280630][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.280630][ T74] ip6_route_add+0x1c/0x140 [ 1898.280630][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.280630][ T74] addrconf_add_dev+0xe2/0x170 [ 1898.280630][ T74] inet6_addr_add+0x12f/0xa40 [ 1898.280630][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.280630][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.280630][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.280630][ T74] netlink_unicast+0x449/0x710 [ 1898.280630][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.280630][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.280630][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.280630][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.280630][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.280630][ T74] [ 1898.283031][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.283031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1898.283031][ T74] ipv6_find_idev+0x102/0x170 [ 1898.283031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.283031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.283031][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.283031][ T74] netlink_unicast+0x449/0x710 [ 1898.283031][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.283031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.283031][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.283031][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.283031][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.283031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.283031][ T74] [ 1898.284915][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1898.284915][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1898.284915][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1898.284915][ T74] ipv6_find_idev+0x102/0x170 [ 1898.284915][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.284915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.284915][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.284915][ T74] netlink_unicast+0x449/0x710 [ 1898.284915][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.284915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.284915][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.284915][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.284915][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.284915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.284915][ T74] [ 1898.286981][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1898.287279][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.287279][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.287279][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.287279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.287279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1898.287279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.287279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1898.287279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.287279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1898.287279][ T74] addrconf_dad_begin+0x310/0x670 [ 1898.287279][ T74] addrconf_dad_work+0x10b/0xab0 [ 1898.287279][ T74] process_one_work+0x84d/0x18a0 [ 1898.287279][ T74] worker_thread+0x587/0xd30 [ 1898.287279][ T74] kthread+0x28a/0x350 [ 1898.287279][ T74] ret_from_fork+0x31/0x70 [ 1898.287279][ T74] ret_from_fork_asm+0x1a/0x30 [ 1898.287279][ T74] [ 1898.289624][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.289624][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.289624][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.289624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.289624][ T74] ip6_route_add+0x1c/0x140 [ 1898.289624][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1898.289624][ T74] inet6_addr_add+0x4f8/0xa40 [ 1898.289624][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.289624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.289624][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.289624][ T74] netlink_unicast+0x449/0x710 [ 1898.289624][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.289624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.289624][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.289624][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.289624][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.289624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.289624][ T74] [ 1898.292057][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.292057][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.292057][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.292057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.292057][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1898.292057][ T74] ipv6_add_addr+0x411/0x2000 [ 1898.292057][ T74] inet6_addr_add+0x30e/0xa40 [ 1898.292057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.292057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.292057][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.292057][ T74] netlink_unicast+0x449/0x710 [ 1898.292057][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.292057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.292057][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.292057][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.292057][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.292057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.292057][ T74] [ 1898.294494][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.294494][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.294494][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.294494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.294494][ T74] ip6_route_add+0x1c/0x140 [ 1898.294494][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.294494][ T74] addrconf_add_dev+0xe2/0x170 [ 1898.294494][ T74] inet6_addr_add+0x12f/0xa40 [ 1898.294494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.294494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.294494][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.294494][ T74] netlink_unicast+0x449/0x710 [ 1898.294494][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.294494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.294494][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.294494][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.294494][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.294494][ T74] [ 1898.296885][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.296885][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1898.296885][ T74] ipv6_find_idev+0x102/0x170 [ 1898.296885][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.296885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.296885][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.296885][ T74] netlink_unicast+0x449/0x710 [ 1898.296885][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.296885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.296885][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.296885][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.296885][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.296885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.296885][ T74] [ 1898.298747][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1898.298747][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1898.298747][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1898.298747][ T74] ipv6_find_idev+0x102/0x170 [ 1898.298747][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.298747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.298747][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.298747][ T74] netlink_unicast+0x449/0x710 [ 1898.298747][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.298747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.298747][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.298747][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.298747][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.298747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.298747][ T74] [ 1898.300789][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1898.301098][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.301098][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.301098][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.301098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.301098][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1898.301098][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.301098][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1898.301098][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.301098][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1898.301098][ T74] addrconf_dad_begin+0x310/0x670 [ 1898.301098][ T74] addrconf_dad_work+0x10b/0xab0 [ 1898.301098][ T74] process_one_work+0x84d/0x18a0 [ 1898.301098][ T74] worker_thread+0x587/0xd30 [ 1898.301098][ T74] kthread+0x28a/0x350 [ 1898.301098][ T74] ret_from_fork+0x31/0x70 [ 1898.301098][ T74] ret_from_fork_asm+0x1a/0x30 [ 1898.301098][ T74] [ 1898.303455][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.303455][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.303455][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.303455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.303455][ T74] ip6_route_add+0x1c/0x140 [ 1898.303455][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1898.303455][ T74] inet6_addr_add+0x4f8/0xa40 [ 1898.303455][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.303455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.303455][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.303455][ T74] netlink_unicast+0x449/0x710 [ 1898.303455][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.303455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.303455][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.303455][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.303455][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.303455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.303455][ T74] [ 1898.306084][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.306084][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.306084][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.306084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.306084][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1898.306084][ T74] ipv6_add_addr+0x411/0x2000 [ 1898.306084][ T74] inet6_addr_add+0x30e/0xa40 [ 1898.306084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.306084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.306084][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.306084][ T74] netlink_unicast+0x449/0x710 [ 1898.306084][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.306084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.306084][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.306084][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.306084][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.306084][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.306084][ T74] [ 1898.308818][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.308818][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.308818][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.308818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.308818][ T74] ip6_route_add+0x1c/0x140 [ 1898.308818][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.308818][ T74] addrconf_add_dev+0xe2/0x170 [ 1898.308818][ T74] inet6_addr_add+0x12f/0xa40 [ 1898.308818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.308818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.308818][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.308818][ T74] netlink_unicast+0x449/0x710 [ 1898.308818][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.308818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.308818][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.308818][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.308818][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.308818][ T74] [ 1898.311454][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.311454][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1898.311454][ T74] ipv6_find_idev+0x102/0x170 [ 1898.311454][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.311454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.311454][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.311454][ T74] netlink_unicast+0x449/0x710 [ 1898.311454][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.311454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.311454][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.311454][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.311454][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.311454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.311454][ T74] [ 1898.313495][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1898.313495][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1898.313495][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1898.313495][ T74] ipv6_find_idev+0x102/0x170 [ 1898.313495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.313495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.313495][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.313495][ T74] netlink_unicast+0x449/0x710 [ 1898.313495][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.313495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.313495][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.313495][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.313495][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.313495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.313495][ T74] [ 1898.315718][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1898.316144][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.316144][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.316144][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.316144][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.316144][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1898.316144][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1898.316144][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1898.316144][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1898.316144][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1898.316144][ T74] addrconf_dad_begin+0x310/0x670 [ 1898.316144][ T74] addrconf_dad_work+0x10b/0xab0 [ 1898.316144][ T74] process_one_work+0x84d/0x18a0 [ 1898.316144][ T74] worker_thread+0x587/0xd30 [ 1898.316144][ T74] kthread+0x28a/0x350 [ 1898.316144][ T74] ret_from_fork+0x31/0x70 [ 1898.316144][ T74] ret_from_fork_asm+0x1a/0x30 [ 1898.316144][ T74] [ 1898.318654][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.318654][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.318654][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.318654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.318654][ T74] ip6_route_add+0x1c/0x140 [ 1898.318654][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1898.318654][ T74] inet6_addr_add+0x4f8/0xa40 [ 1898.318654][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.318654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.318654][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.318654][ T74] netlink_unicast+0x449/0x710 [ 1898.318654][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.318654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.318654][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.318654][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.318654][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.318654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.318654][ T74] [ 1898.321323][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.321323][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.321323][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.321323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.321323][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1898.321323][ T74] ipv6_add_addr+0x411/0x2000 [ 1898.321323][ T74] inet6_addr_add+0x30e/0xa40 [ 1898.321323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.321323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.321323][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.321323][ T74] netlink_unicast+0x449/0x710 [ 1898.321323][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.321323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.321323][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.321323][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.321323][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.321323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.321323][ T74] [ 1898.323997][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.323997][ T74] netdev_get_by_index+0x5e/0x80 [ 1898.323997][ T74] fib6_nh_init+0x3d8/0x1580 [ 1898.323997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1898.323997][ T74] ip6_route_add+0x1c/0x140 [ 1898.323997][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1898.323997][ T74] addrconf_add_dev+0xe2/0x170 [ 1898.323997][ T74] inet6_addr_add+0x12f/0xa40 [ 1898.323997][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1898.323997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.323997][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.323997][ T74] netlink_unicast+0x449/0x710 [ 1898.323997][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.323997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.323997][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.323997][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.323997][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.323997][ T74] [ 1898.326626][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.326626][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1898.326626][ T74] ipv6_find_idev+0x102/0x170 [ 1898.326626][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.326626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.326626][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.326626][ T74] netlink_unicast+0x449/0x710 [ 1898.326626][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.326626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.326626][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.326626][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.326626][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.326626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.326626][ T74] [ 1898.328675][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1898.328675][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1898.328675][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1898.328675][ T74] ipv6_find_idev+0x102/0x170 [ 1898.328675][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1898.328675][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1898.328675][ T74] netlink_rcv_skb+0x130/0x360 [ 1898.328675][ T74] netlink_unicast+0x449/0x710 [ 1898.328675][ T74] netlink_sendmsg+0x723/0xbe0 [ 1898.328675][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1898.328675][ T74] ___sys_sendmsg+0xee/0x170 [ 1898.328675][ T74] __sys_sendmsg+0xcd/0x170 [ 1898.328675][ T74] do_syscall_64+0xc6/0x1e0 [ 1898.328675][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1898.328675][ T74] [ 1900.064981][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1900.065543][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1900.065543][T16070] dst_init+0x84/0x4a0 [ 1900.065543][T16070] dst_alloc+0x97/0x150 [ 1900.065543][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.065543][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.065543][T16070] ip6_pol_route+0x56f/0x840 [ 1900.065543][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1900.065543][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1900.065543][T16070] fib6_rule_lookup+0x182/0x630 [ 1900.065543][T16070] ip6_route_output_flags+0x259/0x480 [ 1900.065543][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1900.065543][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1900.065543][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1900.065543][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1900.065543][T16070] ip6_datagram_connect+0x2c/0x50 [ 1900.065543][T16070] __sys_connect+0x217/0x2a0 [ 1900.065543][T16070] __x64_sys_connect+0x72/0xb0 [ 1900.065543][T16070] [ 1900.068419][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1900.068419][T16070] dst_init+0x84/0x4a0 [ 1900.068419][T16070] dst_alloc+0x97/0x150 [ 1900.068419][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.068419][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.068419][T16070] ip6_pol_route+0x56f/0x840 [ 1900.068419][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1900.068419][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1900.068419][T16070] fib6_rule_lookup+0x182/0x630 [ 1900.068419][T16070] ip6_route_output_flags+0x259/0x480 [ 1900.068419][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1900.068419][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1900.068419][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1900.068419][T16070] __inet_stream_connect+0x272/0x9f0 [ 1900.068419][T16070] inet_stream_connect+0x57/0xa0 [ 1900.068419][T16070] __sys_connect+0x217/0x2a0 [ 1900.068419][T16070] __x64_sys_connect+0x72/0xb0 [ 1900.068419][T16070] [ 1900.070870][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.070870][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1900.070870][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1900.070870][T16070] fib6_nh_init+0xa22/0x1580 [ 1900.070870][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.070870][T16070] ip6_route_add+0x1c/0x140 [ 1900.070870][T16070] inet6_rtm_newroute+0x104/0x110 [ 1900.070870][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.070870][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.070870][T16070] netlink_unicast+0x449/0x710 [ 1900.070870][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.070870][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.070870][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.070870][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.070870][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.070870][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.070870][T16070] [ 1900.073166][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.073166][T16070] dst_init+0x84/0x4a0 [ 1900.073166][T16070] dst_alloc+0x97/0x150 [ 1900.073166][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.073166][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.073166][T16070] ip6_pol_route+0x56f/0x840 [ 1900.073166][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1900.073166][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1900.073166][T16070] fib6_rule_lookup+0x182/0x630 [ 1900.073166][T16070] ip6_route_input+0x59c/0xa50 [ 1900.073166][T16070] ipv6_rcv+0x397/0x810 [ 1900.073166][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1900.073166][T16070] process_backlog+0x101/0x620 [ 1900.073166][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1900.073166][T16070] net_rx_action+0x495/0xbe0 [ 1900.073166][T16070] __do_softirq+0x1b5/0x7f6 [ 1900.073166][T16070] [ 1900.075423][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.075423][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.075423][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.075423][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.075423][T16070] ip6_route_add+0x1c/0x140 [ 1900.075423][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1900.075423][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1900.075423][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1900.075423][T16070] addrconf_dad_begin+0x310/0x670 [ 1900.075423][T16070] addrconf_dad_work+0x10b/0xab0 [ 1900.075423][T16070] process_one_work+0x84d/0x18a0 [ 1900.075423][T16070] worker_thread+0x587/0xd30 [ 1900.075423][T16070] kthread+0x28a/0x350 [ 1900.075423][T16070] ret_from_fork+0x31/0x70 [ 1900.075423][T16070] ret_from_fork_asm+0x1a/0x30 [ 1900.075423][T16070] [ 1900.077602][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.077602][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.077602][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.077602][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.077602][T16070] ip6_route_add+0x1c/0x140 [ 1900.077602][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1900.077602][T16070] inet6_addr_add+0x4f8/0xa40 [ 1900.077602][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.077602][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.077602][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.077602][T16070] netlink_unicast+0x449/0x710 [ 1900.077602][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.077602][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.077602][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.077602][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.077602][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.077602][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.077602][T16070] [ 1900.080049][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.080049][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.080049][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.080049][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.080049][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1900.080049][T16070] ipv6_add_addr+0x411/0x2000 [ 1900.080049][T16070] inet6_addr_add+0x30e/0xa40 [ 1900.080049][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.080049][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.080049][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.080049][T16070] netlink_unicast+0x449/0x710 [ 1900.080049][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.080049][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.080049][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.080049][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.080049][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.080049][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.080049][T16070] [ 1900.082470][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.082470][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.082470][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.082470][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.082470][T16070] ip6_route_add+0x1c/0x140 [ 1900.082470][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.082470][T16070] addrconf_add_dev+0xe2/0x170 [ 1900.082470][T16070] inet6_addr_add+0x12f/0xa40 [ 1900.082470][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.082470][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.082470][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.082470][T16070] netlink_unicast+0x449/0x710 [ 1900.082470][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.082470][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.082470][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.082470][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.082470][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.082470][T16070] [ 1900.084871][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.084871][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1900.084871][T16070] ipv6_find_idev+0x102/0x170 [ 1900.084871][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.084871][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.084871][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.084871][T16070] netlink_unicast+0x449/0x710 [ 1900.084871][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.084871][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.084871][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.084871][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.084871][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.084871][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.084871][T16070] [ 1900.086738][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1900.086738][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1900.086738][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1900.086738][T16070] ipv6_find_idev+0x102/0x170 [ 1900.086738][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.086738][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.086738][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.086738][T16070] netlink_unicast+0x449/0x710 [ 1900.086738][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.086738][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.086738][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.086738][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.086738][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.086738][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.086738][T16070] [ 1900.088848][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1900.089179][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1900.089179][T16070] dst_init+0x84/0x4a0 [ 1900.089179][T16070] dst_alloc+0x97/0x150 [ 1900.089179][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.089179][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.089179][T16070] ip6_pol_route+0x56f/0x840 [ 1900.089179][T16070] fib6_rule_lookup+0x334/0x630 [ 1900.089179][T16070] ip6_route_output_flags+0x259/0x480 [ 1900.089179][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1900.089179][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1900.089179][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1900.089179][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1900.089179][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1900.089179][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.089179][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.089179][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.089179][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.089179][T16070] [ 1900.091623][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.091623][T16070] dst_init+0x84/0x4a0 [ 1900.091623][T16070] dst_alloc+0x97/0x150 [ 1900.091623][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.091623][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.091623][T16070] ip6_pol_route+0x56f/0x840 [ 1900.091623][T16070] fib6_rule_lookup+0x334/0x630 [ 1900.091623][T16070] ip6_route_output_flags+0x259/0x480 [ 1900.091623][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1900.091623][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1900.091623][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1900.091623][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1900.091623][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1900.091623][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1900.091623][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1900.091623][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1900.091623][T16070] ip6_input_finish+0x120/0x260 [ 1900.091623][T16070] [ 1900.094086][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.094086][T16070] dst_init+0x84/0x4a0 [ 1900.094086][T16070] dst_alloc+0x97/0x150 [ 1900.094086][T16070] ip6_dst_alloc+0x23/0x90 [ 1900.094086][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1900.094086][T16070] ip6_pol_route+0x56f/0x840 [ 1900.094086][T16070] fib6_rule_lookup+0x456/0x630 [ 1900.094086][T16070] ip6_route_input+0x59c/0xa50 [ 1900.094086][T16070] ipv6_rcv+0x397/0x810 [ 1900.094086][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1900.094086][T16070] process_backlog+0x101/0x620 [ 1900.094086][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1900.094086][T16070] net_rx_action+0x495/0xbe0 [ 1900.094086][T16070] __do_softirq+0x1b5/0x7f6 [ 1900.094086][T16070] [ 1900.096067][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.096067][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.096067][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.096067][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.096067][T16070] ip6_route_add+0x1c/0x140 [ 1900.096067][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1900.096067][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1900.096067][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1900.096067][T16070] addrconf_dad_begin+0x310/0x670 [ 1900.096067][T16070] addrconf_dad_work+0x10b/0xab0 [ 1900.096067][T16070] process_one_work+0x84d/0x18a0 [ 1900.096067][T16070] worker_thread+0x587/0xd30 [ 1900.096067][T16070] kthread+0x28a/0x350 [ 1900.096067][T16070] ret_from_fork+0x31/0x70 [ 1900.096067][T16070] ret_from_fork_asm+0x1a/0x30 [ 1900.096067][T16070] [ 1900.098510][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.098510][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.098510][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.098510][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.098510][T16070] ip6_route_add+0x1c/0x140 [ 1900.098510][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1900.098510][T16070] inet6_addr_add+0x4f8/0xa40 [ 1900.098510][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.098510][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.098510][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.098510][T16070] netlink_unicast+0x449/0x710 [ 1900.098510][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.098510][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.098510][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.098510][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.098510][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.098510][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.098510][T16070] [ 1900.101333][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.101333][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.101333][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.101333][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.101333][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1900.101333][T16070] ipv6_add_addr+0x411/0x2000 [ 1900.101333][T16070] inet6_addr_add+0x30e/0xa40 [ 1900.101333][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.101333][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.101333][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.101333][T16070] netlink_unicast+0x449/0x710 [ 1900.101333][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.101333][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.101333][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.101333][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.101333][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.101333][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.101333][T16070] [ 1900.104073][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.104073][T16070] netdev_get_by_index+0x5e/0x80 [ 1900.104073][T16070] fib6_nh_init+0x3d8/0x1580 [ 1900.104073][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1900.104073][T16070] ip6_route_add+0x1c/0x140 [ 1900.104073][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1900.104073][T16070] addrconf_add_dev+0xe2/0x170 [ 1900.104073][T16070] inet6_addr_add+0x12f/0xa40 [ 1900.104073][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1900.104073][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.104073][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.104073][T16070] netlink_unicast+0x449/0x710 [ 1900.104073][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.104073][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.104073][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.104073][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.104073][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.104073][T16070] [ 1900.106770][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.106770][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1900.106770][T16070] ipv6_find_idev+0x102/0x170 [ 1900.106770][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.106770][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.106770][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.106770][T16070] netlink_unicast+0x449/0x710 [ 1900.106770][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.106770][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.106770][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.106770][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.106770][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.106770][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.106770][T16070] [ 1900.108867][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1900.108867][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1900.108867][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1900.108867][T16070] ipv6_find_idev+0x102/0x170 [ 1900.108867][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1900.108867][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1900.108867][T16070] netlink_rcv_skb+0x130/0x360 [ 1900.108867][T16070] netlink_unicast+0x449/0x710 [ 1900.108867][T16070] netlink_sendmsg+0x723/0xbe0 [ 1900.108867][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1900.108867][T16070] ___sys_sendmsg+0xee/0x170 [ 1900.108867][T16070] __sys_sendmsg+0xcd/0x170 [ 1900.108867][T16070] do_syscall_64+0xc6/0x1e0 [ 1900.108867][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1900.108867][T16070] [ 1908.568929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1908.569356][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.569356][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.569356][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.569356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.569356][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1908.569356][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.569356][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1908.569356][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.569356][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1908.569356][ T74] addrconf_dad_begin+0x310/0x670 [ 1908.569356][ T74] addrconf_dad_work+0x10b/0xab0 [ 1908.569356][ T74] process_one_work+0x84d/0x18a0 [ 1908.569356][ T74] worker_thread+0x587/0xd30 [ 1908.569356][ T74] kthread+0x28a/0x350 [ 1908.569356][ T74] ret_from_fork+0x31/0x70 [ 1908.569356][ T74] ret_from_fork_asm+0x1a/0x30 [ 1908.569356][ T74] [ 1908.571713][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.571713][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.571713][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.571713][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.571713][ T74] ip6_route_add+0x1c/0x140 [ 1908.571713][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1908.571713][ T74] inet6_addr_add+0x4f8/0xa40 [ 1908.571713][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.571713][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.571713][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.571713][ T74] netlink_unicast+0x449/0x710 [ 1908.571713][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.571713][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.571713][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.571713][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.571713][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.571713][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.571713][ T74] [ 1908.574140][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.574140][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.574140][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.574140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.574140][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1908.574140][ T74] ipv6_add_addr+0x411/0x2000 [ 1908.574140][ T74] inet6_addr_add+0x30e/0xa40 [ 1908.574140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.574140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.574140][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.574140][ T74] netlink_unicast+0x449/0x710 [ 1908.574140][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.574140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.574140][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.574140][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.574140][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.574140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.574140][ T74] [ 1908.576570][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.576570][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.576570][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.576570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.576570][ T74] ip6_route_add+0x1c/0x140 [ 1908.576570][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.576570][ T74] addrconf_add_dev+0xe2/0x170 [ 1908.576570][ T74] inet6_addr_add+0x12f/0xa40 [ 1908.576570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.576570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.576570][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.576570][ T74] netlink_unicast+0x449/0x710 [ 1908.576570][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.576570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.576570][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.576570][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.576570][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.576570][ T74] [ 1908.578933][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.578933][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1908.578933][ T74] ipv6_find_idev+0x102/0x170 [ 1908.578933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.578933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.578933][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.578933][ T74] netlink_unicast+0x449/0x710 [ 1908.578933][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.578933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.578933][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.578933][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.578933][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.578933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.578933][ T74] [ 1908.580797][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1908.580797][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1908.580797][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1908.580797][ T74] ipv6_find_idev+0x102/0x170 [ 1908.580797][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.580797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.580797][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.580797][ T74] netlink_unicast+0x449/0x710 [ 1908.580797][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.580797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.580797][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.580797][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.580797][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.580797][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.580797][ T74] [ 1908.582844][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1908.583135][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.583135][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.583135][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.583135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.583135][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1908.583135][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.583135][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1908.583135][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.583135][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1908.583135][ T74] addrconf_dad_begin+0x310/0x670 [ 1908.583135][ T74] addrconf_dad_work+0x10b/0xab0 [ 1908.583135][ T74] process_one_work+0x84d/0x18a0 [ 1908.583135][ T74] worker_thread+0x587/0xd30 [ 1908.583135][ T74] kthread+0x28a/0x350 [ 1908.583135][ T74] ret_from_fork+0x31/0x70 [ 1908.583135][ T74] ret_from_fork_asm+0x1a/0x30 [ 1908.583135][ T74] [ 1908.585448][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.585448][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.585448][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.585448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.585448][ T74] ip6_route_add+0x1c/0x140 [ 1908.585448][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1908.585448][ T74] inet6_addr_add+0x4f8/0xa40 [ 1908.585448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.585448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.585448][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.585448][ T74] netlink_unicast+0x449/0x710 [ 1908.585448][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.585448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.585448][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.585448][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.585448][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.585448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.585448][ T74] [ 1908.587858][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.587858][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.587858][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.587858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.587858][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1908.587858][ T74] ipv6_add_addr+0x411/0x2000 [ 1908.587858][ T74] inet6_addr_add+0x30e/0xa40 [ 1908.587858][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.587858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.587858][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.587858][ T74] netlink_unicast+0x449/0x710 [ 1908.587858][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.587858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.587858][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.587858][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.587858][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.587858][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.587858][ T74] [ 1908.590270][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.590270][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.590270][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.590270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.590270][ T74] ip6_route_add+0x1c/0x140 [ 1908.590270][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.590270][ T74] addrconf_add_dev+0xe2/0x170 [ 1908.590270][ T74] inet6_addr_add+0x12f/0xa40 [ 1908.590270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.590270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.590270][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.590270][ T74] netlink_unicast+0x449/0x710 [ 1908.590270][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.590270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.590270][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.590270][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.590270][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.590270][ T74] [ 1908.592665][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.592665][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1908.592665][ T74] ipv6_find_idev+0x102/0x170 [ 1908.592665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.592665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.592665][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.592665][ T74] netlink_unicast+0x449/0x710 [ 1908.592665][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.592665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.592665][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.592665][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.592665][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.592665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.592665][ T74] [ 1908.594532][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1908.594532][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1908.594532][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1908.594532][ T74] ipv6_find_idev+0x102/0x170 [ 1908.594532][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.594532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.594532][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.594532][ T74] netlink_unicast+0x449/0x710 [ 1908.594532][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.594532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.594532][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.594532][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.594532][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.594532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.594532][ T74] [ 1908.596573][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1908.596861][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.596861][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.596861][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.596861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.596861][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1908.596861][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.596861][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1908.596861][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.596861][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1908.596861][ T74] addrconf_dad_begin+0x310/0x670 [ 1908.596861][ T74] addrconf_dad_work+0x10b/0xab0 [ 1908.596861][ T74] process_one_work+0x84d/0x18a0 [ 1908.596861][ T74] worker_thread+0x587/0xd30 [ 1908.596861][ T74] kthread+0x28a/0x350 [ 1908.596861][ T74] ret_from_fork+0x31/0x70 [ 1908.596861][ T74] ret_from_fork_asm+0x1a/0x30 [ 1908.596861][ T74] [ 1908.599179][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.599179][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.599179][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.599179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.599179][ T74] ip6_route_add+0x1c/0x140 [ 1908.599179][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1908.599179][ T74] inet6_addr_add+0x4f8/0xa40 [ 1908.599179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.599179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.599179][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.599179][ T74] netlink_unicast+0x449/0x710 [ 1908.599179][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.599179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.599179][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.599179][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.599179][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.599179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.599179][ T74] [ 1908.601783][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.601783][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.601783][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.601783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.601783][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1908.601783][ T74] ipv6_add_addr+0x411/0x2000 [ 1908.601783][ T74] inet6_addr_add+0x30e/0xa40 [ 1908.601783][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.601783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.601783][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.601783][ T74] netlink_unicast+0x449/0x710 [ 1908.601783][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.601783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.601783][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.601783][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.601783][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.601783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.601783][ T74] [ 1908.604460][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.604460][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.604460][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.604460][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.604460][ T74] ip6_route_add+0x1c/0x140 [ 1908.604460][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.604460][ T74] addrconf_add_dev+0xe2/0x170 [ 1908.604460][ T74] inet6_addr_add+0x12f/0xa40 [ 1908.604460][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.604460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.604460][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.604460][ T74] netlink_unicast+0x449/0x710 [ 1908.604460][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.604460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.604460][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.604460][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.604460][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.604460][ T74] [ 1908.607021][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.607021][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1908.607021][ T74] ipv6_find_idev+0x102/0x170 [ 1908.607021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.607021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.607021][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.607021][ T74] netlink_unicast+0x449/0x710 [ 1908.607021][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.607021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.607021][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.607021][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.607021][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.607021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.607021][ T74] [ 1908.609058][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1908.609058][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1908.609058][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1908.609058][ T74] ipv6_find_idev+0x102/0x170 [ 1908.609058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.609058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.609058][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.609058][ T74] netlink_unicast+0x449/0x710 [ 1908.609058][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.609058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.609058][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.609058][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.609058][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.609058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.609058][ T74] [ 1908.611325][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1908.611606][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.611606][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.611606][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.611606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.611606][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1908.611606][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1908.611606][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1908.611606][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1908.611606][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1908.611606][ T74] addrconf_dad_begin+0x310/0x670 [ 1908.611606][ T74] addrconf_dad_work+0x10b/0xab0 [ 1908.611606][ T74] process_one_work+0x84d/0x18a0 [ 1908.611606][ T74] worker_thread+0x587/0xd30 [ 1908.611606][ T74] kthread+0x28a/0x350 [ 1908.611606][ T74] ret_from_fork+0x31/0x70 [ 1908.611606][ T74] ret_from_fork_asm+0x1a/0x30 [ 1908.611606][ T74] [ 1908.614243][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.614243][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.614243][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.614243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.614243][ T74] ip6_route_add+0x1c/0x140 [ 1908.614243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1908.614243][ T74] inet6_addr_add+0x4f8/0xa40 [ 1908.614243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.614243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.614243][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.614243][ T74] netlink_unicast+0x449/0x710 [ 1908.614243][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.614243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.614243][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.614243][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.614243][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.614243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.614243][ T74] [ 1908.616850][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.616850][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.616850][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.616850][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.616850][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1908.616850][ T74] ipv6_add_addr+0x411/0x2000 [ 1908.616850][ T74] inet6_addr_add+0x30e/0xa40 [ 1908.616850][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.616850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.616850][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.616850][ T74] netlink_unicast+0x449/0x710 [ 1908.616850][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.616850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.616850][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.616850][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.616850][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.616850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.616850][ T74] [ 1908.619523][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.619523][ T74] netdev_get_by_index+0x5e/0x80 [ 1908.619523][ T74] fib6_nh_init+0x3d8/0x1580 [ 1908.619523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1908.619523][ T74] ip6_route_add+0x1c/0x140 [ 1908.619523][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1908.619523][ T74] addrconf_add_dev+0xe2/0x170 [ 1908.619523][ T74] inet6_addr_add+0x12f/0xa40 [ 1908.619523][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1908.619523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.619523][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.619523][ T74] netlink_unicast+0x449/0x710 [ 1908.619523][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.619523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.619523][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.619523][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.619523][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.619523][ T74] [ 1908.622136][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.622136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1908.622136][ T74] ipv6_find_idev+0x102/0x170 [ 1908.622136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.622136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.622136][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.622136][ T74] netlink_unicast+0x449/0x710 [ 1908.622136][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.622136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.622136][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.622136][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.622136][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.622136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.622136][ T74] [ 1908.624267][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1908.624267][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1908.624267][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1908.624267][ T74] ipv6_find_idev+0x102/0x170 [ 1908.624267][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1908.624267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1908.624267][ T74] netlink_rcv_skb+0x130/0x360 [ 1908.624267][ T74] netlink_unicast+0x449/0x710 [ 1908.624267][ T74] netlink_sendmsg+0x723/0xbe0 [ 1908.624267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1908.624267][ T74] ___sys_sendmsg+0xee/0x170 [ 1908.624267][ T74] __sys_sendmsg+0xcd/0x170 [ 1908.624267][ T74] do_syscall_64+0xc6/0x1e0 [ 1908.624267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1908.624267][ T74] [ 1910.120919][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1910.121342][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1910.121342][T16070] dst_init+0x84/0x4a0 [ 1910.121342][T16070] dst_alloc+0x97/0x150 [ 1910.121342][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.121342][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.121342][T16070] ip6_pol_route+0x56f/0x840 [ 1910.121342][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1910.121342][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1910.121342][T16070] fib6_rule_lookup+0x182/0x630 [ 1910.121342][T16070] ip6_route_output_flags+0x259/0x480 [ 1910.121342][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1910.121342][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1910.121342][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1910.121342][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1910.121342][T16070] ip6_datagram_connect+0x2c/0x50 [ 1910.121342][T16070] __sys_connect+0x217/0x2a0 [ 1910.121342][T16070] __x64_sys_connect+0x72/0xb0 [ 1910.121342][T16070] [ 1910.123857][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1910.123857][T16070] dst_init+0x84/0x4a0 [ 1910.123857][T16070] dst_alloc+0x97/0x150 [ 1910.123857][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.123857][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.123857][T16070] ip6_pol_route+0x56f/0x840 [ 1910.123857][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1910.123857][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1910.123857][T16070] fib6_rule_lookup+0x182/0x630 [ 1910.123857][T16070] ip6_route_output_flags+0x259/0x480 [ 1910.123857][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1910.123857][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1910.123857][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1910.123857][T16070] __inet_stream_connect+0x272/0x9f0 [ 1910.123857][T16070] inet_stream_connect+0x57/0xa0 [ 1910.123857][T16070] __sys_connect+0x217/0x2a0 [ 1910.123857][T16070] __x64_sys_connect+0x72/0xb0 [ 1910.123857][T16070] [ 1910.126294][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.126294][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1910.126294][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1910.126294][T16070] fib6_nh_init+0xa22/0x1580 [ 1910.126294][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.126294][T16070] ip6_route_add+0x1c/0x140 [ 1910.126294][T16070] inet6_rtm_newroute+0x104/0x110 [ 1910.126294][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.126294][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.126294][T16070] netlink_unicast+0x449/0x710 [ 1910.126294][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.126294][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.126294][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.126294][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.126294][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.126294][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.126294][T16070] [ 1910.128568][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.128568][T16070] dst_init+0x84/0x4a0 [ 1910.128568][T16070] dst_alloc+0x97/0x150 [ 1910.128568][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.128568][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.128568][T16070] ip6_pol_route+0x56f/0x840 [ 1910.128568][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1910.128568][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1910.128568][T16070] fib6_rule_lookup+0x182/0x630 [ 1910.128568][T16070] ip6_route_input+0x59c/0xa50 [ 1910.128568][T16070] ipv6_rcv+0x397/0x810 [ 1910.128568][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1910.128568][T16070] process_backlog+0x101/0x620 [ 1910.128568][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1910.128568][T16070] net_rx_action+0x495/0xbe0 [ 1910.128568][T16070] __do_softirq+0x1b5/0x7f6 [ 1910.128568][T16070] [ 1910.130819][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.130819][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.130819][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.130819][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.130819][T16070] ip6_route_add+0x1c/0x140 [ 1910.130819][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1910.130819][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1910.130819][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1910.130819][T16070] addrconf_dad_begin+0x310/0x670 [ 1910.130819][T16070] addrconf_dad_work+0x10b/0xab0 [ 1910.130819][T16070] process_one_work+0x84d/0x18a0 [ 1910.130819][T16070] worker_thread+0x587/0xd30 [ 1910.130819][T16070] kthread+0x28a/0x350 [ 1910.130819][T16070] ret_from_fork+0x31/0x70 [ 1910.130819][T16070] ret_from_fork_asm+0x1a/0x30 [ 1910.130819][T16070] [ 1910.132994][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.132994][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.132994][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.132994][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.132994][T16070] ip6_route_add+0x1c/0x140 [ 1910.132994][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1910.132994][T16070] inet6_addr_add+0x4f8/0xa40 [ 1910.132994][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.132994][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.132994][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.132994][T16070] netlink_unicast+0x449/0x710 [ 1910.132994][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.132994][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.132994][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.132994][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.132994][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.132994][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.132994][T16070] [ 1910.135418][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.135418][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.135418][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.135418][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.135418][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1910.135418][T16070] ipv6_add_addr+0x411/0x2000 [ 1910.135418][T16070] inet6_addr_add+0x30e/0xa40 [ 1910.135418][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.135418][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.135418][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.135418][T16070] netlink_unicast+0x449/0x710 [ 1910.135418][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.135418][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.135418][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.135418][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.135418][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.135418][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.135418][T16070] [ 1910.137832][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.137832][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.137832][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.137832][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.137832][T16070] ip6_route_add+0x1c/0x140 [ 1910.137832][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.137832][T16070] addrconf_add_dev+0xe2/0x170 [ 1910.137832][T16070] inet6_addr_add+0x12f/0xa40 [ 1910.137832][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.137832][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.137832][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.137832][T16070] netlink_unicast+0x449/0x710 [ 1910.137832][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.137832][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.137832][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.137832][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.137832][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.137832][T16070] [ 1910.140213][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.140213][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1910.140213][T16070] ipv6_find_idev+0x102/0x170 [ 1910.140213][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.140213][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.140213][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.140213][T16070] netlink_unicast+0x449/0x710 [ 1910.140213][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.140213][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.140213][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.140213][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.140213][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.140213][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.140213][T16070] [ 1910.142082][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1910.142082][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1910.142082][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1910.142082][T16070] ipv6_find_idev+0x102/0x170 [ 1910.142082][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.142082][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.142082][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.142082][T16070] netlink_unicast+0x449/0x710 [ 1910.142082][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.142082][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.142082][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.142082][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.142082][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.142082][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.142082][T16070] [ 1910.144137][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1910.144477][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1910.144477][T16070] dst_init+0x84/0x4a0 [ 1910.144477][T16070] dst_alloc+0x97/0x150 [ 1910.144477][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.144477][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.144477][T16070] ip6_pol_route+0x56f/0x840 [ 1910.144477][T16070] fib6_rule_lookup+0x334/0x630 [ 1910.144477][T16070] ip6_route_output_flags+0x259/0x480 [ 1910.144477][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1910.144477][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1910.144477][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1910.144477][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1910.144477][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1910.144477][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.144477][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.144477][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.144477][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.144477][T16070] [ 1910.147199][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.147199][T16070] dst_init+0x84/0x4a0 [ 1910.147199][T16070] dst_alloc+0x97/0x150 [ 1910.147199][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.147199][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.147199][T16070] ip6_pol_route+0x56f/0x840 [ 1910.147199][T16070] fib6_rule_lookup+0x334/0x630 [ 1910.147199][T16070] ip6_route_output_flags+0x259/0x480 [ 1910.147199][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1910.147199][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1910.147199][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1910.147199][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1910.147199][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1910.147199][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1910.147199][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1910.147199][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1910.147199][T16070] ip6_input_finish+0x120/0x260 [ 1910.147199][T16070] [ 1910.149654][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.149654][T16070] dst_init+0x84/0x4a0 [ 1910.149654][T16070] dst_alloc+0x97/0x150 [ 1910.149654][T16070] ip6_dst_alloc+0x23/0x90 [ 1910.149654][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1910.149654][T16070] ip6_pol_route+0x56f/0x840 [ 1910.149654][T16070] fib6_rule_lookup+0x456/0x630 [ 1910.149654][T16070] ip6_route_input+0x59c/0xa50 [ 1910.149654][T16070] ipv6_rcv+0x397/0x810 [ 1910.149654][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1910.149654][T16070] process_backlog+0x101/0x620 [ 1910.149654][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1910.149654][T16070] net_rx_action+0x495/0xbe0 [ 1910.149654][T16070] __do_softirq+0x1b5/0x7f6 [ 1910.149654][T16070] [ 1910.151634][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.151634][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.151634][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.151634][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.151634][T16070] ip6_route_add+0x1c/0x140 [ 1910.151634][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1910.151634][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1910.151634][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1910.151634][T16070] addrconf_dad_begin+0x310/0x670 [ 1910.151634][T16070] addrconf_dad_work+0x10b/0xab0 [ 1910.151634][T16070] process_one_work+0x84d/0x18a0 [ 1910.151634][T16070] worker_thread+0x587/0xd30 [ 1910.151634][T16070] kthread+0x28a/0x350 [ 1910.151634][T16070] ret_from_fork+0x31/0x70 [ 1910.151634][T16070] ret_from_fork_asm+0x1a/0x30 [ 1910.151634][T16070] [ 1910.153812][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.153812][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.153812][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.153812][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.153812][T16070] ip6_route_add+0x1c/0x140 [ 1910.153812][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1910.153812][T16070] inet6_addr_add+0x4f8/0xa40 [ 1910.153812][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.153812][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.153812][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.153812][T16070] netlink_unicast+0x449/0x710 [ 1910.153812][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.153812][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.153812][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.153812][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.153812][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.153812][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.153812][T16070] [ 1910.156237][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.156237][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.156237][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.156237][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.156237][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1910.156237][T16070] ipv6_add_addr+0x411/0x2000 [ 1910.156237][T16070] inet6_addr_add+0x30e/0xa40 [ 1910.156237][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.156237][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.156237][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.156237][T16070] netlink_unicast+0x449/0x710 [ 1910.156237][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.156237][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.156237][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.156237][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.156237][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.156237][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.156237][T16070] [ 1910.158669][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.158669][T16070] netdev_get_by_index+0x5e/0x80 [ 1910.158669][T16070] fib6_nh_init+0x3d8/0x1580 [ 1910.158669][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1910.158669][T16070] ip6_route_add+0x1c/0x140 [ 1910.158669][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1910.158669][T16070] addrconf_add_dev+0xe2/0x170 [ 1910.158669][T16070] inet6_addr_add+0x12f/0xa40 [ 1910.158669][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1910.158669][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.158669][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.158669][T16070] netlink_unicast+0x449/0x710 [ 1910.158669][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.158669][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.158669][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.158669][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.158669][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.158669][T16070] [ 1910.161051][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.161051][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1910.161051][T16070] ipv6_find_idev+0x102/0x170 [ 1910.161051][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.161051][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.161051][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.161051][T16070] netlink_unicast+0x449/0x710 [ 1910.161051][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.161051][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.161051][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.161051][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.161051][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.161051][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.161051][T16070] [ 1910.162926][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1910.162926][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1910.162926][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1910.162926][T16070] ipv6_find_idev+0x102/0x170 [ 1910.162926][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1910.162926][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1910.162926][T16070] netlink_rcv_skb+0x130/0x360 [ 1910.162926][T16070] netlink_unicast+0x449/0x710 [ 1910.162926][T16070] netlink_sendmsg+0x723/0xbe0 [ 1910.162926][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1910.162926][T16070] ___sys_sendmsg+0xee/0x170 [ 1910.162926][T16070] __sys_sendmsg+0xcd/0x170 [ 1910.162926][T16070] do_syscall_64+0xc6/0x1e0 [ 1910.162926][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1910.162926][T16070] [ 1918.864876][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1918.865288][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.865288][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.865288][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.865288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.865288][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1918.865288][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1918.865288][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1918.865288][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1918.865288][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1918.865288][ T74] addrconf_dad_begin+0x310/0x670 [ 1918.865288][ T74] addrconf_dad_work+0x10b/0xab0 [ 1918.865288][ T74] process_one_work+0x84d/0x18a0 [ 1918.865288][ T74] worker_thread+0x587/0xd30 [ 1918.865288][ T74] kthread+0x28a/0x350 [ 1918.865288][ T74] ret_from_fork+0x31/0x70 [ 1918.865288][ T74] ret_from_fork_asm+0x1a/0x30 [ 1918.865288][ T74] [ 1918.867629][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.867629][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.867629][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.867629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.867629][ T74] ip6_route_add+0x1c/0x140 [ 1918.867629][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1918.867629][ T74] inet6_addr_add+0x4f8/0xa40 [ 1918.867629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.867629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.867629][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.867629][ T74] netlink_unicast+0x449/0x710 [ 1918.867629][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.867629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.867629][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.867629][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.867629][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.867629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.867629][ T74] [ 1918.870048][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.870048][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.870048][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.870048][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.870048][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1918.870048][ T74] ipv6_add_addr+0x411/0x2000 [ 1918.870048][ T74] inet6_addr_add+0x30e/0xa40 [ 1918.870048][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.870048][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.870048][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.870048][ T74] netlink_unicast+0x449/0x710 [ 1918.870048][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.870048][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.870048][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.870048][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.870048][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.870048][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.870048][ T74] [ 1918.872466][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.872466][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.872466][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.872466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.872466][ T74] ip6_route_add+0x1c/0x140 [ 1918.872466][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1918.872466][ T74] addrconf_add_dev+0xe2/0x170 [ 1918.872466][ T74] inet6_addr_add+0x12f/0xa40 [ 1918.872466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.872466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.872466][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.872466][ T74] netlink_unicast+0x449/0x710 [ 1918.872466][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.872466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.872466][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.872466][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.872466][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.872466][ T74] [ 1918.874852][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.874852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1918.874852][ T74] ipv6_find_idev+0x102/0x170 [ 1918.874852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.874852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.874852][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.874852][ T74] netlink_unicast+0x449/0x710 [ 1918.874852][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.874852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.874852][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.874852][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.874852][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.874852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.874852][ T74] [ 1918.876709][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1918.876709][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1918.876709][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1918.876709][ T74] ipv6_find_idev+0x102/0x170 [ 1918.876709][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.876709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.876709][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.876709][ T74] netlink_unicast+0x449/0x710 [ 1918.876709][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.876709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.876709][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.876709][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.876709][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.876709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.876709][ T74] [ 1918.878760][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1918.879059][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.879059][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.879059][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.879059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.879059][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1918.879059][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1918.879059][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1918.879059][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1918.879059][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1918.879059][ T74] addrconf_dad_begin+0x310/0x670 [ 1918.879059][ T74] addrconf_dad_work+0x10b/0xab0 [ 1918.879059][ T74] process_one_work+0x84d/0x18a0 [ 1918.879059][ T74] worker_thread+0x587/0xd30 [ 1918.879059][ T74] kthread+0x28a/0x350 [ 1918.879059][ T74] ret_from_fork+0x31/0x70 [ 1918.879059][ T74] ret_from_fork_asm+0x1a/0x30 [ 1918.879059][ T74] [ 1918.881386][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.881386][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.881386][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.881386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.881386][ T74] ip6_route_add+0x1c/0x140 [ 1918.881386][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1918.881386][ T74] inet6_addr_add+0x4f8/0xa40 [ 1918.881386][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.881386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.881386][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.881386][ T74] netlink_unicast+0x449/0x710 [ 1918.881386][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.881386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.881386][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.881386][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.881386][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.881386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.881386][ T74] [ 1918.883854][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.883854][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.883854][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.883854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.883854][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1918.883854][ T74] ipv6_add_addr+0x411/0x2000 [ 1918.883854][ T74] inet6_addr_add+0x30e/0xa40 [ 1918.883854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.883854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.883854][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.883854][ T74] netlink_unicast+0x449/0x710 [ 1918.883854][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.883854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.883854][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.883854][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.883854][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.883854][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.883854][ T74] [ 1918.886262][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.886262][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.886262][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.886262][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.886262][ T74] ip6_route_add+0x1c/0x140 [ 1918.886262][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1918.886262][ T74] addrconf_add_dev+0xe2/0x170 [ 1918.886262][ T74] inet6_addr_add+0x12f/0xa40 [ 1918.886262][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.886262][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.886262][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.886262][ T74] netlink_unicast+0x449/0x710 [ 1918.886262][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.886262][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.886262][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.886262][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.886262][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.886262][ T74] [ 1918.888639][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.888639][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1918.888639][ T74] ipv6_find_idev+0x102/0x170 [ 1918.888639][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.888639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.888639][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.888639][ T74] netlink_unicast+0x449/0x710 [ 1918.888639][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.888639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.888639][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.888639][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.888639][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.888639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.888639][ T74] [ 1918.890518][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1918.890518][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1918.890518][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1918.890518][ T74] ipv6_find_idev+0x102/0x170 [ 1918.890518][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.890518][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.890518][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.890518][ T74] netlink_unicast+0x449/0x710 [ 1918.890518][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.890518][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.890518][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.890518][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.890518][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.890518][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.890518][ T74] [ 1918.892564][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1918.892860][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.892860][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.892860][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.892860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.892860][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1918.892860][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1918.892860][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1918.892860][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1918.892860][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1918.892860][ T74] addrconf_dad_begin+0x310/0x670 [ 1918.892860][ T74] addrconf_dad_work+0x10b/0xab0 [ 1918.892860][ T74] process_one_work+0x84d/0x18a0 [ 1918.892860][ T74] worker_thread+0x587/0xd30 [ 1918.892860][ T74] kthread+0x28a/0x350 [ 1918.892860][ T74] ret_from_fork+0x31/0x70 [ 1918.892860][ T74] ret_from_fork_asm+0x1a/0x30 [ 1918.892860][ T74] [ 1918.895178][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.895178][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.895178][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.895178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.895178][ T74] ip6_route_add+0x1c/0x140 [ 1918.895178][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1918.895178][ T74] inet6_addr_add+0x4f8/0xa40 [ 1918.895178][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.895178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.895178][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.895178][ T74] netlink_unicast+0x449/0x710 [ 1918.895178][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.895178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.895178][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.895178][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.895178][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.895178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.895178][ T74] [ 1918.897611][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.897611][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.897611][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.897611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.897611][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1918.897611][ T74] ipv6_add_addr+0x411/0x2000 [ 1918.897611][ T74] inet6_addr_add+0x30e/0xa40 [ 1918.897611][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.897611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.897611][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.897611][ T74] netlink_unicast+0x449/0x710 [ 1918.897611][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.897611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.897611][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.897611][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.897611][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.897611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.897611][ T74] [ 1918.900033][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.900033][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.900033][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.900033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.900033][ T74] ip6_route_add+0x1c/0x140 [ 1918.900033][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1918.900033][ T74] addrconf_add_dev+0xe2/0x170 [ 1918.900033][ T74] inet6_addr_add+0x12f/0xa40 [ 1918.900033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.900033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.900033][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.900033][ T74] netlink_unicast+0x449/0x710 [ 1918.900033][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.900033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.900033][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.900033][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.900033][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.900033][ T74] [ 1918.902424][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.902424][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1918.902424][ T74] ipv6_find_idev+0x102/0x170 [ 1918.902424][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.902424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.902424][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.902424][ T74] netlink_unicast+0x449/0x710 [ 1918.902424][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.902424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.902424][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.902424][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.902424][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.902424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.902424][ T74] [ 1918.904287][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1918.904287][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1918.904287][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1918.904287][ T74] ipv6_find_idev+0x102/0x170 [ 1918.904287][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.904287][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.904287][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.904287][ T74] netlink_unicast+0x449/0x710 [ 1918.904287][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.904287][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.904287][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.904287][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.904287][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.904287][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.904287][ T74] [ 1918.906310][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1918.906598][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.906598][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.906598][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.906598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.906598][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1918.906598][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1918.906598][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1918.906598][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1918.906598][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1918.906598][ T74] addrconf_dad_begin+0x310/0x670 [ 1918.906598][ T74] addrconf_dad_work+0x10b/0xab0 [ 1918.906598][ T74] process_one_work+0x84d/0x18a0 [ 1918.906598][ T74] worker_thread+0x587/0xd30 [ 1918.906598][ T74] kthread+0x28a/0x350 [ 1918.906598][ T74] ret_from_fork+0x31/0x70 [ 1918.906598][ T74] ret_from_fork_asm+0x1a/0x30 [ 1918.906598][ T74] [ 1918.908887][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.908887][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.908887][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.908887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.908887][ T74] ip6_route_add+0x1c/0x140 [ 1918.908887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1918.908887][ T74] inet6_addr_add+0x4f8/0xa40 [ 1918.908887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.908887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.908887][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.908887][ T74] netlink_unicast+0x449/0x710 [ 1918.908887][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.908887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.908887][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.908887][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.908887][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.908887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.908887][ T74] [ 1918.911330][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.911330][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.911330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.911330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.911330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1918.911330][ T74] ipv6_add_addr+0x411/0x2000 [ 1918.911330][ T74] inet6_addr_add+0x30e/0xa40 [ 1918.911330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.911330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.911330][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.911330][ T74] netlink_unicast+0x449/0x710 [ 1918.911330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.911330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.911330][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.911330][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.911330][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.911330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.911330][ T74] [ 1918.913780][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.913780][ T74] netdev_get_by_index+0x5e/0x80 [ 1918.913780][ T74] fib6_nh_init+0x3d8/0x1580 [ 1918.913780][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1918.913780][ T74] ip6_route_add+0x1c/0x140 [ 1918.913780][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1918.913780][ T74] addrconf_add_dev+0xe2/0x170 [ 1918.913780][ T74] inet6_addr_add+0x12f/0xa40 [ 1918.913780][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1918.913780][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.913780][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.913780][ T74] netlink_unicast+0x449/0x710 [ 1918.913780][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.913780][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.913780][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.913780][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.913780][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.913780][ T74] [ 1918.916248][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.916248][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1918.916248][ T74] ipv6_find_idev+0x102/0x170 [ 1918.916248][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.916248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.916248][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.916248][ T74] netlink_unicast+0x449/0x710 [ 1918.916248][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.916248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.916248][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.916248][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.916248][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.916248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.916248][ T74] [ 1918.918182][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1918.918182][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1918.918182][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1918.918182][ T74] ipv6_find_idev+0x102/0x170 [ 1918.918182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1918.918182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1918.918182][ T74] netlink_rcv_skb+0x130/0x360 [ 1918.918182][ T74] netlink_unicast+0x449/0x710 [ 1918.918182][ T74] netlink_sendmsg+0x723/0xbe0 [ 1918.918182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1918.918182][ T74] ___sys_sendmsg+0xee/0x170 [ 1918.918182][ T74] __sys_sendmsg+0xcd/0x170 [ 1918.918182][ T74] do_syscall_64+0xc6/0x1e0 [ 1918.918182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1918.918182][ T74] [ 1920.400952][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1920.401461][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1920.401461][T16070] dst_init+0x84/0x4a0 [ 1920.401461][T16070] dst_alloc+0x97/0x150 [ 1920.401461][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.401461][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.401461][T16070] ip6_pol_route+0x56f/0x840 [ 1920.401461][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1920.401461][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1920.401461][T16070] fib6_rule_lookup+0x182/0x630 [ 1920.401461][T16070] ip6_route_output_flags+0x259/0x480 [ 1920.401461][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1920.401461][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1920.401461][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1920.401461][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1920.401461][T16070] ip6_datagram_connect+0x2c/0x50 [ 1920.401461][T16070] __sys_connect+0x217/0x2a0 [ 1920.401461][T16070] __x64_sys_connect+0x72/0xb0 [ 1920.401461][T16070] [ 1920.403782][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1920.403782][T16070] dst_init+0x84/0x4a0 [ 1920.403782][T16070] dst_alloc+0x97/0x150 [ 1920.403782][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.403782][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.403782][T16070] ip6_pol_route+0x56f/0x840 [ 1920.403782][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1920.403782][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1920.403782][T16070] fib6_rule_lookup+0x182/0x630 [ 1920.403782][T16070] ip6_route_output_flags+0x259/0x480 [ 1920.403782][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1920.403782][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1920.403782][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1920.403782][T16070] __inet_stream_connect+0x272/0x9f0 [ 1920.403782][T16070] inet_stream_connect+0x57/0xa0 [ 1920.403782][T16070] __sys_connect+0x217/0x2a0 [ 1920.403782][T16070] __x64_sys_connect+0x72/0xb0 [ 1920.403782][T16070] [ 1920.406065][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.406065][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1920.406065][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1920.406065][T16070] fib6_nh_init+0xa22/0x1580 [ 1920.406065][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.406065][T16070] ip6_route_add+0x1c/0x140 [ 1920.406065][T16070] inet6_rtm_newroute+0x104/0x110 [ 1920.406065][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.406065][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.406065][T16070] netlink_unicast+0x449/0x710 [ 1920.406065][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.406065][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.406065][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.406065][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.406065][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.406065][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.406065][T16070] [ 1920.408184][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.408184][T16070] dst_init+0x84/0x4a0 [ 1920.408184][T16070] dst_alloc+0x97/0x150 [ 1920.408184][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.408184][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.408184][T16070] ip6_pol_route+0x56f/0x840 [ 1920.408184][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1920.408184][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1920.408184][T16070] fib6_rule_lookup+0x182/0x630 [ 1920.408184][T16070] ip6_route_input+0x59c/0xa50 [ 1920.408184][T16070] ipv6_rcv+0x397/0x810 [ 1920.408184][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.408184][T16070] process_backlog+0x101/0x620 [ 1920.408184][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1920.408184][T16070] net_rx_action+0x495/0xbe0 [ 1920.408184][T16070] __do_softirq+0x1b5/0x7f6 [ 1920.408184][T16070] [ 1920.410285][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.410285][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.410285][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.410285][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.410285][T16070] ip6_route_add+0x1c/0x140 [ 1920.410285][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1920.410285][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1920.410285][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1920.410285][T16070] addrconf_dad_begin+0x310/0x670 [ 1920.410285][T16070] addrconf_dad_work+0x10b/0xab0 [ 1920.410285][T16070] process_one_work+0x84d/0x18a0 [ 1920.410285][T16070] worker_thread+0x587/0xd30 [ 1920.410285][T16070] kthread+0x28a/0x350 [ 1920.410285][T16070] ret_from_fork+0x31/0x70 [ 1920.410285][T16070] ret_from_fork_asm+0x1a/0x30 [ 1920.410285][T16070] [ 1920.412301][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.412301][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.412301][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.412301][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.412301][T16070] ip6_route_add+0x1c/0x140 [ 1920.412301][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1920.412301][T16070] inet6_addr_add+0x4f8/0xa40 [ 1920.412301][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.412301][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.412301][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.412301][T16070] netlink_unicast+0x449/0x710 [ 1920.412301][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.412301][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.412301][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.412301][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.412301][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.412301][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.412301][T16070] [ 1920.414570][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.414570][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.414570][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.414570][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.414570][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1920.414570][T16070] ipv6_add_addr+0x411/0x2000 [ 1920.414570][T16070] inet6_addr_add+0x30e/0xa40 [ 1920.414570][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.414570][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.414570][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.414570][T16070] netlink_unicast+0x449/0x710 [ 1920.414570][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.414570][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.414570][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.414570][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.414570][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.414570][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.414570][T16070] [ 1920.416822][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.416822][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.416822][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.416822][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.416822][T16070] ip6_route_add+0x1c/0x140 [ 1920.416822][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.416822][T16070] addrconf_add_dev+0xe2/0x170 [ 1920.416822][T16070] inet6_addr_add+0x12f/0xa40 [ 1920.416822][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.416822][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.416822][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.416822][T16070] netlink_unicast+0x449/0x710 [ 1920.416822][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.416822][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.416822][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.416822][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.416822][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.416822][T16070] [ 1920.419072][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.419072][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1920.419072][T16070] ipv6_find_idev+0x102/0x170 [ 1920.419072][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.419072][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.419072][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.419072][T16070] netlink_unicast+0x449/0x710 [ 1920.419072][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.419072][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.419072][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.419072][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.419072][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.419072][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.419072][T16070] [ 1920.420821][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1920.420821][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1920.420821][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1920.420821][T16070] ipv6_find_idev+0x102/0x170 [ 1920.420821][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.420821][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.420821][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.420821][T16070] netlink_unicast+0x449/0x710 [ 1920.420821][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.420821][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.420821][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.420821][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.420821][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.420821][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.420821][T16070] [ 1920.422740][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1920.423074][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1920.423074][T16070] dst_init+0x84/0x4a0 [ 1920.423074][T16070] dst_alloc+0x97/0x150 [ 1920.423074][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.423074][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.423074][T16070] ip6_pol_route+0x56f/0x840 [ 1920.423074][T16070] fib6_rule_lookup+0x334/0x630 [ 1920.423074][T16070] ip6_route_output_flags+0x259/0x480 [ 1920.423074][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1920.423074][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1920.423074][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1920.423074][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1920.423074][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1920.423074][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.423074][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.423074][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.423074][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.423074][T16070] [ 1920.425329][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.425329][T16070] dst_init+0x84/0x4a0 [ 1920.425329][T16070] dst_alloc+0x97/0x150 [ 1920.425329][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.425329][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.425329][T16070] ip6_pol_route+0x56f/0x840 [ 1920.425329][T16070] fib6_rule_lookup+0x334/0x630 [ 1920.425329][T16070] ip6_route_output_flags+0x259/0x480 [ 1920.425329][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1920.425329][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1920.425329][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1920.425329][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1920.425329][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1920.425329][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1920.425329][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1920.425329][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1920.425329][T16070] ip6_input_finish+0x120/0x260 [ 1920.425329][T16070] [ 1920.427661][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.427661][T16070] dst_init+0x84/0x4a0 [ 1920.427661][T16070] dst_alloc+0x97/0x150 [ 1920.427661][T16070] ip6_dst_alloc+0x23/0x90 [ 1920.427661][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1920.427661][T16070] ip6_pol_route+0x56f/0x840 [ 1920.427661][T16070] fib6_rule_lookup+0x456/0x630 [ 1920.427661][T16070] ip6_route_input+0x59c/0xa50 [ 1920.427661][T16070] ipv6_rcv+0x397/0x810 [ 1920.427661][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1920.427661][T16070] process_backlog+0x101/0x620 [ 1920.427661][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1920.427661][T16070] net_rx_action+0x495/0xbe0 [ 1920.427661][T16070] __do_softirq+0x1b5/0x7f6 [ 1920.427661][T16070] [ 1920.429500][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.429500][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.429500][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.429500][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.429500][T16070] ip6_route_add+0x1c/0x140 [ 1920.429500][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1920.429500][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1920.429500][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1920.429500][T16070] addrconf_dad_begin+0x310/0x670 [ 1920.429500][T16070] addrconf_dad_work+0x10b/0xab0 [ 1920.429500][T16070] process_one_work+0x84d/0x18a0 [ 1920.429500][T16070] worker_thread+0x587/0xd30 [ 1920.429500][T16070] kthread+0x28a/0x350 [ 1920.429500][T16070] ret_from_fork+0x31/0x70 [ 1920.429500][T16070] ret_from_fork_asm+0x1a/0x30 [ 1920.429500][T16070] [ 1920.431782][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.431782][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.431782][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.431782][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.431782][T16070] ip6_route_add+0x1c/0x140 [ 1920.431782][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1920.431782][T16070] inet6_addr_add+0x4f8/0xa40 [ 1920.431782][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.431782][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.431782][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.431782][T16070] netlink_unicast+0x449/0x710 [ 1920.431782][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.431782][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.431782][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.431782][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.431782][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.431782][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.431782][T16070] [ 1920.434430][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.434430][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.434430][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.434430][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.434430][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1920.434430][T16070] ipv6_add_addr+0x411/0x2000 [ 1920.434430][T16070] inet6_addr_add+0x30e/0xa40 [ 1920.434430][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.434430][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.434430][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.434430][T16070] netlink_unicast+0x449/0x710 [ 1920.434430][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.434430][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.434430][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.434430][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.434430][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.434430][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.434430][T16070] [ 1920.436912][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.436912][T16070] netdev_get_by_index+0x5e/0x80 [ 1920.436912][T16070] fib6_nh_init+0x3d8/0x1580 [ 1920.436912][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1920.436912][T16070] ip6_route_add+0x1c/0x140 [ 1920.436912][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1920.436912][T16070] addrconf_add_dev+0xe2/0x170 [ 1920.436912][T16070] inet6_addr_add+0x12f/0xa40 [ 1920.436912][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1920.436912][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.436912][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.436912][T16070] netlink_unicast+0x449/0x710 [ 1920.436912][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.436912][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.436912][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.436912][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.436912][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.436912][T16070] [ 1920.439443][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.439443][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1920.439443][T16070] ipv6_find_idev+0x102/0x170 [ 1920.439443][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.439443][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.439443][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.439443][T16070] netlink_unicast+0x449/0x710 [ 1920.439443][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.439443][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.439443][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.439443][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.439443][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.439443][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.439443][T16070] [ 1920.441411][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1920.441411][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1920.441411][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1920.441411][T16070] ipv6_find_idev+0x102/0x170 [ 1920.441411][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1920.441411][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1920.441411][T16070] netlink_rcv_skb+0x130/0x360 [ 1920.441411][T16070] netlink_unicast+0x449/0x710 [ 1920.441411][T16070] netlink_sendmsg+0x723/0xbe0 [ 1920.441411][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1920.441411][T16070] ___sys_sendmsg+0xee/0x170 [ 1920.441411][T16070] __sys_sendmsg+0xcd/0x170 [ 1920.441411][T16070] do_syscall_64+0xc6/0x1e0 [ 1920.441411][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1920.441411][T16070] [ 1928.992924][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1928.993381][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1928.993381][ T74] netdev_get_by_index+0x5e/0x80 [ 1928.993381][ T74] fib6_nh_init+0x3d8/0x1580 [ 1928.993381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1928.993381][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1928.993381][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1928.993381][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1928.993381][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1928.993381][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1928.993381][ T74] addrconf_dad_begin+0x310/0x670 [ 1928.993381][ T74] addrconf_dad_work+0x10b/0xab0 [ 1928.993381][ T74] process_one_work+0x84d/0x18a0 [ 1928.993381][ T74] worker_thread+0x587/0xd30 [ 1928.993381][ T74] kthread+0x28a/0x350 [ 1928.993381][ T74] ret_from_fork+0x31/0x70 [ 1928.993381][ T74] ret_from_fork_asm+0x1a/0x30 [ 1928.993381][ T74] [ 1928.995579][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1928.995579][ T74] netdev_get_by_index+0x5e/0x80 [ 1928.995579][ T74] fib6_nh_init+0x3d8/0x1580 [ 1928.995579][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1928.995579][ T74] ip6_route_add+0x1c/0x140 [ 1928.995579][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1928.995579][ T74] inet6_addr_add+0x4f8/0xa40 [ 1928.995579][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1928.995579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.995579][ T74] netlink_rcv_skb+0x130/0x360 [ 1928.995579][ T74] netlink_unicast+0x449/0x710 [ 1928.995579][ T74] netlink_sendmsg+0x723/0xbe0 [ 1928.995579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1928.995579][ T74] ___sys_sendmsg+0xee/0x170 [ 1928.995579][ T74] __sys_sendmsg+0xcd/0x170 [ 1928.995579][ T74] do_syscall_64+0xc6/0x1e0 [ 1928.995579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.995579][ T74] [ 1928.997820][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1928.997820][ T74] netdev_get_by_index+0x5e/0x80 [ 1928.997820][ T74] fib6_nh_init+0x3d8/0x1580 [ 1928.997820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1928.997820][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1928.997820][ T74] ipv6_add_addr+0x411/0x2000 [ 1928.997820][ T74] inet6_addr_add+0x30e/0xa40 [ 1928.997820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1928.997820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1928.997820][ T74] netlink_rcv_skb+0x130/0x360 [ 1928.997820][ T74] netlink_unicast+0x449/0x710 [ 1928.997820][ T74] netlink_sendmsg+0x723/0xbe0 [ 1928.997820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1928.997820][ T74] ___sys_sendmsg+0xee/0x170 [ 1928.997820][ T74] __sys_sendmsg+0xcd/0x170 [ 1928.997820][ T74] do_syscall_64+0xc6/0x1e0 [ 1928.997820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1928.997820][ T74] [ 1929.000073][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1929.000073][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.000073][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.000073][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.000073][ T74] ip6_route_add+0x1c/0x140 [ 1929.000073][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.000073][ T74] addrconf_add_dev+0xe2/0x170 [ 1929.000073][ T74] inet6_addr_add+0x12f/0xa40 [ 1929.000073][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.000073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.000073][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.000073][ T74] netlink_unicast+0x449/0x710 [ 1929.000073][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.000073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.000073][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.000073][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.000073][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.000073][ T74] [ 1929.002283][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1929.002283][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1929.002283][ T74] ipv6_find_idev+0x102/0x170 [ 1929.002283][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.002283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.002283][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.002283][ T74] netlink_unicast+0x449/0x710 [ 1929.002283][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.002283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.002283][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.002283][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.002283][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.002283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.002283][ T74] [ 1929.004013][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1929.004013][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1929.004013][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1929.004013][ T74] ipv6_find_idev+0x102/0x170 [ 1929.004013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.004013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.004013][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.004013][ T74] netlink_unicast+0x449/0x710 [ 1929.004013][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.004013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.004013][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.004013][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.004013][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.004013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.004013][ T74] [ 1929.005889][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1929.006159][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.006159][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.006159][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.006159][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.006159][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1929.006159][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1929.006159][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1929.006159][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1929.006159][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1929.006159][ T74] addrconf_dad_begin+0x310/0x670 [ 1929.006159][ T74] addrconf_dad_work+0x10b/0xab0 [ 1929.006159][ T74] process_one_work+0x84d/0x18a0 [ 1929.006159][ T74] worker_thread+0x587/0xd30 [ 1929.006159][ T74] kthread+0x28a/0x350 [ 1929.006159][ T74] ret_from_fork+0x31/0x70 [ 1929.006159][ T74] ret_from_fork_asm+0x1a/0x30 [ 1929.006159][ T74] [ 1929.008304][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.008304][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.008304][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.008304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.008304][ T74] ip6_route_add+0x1c/0x140 [ 1929.008304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1929.008304][ T74] inet6_addr_add+0x4f8/0xa40 [ 1929.008304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.008304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.008304][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.008304][ T74] netlink_unicast+0x449/0x710 [ 1929.008304][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.008304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.008304][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.008304][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.008304][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.008304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.008304][ T74] [ 1929.010544][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.010544][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.010544][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.010544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.010544][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1929.010544][ T74] ipv6_add_addr+0x411/0x2000 [ 1929.010544][ T74] inet6_addr_add+0x30e/0xa40 [ 1929.010544][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.010544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.010544][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.010544][ T74] netlink_unicast+0x449/0x710 [ 1929.010544][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.010544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.010544][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.010544][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.010544][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.010544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.010544][ T74] [ 1929.012786][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.012786][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.012786][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.012786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.012786][ T74] ip6_route_add+0x1c/0x140 [ 1929.012786][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.012786][ T74] addrconf_add_dev+0xe2/0x170 [ 1929.012786][ T74] inet6_addr_add+0x12f/0xa40 [ 1929.012786][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.012786][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.012786][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.012786][ T74] netlink_unicast+0x449/0x710 [ 1929.012786][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.012786][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.012786][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.012786][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.012786][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.012786][ T74] [ 1929.014993][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.014993][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1929.014993][ T74] ipv6_find_idev+0x102/0x170 [ 1929.014993][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.014993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.014993][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.014993][ T74] netlink_unicast+0x449/0x710 [ 1929.014993][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.014993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.014993][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.014993][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.014993][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.014993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.014993][ T74] [ 1929.016707][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1929.016707][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1929.016707][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1929.016707][ T74] ipv6_find_idev+0x102/0x170 [ 1929.016707][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.016707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.016707][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.016707][ T74] netlink_unicast+0x449/0x710 [ 1929.016707][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.016707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.016707][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.016707][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.016707][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.016707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.016707][ T74] [ 1929.018595][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1929.018866][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.018866][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.018866][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.018866][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.018866][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1929.018866][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1929.018866][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1929.018866][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1929.018866][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1929.018866][ T74] addrconf_dad_begin+0x310/0x670 [ 1929.018866][ T74] addrconf_dad_work+0x10b/0xab0 [ 1929.018866][ T74] process_one_work+0x84d/0x18a0 [ 1929.018866][ T74] worker_thread+0x587/0xd30 [ 1929.018866][ T74] kthread+0x28a/0x350 [ 1929.018866][ T74] ret_from_fork+0x31/0x70 [ 1929.018866][ T74] ret_from_fork_asm+0x1a/0x30 [ 1929.018866][ T74] [ 1929.021016][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.021016][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.021016][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.021016][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.021016][ T74] ip6_route_add+0x1c/0x140 [ 1929.021016][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1929.021016][ T74] inet6_addr_add+0x4f8/0xa40 [ 1929.021016][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.021016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.021016][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.021016][ T74] netlink_unicast+0x449/0x710 [ 1929.021016][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.021016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.021016][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.021016][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.021016][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.021016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.021016][ T74] [ 1929.023438][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.023438][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.023438][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.023438][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.023438][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1929.023438][ T74] ipv6_add_addr+0x411/0x2000 [ 1929.023438][ T74] inet6_addr_add+0x30e/0xa40 [ 1929.023438][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.023438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.023438][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.023438][ T74] netlink_unicast+0x449/0x710 [ 1929.023438][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.023438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.023438][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.023438][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.023438][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.023438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.023438][ T74] [ 1929.025954][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.025954][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.025954][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.025954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.025954][ T74] ip6_route_add+0x1c/0x140 [ 1929.025954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.025954][ T74] addrconf_add_dev+0xe2/0x170 [ 1929.025954][ T74] inet6_addr_add+0x12f/0xa40 [ 1929.025954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.025954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.025954][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.025954][ T74] netlink_unicast+0x449/0x710 [ 1929.025954][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.025954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.025954][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.025954][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.025954][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.025954][ T74] [ 1929.028374][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.028374][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1929.028374][ T74] ipv6_find_idev+0x102/0x170 [ 1929.028374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.028374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.028374][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.028374][ T74] netlink_unicast+0x449/0x710 [ 1929.028374][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.028374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.028374][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.028374][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.028374][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.028374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.028374][ T74] [ 1929.030264][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1929.030264][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1929.030264][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1929.030264][ T74] ipv6_find_idev+0x102/0x170 [ 1929.030264][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.030264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.030264][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.030264][ T74] netlink_unicast+0x449/0x710 [ 1929.030264][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.030264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.030264][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.030264][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.030264][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.030264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.030264][ T74] [ 1929.032317][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1929.032706][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.032706][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.032706][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.032706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.032706][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1929.032706][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1929.032706][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1929.032706][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1929.032706][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1929.032706][ T74] addrconf_dad_begin+0x310/0x670 [ 1929.032706][ T74] addrconf_dad_work+0x10b/0xab0 [ 1929.032706][ T74] process_one_work+0x84d/0x18a0 [ 1929.032706][ T74] worker_thread+0x587/0xd30 [ 1929.032706][ T74] kthread+0x28a/0x350 [ 1929.032706][ T74] ret_from_fork+0x31/0x70 [ 1929.032706][ T74] ret_from_fork_asm+0x1a/0x30 [ 1929.032706][ T74] [ 1929.035088][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.035088][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.035088][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.035088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.035088][ T74] ip6_route_add+0x1c/0x140 [ 1929.035088][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1929.035088][ T74] inet6_addr_add+0x4f8/0xa40 [ 1929.035088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.035088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.035088][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.035088][ T74] netlink_unicast+0x449/0x710 [ 1929.035088][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.035088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.035088][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.035088][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.035088][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.035088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.035088][ T74] [ 1929.037575][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.037575][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.037575][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.037575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.037575][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1929.037575][ T74] ipv6_add_addr+0x411/0x2000 [ 1929.037575][ T74] inet6_addr_add+0x30e/0xa40 [ 1929.037575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.037575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.037575][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.037575][ T74] netlink_unicast+0x449/0x710 [ 1929.037575][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.037575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.037575][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.037575][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.037575][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.037575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.037575][ T74] [ 1929.040061][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.040061][ T74] netdev_get_by_index+0x5e/0x80 [ 1929.040061][ T74] fib6_nh_init+0x3d8/0x1580 [ 1929.040061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1929.040061][ T74] ip6_route_add+0x1c/0x140 [ 1929.040061][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1929.040061][ T74] addrconf_add_dev+0xe2/0x170 [ 1929.040061][ T74] inet6_addr_add+0x12f/0xa40 [ 1929.040061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1929.040061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.040061][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.040061][ T74] netlink_unicast+0x449/0x710 [ 1929.040061][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.040061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.040061][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.040061][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.040061][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.040061][ T74] [ 1929.042492][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.042492][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1929.042492][ T74] ipv6_find_idev+0x102/0x170 [ 1929.042492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.042492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.042492][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.042492][ T74] netlink_unicast+0x449/0x710 [ 1929.042492][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.042492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.042492][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.042492][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.042492][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.042492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.042492][ T74] [ 1929.044449][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1929.044449][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1929.044449][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1929.044449][ T74] ipv6_find_idev+0x102/0x170 [ 1929.044449][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1929.044449][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1929.044449][ T74] netlink_rcv_skb+0x130/0x360 [ 1929.044449][ T74] netlink_unicast+0x449/0x710 [ 1929.044449][ T74] netlink_sendmsg+0x723/0xbe0 [ 1929.044449][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1929.044449][ T74] ___sys_sendmsg+0xee/0x170 [ 1929.044449][ T74] __sys_sendmsg+0xcd/0x170 [ 1929.044449][ T74] do_syscall_64+0xc6/0x1e0 [ 1929.044449][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1929.044449][ T74] [ 1930.680940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1930.681424][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1930.681424][T16070] dst_init+0x84/0x4a0 [ 1930.681424][T16070] dst_alloc+0x97/0x150 [ 1930.681424][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.681424][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.681424][T16070] ip6_pol_route+0x56f/0x840 [ 1930.681424][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1930.681424][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1930.681424][T16070] fib6_rule_lookup+0x182/0x630 [ 1930.681424][T16070] ip6_route_output_flags+0x259/0x480 [ 1930.681424][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1930.681424][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1930.681424][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1930.681424][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1930.681424][T16070] ip6_datagram_connect+0x2c/0x50 [ 1930.681424][T16070] __sys_connect+0x217/0x2a0 [ 1930.681424][T16070] __x64_sys_connect+0x72/0xb0 [ 1930.681424][T16070] [ 1930.683742][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1930.683742][T16070] dst_init+0x84/0x4a0 [ 1930.683742][T16070] dst_alloc+0x97/0x150 [ 1930.683742][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.683742][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.683742][T16070] ip6_pol_route+0x56f/0x840 [ 1930.683742][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1930.683742][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1930.683742][T16070] fib6_rule_lookup+0x182/0x630 [ 1930.683742][T16070] ip6_route_output_flags+0x259/0x480 [ 1930.683742][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1930.683742][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1930.683742][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1930.683742][T16070] __inet_stream_connect+0x272/0x9f0 [ 1930.683742][T16070] inet_stream_connect+0x57/0xa0 [ 1930.683742][T16070] __sys_connect+0x217/0x2a0 [ 1930.683742][T16070] __x64_sys_connect+0x72/0xb0 [ 1930.683742][T16070] [ 1930.685998][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.685998][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1930.685998][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1930.685998][T16070] fib6_nh_init+0xa22/0x1580 [ 1930.685998][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.685998][T16070] ip6_route_add+0x1c/0x140 [ 1930.685998][T16070] inet6_rtm_newroute+0x104/0x110 [ 1930.685998][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.685998][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.685998][T16070] netlink_unicast+0x449/0x710 [ 1930.685998][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.685998][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.685998][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.685998][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.685998][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.685998][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.685998][T16070] [ 1930.688107][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.688107][T16070] dst_init+0x84/0x4a0 [ 1930.688107][T16070] dst_alloc+0x97/0x150 [ 1930.688107][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.688107][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.688107][T16070] ip6_pol_route+0x56f/0x840 [ 1930.688107][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1930.688107][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1930.688107][T16070] fib6_rule_lookup+0x182/0x630 [ 1930.688107][T16070] ip6_route_input+0x59c/0xa50 [ 1930.688107][T16070] ipv6_rcv+0x397/0x810 [ 1930.688107][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.688107][T16070] process_backlog+0x101/0x620 [ 1930.688107][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1930.688107][T16070] net_rx_action+0x495/0xbe0 [ 1930.688107][T16070] __do_softirq+0x1b5/0x7f6 [ 1930.688107][T16070] [ 1930.690187][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.690187][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.690187][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.690187][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.690187][T16070] ip6_route_add+0x1c/0x140 [ 1930.690187][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1930.690187][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1930.690187][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1930.690187][T16070] addrconf_dad_begin+0x310/0x670 [ 1930.690187][T16070] addrconf_dad_work+0x10b/0xab0 [ 1930.690187][T16070] process_one_work+0x84d/0x18a0 [ 1930.690187][T16070] worker_thread+0x587/0xd30 [ 1930.690187][T16070] kthread+0x28a/0x350 [ 1930.690187][T16070] ret_from_fork+0x31/0x70 [ 1930.690187][T16070] ret_from_fork_asm+0x1a/0x30 [ 1930.690187][T16070] [ 1930.692193][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.692193][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.692193][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.692193][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.692193][T16070] ip6_route_add+0x1c/0x140 [ 1930.692193][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1930.692193][T16070] inet6_addr_add+0x4f8/0xa40 [ 1930.692193][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.692193][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.692193][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.692193][T16070] netlink_unicast+0x449/0x710 [ 1930.692193][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.692193][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.692193][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.692193][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.692193][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.692193][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.692193][T16070] [ 1930.694451][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.694451][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.694451][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.694451][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.694451][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1930.694451][T16070] ipv6_add_addr+0x411/0x2000 [ 1930.694451][T16070] inet6_addr_add+0x30e/0xa40 [ 1930.694451][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.694451][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.694451][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.694451][T16070] netlink_unicast+0x449/0x710 [ 1930.694451][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.694451][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.694451][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.694451][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.694451][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.694451][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.694451][T16070] [ 1930.696696][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.696696][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.696696][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.696696][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.696696][T16070] ip6_route_add+0x1c/0x140 [ 1930.696696][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.696696][T16070] addrconf_add_dev+0xe2/0x170 [ 1930.696696][T16070] inet6_addr_add+0x12f/0xa40 [ 1930.696696][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.696696][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.696696][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.696696][T16070] netlink_unicast+0x449/0x710 [ 1930.696696][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.696696][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.696696][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.696696][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.696696][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.696696][T16070] [ 1930.698898][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.698898][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1930.698898][T16070] ipv6_find_idev+0x102/0x170 [ 1930.698898][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.698898][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.698898][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.698898][T16070] netlink_unicast+0x449/0x710 [ 1930.698898][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.698898][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.698898][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.698898][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.698898][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.698898][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.698898][T16070] [ 1930.700641][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1930.700641][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1930.700641][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1930.700641][T16070] ipv6_find_idev+0x102/0x170 [ 1930.700641][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.700641][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.700641][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.700641][T16070] netlink_unicast+0x449/0x710 [ 1930.700641][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.700641][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.700641][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.700641][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.700641][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.700641][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.700641][T16070] [ 1930.702846][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1930.703165][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1930.703165][T16070] dst_init+0x84/0x4a0 [ 1930.703165][T16070] dst_alloc+0x97/0x150 [ 1930.703165][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.703165][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.703165][T16070] ip6_pol_route+0x56f/0x840 [ 1930.703165][T16070] fib6_rule_lookup+0x334/0x630 [ 1930.703165][T16070] ip6_route_output_flags+0x259/0x480 [ 1930.703165][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1930.703165][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1930.703165][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1930.703165][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1930.703165][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1930.703165][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.703165][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.703165][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.703165][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.703165][T16070] [ 1930.705431][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.705431][T16070] dst_init+0x84/0x4a0 [ 1930.705431][T16070] dst_alloc+0x97/0x150 [ 1930.705431][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.705431][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.705431][T16070] ip6_pol_route+0x56f/0x840 [ 1930.705431][T16070] fib6_rule_lookup+0x334/0x630 [ 1930.705431][T16070] ip6_route_output_flags+0x259/0x480 [ 1930.705431][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1930.705431][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1930.705431][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1930.705431][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1930.705431][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1930.705431][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1930.705431][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1930.705431][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1930.705431][T16070] ip6_input_finish+0x120/0x260 [ 1930.705431][T16070] [ 1930.707747][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.707747][T16070] dst_init+0x84/0x4a0 [ 1930.707747][T16070] dst_alloc+0x97/0x150 [ 1930.707747][T16070] ip6_dst_alloc+0x23/0x90 [ 1930.707747][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1930.707747][T16070] ip6_pol_route+0x56f/0x840 [ 1930.707747][T16070] fib6_rule_lookup+0x456/0x630 [ 1930.707747][T16070] ip6_route_input+0x59c/0xa50 [ 1930.707747][T16070] ipv6_rcv+0x397/0x810 [ 1930.707747][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1930.707747][T16070] process_backlog+0x101/0x620 [ 1930.707747][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1930.707747][T16070] net_rx_action+0x495/0xbe0 [ 1930.707747][T16070] __do_softirq+0x1b5/0x7f6 [ 1930.707747][T16070] [ 1930.709579][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.709579][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.709579][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.709579][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.709579][T16070] ip6_route_add+0x1c/0x140 [ 1930.709579][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1930.709579][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1930.709579][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1930.709579][T16070] addrconf_dad_begin+0x310/0x670 [ 1930.709579][T16070] addrconf_dad_work+0x10b/0xab0 [ 1930.709579][T16070] process_one_work+0x84d/0x18a0 [ 1930.709579][T16070] worker_thread+0x587/0xd30 [ 1930.709579][T16070] kthread+0x28a/0x350 [ 1930.709579][T16070] ret_from_fork+0x31/0x70 [ 1930.709579][T16070] ret_from_fork_asm+0x1a/0x30 [ 1930.709579][T16070] [ 1930.712033][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.712033][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.712033][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.712033][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.712033][T16070] ip6_route_add+0x1c/0x140 [ 1930.712033][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1930.712033][T16070] inet6_addr_add+0x4f8/0xa40 [ 1930.712033][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.712033][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.712033][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.712033][T16070] netlink_unicast+0x449/0x710 [ 1930.712033][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.712033][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.712033][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.712033][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.712033][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.712033][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.712033][T16070] [ 1930.714593][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.714593][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.714593][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.714593][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.714593][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1930.714593][T16070] ipv6_add_addr+0x411/0x2000 [ 1930.714593][T16070] inet6_addr_add+0x30e/0xa40 [ 1930.714593][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.714593][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.714593][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.714593][T16070] netlink_unicast+0x449/0x710 [ 1930.714593][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.714593][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.714593][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.714593][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.714593][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.714593][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.714593][T16070] [ 1930.717146][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.717146][T16070] netdev_get_by_index+0x5e/0x80 [ 1930.717146][T16070] fib6_nh_init+0x3d8/0x1580 [ 1930.717146][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1930.717146][T16070] ip6_route_add+0x1c/0x140 [ 1930.717146][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1930.717146][T16070] addrconf_add_dev+0xe2/0x170 [ 1930.717146][T16070] inet6_addr_add+0x12f/0xa40 [ 1930.717146][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1930.717146][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.717146][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.717146][T16070] netlink_unicast+0x449/0x710 [ 1930.717146][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.717146][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.717146][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.717146][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.717146][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.717146][T16070] [ 1930.719658][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.719658][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1930.719658][T16070] ipv6_find_idev+0x102/0x170 [ 1930.719658][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.719658][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.719658][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.719658][T16070] netlink_unicast+0x449/0x710 [ 1930.719658][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.719658][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.719658][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.719658][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.719658][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.719658][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.719658][T16070] [ 1930.721618][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1930.721618][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1930.721618][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1930.721618][T16070] ipv6_find_idev+0x102/0x170 [ 1930.721618][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1930.721618][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1930.721618][T16070] netlink_rcv_skb+0x130/0x360 [ 1930.721618][T16070] netlink_unicast+0x449/0x710 [ 1930.721618][T16070] netlink_sendmsg+0x723/0xbe0 [ 1930.721618][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1930.721618][T16070] ___sys_sendmsg+0xee/0x170 [ 1930.721618][T16070] __sys_sendmsg+0xcd/0x170 [ 1930.721618][T16070] do_syscall_64+0xc6/0x1e0 [ 1930.721618][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1930.721618][T16070] [ 1939.048930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1939.049378][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.049378][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.049378][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.049378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.049378][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1939.049378][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.049378][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1939.049378][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.049378][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1939.049378][ T74] addrconf_dad_begin+0x310/0x670 [ 1939.049378][ T74] addrconf_dad_work+0x10b/0xab0 [ 1939.049378][ T74] process_one_work+0x84d/0x18a0 [ 1939.049378][ T74] worker_thread+0x587/0xd30 [ 1939.049378][ T74] kthread+0x28a/0x350 [ 1939.049378][ T74] ret_from_fork+0x31/0x70 [ 1939.049378][ T74] ret_from_fork_asm+0x1a/0x30 [ 1939.049378][ T74] [ 1939.051804][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.051804][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.051804][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.051804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.051804][ T74] ip6_route_add+0x1c/0x140 [ 1939.051804][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1939.051804][ T74] inet6_addr_add+0x4f8/0xa40 [ 1939.051804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.051804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.051804][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.051804][ T74] netlink_unicast+0x449/0x710 [ 1939.051804][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.051804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.051804][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.051804][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.051804][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.051804][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.051804][ T74] [ 1939.054354][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.054354][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.054354][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.054354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.054354][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1939.054354][ T74] ipv6_add_addr+0x411/0x2000 [ 1939.054354][ T74] inet6_addr_add+0x30e/0xa40 [ 1939.054354][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.054354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.054354][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.054354][ T74] netlink_unicast+0x449/0x710 [ 1939.054354][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.054354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.054354][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.054354][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.054354][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.054354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.054354][ T74] [ 1939.056919][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.056919][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.056919][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.056919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.056919][ T74] ip6_route_add+0x1c/0x140 [ 1939.056919][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.056919][ T74] addrconf_add_dev+0xe2/0x170 [ 1939.056919][ T74] inet6_addr_add+0x12f/0xa40 [ 1939.056919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.056919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.056919][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.056919][ T74] netlink_unicast+0x449/0x710 [ 1939.056919][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.056919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.056919][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.056919][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.056919][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.056919][ T74] [ 1939.059441][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.059441][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1939.059441][ T74] ipv6_find_idev+0x102/0x170 [ 1939.059441][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.059441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.059441][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.059441][ T74] netlink_unicast+0x449/0x710 [ 1939.059441][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.059441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.059441][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.059441][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.059441][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.059441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.059441][ T74] [ 1939.061383][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1939.061383][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1939.061383][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1939.061383][ T74] ipv6_find_idev+0x102/0x170 [ 1939.061383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.061383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.061383][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.061383][ T74] netlink_unicast+0x449/0x710 [ 1939.061383][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.061383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.061383][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.061383][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.061383][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.061383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.061383][ T74] [ 1939.063554][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1939.063839][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.063839][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.063839][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.063839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.063839][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1939.063839][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.063839][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1939.063839][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.063839][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1939.063839][ T74] addrconf_dad_begin+0x310/0x670 [ 1939.063839][ T74] addrconf_dad_work+0x10b/0xab0 [ 1939.063839][ T74] process_one_work+0x84d/0x18a0 [ 1939.063839][ T74] worker_thread+0x587/0xd30 [ 1939.063839][ T74] kthread+0x28a/0x350 [ 1939.063839][ T74] ret_from_fork+0x31/0x70 [ 1939.063839][ T74] ret_from_fork_asm+0x1a/0x30 [ 1939.063839][ T74] [ 1939.066264][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.066264][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.066264][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.066264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.066264][ T74] ip6_route_add+0x1c/0x140 [ 1939.066264][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1939.066264][ T74] inet6_addr_add+0x4f8/0xa40 [ 1939.066264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.066264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.066264][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.066264][ T74] netlink_unicast+0x449/0x710 [ 1939.066264][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.066264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.066264][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.066264][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.066264][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.066264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.066264][ T74] [ 1939.068800][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.068800][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.068800][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.068800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.068800][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1939.068800][ T74] ipv6_add_addr+0x411/0x2000 [ 1939.068800][ T74] inet6_addr_add+0x30e/0xa40 [ 1939.068800][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.068800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.068800][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.068800][ T74] netlink_unicast+0x449/0x710 [ 1939.068800][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.068800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.068800][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.068800][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.068800][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.068800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.068800][ T74] [ 1939.071312][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.071312][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.071312][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.071312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.071312][ T74] ip6_route_add+0x1c/0x140 [ 1939.071312][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.071312][ T74] addrconf_add_dev+0xe2/0x170 [ 1939.071312][ T74] inet6_addr_add+0x12f/0xa40 [ 1939.071312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.071312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.071312][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.071312][ T74] netlink_unicast+0x449/0x710 [ 1939.071312][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.071312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.071312][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.071312][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.071312][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.071312][ T74] [ 1939.073771][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.073771][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1939.073771][ T74] ipv6_find_idev+0x102/0x170 [ 1939.073771][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.073771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.073771][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.073771][ T74] netlink_unicast+0x449/0x710 [ 1939.073771][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.073771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.073771][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.073771][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.073771][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.073771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.073771][ T74] [ 1939.075677][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1939.075677][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1939.075677][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1939.075677][ T74] ipv6_find_idev+0x102/0x170 [ 1939.075677][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.075677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.075677][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.075677][ T74] netlink_unicast+0x449/0x710 [ 1939.075677][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.075677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.075677][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.075677][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.075677][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.075677][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.075677][ T74] [ 1939.077755][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1939.078053][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.078053][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.078053][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.078053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.078053][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1939.078053][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.078053][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1939.078053][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.078053][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1939.078053][ T74] addrconf_dad_begin+0x310/0x670 [ 1939.078053][ T74] addrconf_dad_work+0x10b/0xab0 [ 1939.078053][ T74] process_one_work+0x84d/0x18a0 [ 1939.078053][ T74] worker_thread+0x587/0xd30 [ 1939.078053][ T74] kthread+0x28a/0x350 [ 1939.078053][ T74] ret_from_fork+0x31/0x70 [ 1939.078053][ T74] ret_from_fork_asm+0x1a/0x30 [ 1939.078053][ T74] [ 1939.080429][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.080429][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.080429][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.080429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.080429][ T74] ip6_route_add+0x1c/0x140 [ 1939.080429][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1939.080429][ T74] inet6_addr_add+0x4f8/0xa40 [ 1939.080429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.080429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.080429][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.080429][ T74] netlink_unicast+0x449/0x710 [ 1939.080429][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.080429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.080429][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.080429][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.080429][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.080429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.080429][ T74] [ 1939.083007][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.083007][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.083007][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.083007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.083007][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1939.083007][ T74] ipv6_add_addr+0x411/0x2000 [ 1939.083007][ T74] inet6_addr_add+0x30e/0xa40 [ 1939.083007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.083007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.083007][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.083007][ T74] netlink_unicast+0x449/0x710 [ 1939.083007][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.083007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.083007][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.083007][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.083007][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.083007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.083007][ T74] [ 1939.085794][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.085794][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.085794][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.085794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.085794][ T74] ip6_route_add+0x1c/0x140 [ 1939.085794][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.085794][ T74] addrconf_add_dev+0xe2/0x170 [ 1939.085794][ T74] inet6_addr_add+0x12f/0xa40 [ 1939.085794][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.085794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.085794][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.085794][ T74] netlink_unicast+0x449/0x710 [ 1939.085794][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.085794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.085794][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.085794][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.085794][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.085794][ T74] [ 1939.088371][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.088371][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1939.088371][ T74] ipv6_find_idev+0x102/0x170 [ 1939.088371][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.088371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.088371][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.088371][ T74] netlink_unicast+0x449/0x710 [ 1939.088371][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.088371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.088371][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.088371][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.088371][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.088371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.088371][ T74] [ 1939.090402][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1939.090402][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1939.090402][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1939.090402][ T74] ipv6_find_idev+0x102/0x170 [ 1939.090402][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.090402][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.090402][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.090402][ T74] netlink_unicast+0x449/0x710 [ 1939.090402][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.090402][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.090402][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.090402][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.090402][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.090402][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.090402][ T74] [ 1939.092582][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1939.092852][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.092852][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.092852][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.092852][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.092852][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1939.092852][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1939.092852][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1939.092852][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1939.092852][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1939.092852][ T74] addrconf_dad_begin+0x310/0x670 [ 1939.092852][ T74] addrconf_dad_work+0x10b/0xab0 [ 1939.092852][ T74] process_one_work+0x84d/0x18a0 [ 1939.092852][ T74] worker_thread+0x587/0xd30 [ 1939.092852][ T74] kthread+0x28a/0x350 [ 1939.092852][ T74] ret_from_fork+0x31/0x70 [ 1939.092852][ T74] ret_from_fork_asm+0x1a/0x30 [ 1939.092852][ T74] [ 1939.095478][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.095478][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.095478][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.095478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.095478][ T74] ip6_route_add+0x1c/0x140 [ 1939.095478][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1939.095478][ T74] inet6_addr_add+0x4f8/0xa40 [ 1939.095478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.095478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.095478][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.095478][ T74] netlink_unicast+0x449/0x710 [ 1939.095478][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.095478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.095478][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.095478][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.095478][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.095478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.095478][ T74] [ 1939.098188][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.098188][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.098188][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.098188][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.098188][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1939.098188][ T74] ipv6_add_addr+0x411/0x2000 [ 1939.098188][ T74] inet6_addr_add+0x30e/0xa40 [ 1939.098188][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.098188][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.098188][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.098188][ T74] netlink_unicast+0x449/0x710 [ 1939.098188][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.098188][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.098188][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.098188][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.098188][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.098188][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.098188][ T74] [ 1939.100831][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.100831][ T74] netdev_get_by_index+0x5e/0x80 [ 1939.100831][ T74] fib6_nh_init+0x3d8/0x1580 [ 1939.100831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1939.100831][ T74] ip6_route_add+0x1c/0x140 [ 1939.100831][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1939.100831][ T74] addrconf_add_dev+0xe2/0x170 [ 1939.100831][ T74] inet6_addr_add+0x12f/0xa40 [ 1939.100831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1939.100831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.100831][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.100831][ T74] netlink_unicast+0x449/0x710 [ 1939.100831][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.100831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.100831][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.100831][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.100831][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.100831][ T74] [ 1939.103474][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.103474][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1939.103474][ T74] ipv6_find_idev+0x102/0x170 [ 1939.103474][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.103474][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.103474][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.103474][ T74] netlink_unicast+0x449/0x710 [ 1939.103474][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.103474][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.103474][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.103474][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.103474][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.103474][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.103474][ T74] [ 1939.105510][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1939.105510][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1939.105510][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1939.105510][ T74] ipv6_find_idev+0x102/0x170 [ 1939.105510][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1939.105510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1939.105510][ T74] netlink_rcv_skb+0x130/0x360 [ 1939.105510][ T74] netlink_unicast+0x449/0x710 [ 1939.105510][ T74] netlink_sendmsg+0x723/0xbe0 [ 1939.105510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1939.105510][ T74] ___sys_sendmsg+0xee/0x170 [ 1939.105510][ T74] __sys_sendmsg+0xcd/0x170 [ 1939.105510][ T74] do_syscall_64+0xc6/0x1e0 [ 1939.105510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1939.105510][ T74] [ 1940.848944][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1940.849444][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1940.849444][T16070] dst_init+0x84/0x4a0 [ 1940.849444][T16070] dst_alloc+0x97/0x150 [ 1940.849444][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.849444][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.849444][T16070] ip6_pol_route+0x56f/0x840 [ 1940.849444][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1940.849444][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1940.849444][T16070] fib6_rule_lookup+0x182/0x630 [ 1940.849444][T16070] ip6_route_output_flags+0x259/0x480 [ 1940.849444][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1940.849444][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1940.849444][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1940.849444][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1940.849444][T16070] ip6_datagram_connect+0x2c/0x50 [ 1940.849444][T16070] __sys_connect+0x217/0x2a0 [ 1940.849444][T16070] __x64_sys_connect+0x72/0xb0 [ 1940.849444][T16070] [ 1940.851757][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1940.851757][T16070] dst_init+0x84/0x4a0 [ 1940.851757][T16070] dst_alloc+0x97/0x150 [ 1940.851757][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.851757][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.851757][T16070] ip6_pol_route+0x56f/0x840 [ 1940.851757][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1940.851757][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1940.851757][T16070] fib6_rule_lookup+0x182/0x630 [ 1940.851757][T16070] ip6_route_output_flags+0x259/0x480 [ 1940.851757][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1940.851757][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1940.851757][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1940.851757][T16070] __inet_stream_connect+0x272/0x9f0 [ 1940.851757][T16070] inet_stream_connect+0x57/0xa0 [ 1940.851757][T16070] __sys_connect+0x217/0x2a0 [ 1940.851757][T16070] __x64_sys_connect+0x72/0xb0 [ 1940.851757][T16070] [ 1940.854028][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.854028][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1940.854028][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1940.854028][T16070] fib6_nh_init+0xa22/0x1580 [ 1940.854028][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.854028][T16070] ip6_route_add+0x1c/0x140 [ 1940.854028][T16070] inet6_rtm_newroute+0x104/0x110 [ 1940.854028][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.854028][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.854028][T16070] netlink_unicast+0x449/0x710 [ 1940.854028][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.854028][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.854028][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.854028][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.854028][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.854028][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.854028][T16070] [ 1940.856143][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.856143][T16070] dst_init+0x84/0x4a0 [ 1940.856143][T16070] dst_alloc+0x97/0x150 [ 1940.856143][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.856143][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.856143][T16070] ip6_pol_route+0x56f/0x840 [ 1940.856143][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1940.856143][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1940.856143][T16070] fib6_rule_lookup+0x182/0x630 [ 1940.856143][T16070] ip6_route_input+0x59c/0xa50 [ 1940.856143][T16070] ipv6_rcv+0x397/0x810 [ 1940.856143][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1940.856143][T16070] process_backlog+0x101/0x620 [ 1940.856143][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1940.856143][T16070] net_rx_action+0x495/0xbe0 [ 1940.856143][T16070] __do_softirq+0x1b5/0x7f6 [ 1940.856143][T16070] [ 1940.858241][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.858241][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.858241][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.858241][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.858241][T16070] ip6_route_add+0x1c/0x140 [ 1940.858241][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1940.858241][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1940.858241][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1940.858241][T16070] addrconf_dad_begin+0x310/0x670 [ 1940.858241][T16070] addrconf_dad_work+0x10b/0xab0 [ 1940.858241][T16070] process_one_work+0x84d/0x18a0 [ 1940.858241][T16070] worker_thread+0x587/0xd30 [ 1940.858241][T16070] kthread+0x28a/0x350 [ 1940.858241][T16070] ret_from_fork+0x31/0x70 [ 1940.858241][T16070] ret_from_fork_asm+0x1a/0x30 [ 1940.858241][T16070] [ 1940.860252][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.860252][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.860252][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.860252][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.860252][T16070] ip6_route_add+0x1c/0x140 [ 1940.860252][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1940.860252][T16070] inet6_addr_add+0x4f8/0xa40 [ 1940.860252][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.860252][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.860252][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.860252][T16070] netlink_unicast+0x449/0x710 [ 1940.860252][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.860252][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.860252][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.860252][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.860252][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.860252][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.860252][T16070] [ 1940.862494][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.862494][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.862494][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.862494][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.862494][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1940.862494][T16070] ipv6_add_addr+0x411/0x2000 [ 1940.862494][T16070] inet6_addr_add+0x30e/0xa40 [ 1940.862494][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.862494][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.862494][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.862494][T16070] netlink_unicast+0x449/0x710 [ 1940.862494][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.862494][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.862494][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.862494][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.862494][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.862494][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.862494][T16070] [ 1940.864750][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.864750][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.864750][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.864750][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.864750][T16070] ip6_route_add+0x1c/0x140 [ 1940.864750][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.864750][T16070] addrconf_add_dev+0xe2/0x170 [ 1940.864750][T16070] inet6_addr_add+0x12f/0xa40 [ 1940.864750][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.864750][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.864750][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.864750][T16070] netlink_unicast+0x449/0x710 [ 1940.864750][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.864750][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.864750][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.864750][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.864750][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.864750][T16070] [ 1940.866958][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.866958][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1940.866958][T16070] ipv6_find_idev+0x102/0x170 [ 1940.866958][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.866958][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.866958][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.866958][T16070] netlink_unicast+0x449/0x710 [ 1940.866958][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.866958][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.866958][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.866958][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.866958][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.866958][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.866958][T16070] [ 1940.868688][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1940.868688][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1940.868688][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1940.868688][T16070] ipv6_find_idev+0x102/0x170 [ 1940.868688][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.868688][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.868688][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.868688][T16070] netlink_unicast+0x449/0x710 [ 1940.868688][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.868688][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.868688][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.868688][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.868688][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.868688][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.868688][T16070] [ 1940.870600][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1940.870920][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1940.870920][T16070] dst_init+0x84/0x4a0 [ 1940.870920][T16070] dst_alloc+0x97/0x150 [ 1940.870920][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.870920][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.870920][T16070] ip6_pol_route+0x56f/0x840 [ 1940.870920][T16070] fib6_rule_lookup+0x334/0x630 [ 1940.870920][T16070] ip6_route_output_flags+0x259/0x480 [ 1940.870920][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1940.870920][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1940.870920][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1940.870920][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1940.870920][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1940.870920][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.870920][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.870920][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.870920][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.870920][T16070] [ 1940.873176][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.873176][T16070] dst_init+0x84/0x4a0 [ 1940.873176][T16070] dst_alloc+0x97/0x150 [ 1940.873176][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.873176][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.873176][T16070] ip6_pol_route+0x56f/0x840 [ 1940.873176][T16070] fib6_rule_lookup+0x334/0x630 [ 1940.873176][T16070] ip6_route_output_flags+0x259/0x480 [ 1940.873176][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1940.873176][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1940.873176][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1940.873176][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1940.873176][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1940.873176][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1940.873176][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1940.873176][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1940.873176][T16070] ip6_input_finish+0x120/0x260 [ 1940.873176][T16070] [ 1940.875452][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.875452][T16070] dst_init+0x84/0x4a0 [ 1940.875452][T16070] dst_alloc+0x97/0x150 [ 1940.875452][T16070] ip6_dst_alloc+0x23/0x90 [ 1940.875452][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1940.875452][T16070] ip6_pol_route+0x56f/0x840 [ 1940.875452][T16070] fib6_rule_lookup+0x456/0x630 [ 1940.875452][T16070] ip6_route_input+0x59c/0xa50 [ 1940.875452][T16070] ipv6_rcv+0x397/0x810 [ 1940.875452][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1940.875452][T16070] process_backlog+0x101/0x620 [ 1940.875452][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1940.875452][T16070] net_rx_action+0x495/0xbe0 [ 1940.875452][T16070] __do_softirq+0x1b5/0x7f6 [ 1940.875452][T16070] [ 1940.877281][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.877281][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.877281][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.877281][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.877281][T16070] ip6_route_add+0x1c/0x140 [ 1940.877281][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1940.877281][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1940.877281][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1940.877281][T16070] addrconf_dad_begin+0x310/0x670 [ 1940.877281][T16070] addrconf_dad_work+0x10b/0xab0 [ 1940.877281][T16070] process_one_work+0x84d/0x18a0 [ 1940.877281][T16070] worker_thread+0x587/0xd30 [ 1940.877281][T16070] kthread+0x28a/0x350 [ 1940.877281][T16070] ret_from_fork+0x31/0x70 [ 1940.877281][T16070] ret_from_fork_asm+0x1a/0x30 [ 1940.877281][T16070] [ 1940.879512][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.879512][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.879512][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.879512][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.879512][T16070] ip6_route_add+0x1c/0x140 [ 1940.879512][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1940.879512][T16070] inet6_addr_add+0x4f8/0xa40 [ 1940.879512][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.879512][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.879512][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.879512][T16070] netlink_unicast+0x449/0x710 [ 1940.879512][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.879512][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.879512][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.879512][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.879512][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.879512][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.879512][T16070] [ 1940.882067][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.882067][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.882067][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.882067][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.882067][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1940.882067][T16070] ipv6_add_addr+0x411/0x2000 [ 1940.882067][T16070] inet6_addr_add+0x30e/0xa40 [ 1940.882067][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.882067][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.882067][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.882067][T16070] netlink_unicast+0x449/0x710 [ 1940.882067][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.882067][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.882067][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.882067][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.882067][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.882067][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.882067][T16070] [ 1940.884636][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.884636][T16070] netdev_get_by_index+0x5e/0x80 [ 1940.884636][T16070] fib6_nh_init+0x3d8/0x1580 [ 1940.884636][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1940.884636][T16070] ip6_route_add+0x1c/0x140 [ 1940.884636][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1940.884636][T16070] addrconf_add_dev+0xe2/0x170 [ 1940.884636][T16070] inet6_addr_add+0x12f/0xa40 [ 1940.884636][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1940.884636][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.884636][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.884636][T16070] netlink_unicast+0x449/0x710 [ 1940.884636][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.884636][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.884636][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.884636][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.884636][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.884636][T16070] [ 1940.887070][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.887070][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1940.887070][T16070] ipv6_find_idev+0x102/0x170 [ 1940.887070][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.887070][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.887070][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.887070][T16070] netlink_unicast+0x449/0x710 [ 1940.887070][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.887070][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.887070][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.887070][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.887070][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.887070][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.887070][T16070] [ 1940.889029][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1940.889029][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1940.889029][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1940.889029][T16070] ipv6_find_idev+0x102/0x170 [ 1940.889029][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1940.889029][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1940.889029][T16070] netlink_rcv_skb+0x130/0x360 [ 1940.889029][T16070] netlink_unicast+0x449/0x710 [ 1940.889029][T16070] netlink_sendmsg+0x723/0xbe0 [ 1940.889029][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1940.889029][T16070] ___sys_sendmsg+0xee/0x170 [ 1940.889029][T16070] __sys_sendmsg+0xcd/0x170 [ 1940.889029][T16070] do_syscall_64+0xc6/0x1e0 [ 1940.889029][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1940.889029][T16070] [ 1949.128957][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1949.129380][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.129380][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.129380][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.129380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.129380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1949.129380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.129380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1949.129380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.129380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1949.129380][ T74] addrconf_dad_begin+0x310/0x670 [ 1949.129380][ T74] addrconf_dad_work+0x10b/0xab0 [ 1949.129380][ T74] process_one_work+0x84d/0x18a0 [ 1949.129380][ T74] worker_thread+0x587/0xd30 [ 1949.129380][ T74] kthread+0x28a/0x350 [ 1949.129380][ T74] ret_from_fork+0x31/0x70 [ 1949.129380][ T74] ret_from_fork_asm+0x1a/0x30 [ 1949.129380][ T74] [ 1949.131316][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.131316][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.131316][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.131316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.131316][ T74] ip6_route_add+0x1c/0x140 [ 1949.131316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1949.131316][ T74] inet6_addr_add+0x4f8/0xa40 [ 1949.131316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.131316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.131316][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.131316][ T74] netlink_unicast+0x449/0x710 [ 1949.131316][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.131316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.131316][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.131316][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.131316][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.131316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.131316][ T74] [ 1949.133330][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.133330][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.133330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.133330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.133330][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1949.133330][ T74] ipv6_add_addr+0x411/0x2000 [ 1949.133330][ T74] inet6_addr_add+0x30e/0xa40 [ 1949.133330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.133330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.133330][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.133330][ T74] netlink_unicast+0x449/0x710 [ 1949.133330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.133330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.133330][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.133330][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.133330][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.133330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.133330][ T74] [ 1949.135330][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.135330][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.135330][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.135330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.135330][ T74] ip6_route_add+0x1c/0x140 [ 1949.135330][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.135330][ T74] addrconf_add_dev+0xe2/0x170 [ 1949.135330][ T74] inet6_addr_add+0x12f/0xa40 [ 1949.135330][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.135330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.135330][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.135330][ T74] netlink_unicast+0x449/0x710 [ 1949.135330][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.135330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.135330][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.135330][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.135330][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.135330][ T74] [ 1949.137295][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.137295][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1949.137295][ T74] ipv6_find_idev+0x102/0x170 [ 1949.137295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.137295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.137295][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.137295][ T74] netlink_unicast+0x449/0x710 [ 1949.137295][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.137295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.137295][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.137295][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.137295][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.137295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.137295][ T74] [ 1949.138837][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1949.138837][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1949.138837][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1949.138837][ T74] ipv6_find_idev+0x102/0x170 [ 1949.138837][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.138837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.138837][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.138837][ T74] netlink_unicast+0x449/0x710 [ 1949.138837][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.138837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.138837][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.138837][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.138837][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.138837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.138837][ T74] [ 1949.140553][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1949.140798][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.140798][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.140798][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.140798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.140798][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1949.140798][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.140798][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1949.140798][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.140798][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1949.140798][ T74] addrconf_dad_begin+0x310/0x670 [ 1949.140798][ T74] addrconf_dad_work+0x10b/0xab0 [ 1949.140798][ T74] process_one_work+0x84d/0x18a0 [ 1949.140798][ T74] worker_thread+0x587/0xd30 [ 1949.140798][ T74] kthread+0x28a/0x350 [ 1949.140798][ T74] ret_from_fork+0x31/0x70 [ 1949.140798][ T74] ret_from_fork_asm+0x1a/0x30 [ 1949.140798][ T74] [ 1949.142851][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.142851][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.142851][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.142851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.142851][ T74] ip6_route_add+0x1c/0x140 [ 1949.142851][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1949.142851][ T74] inet6_addr_add+0x4f8/0xa40 [ 1949.142851][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.142851][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.142851][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.142851][ T74] netlink_unicast+0x449/0x710 [ 1949.142851][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.142851][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.142851][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.142851][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.142851][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.142851][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.142851][ T74] [ 1949.144849][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.144849][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.144849][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.144849][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.144849][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1949.144849][ T74] ipv6_add_addr+0x411/0x2000 [ 1949.144849][ T74] inet6_addr_add+0x30e/0xa40 [ 1949.144849][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.144849][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.144849][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.144849][ T74] netlink_unicast+0x449/0x710 [ 1949.144849][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.144849][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.144849][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.144849][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.144849][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.144849][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.144849][ T74] [ 1949.146845][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.146845][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.146845][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.146845][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.146845][ T74] ip6_route_add+0x1c/0x140 [ 1949.146845][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.146845][ T74] addrconf_add_dev+0xe2/0x170 [ 1949.146845][ T74] inet6_addr_add+0x12f/0xa40 [ 1949.146845][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.146845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.146845][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.146845][ T74] netlink_unicast+0x449/0x710 [ 1949.146845][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.146845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.146845][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.146845][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.146845][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.146845][ T74] [ 1949.148820][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.148820][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1949.148820][ T74] ipv6_find_idev+0x102/0x170 [ 1949.148820][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.148820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.148820][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.148820][ T74] netlink_unicast+0x449/0x710 [ 1949.148820][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.148820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.148820][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.148820][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.148820][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.148820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.148820][ T74] [ 1949.150355][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1949.150355][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1949.150355][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1949.150355][ T74] ipv6_find_idev+0x102/0x170 [ 1949.150355][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.150355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.150355][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.150355][ T74] netlink_unicast+0x449/0x710 [ 1949.150355][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.150355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.150355][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.150355][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.150355][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.150355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.150355][ T74] [ 1949.152043][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1949.152279][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.152279][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.152279][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.152279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.152279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1949.152279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.152279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1949.152279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.152279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1949.152279][ T74] addrconf_dad_begin+0x310/0x670 [ 1949.152279][ T74] addrconf_dad_work+0x10b/0xab0 [ 1949.152279][ T74] process_one_work+0x84d/0x18a0 [ 1949.152279][ T74] worker_thread+0x587/0xd30 [ 1949.152279][ T74] kthread+0x28a/0x350 [ 1949.152279][ T74] ret_from_fork+0x31/0x70 [ 1949.152279][ T74] ret_from_fork_asm+0x1a/0x30 [ 1949.152279][ T74] [ 1949.154192][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.154192][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.154192][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.154192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.154192][ T74] ip6_route_add+0x1c/0x140 [ 1949.154192][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1949.154192][ T74] inet6_addr_add+0x4f8/0xa40 [ 1949.154192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.154192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.154192][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.154192][ T74] netlink_unicast+0x449/0x710 [ 1949.154192][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.154192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.154192][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.154192][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.154192][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.154192][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.154192][ T74] [ 1949.156371][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.156371][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.156371][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.156371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.156371][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1949.156371][ T74] ipv6_add_addr+0x411/0x2000 [ 1949.156371][ T74] inet6_addr_add+0x30e/0xa40 [ 1949.156371][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.156371][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.156371][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.156371][ T74] netlink_unicast+0x449/0x710 [ 1949.156371][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.156371][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.156371][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.156371][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.156371][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.156371][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.156371][ T74] [ 1949.158666][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.158666][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.158666][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.158666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.158666][ T74] ip6_route_add+0x1c/0x140 [ 1949.158666][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.158666][ T74] addrconf_add_dev+0xe2/0x170 [ 1949.158666][ T74] inet6_addr_add+0x12f/0xa40 [ 1949.158666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.158666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.158666][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.158666][ T74] netlink_unicast+0x449/0x710 [ 1949.158666][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.158666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.158666][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.158666][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.158666][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.158666][ T74] [ 1949.160869][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.160869][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1949.160869][ T74] ipv6_find_idev+0x102/0x170 [ 1949.160869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.160869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.160869][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.160869][ T74] netlink_unicast+0x449/0x710 [ 1949.160869][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.160869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.160869][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.160869][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.160869][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.160869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.160869][ T74] [ 1949.162587][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1949.162587][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1949.162587][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1949.162587][ T74] ipv6_find_idev+0x102/0x170 [ 1949.162587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.162587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.162587][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.162587][ T74] netlink_unicast+0x449/0x710 [ 1949.162587][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.162587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.162587][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.162587][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.162587][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.162587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.162587][ T74] [ 1949.164459][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1949.164700][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.164700][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.164700][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.164700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.164700][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1949.164700][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1949.164700][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1949.164700][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1949.164700][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1949.164700][ T74] addrconf_dad_begin+0x310/0x670 [ 1949.164700][ T74] addrconf_dad_work+0x10b/0xab0 [ 1949.164700][ T74] process_one_work+0x84d/0x18a0 [ 1949.164700][ T74] worker_thread+0x587/0xd30 [ 1949.164700][ T74] kthread+0x28a/0x350 [ 1949.164700][ T74] ret_from_fork+0x31/0x70 [ 1949.164700][ T74] ret_from_fork_asm+0x1a/0x30 [ 1949.164700][ T74] [ 1949.166909][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.166909][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.166909][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.166909][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.166909][ T74] ip6_route_add+0x1c/0x140 [ 1949.166909][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1949.166909][ T74] inet6_addr_add+0x4f8/0xa40 [ 1949.166909][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.166909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.166909][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.166909][ T74] netlink_unicast+0x449/0x710 [ 1949.166909][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.166909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.166909][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.166909][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.166909][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.166909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.166909][ T74] [ 1949.169141][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.169141][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.169141][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.169141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.169141][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1949.169141][ T74] ipv6_add_addr+0x411/0x2000 [ 1949.169141][ T74] inet6_addr_add+0x30e/0xa40 [ 1949.169141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.169141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.169141][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.169141][ T74] netlink_unicast+0x449/0x710 [ 1949.169141][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.169141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.169141][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.169141][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.169141][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.169141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.169141][ T74] [ 1949.171369][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.171369][ T74] netdev_get_by_index+0x5e/0x80 [ 1949.171369][ T74] fib6_nh_init+0x3d8/0x1580 [ 1949.171369][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1949.171369][ T74] ip6_route_add+0x1c/0x140 [ 1949.171369][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1949.171369][ T74] addrconf_add_dev+0xe2/0x170 [ 1949.171369][ T74] inet6_addr_add+0x12f/0xa40 [ 1949.171369][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1949.171369][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.171369][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.171369][ T74] netlink_unicast+0x449/0x710 [ 1949.171369][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.171369][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.171369][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.171369][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.171369][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.171369][ T74] [ 1949.173579][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.173579][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1949.173579][ T74] ipv6_find_idev+0x102/0x170 [ 1949.173579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.173579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.173579][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.173579][ T74] netlink_unicast+0x449/0x710 [ 1949.173579][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.173579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.173579][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.173579][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.173579][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.173579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.173579][ T74] [ 1949.175229][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1949.175229][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1949.175229][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1949.175229][ T74] ipv6_find_idev+0x102/0x170 [ 1949.175229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1949.175229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1949.175229][ T74] netlink_rcv_skb+0x130/0x360 [ 1949.175229][ T74] netlink_unicast+0x449/0x710 [ 1949.175229][ T74] netlink_sendmsg+0x723/0xbe0 [ 1949.175229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1949.175229][ T74] ___sys_sendmsg+0xee/0x170 [ 1949.175229][ T74] __sys_sendmsg+0xcd/0x170 [ 1949.175229][ T74] do_syscall_64+0xc6/0x1e0 [ 1949.175229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1949.175229][ T74] [ 1951.128967][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1951.129419][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1951.129419][T16070] dst_init+0x84/0x4a0 [ 1951.129419][T16070] dst_alloc+0x97/0x150 [ 1951.129419][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.129419][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.129419][T16070] ip6_pol_route+0x56f/0x840 [ 1951.129419][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1951.129419][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1951.129419][T16070] fib6_rule_lookup+0x182/0x630 [ 1951.129419][T16070] ip6_route_output_flags+0x259/0x480 [ 1951.129419][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1951.129419][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1951.129419][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1951.129419][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1951.129419][T16070] ip6_datagram_connect+0x2c/0x50 [ 1951.129419][T16070] __sys_connect+0x217/0x2a0 [ 1951.129419][T16070] __x64_sys_connect+0x72/0xb0 [ 1951.129419][T16070] [ 1951.131722][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1951.131722][T16070] dst_init+0x84/0x4a0 [ 1951.131722][T16070] dst_alloc+0x97/0x150 [ 1951.131722][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.131722][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.131722][T16070] ip6_pol_route+0x56f/0x840 [ 1951.131722][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1951.131722][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1951.131722][T16070] fib6_rule_lookup+0x182/0x630 [ 1951.131722][T16070] ip6_route_output_flags+0x259/0x480 [ 1951.131722][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1951.131722][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1951.131722][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1951.131722][T16070] __inet_stream_connect+0x272/0x9f0 [ 1951.131722][T16070] inet_stream_connect+0x57/0xa0 [ 1951.131722][T16070] __sys_connect+0x217/0x2a0 [ 1951.131722][T16070] __x64_sys_connect+0x72/0xb0 [ 1951.131722][T16070] [ 1951.133989][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.133989][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1951.133989][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1951.133989][T16070] fib6_nh_init+0xa22/0x1580 [ 1951.133989][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.133989][T16070] ip6_route_add+0x1c/0x140 [ 1951.133989][T16070] inet6_rtm_newroute+0x104/0x110 [ 1951.133989][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.133989][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.133989][T16070] netlink_unicast+0x449/0x710 [ 1951.133989][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.133989][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.133989][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.133989][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.133989][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.133989][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.133989][T16070] [ 1951.136102][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.136102][T16070] dst_init+0x84/0x4a0 [ 1951.136102][T16070] dst_alloc+0x97/0x150 [ 1951.136102][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.136102][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.136102][T16070] ip6_pol_route+0x56f/0x840 [ 1951.136102][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1951.136102][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1951.136102][T16070] fib6_rule_lookup+0x182/0x630 [ 1951.136102][T16070] ip6_route_input+0x59c/0xa50 [ 1951.136102][T16070] ipv6_rcv+0x397/0x810 [ 1951.136102][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1951.136102][T16070] process_backlog+0x101/0x620 [ 1951.136102][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1951.136102][T16070] net_rx_action+0x495/0xbe0 [ 1951.136102][T16070] __do_softirq+0x1b5/0x7f6 [ 1951.136102][T16070] [ 1951.138174][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.138174][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.138174][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.138174][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.138174][T16070] ip6_route_add+0x1c/0x140 [ 1951.138174][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1951.138174][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1951.138174][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1951.138174][T16070] addrconf_dad_begin+0x310/0x670 [ 1951.138174][T16070] addrconf_dad_work+0x10b/0xab0 [ 1951.138174][T16070] process_one_work+0x84d/0x18a0 [ 1951.138174][T16070] worker_thread+0x587/0xd30 [ 1951.138174][T16070] kthread+0x28a/0x350 [ 1951.138174][T16070] ret_from_fork+0x31/0x70 [ 1951.138174][T16070] ret_from_fork_asm+0x1a/0x30 [ 1951.138174][T16070] [ 1951.140180][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.140180][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.140180][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.140180][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.140180][T16070] ip6_route_add+0x1c/0x140 [ 1951.140180][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1951.140180][T16070] inet6_addr_add+0x4f8/0xa40 [ 1951.140180][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.140180][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.140180][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.140180][T16070] netlink_unicast+0x449/0x710 [ 1951.140180][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.140180][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.140180][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.140180][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.140180][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.140180][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.140180][T16070] [ 1951.142419][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.142419][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.142419][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.142419][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.142419][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1951.142419][T16070] ipv6_add_addr+0x411/0x2000 [ 1951.142419][T16070] inet6_addr_add+0x30e/0xa40 [ 1951.142419][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.142419][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.142419][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.142419][T16070] netlink_unicast+0x449/0x710 [ 1951.142419][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.142419][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.142419][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.142419][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.142419][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.142419][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.142419][T16070] [ 1951.144671][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.144671][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.144671][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.144671][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.144671][T16070] ip6_route_add+0x1c/0x140 [ 1951.144671][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.144671][T16070] addrconf_add_dev+0xe2/0x170 [ 1951.144671][T16070] inet6_addr_add+0x12f/0xa40 [ 1951.144671][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.144671][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.144671][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.144671][T16070] netlink_unicast+0x449/0x710 [ 1951.144671][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.144671][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.144671][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.144671][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.144671][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.144671][T16070] [ 1951.146869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.146869][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1951.146869][T16070] ipv6_find_idev+0x102/0x170 [ 1951.146869][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.146869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.146869][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.146869][T16070] netlink_unicast+0x449/0x710 [ 1951.146869][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.146869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.146869][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.146869][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.146869][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.146869][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.146869][T16070] [ 1951.148591][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1951.148591][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1951.148591][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1951.148591][T16070] ipv6_find_idev+0x102/0x170 [ 1951.148591][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.148591][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.148591][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.148591][T16070] netlink_unicast+0x449/0x710 [ 1951.148591][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.148591][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.148591][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.148591][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.148591][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.148591][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.148591][T16070] [ 1951.150484][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1951.150789][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1951.150789][T16070] dst_init+0x84/0x4a0 [ 1951.150789][T16070] dst_alloc+0x97/0x150 [ 1951.150789][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.150789][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.150789][T16070] ip6_pol_route+0x56f/0x840 [ 1951.150789][T16070] fib6_rule_lookup+0x334/0x630 [ 1951.150789][T16070] ip6_route_output_flags+0x259/0x480 [ 1951.150789][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1951.150789][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1951.150789][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1951.150789][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1951.150789][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1951.150789][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.150789][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.150789][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.150789][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.150789][T16070] [ 1951.153051][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.153051][T16070] dst_init+0x84/0x4a0 [ 1951.153051][T16070] dst_alloc+0x97/0x150 [ 1951.153051][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.153051][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.153051][T16070] ip6_pol_route+0x56f/0x840 [ 1951.153051][T16070] fib6_rule_lookup+0x334/0x630 [ 1951.153051][T16070] ip6_route_output_flags+0x259/0x480 [ 1951.153051][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1951.153051][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1951.153051][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1951.153051][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1951.153051][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1951.153051][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1951.153051][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1951.153051][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1951.153051][T16070] ip6_input_finish+0x120/0x260 [ 1951.153051][T16070] [ 1951.155340][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.155340][T16070] dst_init+0x84/0x4a0 [ 1951.155340][T16070] dst_alloc+0x97/0x150 [ 1951.155340][T16070] ip6_dst_alloc+0x23/0x90 [ 1951.155340][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1951.155340][T16070] ip6_pol_route+0x56f/0x840 [ 1951.155340][T16070] fib6_rule_lookup+0x456/0x630 [ 1951.155340][T16070] ip6_route_input+0x59c/0xa50 [ 1951.155340][T16070] ipv6_rcv+0x397/0x810 [ 1951.155340][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1951.155340][T16070] process_backlog+0x101/0x620 [ 1951.155340][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1951.155340][T16070] net_rx_action+0x495/0xbe0 [ 1951.155340][T16070] __do_softirq+0x1b5/0x7f6 [ 1951.155340][T16070] [ 1951.157180][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.157180][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.157180][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.157180][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.157180][T16070] ip6_route_add+0x1c/0x140 [ 1951.157180][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1951.157180][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1951.157180][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1951.157180][T16070] addrconf_dad_begin+0x310/0x670 [ 1951.157180][T16070] addrconf_dad_work+0x10b/0xab0 [ 1951.157180][T16070] process_one_work+0x84d/0x18a0 [ 1951.157180][T16070] worker_thread+0x587/0xd30 [ 1951.157180][T16070] kthread+0x28a/0x350 [ 1951.157180][T16070] ret_from_fork+0x31/0x70 [ 1951.157180][T16070] ret_from_fork_asm+0x1a/0x30 [ 1951.157180][T16070] [ 1951.159416][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.159416][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.159416][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.159416][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.159416][T16070] ip6_route_add+0x1c/0x140 [ 1951.159416][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1951.159416][T16070] inet6_addr_add+0x4f8/0xa40 [ 1951.159416][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.159416][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.159416][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.159416][T16070] netlink_unicast+0x449/0x710 [ 1951.159416][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.159416][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.159416][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.159416][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.159416][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.159416][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.159416][T16070] [ 1951.161967][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.161967][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.161967][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.161967][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.161967][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1951.161967][T16070] ipv6_add_addr+0x411/0x2000 [ 1951.161967][T16070] inet6_addr_add+0x30e/0xa40 [ 1951.161967][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.161967][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.161967][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.161967][T16070] netlink_unicast+0x449/0x710 [ 1951.161967][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.161967][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.161967][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.161967][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.161967][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.161967][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.161967][T16070] [ 1951.164528][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.164528][T16070] netdev_get_by_index+0x5e/0x80 [ 1951.164528][T16070] fib6_nh_init+0x3d8/0x1580 [ 1951.164528][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1951.164528][T16070] ip6_route_add+0x1c/0x140 [ 1951.164528][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1951.164528][T16070] addrconf_add_dev+0xe2/0x170 [ 1951.164528][T16070] inet6_addr_add+0x12f/0xa40 [ 1951.164528][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1951.164528][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.164528][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.164528][T16070] netlink_unicast+0x449/0x710 [ 1951.164528][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.164528][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.164528][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.164528][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.164528][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.164528][T16070] [ 1951.167088][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.167088][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1951.167088][T16070] ipv6_find_idev+0x102/0x170 [ 1951.167088][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.167088][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.167088][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.167088][T16070] netlink_unicast+0x449/0x710 [ 1951.167088][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.167088][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.167088][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.167088][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.167088][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.167088][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.167088][T16070] [ 1951.169047][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1951.169047][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1951.169047][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1951.169047][T16070] ipv6_find_idev+0x102/0x170 [ 1951.169047][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1951.169047][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1951.169047][T16070] netlink_rcv_skb+0x130/0x360 [ 1951.169047][T16070] netlink_unicast+0x449/0x710 [ 1951.169047][T16070] netlink_sendmsg+0x723/0xbe0 [ 1951.169047][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1951.169047][T16070] ___sys_sendmsg+0xee/0x170 [ 1951.169047][T16070] __sys_sendmsg+0xcd/0x170 [ 1951.169047][T16070] do_syscall_64+0xc6/0x1e0 [ 1951.169047][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1951.169047][T16070] [ 1959.416961][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1959.417370][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.417370][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.417370][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.417370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.417370][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1959.417370][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1959.417370][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1959.417370][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1959.417370][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1959.417370][ T74] addrconf_dad_begin+0x310/0x670 [ 1959.417370][ T74] addrconf_dad_work+0x10b/0xab0 [ 1959.417370][ T74] process_one_work+0x84d/0x18a0 [ 1959.417370][ T74] worker_thread+0x587/0xd30 [ 1959.417370][ T74] kthread+0x28a/0x350 [ 1959.417370][ T74] ret_from_fork+0x31/0x70 [ 1959.417370][ T74] ret_from_fork_asm+0x1a/0x30 [ 1959.417370][ T74] [ 1959.419307][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.419307][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.419307][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.419307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.419307][ T74] ip6_route_add+0x1c/0x140 [ 1959.419307][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1959.419307][ T74] inet6_addr_add+0x4f8/0xa40 [ 1959.419307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.419307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.419307][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.419307][ T74] netlink_unicast+0x449/0x710 [ 1959.419307][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.419307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.419307][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.419307][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.419307][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.419307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.419307][ T74] [ 1959.421323][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.421323][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.421323][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.421323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.421323][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1959.421323][ T74] ipv6_add_addr+0x411/0x2000 [ 1959.421323][ T74] inet6_addr_add+0x30e/0xa40 [ 1959.421323][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.421323][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.421323][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.421323][ T74] netlink_unicast+0x449/0x710 [ 1959.421323][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.421323][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.421323][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.421323][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.421323][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.421323][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.421323][ T74] [ 1959.423327][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.423327][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.423327][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.423327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.423327][ T74] ip6_route_add+0x1c/0x140 [ 1959.423327][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1959.423327][ T74] addrconf_add_dev+0xe2/0x170 [ 1959.423327][ T74] inet6_addr_add+0x12f/0xa40 [ 1959.423327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.423327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.423327][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.423327][ T74] netlink_unicast+0x449/0x710 [ 1959.423327][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.423327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.423327][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.423327][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.423327][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.423327][ T74] [ 1959.425282][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.425282][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1959.425282][ T74] ipv6_find_idev+0x102/0x170 [ 1959.425282][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.425282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.425282][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.425282][ T74] netlink_unicast+0x449/0x710 [ 1959.425282][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.425282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.425282][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.425282][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.425282][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.425282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.425282][ T74] [ 1959.426830][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1959.426830][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1959.426830][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1959.426830][ T74] ipv6_find_idev+0x102/0x170 [ 1959.426830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.426830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.426830][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.426830][ T74] netlink_unicast+0x449/0x710 [ 1959.426830][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.426830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.426830][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.426830][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.426830][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.426830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.426830][ T74] [ 1959.428541][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1959.428790][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.428790][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.428790][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.428790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.428790][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1959.428790][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1959.428790][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1959.428790][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1959.428790][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1959.428790][ T74] addrconf_dad_begin+0x310/0x670 [ 1959.428790][ T74] addrconf_dad_work+0x10b/0xab0 [ 1959.428790][ T74] process_one_work+0x84d/0x18a0 [ 1959.428790][ T74] worker_thread+0x587/0xd30 [ 1959.428790][ T74] kthread+0x28a/0x350 [ 1959.428790][ T74] ret_from_fork+0x31/0x70 [ 1959.428790][ T74] ret_from_fork_asm+0x1a/0x30 [ 1959.428790][ T74] [ 1959.430698][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.430698][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.430698][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.430698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.430698][ T74] ip6_route_add+0x1c/0x140 [ 1959.430698][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1959.430698][ T74] inet6_addr_add+0x4f8/0xa40 [ 1959.430698][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.430698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.430698][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.430698][ T74] netlink_unicast+0x449/0x710 [ 1959.430698][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.430698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.430698][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.430698][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.430698][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.430698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.430698][ T74] [ 1959.432704][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.432704][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.432704][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.432704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.432704][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1959.432704][ T74] ipv6_add_addr+0x411/0x2000 [ 1959.432704][ T74] inet6_addr_add+0x30e/0xa40 [ 1959.432704][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.432704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.432704][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.432704][ T74] netlink_unicast+0x449/0x710 [ 1959.432704][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.432704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.432704][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.432704][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.432704][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.432704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.432704][ T74] [ 1959.434702][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.434702][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.434702][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.434702][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.434702][ T74] ip6_route_add+0x1c/0x140 [ 1959.434702][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1959.434702][ T74] addrconf_add_dev+0xe2/0x170 [ 1959.434702][ T74] inet6_addr_add+0x12f/0xa40 [ 1959.434702][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.434702][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.434702][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.434702][ T74] netlink_unicast+0x449/0x710 [ 1959.434702][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.434702][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.434702][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.434702][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.434702][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.434702][ T74] [ 1959.436700][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.436700][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1959.436700][ T74] ipv6_find_idev+0x102/0x170 [ 1959.436700][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.436700][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.436700][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.436700][ T74] netlink_unicast+0x449/0x710 [ 1959.436700][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.436700][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.436700][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.436700][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.436700][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.436700][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.436700][ T74] [ 1959.438240][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1959.438240][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1959.438240][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1959.438240][ T74] ipv6_find_idev+0x102/0x170 [ 1959.438240][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.438240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.438240][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.438240][ T74] netlink_unicast+0x449/0x710 [ 1959.438240][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.438240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.438240][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.438240][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.438240][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.438240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.438240][ T74] [ 1959.439922][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1959.440163][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.440163][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.440163][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.440163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.440163][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1959.440163][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1959.440163][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1959.440163][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1959.440163][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1959.440163][ T74] addrconf_dad_begin+0x310/0x670 [ 1959.440163][ T74] addrconf_dad_work+0x10b/0xab0 [ 1959.440163][ T74] process_one_work+0x84d/0x18a0 [ 1959.440163][ T74] worker_thread+0x587/0xd30 [ 1959.440163][ T74] kthread+0x28a/0x350 [ 1959.440163][ T74] ret_from_fork+0x31/0x70 [ 1959.440163][ T74] ret_from_fork_asm+0x1a/0x30 [ 1959.440163][ T74] [ 1959.442067][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.442067][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.442067][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.442067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.442067][ T74] ip6_route_add+0x1c/0x140 [ 1959.442067][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1959.442067][ T74] inet6_addr_add+0x4f8/0xa40 [ 1959.442067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.442067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.442067][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.442067][ T74] netlink_unicast+0x449/0x710 [ 1959.442067][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.442067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.442067][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.442067][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.442067][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.442067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.442067][ T74] [ 1959.444258][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.444258][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.444258][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.444258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.444258][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1959.444258][ T74] ipv6_add_addr+0x411/0x2000 [ 1959.444258][ T74] inet6_addr_add+0x30e/0xa40 [ 1959.444258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.444258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.444258][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.444258][ T74] netlink_unicast+0x449/0x710 [ 1959.444258][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.444258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.444258][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.444258][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.444258][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.444258][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.444258][ T74] [ 1959.446565][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.446565][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.446565][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.446565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.446565][ T74] ip6_route_add+0x1c/0x140 [ 1959.446565][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1959.446565][ T74] addrconf_add_dev+0xe2/0x170 [ 1959.446565][ T74] inet6_addr_add+0x12f/0xa40 [ 1959.446565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.446565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.446565][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.446565][ T74] netlink_unicast+0x449/0x710 [ 1959.446565][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.446565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.446565][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.446565][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.446565][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.446565][ T74] [ 1959.448775][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.448775][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1959.448775][ T74] ipv6_find_idev+0x102/0x170 [ 1959.448775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.448775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.448775][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.448775][ T74] netlink_unicast+0x449/0x710 [ 1959.448775][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.448775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.448775][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.448775][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.448775][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.448775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.448775][ T74] [ 1959.450508][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1959.450508][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1959.450508][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1959.450508][ T74] ipv6_find_idev+0x102/0x170 [ 1959.450508][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.450508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.450508][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.450508][ T74] netlink_unicast+0x449/0x710 [ 1959.450508][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.450508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.450508][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.450508][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.450508][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.450508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.450508][ T74] [ 1959.452381][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1959.452625][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.452625][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.452625][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.452625][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.452625][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1959.452625][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1959.452625][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1959.452625][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1959.452625][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1959.452625][ T74] addrconf_dad_begin+0x310/0x670 [ 1959.452625][ T74] addrconf_dad_work+0x10b/0xab0 [ 1959.452625][ T74] process_one_work+0x84d/0x18a0 [ 1959.452625][ T74] worker_thread+0x587/0xd30 [ 1959.452625][ T74] kthread+0x28a/0x350 [ 1959.452625][ T74] ret_from_fork+0x31/0x70 [ 1959.452625][ T74] ret_from_fork_asm+0x1a/0x30 [ 1959.452625][ T74] [ 1959.454770][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.454770][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.454770][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.454770][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.454770][ T74] ip6_route_add+0x1c/0x140 [ 1959.454770][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1959.454770][ T74] inet6_addr_add+0x4f8/0xa40 [ 1959.454770][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.454770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.454770][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.454770][ T74] netlink_unicast+0x449/0x710 [ 1959.454770][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.454770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.454770][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.454770][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.454770][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.454770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.454770][ T74] [ 1959.457077][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.457077][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.457077][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.457077][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.457077][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1959.457077][ T74] ipv6_add_addr+0x411/0x2000 [ 1959.457077][ T74] inet6_addr_add+0x30e/0xa40 [ 1959.457077][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.457077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.457077][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.457077][ T74] netlink_unicast+0x449/0x710 [ 1959.457077][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.457077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.457077][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.457077][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.457077][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.457077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.457077][ T74] [ 1959.459310][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.459310][ T74] netdev_get_by_index+0x5e/0x80 [ 1959.459310][ T74] fib6_nh_init+0x3d8/0x1580 [ 1959.459310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1959.459310][ T74] ip6_route_add+0x1c/0x140 [ 1959.459310][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1959.459310][ T74] addrconf_add_dev+0xe2/0x170 [ 1959.459310][ T74] inet6_addr_add+0x12f/0xa40 [ 1959.459310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1959.459310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.459310][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.459310][ T74] netlink_unicast+0x449/0x710 [ 1959.459310][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.459310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.459310][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.459310][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.459310][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.459310][ T74] [ 1959.461497][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.461497][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1959.461497][ T74] ipv6_find_idev+0x102/0x170 [ 1959.461497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.461497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.461497][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.461497][ T74] netlink_unicast+0x449/0x710 [ 1959.461497][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.461497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.461497][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.461497][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.461497][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.461497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.461497][ T74] [ 1959.463149][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1959.463149][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1959.463149][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1959.463149][ T74] ipv6_find_idev+0x102/0x170 [ 1959.463149][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1959.463149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1959.463149][ T74] netlink_rcv_skb+0x130/0x360 [ 1959.463149][ T74] netlink_unicast+0x449/0x710 [ 1959.463149][ T74] netlink_sendmsg+0x723/0xbe0 [ 1959.463149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1959.463149][ T74] ___sys_sendmsg+0xee/0x170 [ 1959.463149][ T74] __sys_sendmsg+0xcd/0x170 [ 1959.463149][ T74] do_syscall_64+0xc6/0x1e0 [ 1959.463149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1959.463149][ T74] [ 1961.408933][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1961.409451][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1961.409451][T16070] dst_init+0x84/0x4a0 [ 1961.409451][T16070] dst_alloc+0x97/0x150 [ 1961.409451][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.409451][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.409451][T16070] ip6_pol_route+0x56f/0x840 [ 1961.409451][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1961.409451][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1961.409451][T16070] fib6_rule_lookup+0x182/0x630 [ 1961.409451][T16070] ip6_route_output_flags+0x259/0x480 [ 1961.409451][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1961.409451][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1961.409451][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1961.409451][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1961.409451][T16070] ip6_datagram_connect+0x2c/0x50 [ 1961.409451][T16070] __sys_connect+0x217/0x2a0 [ 1961.409451][T16070] __x64_sys_connect+0x72/0xb0 [ 1961.409451][T16070] [ 1961.412012][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1961.412012][T16070] dst_init+0x84/0x4a0 [ 1961.412012][T16070] dst_alloc+0x97/0x150 [ 1961.412012][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.412012][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.412012][T16070] ip6_pol_route+0x56f/0x840 [ 1961.412012][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1961.412012][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1961.412012][T16070] fib6_rule_lookup+0x182/0x630 [ 1961.412012][T16070] ip6_route_output_flags+0x259/0x480 [ 1961.412012][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1961.412012][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1961.412012][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1961.412012][T16070] __inet_stream_connect+0x272/0x9f0 [ 1961.412012][T16070] inet_stream_connect+0x57/0xa0 [ 1961.412012][T16070] __sys_connect+0x217/0x2a0 [ 1961.412012][T16070] __x64_sys_connect+0x72/0xb0 [ 1961.412012][T16070] [ 1961.414529][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.414529][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1961.414529][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1961.414529][T16070] fib6_nh_init+0xa22/0x1580 [ 1961.414529][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.414529][T16070] ip6_route_add+0x1c/0x140 [ 1961.414529][T16070] inet6_rtm_newroute+0x104/0x110 [ 1961.414529][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.414529][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.414529][T16070] netlink_unicast+0x449/0x710 [ 1961.414529][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.414529][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.414529][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.414529][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.414529][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.414529][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.414529][T16070] [ 1961.416872][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.416872][T16070] dst_init+0x84/0x4a0 [ 1961.416872][T16070] dst_alloc+0x97/0x150 [ 1961.416872][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.416872][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.416872][T16070] ip6_pol_route+0x56f/0x840 [ 1961.416872][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1961.416872][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1961.416872][T16070] fib6_rule_lookup+0x182/0x630 [ 1961.416872][T16070] ip6_route_input+0x59c/0xa50 [ 1961.416872][T16070] ipv6_rcv+0x397/0x810 [ 1961.416872][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1961.416872][T16070] process_backlog+0x101/0x620 [ 1961.416872][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1961.416872][T16070] net_rx_action+0x495/0xbe0 [ 1961.416872][T16070] __do_softirq+0x1b5/0x7f6 [ 1961.416872][T16070] [ 1961.419177][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.419177][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.419177][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.419177][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.419177][T16070] ip6_route_add+0x1c/0x140 [ 1961.419177][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1961.419177][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1961.419177][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1961.419177][T16070] addrconf_dad_begin+0x310/0x670 [ 1961.419177][T16070] addrconf_dad_work+0x10b/0xab0 [ 1961.419177][T16070] process_one_work+0x84d/0x18a0 [ 1961.419177][T16070] worker_thread+0x587/0xd30 [ 1961.419177][T16070] kthread+0x28a/0x350 [ 1961.419177][T16070] ret_from_fork+0x31/0x70 [ 1961.419177][T16070] ret_from_fork_asm+0x1a/0x30 [ 1961.419177][T16070] [ 1961.421407][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.421407][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.421407][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.421407][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.421407][T16070] ip6_route_add+0x1c/0x140 [ 1961.421407][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1961.421407][T16070] inet6_addr_add+0x4f8/0xa40 [ 1961.421407][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.421407][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.421407][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.421407][T16070] netlink_unicast+0x449/0x710 [ 1961.421407][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.421407][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.421407][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.421407][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.421407][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.421407][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.421407][T16070] [ 1961.423931][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.423931][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.423931][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.423931][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.423931][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1961.423931][T16070] ipv6_add_addr+0x411/0x2000 [ 1961.423931][T16070] inet6_addr_add+0x30e/0xa40 [ 1961.423931][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.423931][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.423931][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.423931][T16070] netlink_unicast+0x449/0x710 [ 1961.423931][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.423931][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.423931][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.423931][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.423931][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.423931][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.423931][T16070] [ 1961.426421][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.426421][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.426421][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.426421][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.426421][T16070] ip6_route_add+0x1c/0x140 [ 1961.426421][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.426421][T16070] addrconf_add_dev+0xe2/0x170 [ 1961.426421][T16070] inet6_addr_add+0x12f/0xa40 [ 1961.426421][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.426421][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.426421][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.426421][T16070] netlink_unicast+0x449/0x710 [ 1961.426421][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.426421][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.426421][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.426421][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.426421][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.426421][T16070] [ 1961.428868][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.428868][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1961.428868][T16070] ipv6_find_idev+0x102/0x170 [ 1961.428868][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.428868][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.428868][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.428868][T16070] netlink_unicast+0x449/0x710 [ 1961.428868][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.428868][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.428868][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.428868][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.428868][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.428868][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.428868][T16070] [ 1961.430807][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1961.430807][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1961.430807][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1961.430807][T16070] ipv6_find_idev+0x102/0x170 [ 1961.430807][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.430807][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.430807][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.430807][T16070] netlink_unicast+0x449/0x710 [ 1961.430807][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.430807][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.430807][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.430807][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.430807][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.430807][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.430807][T16070] [ 1961.432990][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1961.433322][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1961.433322][T16070] dst_init+0x84/0x4a0 [ 1961.433322][T16070] dst_alloc+0x97/0x150 [ 1961.433322][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.433322][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.433322][T16070] ip6_pol_route+0x56f/0x840 [ 1961.433322][T16070] fib6_rule_lookup+0x334/0x630 [ 1961.433322][T16070] ip6_route_output_flags+0x259/0x480 [ 1961.433322][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1961.433322][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1961.433322][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1961.433322][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1961.433322][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1961.433322][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.433322][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.433322][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.433322][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.433322][T16070] [ 1961.435809][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.435809][T16070] dst_init+0x84/0x4a0 [ 1961.435809][T16070] dst_alloc+0x97/0x150 [ 1961.435809][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.435809][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.435809][T16070] ip6_pol_route+0x56f/0x840 [ 1961.435809][T16070] fib6_rule_lookup+0x334/0x630 [ 1961.435809][T16070] ip6_route_output_flags+0x259/0x480 [ 1961.435809][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1961.435809][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1961.435809][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1961.435809][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1961.435809][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1961.435809][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1961.435809][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1961.435809][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1961.435809][T16070] ip6_input_finish+0x120/0x260 [ 1961.435809][T16070] [ 1961.438336][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.438336][T16070] dst_init+0x84/0x4a0 [ 1961.438336][T16070] dst_alloc+0x97/0x150 [ 1961.438336][T16070] ip6_dst_alloc+0x23/0x90 [ 1961.438336][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1961.438336][T16070] ip6_pol_route+0x56f/0x840 [ 1961.438336][T16070] fib6_rule_lookup+0x456/0x630 [ 1961.438336][T16070] ip6_route_input+0x59c/0xa50 [ 1961.438336][T16070] ipv6_rcv+0x397/0x810 [ 1961.438336][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1961.438336][T16070] process_backlog+0x101/0x620 [ 1961.438336][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1961.438336][T16070] net_rx_action+0x495/0xbe0 [ 1961.438336][T16070] __do_softirq+0x1b5/0x7f6 [ 1961.438336][T16070] [ 1961.440372][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.440372][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.440372][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.440372][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.440372][T16070] ip6_route_add+0x1c/0x140 [ 1961.440372][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1961.440372][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1961.440372][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1961.440372][T16070] addrconf_dad_begin+0x310/0x670 [ 1961.440372][T16070] addrconf_dad_work+0x10b/0xab0 [ 1961.440372][T16070] process_one_work+0x84d/0x18a0 [ 1961.440372][T16070] worker_thread+0x587/0xd30 [ 1961.440372][T16070] kthread+0x28a/0x350 [ 1961.440372][T16070] ret_from_fork+0x31/0x70 [ 1961.440372][T16070] ret_from_fork_asm+0x1a/0x30 [ 1961.440372][T16070] [ 1961.442846][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.442846][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.442846][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.442846][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.442846][T16070] ip6_route_add+0x1c/0x140 [ 1961.442846][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1961.442846][T16070] inet6_addr_add+0x4f8/0xa40 [ 1961.442846][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.442846][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.442846][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.442846][T16070] netlink_unicast+0x449/0x710 [ 1961.442846][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.442846][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.442846][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.442846][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.442846][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.442846][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.442846][T16070] [ 1961.445638][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.445638][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.445638][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.445638][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.445638][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1961.445638][T16070] ipv6_add_addr+0x411/0x2000 [ 1961.445638][T16070] inet6_addr_add+0x30e/0xa40 [ 1961.445638][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.445638][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.445638][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.445638][T16070] netlink_unicast+0x449/0x710 [ 1961.445638][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.445638][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.445638][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.445638][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.445638][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.445638][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.445638][T16070] [ 1961.448416][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.448416][T16070] netdev_get_by_index+0x5e/0x80 [ 1961.448416][T16070] fib6_nh_init+0x3d8/0x1580 [ 1961.448416][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1961.448416][T16070] ip6_route_add+0x1c/0x140 [ 1961.448416][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1961.448416][T16070] addrconf_add_dev+0xe2/0x170 [ 1961.448416][T16070] inet6_addr_add+0x12f/0xa40 [ 1961.448416][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1961.448416][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.448416][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.448416][T16070] netlink_unicast+0x449/0x710 [ 1961.448416][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.448416][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.448416][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.448416][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.448416][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.448416][T16070] [ 1961.451177][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.451177][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1961.451177][T16070] ipv6_find_idev+0x102/0x170 [ 1961.451177][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.451177][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.451177][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.451177][T16070] netlink_unicast+0x449/0x710 [ 1961.451177][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.451177][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.451177][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.451177][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.451177][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.451177][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.451177][T16070] [ 1961.453398][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1961.453398][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1961.453398][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1961.453398][T16070] ipv6_find_idev+0x102/0x170 [ 1961.453398][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1961.453398][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1961.453398][T16070] netlink_rcv_skb+0x130/0x360 [ 1961.453398][T16070] netlink_unicast+0x449/0x710 [ 1961.453398][T16070] netlink_sendmsg+0x723/0xbe0 [ 1961.453398][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1961.453398][T16070] ___sys_sendmsg+0xee/0x170 [ 1961.453398][T16070] __sys_sendmsg+0xcd/0x170 [ 1961.453398][T16070] do_syscall_64+0xc6/0x1e0 [ 1961.453398][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1961.453398][T16070] [ 1969.704921][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1969.705400][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.705400][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.705400][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.705400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.705400][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1969.705400][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1969.705400][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1969.705400][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1969.705400][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1969.705400][ T74] addrconf_dad_begin+0x310/0x670 [ 1969.705400][ T74] addrconf_dad_work+0x10b/0xab0 [ 1969.705400][ T74] process_one_work+0x84d/0x18a0 [ 1969.705400][ T74] worker_thread+0x587/0xd30 [ 1969.705400][ T74] kthread+0x28a/0x350 [ 1969.705400][ T74] ret_from_fork+0x31/0x70 [ 1969.705400][ T74] ret_from_fork_asm+0x1a/0x30 [ 1969.705400][ T74] [ 1969.707576][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.707576][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.707576][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.707576][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.707576][ T74] ip6_route_add+0x1c/0x140 [ 1969.707576][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1969.707576][ T74] inet6_addr_add+0x4f8/0xa40 [ 1969.707576][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.707576][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.707576][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.707576][ T74] netlink_unicast+0x449/0x710 [ 1969.707576][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.707576][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.707576][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.707576][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.707576][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.707576][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.707576][ T74] [ 1969.709820][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.709820][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.709820][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.709820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.709820][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1969.709820][ T74] ipv6_add_addr+0x411/0x2000 [ 1969.709820][ T74] inet6_addr_add+0x30e/0xa40 [ 1969.709820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.709820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.709820][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.709820][ T74] netlink_unicast+0x449/0x710 [ 1969.709820][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.709820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.709820][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.709820][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.709820][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.709820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.709820][ T74] [ 1969.712085][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.712085][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.712085][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.712085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.712085][ T74] ip6_route_add+0x1c/0x140 [ 1969.712085][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1969.712085][ T74] addrconf_add_dev+0xe2/0x170 [ 1969.712085][ T74] inet6_addr_add+0x12f/0xa40 [ 1969.712085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.712085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.712085][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.712085][ T74] netlink_unicast+0x449/0x710 [ 1969.712085][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.712085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.712085][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.712085][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.712085][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.712085][ T74] [ 1969.714313][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.714313][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1969.714313][ T74] ipv6_find_idev+0x102/0x170 [ 1969.714313][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.714313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.714313][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.714313][ T74] netlink_unicast+0x449/0x710 [ 1969.714313][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.714313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.714313][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.714313][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.714313][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.714313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.714313][ T74] [ 1969.716052][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1969.716052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1969.716052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1969.716052][ T74] ipv6_find_idev+0x102/0x170 [ 1969.716052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.716052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.716052][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.716052][ T74] netlink_unicast+0x449/0x710 [ 1969.716052][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.716052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.716052][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.716052][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.716052][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.716052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.716052][ T74] [ 1969.717948][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1969.718208][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.718208][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.718208][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.718208][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.718208][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1969.718208][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1969.718208][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1969.718208][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1969.718208][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1969.718208][ T74] addrconf_dad_begin+0x310/0x670 [ 1969.718208][ T74] addrconf_dad_work+0x10b/0xab0 [ 1969.718208][ T74] process_one_work+0x84d/0x18a0 [ 1969.718208][ T74] worker_thread+0x587/0xd30 [ 1969.718208][ T74] kthread+0x28a/0x350 [ 1969.718208][ T74] ret_from_fork+0x31/0x70 [ 1969.718208][ T74] ret_from_fork_asm+0x1a/0x30 [ 1969.718208][ T74] [ 1969.720374][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.720374][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.720374][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.720374][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.720374][ T74] ip6_route_add+0x1c/0x140 [ 1969.720374][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1969.720374][ T74] inet6_addr_add+0x4f8/0xa40 [ 1969.720374][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.720374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.720374][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.720374][ T74] netlink_unicast+0x449/0x710 [ 1969.720374][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.720374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.720374][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.720374][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.720374][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.720374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.720374][ T74] [ 1969.722635][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.722635][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.722635][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.722635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.722635][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1969.722635][ T74] ipv6_add_addr+0x411/0x2000 [ 1969.722635][ T74] inet6_addr_add+0x30e/0xa40 [ 1969.722635][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.722635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.722635][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.722635][ T74] netlink_unicast+0x449/0x710 [ 1969.722635][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.722635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.722635][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.722635][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.722635][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.722635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.722635][ T74] [ 1969.724884][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.724884][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.724884][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.724884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.724884][ T74] ip6_route_add+0x1c/0x140 [ 1969.724884][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1969.724884][ T74] addrconf_add_dev+0xe2/0x170 [ 1969.724884][ T74] inet6_addr_add+0x12f/0xa40 [ 1969.724884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.724884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.724884][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.724884][ T74] netlink_unicast+0x449/0x710 [ 1969.724884][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.724884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.724884][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.724884][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.724884][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.724884][ T74] [ 1969.727091][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.727091][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1969.727091][ T74] ipv6_find_idev+0x102/0x170 [ 1969.727091][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.727091][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.727091][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.727091][ T74] netlink_unicast+0x449/0x710 [ 1969.727091][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.727091][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.727091][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.727091][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.727091][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.727091][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.727091][ T74] [ 1969.728821][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1969.728821][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1969.728821][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1969.728821][ T74] ipv6_find_idev+0x102/0x170 [ 1969.728821][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.728821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.728821][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.728821][ T74] netlink_unicast+0x449/0x710 [ 1969.728821][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.728821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.728821][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.728821][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.728821][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.728821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.728821][ T74] [ 1969.730717][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1969.730985][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.730985][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.730985][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.730985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.730985][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1969.730985][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1969.730985][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1969.730985][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1969.730985][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1969.730985][ T74] addrconf_dad_begin+0x310/0x670 [ 1969.730985][ T74] addrconf_dad_work+0x10b/0xab0 [ 1969.730985][ T74] process_one_work+0x84d/0x18a0 [ 1969.730985][ T74] worker_thread+0x587/0xd30 [ 1969.730985][ T74] kthread+0x28a/0x350 [ 1969.730985][ T74] ret_from_fork+0x31/0x70 [ 1969.730985][ T74] ret_from_fork_asm+0x1a/0x30 [ 1969.730985][ T74] [ 1969.733135][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.733135][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.733135][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.733135][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.733135][ T74] ip6_route_add+0x1c/0x140 [ 1969.733135][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1969.733135][ T74] inet6_addr_add+0x4f8/0xa40 [ 1969.733135][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.733135][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.733135][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.733135][ T74] netlink_unicast+0x449/0x710 [ 1969.733135][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.733135][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.733135][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.733135][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.733135][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.733135][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.733135][ T74] [ 1969.735565][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.735565][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.735565][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.735565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.735565][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1969.735565][ T74] ipv6_add_addr+0x411/0x2000 [ 1969.735565][ T74] inet6_addr_add+0x30e/0xa40 [ 1969.735565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.735565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.735565][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.735565][ T74] netlink_unicast+0x449/0x710 [ 1969.735565][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.735565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.735565][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.735565][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.735565][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.735565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.735565][ T74] [ 1969.738106][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.738106][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.738106][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.738106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.738106][ T74] ip6_route_add+0x1c/0x140 [ 1969.738106][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1969.738106][ T74] addrconf_add_dev+0xe2/0x170 [ 1969.738106][ T74] inet6_addr_add+0x12f/0xa40 [ 1969.738106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.738106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.738106][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.738106][ T74] netlink_unicast+0x449/0x710 [ 1969.738106][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.738106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.738106][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.738106][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.738106][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.738106][ T74] [ 1969.740519][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.740519][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1969.740519][ T74] ipv6_find_idev+0x102/0x170 [ 1969.740519][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.740519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.740519][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.740519][ T74] netlink_unicast+0x449/0x710 [ 1969.740519][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.740519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.740519][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.740519][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.740519][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.740519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.740519][ T74] [ 1969.742428][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1969.742428][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1969.742428][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1969.742428][ T74] ipv6_find_idev+0x102/0x170 [ 1969.742428][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.742428][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.742428][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.742428][ T74] netlink_unicast+0x449/0x710 [ 1969.742428][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.742428][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.742428][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.742428][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.742428][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.742428][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.742428][ T74] [ 1969.744464][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1969.744788][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.744788][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.744788][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.744788][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.744788][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1969.744788][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1969.744788][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1969.744788][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1969.744788][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1969.744788][ T74] addrconf_dad_begin+0x310/0x670 [ 1969.744788][ T74] addrconf_dad_work+0x10b/0xab0 [ 1969.744788][ T74] process_one_work+0x84d/0x18a0 [ 1969.744788][ T74] worker_thread+0x587/0xd30 [ 1969.744788][ T74] kthread+0x28a/0x350 [ 1969.744788][ T74] ret_from_fork+0x31/0x70 [ 1969.744788][ T74] ret_from_fork_asm+0x1a/0x30 [ 1969.744788][ T74] [ 1969.747092][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.747092][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.747092][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.747092][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.747092][ T74] ip6_route_add+0x1c/0x140 [ 1969.747092][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1969.747092][ T74] inet6_addr_add+0x4f8/0xa40 [ 1969.747092][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.747092][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.747092][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.747092][ T74] netlink_unicast+0x449/0x710 [ 1969.747092][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.747092][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.747092][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.747092][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.747092][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.747092][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.747092][ T74] [ 1969.749623][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.749623][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.749623][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.749623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.749623][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1969.749623][ T74] ipv6_add_addr+0x411/0x2000 [ 1969.749623][ T74] inet6_addr_add+0x30e/0xa40 [ 1969.749623][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.749623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.749623][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.749623][ T74] netlink_unicast+0x449/0x710 [ 1969.749623][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.749623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.749623][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.749623][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.749623][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.749623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.749623][ T74] [ 1969.752084][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.752084][ T74] netdev_get_by_index+0x5e/0x80 [ 1969.752084][ T74] fib6_nh_init+0x3d8/0x1580 [ 1969.752084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1969.752084][ T74] ip6_route_add+0x1c/0x140 [ 1969.752084][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1969.752084][ T74] addrconf_add_dev+0xe2/0x170 [ 1969.752084][ T74] inet6_addr_add+0x12f/0xa40 [ 1969.752084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1969.752084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.752084][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.752084][ T74] netlink_unicast+0x449/0x710 [ 1969.752084][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.752084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.752084][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.752084][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.752084][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.752084][ T74] [ 1969.754527][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.754527][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1969.754527][ T74] ipv6_find_idev+0x102/0x170 [ 1969.754527][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.754527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.754527][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.754527][ T74] netlink_unicast+0x449/0x710 [ 1969.754527][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.754527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.754527][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.754527][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.754527][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.754527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.754527][ T74] [ 1969.756421][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1969.756421][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1969.756421][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1969.756421][ T74] ipv6_find_idev+0x102/0x170 [ 1969.756421][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1969.756421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1969.756421][ T74] netlink_rcv_skb+0x130/0x360 [ 1969.756421][ T74] netlink_unicast+0x449/0x710 [ 1969.756421][ T74] netlink_sendmsg+0x723/0xbe0 [ 1969.756421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1969.756421][ T74] ___sys_sendmsg+0xee/0x170 [ 1969.756421][ T74] __sys_sendmsg+0xcd/0x170 [ 1969.756421][ T74] do_syscall_64+0xc6/0x1e0 [ 1969.756421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1969.756421][ T74] [ 1971.697036][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1971.697562][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1971.697562][T16070] dst_init+0x84/0x4a0 [ 1971.697562][T16070] dst_alloc+0x97/0x150 [ 1971.697562][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.697562][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.697562][T16070] ip6_pol_route+0x56f/0x840 [ 1971.697562][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1971.697562][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1971.697562][T16070] fib6_rule_lookup+0x182/0x630 [ 1971.697562][T16070] ip6_route_output_flags+0x259/0x480 [ 1971.697562][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1971.697562][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1971.697562][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1971.697562][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1971.697562][T16070] ip6_datagram_connect+0x2c/0x50 [ 1971.697562][T16070] __sys_connect+0x217/0x2a0 [ 1971.697562][T16070] __x64_sys_connect+0x72/0xb0 [ 1971.697562][T16070] [ 1971.699878][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1971.699878][T16070] dst_init+0x84/0x4a0 [ 1971.699878][T16070] dst_alloc+0x97/0x150 [ 1971.699878][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.699878][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.699878][T16070] ip6_pol_route+0x56f/0x840 [ 1971.699878][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1971.699878][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1971.699878][T16070] fib6_rule_lookup+0x182/0x630 [ 1971.699878][T16070] ip6_route_output_flags+0x259/0x480 [ 1971.699878][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1971.699878][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1971.699878][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1971.699878][T16070] __inet_stream_connect+0x272/0x9f0 [ 1971.699878][T16070] inet_stream_connect+0x57/0xa0 [ 1971.699878][T16070] __sys_connect+0x217/0x2a0 [ 1971.699878][T16070] __x64_sys_connect+0x72/0xb0 [ 1971.699878][T16070] [ 1971.702142][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.702142][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1971.702142][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1971.702142][T16070] fib6_nh_init+0xa22/0x1580 [ 1971.702142][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.702142][T16070] ip6_route_add+0x1c/0x140 [ 1971.702142][T16070] inet6_rtm_newroute+0x104/0x110 [ 1971.702142][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.702142][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.702142][T16070] netlink_unicast+0x449/0x710 [ 1971.702142][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.702142][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.702142][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.702142][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.702142][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.702142][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.702142][T16070] [ 1971.704438][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.704438][T16070] dst_init+0x84/0x4a0 [ 1971.704438][T16070] dst_alloc+0x97/0x150 [ 1971.704438][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.704438][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.704438][T16070] ip6_pol_route+0x56f/0x840 [ 1971.704438][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1971.704438][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1971.704438][T16070] fib6_rule_lookup+0x182/0x630 [ 1971.704438][T16070] ip6_route_input+0x59c/0xa50 [ 1971.704438][T16070] ipv6_rcv+0x397/0x810 [ 1971.704438][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1971.704438][T16070] process_backlog+0x101/0x620 [ 1971.704438][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1971.704438][T16070] net_rx_action+0x495/0xbe0 [ 1971.704438][T16070] __do_softirq+0x1b5/0x7f6 [ 1971.704438][T16070] [ 1971.706675][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.706675][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.706675][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.706675][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.706675][T16070] ip6_route_add+0x1c/0x140 [ 1971.706675][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1971.706675][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1971.706675][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1971.706675][T16070] addrconf_dad_begin+0x310/0x670 [ 1971.706675][T16070] addrconf_dad_work+0x10b/0xab0 [ 1971.706675][T16070] process_one_work+0x84d/0x18a0 [ 1971.706675][T16070] worker_thread+0x587/0xd30 [ 1971.706675][T16070] kthread+0x28a/0x350 [ 1971.706675][T16070] ret_from_fork+0x31/0x70 [ 1971.706675][T16070] ret_from_fork_asm+0x1a/0x30 [ 1971.706675][T16070] [ 1971.708837][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.708837][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.708837][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.708837][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.708837][T16070] ip6_route_add+0x1c/0x140 [ 1971.708837][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1971.708837][T16070] inet6_addr_add+0x4f8/0xa40 [ 1971.708837][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.708837][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.708837][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.708837][T16070] netlink_unicast+0x449/0x710 [ 1971.708837][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.708837][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.708837][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.708837][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.708837][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.708837][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.708837][T16070] [ 1971.711259][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.711259][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.711259][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.711259][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.711259][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1971.711259][T16070] ipv6_add_addr+0x411/0x2000 [ 1971.711259][T16070] inet6_addr_add+0x30e/0xa40 [ 1971.711259][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.711259][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.711259][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.711259][T16070] netlink_unicast+0x449/0x710 [ 1971.711259][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.711259][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.711259][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.711259][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.711259][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.711259][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.711259][T16070] [ 1971.713691][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.713691][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.713691][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.713691][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.713691][T16070] ip6_route_add+0x1c/0x140 [ 1971.713691][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.713691][T16070] addrconf_add_dev+0xe2/0x170 [ 1971.713691][T16070] inet6_addr_add+0x12f/0xa40 [ 1971.713691][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.713691][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.713691][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.713691][T16070] netlink_unicast+0x449/0x710 [ 1971.713691][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.713691][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.713691][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.713691][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.713691][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.713691][T16070] [ 1971.716078][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.716078][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1971.716078][T16070] ipv6_find_idev+0x102/0x170 [ 1971.716078][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.716078][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.716078][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.716078][T16070] netlink_unicast+0x449/0x710 [ 1971.716078][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.716078][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.716078][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.716078][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.716078][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.716078][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.716078][T16070] [ 1971.717979][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1971.717979][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1971.717979][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1971.717979][T16070] ipv6_find_idev+0x102/0x170 [ 1971.717979][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.717979][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.717979][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.717979][T16070] netlink_unicast+0x449/0x710 [ 1971.717979][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.717979][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.717979][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.717979][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.717979][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.717979][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.717979][T16070] [ 1971.720036][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1971.720367][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1971.720367][T16070] dst_init+0x84/0x4a0 [ 1971.720367][T16070] dst_alloc+0x97/0x150 [ 1971.720367][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.720367][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.720367][T16070] ip6_pol_route+0x56f/0x840 [ 1971.720367][T16070] fib6_rule_lookup+0x334/0x630 [ 1971.720367][T16070] ip6_route_output_flags+0x259/0x480 [ 1971.720367][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1971.720367][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1971.720367][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1971.720367][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1971.720367][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1971.720367][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.720367][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.720367][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.720367][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.720367][T16070] [ 1971.722802][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.722802][T16070] dst_init+0x84/0x4a0 [ 1971.722802][T16070] dst_alloc+0x97/0x150 [ 1971.722802][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.722802][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.722802][T16070] ip6_pol_route+0x56f/0x840 [ 1971.722802][T16070] fib6_rule_lookup+0x334/0x630 [ 1971.722802][T16070] ip6_route_output_flags+0x259/0x480 [ 1971.722802][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1971.722802][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1971.722802][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1971.722802][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1971.722802][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1971.722802][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1971.722802][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1971.722802][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1971.722802][T16070] ip6_input_finish+0x120/0x260 [ 1971.722802][T16070] [ 1971.725272][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.725272][T16070] dst_init+0x84/0x4a0 [ 1971.725272][T16070] dst_alloc+0x97/0x150 [ 1971.725272][T16070] ip6_dst_alloc+0x23/0x90 [ 1971.725272][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1971.725272][T16070] ip6_pol_route+0x56f/0x840 [ 1971.725272][T16070] fib6_rule_lookup+0x456/0x630 [ 1971.725272][T16070] ip6_route_input+0x59c/0xa50 [ 1971.725272][T16070] ipv6_rcv+0x397/0x810 [ 1971.725272][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1971.725272][T16070] process_backlog+0x101/0x620 [ 1971.725272][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1971.725272][T16070] net_rx_action+0x495/0xbe0 [ 1971.725272][T16070] __do_softirq+0x1b5/0x7f6 [ 1971.725272][T16070] [ 1971.727249][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.727249][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.727249][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.727249][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.727249][T16070] ip6_route_add+0x1c/0x140 [ 1971.727249][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1971.727249][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1971.727249][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1971.727249][T16070] addrconf_dad_begin+0x310/0x670 [ 1971.727249][T16070] addrconf_dad_work+0x10b/0xab0 [ 1971.727249][T16070] process_one_work+0x84d/0x18a0 [ 1971.727249][T16070] worker_thread+0x587/0xd30 [ 1971.727249][T16070] kthread+0x28a/0x350 [ 1971.727249][T16070] ret_from_fork+0x31/0x70 [ 1971.727249][T16070] ret_from_fork_asm+0x1a/0x30 [ 1971.727249][T16070] [ 1971.729636][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.729636][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.729636][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.729636][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.729636][T16070] ip6_route_add+0x1c/0x140 [ 1971.729636][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1971.729636][T16070] inet6_addr_add+0x4f8/0xa40 [ 1971.729636][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.729636][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.729636][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.729636][T16070] netlink_unicast+0x449/0x710 [ 1971.729636][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.729636][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.729636][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.729636][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.729636][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.729636][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.729636][T16070] [ 1971.732355][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.732355][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.732355][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.732355][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.732355][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1971.732355][T16070] ipv6_add_addr+0x411/0x2000 [ 1971.732355][T16070] inet6_addr_add+0x30e/0xa40 [ 1971.732355][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.732355][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.732355][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.732355][T16070] netlink_unicast+0x449/0x710 [ 1971.732355][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.732355][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.732355][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.732355][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.732355][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.732355][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.732355][T16070] [ 1971.735078][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.735078][T16070] netdev_get_by_index+0x5e/0x80 [ 1971.735078][T16070] fib6_nh_init+0x3d8/0x1580 [ 1971.735078][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1971.735078][T16070] ip6_route_add+0x1c/0x140 [ 1971.735078][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1971.735078][T16070] addrconf_add_dev+0xe2/0x170 [ 1971.735078][T16070] inet6_addr_add+0x12f/0xa40 [ 1971.735078][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1971.735078][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.735078][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.735078][T16070] netlink_unicast+0x449/0x710 [ 1971.735078][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.735078][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.735078][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.735078][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.735078][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.735078][T16070] [ 1971.737778][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.737778][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1971.737778][T16070] ipv6_find_idev+0x102/0x170 [ 1971.737778][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.737778][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.737778][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.737778][T16070] netlink_unicast+0x449/0x710 [ 1971.737778][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.737778][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.737778][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.737778][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.737778][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.737778][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.737778][T16070] [ 1971.739705][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1971.739705][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1971.739705][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1971.739705][T16070] ipv6_find_idev+0x102/0x170 [ 1971.739705][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1971.739705][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1971.739705][T16070] netlink_rcv_skb+0x130/0x360 [ 1971.739705][T16070] netlink_unicast+0x449/0x710 [ 1971.739705][T16070] netlink_sendmsg+0x723/0xbe0 [ 1971.739705][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1971.739705][T16070] ___sys_sendmsg+0xee/0x170 [ 1971.739705][T16070] __sys_sendmsg+0xcd/0x170 [ 1971.739705][T16070] do_syscall_64+0xc6/0x1e0 [ 1971.739705][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1971.739705][T16070] [ 1980.000932][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1980.001356][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.001356][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.001356][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.001356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.001356][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1980.001356][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.001356][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1980.001356][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.001356][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1980.001356][ T74] addrconf_dad_begin+0x310/0x670 [ 1980.001356][ T74] addrconf_dad_work+0x10b/0xab0 [ 1980.001356][ T74] process_one_work+0x84d/0x18a0 [ 1980.001356][ T74] worker_thread+0x587/0xd30 [ 1980.001356][ T74] kthread+0x28a/0x350 [ 1980.001356][ T74] ret_from_fork+0x31/0x70 [ 1980.001356][ T74] ret_from_fork_asm+0x1a/0x30 [ 1980.001356][ T74] [ 1980.003705][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.003705][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.003705][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.003705][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.003705][ T74] ip6_route_add+0x1c/0x140 [ 1980.003705][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1980.003705][ T74] inet6_addr_add+0x4f8/0xa40 [ 1980.003705][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.003705][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.003705][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.003705][ T74] netlink_unicast+0x449/0x710 [ 1980.003705][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.003705][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.003705][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.003705][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.003705][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.003705][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.003705][ T74] [ 1980.006120][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.006120][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.006120][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.006120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.006120][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1980.006120][ T74] ipv6_add_addr+0x411/0x2000 [ 1980.006120][ T74] inet6_addr_add+0x30e/0xa40 [ 1980.006120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.006120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.006120][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.006120][ T74] netlink_unicast+0x449/0x710 [ 1980.006120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.006120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.006120][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.006120][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.006120][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.006120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.006120][ T74] [ 1980.008535][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.008535][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.008535][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.008535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.008535][ T74] ip6_route_add+0x1c/0x140 [ 1980.008535][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.008535][ T74] addrconf_add_dev+0xe2/0x170 [ 1980.008535][ T74] inet6_addr_add+0x12f/0xa40 [ 1980.008535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.008535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.008535][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.008535][ T74] netlink_unicast+0x449/0x710 [ 1980.008535][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.008535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.008535][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.008535][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.008535][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.008535][ T74] [ 1980.010904][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.010904][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1980.010904][ T74] ipv6_find_idev+0x102/0x170 [ 1980.010904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.010904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.010904][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.010904][ T74] netlink_unicast+0x449/0x710 [ 1980.010904][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.010904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.010904][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.010904][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.010904][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.010904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.010904][ T74] [ 1980.012775][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1980.012775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1980.012775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1980.012775][ T74] ipv6_find_idev+0x102/0x170 [ 1980.012775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.012775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.012775][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.012775][ T74] netlink_unicast+0x449/0x710 [ 1980.012775][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.012775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.012775][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.012775][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.012775][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.012775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.012775][ T74] [ 1980.014824][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1980.015104][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.015104][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.015104][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.015104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.015104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1980.015104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.015104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1980.015104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.015104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1980.015104][ T74] addrconf_dad_begin+0x310/0x670 [ 1980.015104][ T74] addrconf_dad_work+0x10b/0xab0 [ 1980.015104][ T74] process_one_work+0x84d/0x18a0 [ 1980.015104][ T74] worker_thread+0x587/0xd30 [ 1980.015104][ T74] kthread+0x28a/0x350 [ 1980.015104][ T74] ret_from_fork+0x31/0x70 [ 1980.015104][ T74] ret_from_fork_asm+0x1a/0x30 [ 1980.015104][ T74] [ 1980.017418][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.017418][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.017418][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.017418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.017418][ T74] ip6_route_add+0x1c/0x140 [ 1980.017418][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1980.017418][ T74] inet6_addr_add+0x4f8/0xa40 [ 1980.017418][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.017418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.017418][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.017418][ T74] netlink_unicast+0x449/0x710 [ 1980.017418][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.017418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.017418][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.017418][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.017418][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.017418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.017418][ T74] [ 1980.019823][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.019823][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.019823][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.019823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.019823][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1980.019823][ T74] ipv6_add_addr+0x411/0x2000 [ 1980.019823][ T74] inet6_addr_add+0x30e/0xa40 [ 1980.019823][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.019823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.019823][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.019823][ T74] netlink_unicast+0x449/0x710 [ 1980.019823][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.019823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.019823][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.019823][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.019823][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.019823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.019823][ T74] [ 1980.022237][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.022237][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.022237][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.022237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.022237][ T74] ip6_route_add+0x1c/0x140 [ 1980.022237][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.022237][ T74] addrconf_add_dev+0xe2/0x170 [ 1980.022237][ T74] inet6_addr_add+0x12f/0xa40 [ 1980.022237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.022237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.022237][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.022237][ T74] netlink_unicast+0x449/0x710 [ 1980.022237][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.022237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.022237][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.022237][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.022237][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.022237][ T74] [ 1980.024625][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.024625][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1980.024625][ T74] ipv6_find_idev+0x102/0x170 [ 1980.024625][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.024625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.024625][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.024625][ T74] netlink_unicast+0x449/0x710 [ 1980.024625][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.024625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.024625][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.024625][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.024625][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.024625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.024625][ T74] [ 1980.026483][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1980.026483][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1980.026483][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1980.026483][ T74] ipv6_find_idev+0x102/0x170 [ 1980.026483][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.026483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.026483][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.026483][ T74] netlink_unicast+0x449/0x710 [ 1980.026483][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.026483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.026483][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.026483][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.026483][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.026483][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.026483][ T74] [ 1980.028659][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1980.028951][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.028951][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.028951][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.028951][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.028951][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1980.028951][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.028951][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1980.028951][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.028951][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1980.028951][ T74] addrconf_dad_begin+0x310/0x670 [ 1980.028951][ T74] addrconf_dad_work+0x10b/0xab0 [ 1980.028951][ T74] process_one_work+0x84d/0x18a0 [ 1980.028951][ T74] worker_thread+0x587/0xd30 [ 1980.028951][ T74] kthread+0x28a/0x350 [ 1980.028951][ T74] ret_from_fork+0x31/0x70 [ 1980.028951][ T74] ret_from_fork_asm+0x1a/0x30 [ 1980.028951][ T74] [ 1980.031270][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.031270][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.031270][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.031270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.031270][ T74] ip6_route_add+0x1c/0x140 [ 1980.031270][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1980.031270][ T74] inet6_addr_add+0x4f8/0xa40 [ 1980.031270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.031270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.031270][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.031270][ T74] netlink_unicast+0x449/0x710 [ 1980.031270][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.031270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.031270][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.031270][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.031270][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.031270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.031270][ T74] [ 1980.033879][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.033879][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.033879][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.033879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.033879][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1980.033879][ T74] ipv6_add_addr+0x411/0x2000 [ 1980.033879][ T74] inet6_addr_add+0x30e/0xa40 [ 1980.033879][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.033879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.033879][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.033879][ T74] netlink_unicast+0x449/0x710 [ 1980.033879][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.033879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.033879][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.033879][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.033879][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.033879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.033879][ T74] [ 1980.036525][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.036525][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.036525][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.036525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.036525][ T74] ip6_route_add+0x1c/0x140 [ 1980.036525][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.036525][ T74] addrconf_add_dev+0xe2/0x170 [ 1980.036525][ T74] inet6_addr_add+0x12f/0xa40 [ 1980.036525][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.036525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.036525][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.036525][ T74] netlink_unicast+0x449/0x710 [ 1980.036525][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.036525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.036525][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.036525][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.036525][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.036525][ T74] [ 1980.039189][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.039189][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1980.039189][ T74] ipv6_find_idev+0x102/0x170 [ 1980.039189][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.039189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.039189][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.039189][ T74] netlink_unicast+0x449/0x710 [ 1980.039189][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.039189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.039189][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.039189][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.039189][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.039189][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.039189][ T74] [ 1980.041211][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1980.041211][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1980.041211][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1980.041211][ T74] ipv6_find_idev+0x102/0x170 [ 1980.041211][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.041211][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.041211][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.041211][ T74] netlink_unicast+0x449/0x710 [ 1980.041211][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.041211][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.041211][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.041211][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.041211][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.041211][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.041211][ T74] [ 1980.043408][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1980.043749][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.043749][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.043749][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.043749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.043749][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1980.043749][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1980.043749][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1980.043749][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1980.043749][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1980.043749][ T74] addrconf_dad_begin+0x310/0x670 [ 1980.043749][ T74] addrconf_dad_work+0x10b/0xab0 [ 1980.043749][ T74] process_one_work+0x84d/0x18a0 [ 1980.043749][ T74] worker_thread+0x587/0xd30 [ 1980.043749][ T74] kthread+0x28a/0x350 [ 1980.043749][ T74] ret_from_fork+0x31/0x70 [ 1980.043749][ T74] ret_from_fork_asm+0x1a/0x30 [ 1980.043749][ T74] [ 1980.046198][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.046198][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.046198][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.046198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.046198][ T74] ip6_route_add+0x1c/0x140 [ 1980.046198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1980.046198][ T74] inet6_addr_add+0x4f8/0xa40 [ 1980.046198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.046198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.046198][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.046198][ T74] netlink_unicast+0x449/0x710 [ 1980.046198][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.046198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.046198][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.046198][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.046198][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.046198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.046198][ T74] [ 1980.048888][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.048888][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.048888][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.048888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.048888][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1980.048888][ T74] ipv6_add_addr+0x411/0x2000 [ 1980.048888][ T74] inet6_addr_add+0x30e/0xa40 [ 1980.048888][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.048888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.048888][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.048888][ T74] netlink_unicast+0x449/0x710 [ 1980.048888][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.048888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.048888][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.048888][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.048888][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.048888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.048888][ T74] [ 1980.051513][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.051513][ T74] netdev_get_by_index+0x5e/0x80 [ 1980.051513][ T74] fib6_nh_init+0x3d8/0x1580 [ 1980.051513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1980.051513][ T74] ip6_route_add+0x1c/0x140 [ 1980.051513][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1980.051513][ T74] addrconf_add_dev+0xe2/0x170 [ 1980.051513][ T74] inet6_addr_add+0x12f/0xa40 [ 1980.051513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1980.051513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.051513][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.051513][ T74] netlink_unicast+0x449/0x710 [ 1980.051513][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.051513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.051513][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.051513][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.051513][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.051513][ T74] [ 1980.054113][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.054113][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1980.054113][ T74] ipv6_find_idev+0x102/0x170 [ 1980.054113][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.054113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.054113][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.054113][ T74] netlink_unicast+0x449/0x710 [ 1980.054113][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.054113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.054113][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.054113][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.054113][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.054113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.054113][ T74] [ 1980.056133][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1980.056133][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1980.056133][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1980.056133][ T74] ipv6_find_idev+0x102/0x170 [ 1980.056133][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1980.056133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1980.056133][ T74] netlink_rcv_skb+0x130/0x360 [ 1980.056133][ T74] netlink_unicast+0x449/0x710 [ 1980.056133][ T74] netlink_sendmsg+0x723/0xbe0 [ 1980.056133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1980.056133][ T74] ___sys_sendmsg+0xee/0x170 [ 1980.056133][ T74] __sys_sendmsg+0xcd/0x170 [ 1980.056133][ T74] do_syscall_64+0xc6/0x1e0 [ 1980.056133][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1980.056133][ T74] [ 1981.984896][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1981.985533][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1981.985533][T16070] dst_init+0x84/0x4a0 [ 1981.985533][T16070] dst_alloc+0x97/0x150 [ 1981.985533][T16070] ip6_dst_alloc+0x23/0x90 [ 1981.985533][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.985533][T16070] ip6_pol_route+0x56f/0x840 [ 1981.985533][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1981.985533][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1981.985533][T16070] fib6_rule_lookup+0x182/0x630 [ 1981.985533][T16070] ip6_route_output_flags+0x259/0x480 [ 1981.985533][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1981.985533][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1981.985533][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1981.985533][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1981.985533][T16070] ip6_datagram_connect+0x2c/0x50 [ 1981.985533][T16070] __sys_connect+0x217/0x2a0 [ 1981.985533][T16070] __x64_sys_connect+0x72/0xb0 [ 1981.985533][T16070] [ 1981.989137][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1981.989137][T16070] dst_init+0x84/0x4a0 [ 1981.989137][T16070] dst_alloc+0x97/0x150 [ 1981.989137][T16070] ip6_dst_alloc+0x23/0x90 [ 1981.989137][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.989137][T16070] ip6_pol_route+0x56f/0x840 [ 1981.989137][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1981.989137][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1981.989137][T16070] fib6_rule_lookup+0x182/0x630 [ 1981.989137][T16070] ip6_route_output_flags+0x259/0x480 [ 1981.989137][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1981.989137][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1981.989137][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1981.989137][T16070] __inet_stream_connect+0x272/0x9f0 [ 1981.989137][T16070] inet_stream_connect+0x57/0xa0 [ 1981.989137][T16070] __sys_connect+0x217/0x2a0 [ 1981.989137][T16070] __x64_sys_connect+0x72/0xb0 [ 1981.989137][T16070] [ 1981.992869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1981.992869][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1981.992869][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1981.992869][T16070] fib6_nh_init+0xa22/0x1580 [ 1981.992869][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1981.992869][T16070] ip6_route_add+0x1c/0x140 [ 1981.992869][T16070] inet6_rtm_newroute+0x104/0x110 [ 1981.992869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1981.992869][T16070] netlink_rcv_skb+0x130/0x360 [ 1981.992869][T16070] netlink_unicast+0x449/0x710 [ 1981.992869][T16070] netlink_sendmsg+0x723/0xbe0 [ 1981.992869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1981.992869][T16070] ___sys_sendmsg+0xee/0x170 [ 1981.992869][T16070] __sys_sendmsg+0xcd/0x170 [ 1981.992869][T16070] do_syscall_64+0xc6/0x1e0 [ 1981.992869][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1981.992869][T16070] [ 1981.996267][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1981.996267][T16070] dst_init+0x84/0x4a0 [ 1981.996267][T16070] dst_alloc+0x97/0x150 [ 1981.996267][T16070] ip6_dst_alloc+0x23/0x90 [ 1981.996267][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1981.996267][T16070] ip6_pol_route+0x56f/0x840 [ 1981.996267][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1981.996267][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1981.996267][T16070] fib6_rule_lookup+0x182/0x630 [ 1981.996267][T16070] ip6_route_input+0x59c/0xa50 [ 1981.996267][T16070] ipv6_rcv+0x397/0x810 [ 1981.996267][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1981.996267][T16070] process_backlog+0x101/0x620 [ 1981.996267][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1981.996267][T16070] net_rx_action+0x495/0xbe0 [ 1981.996267][T16070] __do_softirq+0x1b5/0x7f6 [ 1981.996267][T16070] [ 1981.999912][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1981.999912][T16070] netdev_get_by_index+0x5e/0x80 [ 1981.999912][T16070] fib6_nh_init+0x3d8/0x1580 [ 1981.999912][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1981.999912][T16070] ip6_route_add+0x1c/0x140 [ 1981.999912][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1981.999912][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1981.999912][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1981.999912][T16070] addrconf_dad_begin+0x310/0x670 [ 1981.999912][T16070] addrconf_dad_work+0x10b/0xab0 [ 1981.999912][T16070] process_one_work+0x84d/0x18a0 [ 1981.999912][T16070] worker_thread+0x587/0xd30 [ 1981.999912][T16070] kthread+0x28a/0x350 [ 1981.999912][T16070] ret_from_fork+0x31/0x70 [ 1981.999912][T16070] ret_from_fork_asm+0x1a/0x30 [ 1981.999912][T16070] [ 1982.003269][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1982.003269][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.003269][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.003269][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.003269][T16070] ip6_route_add+0x1c/0x140 [ 1982.003269][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1982.003269][T16070] inet6_addr_add+0x4f8/0xa40 [ 1982.003269][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.003269][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.003269][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.003269][T16070] netlink_unicast+0x449/0x710 [ 1982.003269][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.003269][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.003269][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.003269][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.003269][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.003269][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.003269][T16070] [ 1982.005713][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1982.005713][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.005713][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.005713][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.005713][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1982.005713][T16070] ipv6_add_addr+0x411/0x2000 [ 1982.005713][T16070] inet6_addr_add+0x30e/0xa40 [ 1982.005713][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.005713][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.005713][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.005713][T16070] netlink_unicast+0x449/0x710 [ 1982.005713][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.005713][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.005713][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.005713][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.005713][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.005713][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.005713][T16070] [ 1982.008149][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1982.008149][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.008149][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.008149][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.008149][T16070] ip6_route_add+0x1c/0x140 [ 1982.008149][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1982.008149][T16070] addrconf_add_dev+0xe2/0x170 [ 1982.008149][T16070] inet6_addr_add+0x12f/0xa40 [ 1982.008149][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.008149][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.008149][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.008149][T16070] netlink_unicast+0x449/0x710 [ 1982.008149][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.008149][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.008149][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.008149][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.008149][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.008149][T16070] [ 1982.010537][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1982.010537][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1982.010537][T16070] ipv6_find_idev+0x102/0x170 [ 1982.010537][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.010537][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.010537][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.010537][T16070] netlink_unicast+0x449/0x710 [ 1982.010537][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.010537][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.010537][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.010537][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.010537][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.010537][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.010537][T16070] [ 1982.012413][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1982.012413][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1982.012413][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1982.012413][T16070] ipv6_find_idev+0x102/0x170 [ 1982.012413][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.012413][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.012413][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.012413][T16070] netlink_unicast+0x449/0x710 [ 1982.012413][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.012413][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.012413][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.012413][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.012413][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.012413][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.012413][T16070] [ 1982.014469][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1982.014793][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1982.014793][T16070] dst_init+0x84/0x4a0 [ 1982.014793][T16070] dst_alloc+0x97/0x150 [ 1982.014793][T16070] ip6_dst_alloc+0x23/0x90 [ 1982.014793][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1982.014793][T16070] ip6_pol_route+0x56f/0x840 [ 1982.014793][T16070] fib6_rule_lookup+0x334/0x630 [ 1982.014793][T16070] ip6_route_output_flags+0x259/0x480 [ 1982.014793][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1982.014793][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1982.014793][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1982.014793][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1982.014793][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1982.014793][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.014793][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.014793][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.014793][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.014793][T16070] [ 1982.017234][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.017234][T16070] dst_init+0x84/0x4a0 [ 1982.017234][T16070] dst_alloc+0x97/0x150 [ 1982.017234][T16070] ip6_dst_alloc+0x23/0x90 [ 1982.017234][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1982.017234][T16070] ip6_pol_route+0x56f/0x840 [ 1982.017234][T16070] fib6_rule_lookup+0x334/0x630 [ 1982.017234][T16070] ip6_route_output_flags+0x259/0x480 [ 1982.017234][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1982.017234][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1982.017234][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1982.017234][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1982.017234][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1982.017234][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1982.017234][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1982.017234][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1982.017234][T16070] ip6_input_finish+0x120/0x260 [ 1982.017234][T16070] [ 1982.019708][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.019708][T16070] dst_init+0x84/0x4a0 [ 1982.019708][T16070] dst_alloc+0x97/0x150 [ 1982.019708][T16070] ip6_dst_alloc+0x23/0x90 [ 1982.019708][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1982.019708][T16070] ip6_pol_route+0x56f/0x840 [ 1982.019708][T16070] fib6_rule_lookup+0x456/0x630 [ 1982.019708][T16070] ip6_route_input+0x59c/0xa50 [ 1982.019708][T16070] ipv6_rcv+0x397/0x810 [ 1982.019708][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1982.019708][T16070] process_backlog+0x101/0x620 [ 1982.019708][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1982.019708][T16070] net_rx_action+0x495/0xbe0 [ 1982.019708][T16070] __do_softirq+0x1b5/0x7f6 [ 1982.019708][T16070] [ 1982.021693][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.021693][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.021693][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.021693][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.021693][T16070] ip6_route_add+0x1c/0x140 [ 1982.021693][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1982.021693][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1982.021693][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1982.021693][T16070] addrconf_dad_begin+0x310/0x670 [ 1982.021693][T16070] addrconf_dad_work+0x10b/0xab0 [ 1982.021693][T16070] process_one_work+0x84d/0x18a0 [ 1982.021693][T16070] worker_thread+0x587/0xd30 [ 1982.021693][T16070] kthread+0x28a/0x350 [ 1982.021693][T16070] ret_from_fork+0x31/0x70 [ 1982.021693][T16070] ret_from_fork_asm+0x1a/0x30 [ 1982.021693][T16070] [ 1982.024070][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.024070][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.024070][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.024070][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.024070][T16070] ip6_route_add+0x1c/0x140 [ 1982.024070][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1982.024070][T16070] inet6_addr_add+0x4f8/0xa40 [ 1982.024070][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.024070][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.024070][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.024070][T16070] netlink_unicast+0x449/0x710 [ 1982.024070][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.024070][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.024070][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.024070][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.024070][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.024070][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.024070][T16070] [ 1982.026685][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.026685][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.026685][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.026685][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.026685][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1982.026685][T16070] ipv6_add_addr+0x411/0x2000 [ 1982.026685][T16070] inet6_addr_add+0x30e/0xa40 [ 1982.026685][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.026685][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.026685][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.026685][T16070] netlink_unicast+0x449/0x710 [ 1982.026685][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.026685][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.026685][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.026685][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.026685][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.026685][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.026685][T16070] [ 1982.029298][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.029298][T16070] netdev_get_by_index+0x5e/0x80 [ 1982.029298][T16070] fib6_nh_init+0x3d8/0x1580 [ 1982.029298][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1982.029298][T16070] ip6_route_add+0x1c/0x140 [ 1982.029298][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1982.029298][T16070] addrconf_add_dev+0xe2/0x170 [ 1982.029298][T16070] inet6_addr_add+0x12f/0xa40 [ 1982.029298][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1982.029298][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.029298][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.029298][T16070] netlink_unicast+0x449/0x710 [ 1982.029298][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.029298][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.029298][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.029298][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.029298][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.029298][T16070] [ 1982.031866][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.031866][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1982.031866][T16070] ipv6_find_idev+0x102/0x170 [ 1982.031866][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.031866][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.031866][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.031866][T16070] netlink_unicast+0x449/0x710 [ 1982.031866][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.031866][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.031866][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.031866][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.031866][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.031866][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.031866][T16070] [ 1982.033847][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1982.033847][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1982.033847][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1982.033847][T16070] ipv6_find_idev+0x102/0x170 [ 1982.033847][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1982.033847][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1982.033847][T16070] netlink_rcv_skb+0x130/0x360 [ 1982.033847][T16070] netlink_unicast+0x449/0x710 [ 1982.033847][T16070] netlink_sendmsg+0x723/0xbe0 [ 1982.033847][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1982.033847][T16070] ___sys_sendmsg+0xee/0x170 [ 1982.033847][T16070] __sys_sendmsg+0xcd/0x170 [ 1982.033847][T16070] do_syscall_64+0xc6/0x1e0 [ 1982.033847][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1982.033847][T16070] [ 1990.296930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 1990.297347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.297347][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.297347][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.297347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.297347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1990.297347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.297347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1990.297347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.297347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1990.297347][ T74] addrconf_dad_begin+0x310/0x670 [ 1990.297347][ T74] addrconf_dad_work+0x10b/0xab0 [ 1990.297347][ T74] process_one_work+0x84d/0x18a0 [ 1990.297347][ T74] worker_thread+0x587/0xd30 [ 1990.297347][ T74] kthread+0x28a/0x350 [ 1990.297347][ T74] ret_from_fork+0x31/0x70 [ 1990.297347][ T74] ret_from_fork_asm+0x1a/0x30 [ 1990.297347][ T74] [ 1990.299692][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.299692][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.299692][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.299692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.299692][ T74] ip6_route_add+0x1c/0x140 [ 1990.299692][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1990.299692][ T74] inet6_addr_add+0x4f8/0xa40 [ 1990.299692][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.299692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.299692][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.299692][ T74] netlink_unicast+0x449/0x710 [ 1990.299692][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.299692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.299692][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.299692][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.299692][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.299692][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.299692][ T74] [ 1990.302120][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.302120][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.302120][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.302120][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.302120][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1990.302120][ T74] ipv6_add_addr+0x411/0x2000 [ 1990.302120][ T74] inet6_addr_add+0x30e/0xa40 [ 1990.302120][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.302120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.302120][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.302120][ T74] netlink_unicast+0x449/0x710 [ 1990.302120][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.302120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.302120][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.302120][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.302120][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.302120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.302120][ T74] [ 1990.304551][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.304551][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.304551][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.304551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.304551][ T74] ip6_route_add+0x1c/0x140 [ 1990.304551][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.304551][ T74] addrconf_add_dev+0xe2/0x170 [ 1990.304551][ T74] inet6_addr_add+0x12f/0xa40 [ 1990.304551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.304551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.304551][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.304551][ T74] netlink_unicast+0x449/0x710 [ 1990.304551][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.304551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.304551][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.304551][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.304551][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.304551][ T74] [ 1990.306930][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.306930][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1990.306930][ T74] ipv6_find_idev+0x102/0x170 [ 1990.306930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.306930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.306930][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.306930][ T74] netlink_unicast+0x449/0x710 [ 1990.306930][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.306930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.306930][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.306930][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.306930][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.306930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.306930][ T74] [ 1990.308782][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 1990.308782][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1990.308782][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1990.308782][ T74] ipv6_find_idev+0x102/0x170 [ 1990.308782][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.308782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.308782][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.308782][ T74] netlink_unicast+0x449/0x710 [ 1990.308782][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.308782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.308782][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.308782][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.308782][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.308782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.308782][ T74] [ 1990.310831][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 1990.311110][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.311110][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.311110][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.311110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.311110][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1990.311110][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.311110][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1990.311110][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.311110][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1990.311110][ T74] addrconf_dad_begin+0x310/0x670 [ 1990.311110][ T74] addrconf_dad_work+0x10b/0xab0 [ 1990.311110][ T74] process_one_work+0x84d/0x18a0 [ 1990.311110][ T74] worker_thread+0x587/0xd30 [ 1990.311110][ T74] kthread+0x28a/0x350 [ 1990.311110][ T74] ret_from_fork+0x31/0x70 [ 1990.311110][ T74] ret_from_fork_asm+0x1a/0x30 [ 1990.311110][ T74] [ 1990.313430][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.313430][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.313430][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.313430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.313430][ T74] ip6_route_add+0x1c/0x140 [ 1990.313430][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1990.313430][ T74] inet6_addr_add+0x4f8/0xa40 [ 1990.313430][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.313430][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.313430][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.313430][ T74] netlink_unicast+0x449/0x710 [ 1990.313430][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.313430][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.313430][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.313430][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.313430][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.313430][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.313430][ T74] [ 1990.315889][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.315889][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.315889][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.315889][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.315889][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1990.315889][ T74] ipv6_add_addr+0x411/0x2000 [ 1990.315889][ T74] inet6_addr_add+0x30e/0xa40 [ 1990.315889][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.315889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.315889][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.315889][ T74] netlink_unicast+0x449/0x710 [ 1990.315889][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.315889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.315889][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.315889][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.315889][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.315889][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.315889][ T74] [ 1990.318139][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.318139][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.318139][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.318139][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.318139][ T74] ip6_route_add+0x1c/0x140 [ 1990.318139][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.318139][ T74] addrconf_add_dev+0xe2/0x170 [ 1990.318139][ T74] inet6_addr_add+0x12f/0xa40 [ 1990.318139][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.318139][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.318139][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.318139][ T74] netlink_unicast+0x449/0x710 [ 1990.318139][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.318139][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.318139][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.318139][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.318139][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.318139][ T74] [ 1990.320350][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.320350][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1990.320350][ T74] ipv6_find_idev+0x102/0x170 [ 1990.320350][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.320350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.320350][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.320350][ T74] netlink_unicast+0x449/0x710 [ 1990.320350][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.320350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.320350][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.320350][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.320350][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.320350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.320350][ T74] [ 1990.322079][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 1990.322079][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1990.322079][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1990.322079][ T74] ipv6_find_idev+0x102/0x170 [ 1990.322079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.322079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.322079][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.322079][ T74] netlink_unicast+0x449/0x710 [ 1990.322079][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.322079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.322079][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.322079][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.322079][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.322079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.322079][ T74] [ 1990.324065][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 1990.324351][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.324351][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.324351][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.324351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.324351][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1990.324351][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.324351][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1990.324351][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.324351][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1990.324351][ T74] addrconf_dad_begin+0x310/0x670 [ 1990.324351][ T74] addrconf_dad_work+0x10b/0xab0 [ 1990.324351][ T74] process_one_work+0x84d/0x18a0 [ 1990.324351][ T74] worker_thread+0x587/0xd30 [ 1990.324351][ T74] kthread+0x28a/0x350 [ 1990.324351][ T74] ret_from_fork+0x31/0x70 [ 1990.324351][ T74] ret_from_fork_asm+0x1a/0x30 [ 1990.324351][ T74] [ 1990.326652][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.326652][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.326652][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.326652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.326652][ T74] ip6_route_add+0x1c/0x140 [ 1990.326652][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1990.326652][ T74] inet6_addr_add+0x4f8/0xa40 [ 1990.326652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.326652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.326652][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.326652][ T74] netlink_unicast+0x449/0x710 [ 1990.326652][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.326652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.326652][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.326652][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.326652][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.326652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.326652][ T74] [ 1990.329234][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.329234][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.329234][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.329234][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.329234][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1990.329234][ T74] ipv6_add_addr+0x411/0x2000 [ 1990.329234][ T74] inet6_addr_add+0x30e/0xa40 [ 1990.329234][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.329234][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.329234][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.329234][ T74] netlink_unicast+0x449/0x710 [ 1990.329234][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.329234][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.329234][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.329234][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.329234][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.329234][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.329234][ T74] [ 1990.331865][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.331865][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.331865][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.331865][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.331865][ T74] ip6_route_add+0x1c/0x140 [ 1990.331865][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.331865][ T74] addrconf_add_dev+0xe2/0x170 [ 1990.331865][ T74] inet6_addr_add+0x12f/0xa40 [ 1990.331865][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.331865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.331865][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.331865][ T74] netlink_unicast+0x449/0x710 [ 1990.331865][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.331865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.331865][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.331865][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.331865][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.331865][ T74] [ 1990.334534][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.334534][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1990.334534][ T74] ipv6_find_idev+0x102/0x170 [ 1990.334534][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.334534][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.334534][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.334534][ T74] netlink_unicast+0x449/0x710 [ 1990.334534][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.334534][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.334534][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.334534][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.334534][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.334534][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.334534][ T74] [ 1990.336561][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 1990.336561][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1990.336561][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1990.336561][ T74] ipv6_find_idev+0x102/0x170 [ 1990.336561][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.336561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.336561][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.336561][ T74] netlink_unicast+0x449/0x710 [ 1990.336561][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.336561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.336561][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.336561][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.336561][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.336561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.336561][ T74] [ 1990.338761][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 1990.339540][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.339540][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.339540][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.339540][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.339540][ T74] addrconf_f6i_alloc+0x265/0x560 [ 1990.339540][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 1990.339540][ T74] addrconf_join_anycast+0x1c0/0x220 [ 1990.339540][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 1990.339540][ T74] addrconf_dad_completed+0x12b/0xe20 [ 1990.339540][ T74] addrconf_dad_begin+0x310/0x670 [ 1990.339540][ T74] addrconf_dad_work+0x10b/0xab0 [ 1990.339540][ T74] process_one_work+0x84d/0x18a0 [ 1990.339540][ T74] worker_thread+0x587/0xd30 [ 1990.339540][ T74] kthread+0x28a/0x350 [ 1990.339540][ T74] ret_from_fork+0x31/0x70 [ 1990.339540][ T74] ret_from_fork_asm+0x1a/0x30 [ 1990.339540][ T74] [ 1990.341833][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.341833][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.341833][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.341833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.341833][ T74] ip6_route_add+0x1c/0x140 [ 1990.341833][ T74] addrconf_prefix_route+0x2a6/0x430 [ 1990.341833][ T74] inet6_addr_add+0x4f8/0xa40 [ 1990.341833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.341833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.341833][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.341833][ T74] netlink_unicast+0x449/0x710 [ 1990.341833][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.341833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.341833][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.341833][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.341833][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.341833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.341833][ T74] [ 1990.344324][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.344324][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.344324][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.344324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.344324][ T74] addrconf_f6i_alloc+0x315/0x560 [ 1990.344324][ T74] ipv6_add_addr+0x411/0x2000 [ 1990.344324][ T74] inet6_addr_add+0x30e/0xa40 [ 1990.344324][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.344324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.344324][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.344324][ T74] netlink_unicast+0x449/0x710 [ 1990.344324][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.344324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.344324][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.344324][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.344324][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.344324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.344324][ T74] [ 1990.346962][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.346962][ T74] netdev_get_by_index+0x5e/0x80 [ 1990.346962][ T74] fib6_nh_init+0x3d8/0x1580 [ 1990.346962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 1990.346962][ T74] ip6_route_add+0x1c/0x140 [ 1990.346962][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 1990.346962][ T74] addrconf_add_dev+0xe2/0x170 [ 1990.346962][ T74] inet6_addr_add+0x12f/0xa40 [ 1990.346962][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 1990.346962][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.346962][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.346962][ T74] netlink_unicast+0x449/0x710 [ 1990.346962][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.346962][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.346962][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.346962][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.346962][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.346962][ T74] [ 1990.349633][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.349633][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 1990.349633][ T74] ipv6_find_idev+0x102/0x170 [ 1990.349633][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.349633][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.349633][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.349633][ T74] netlink_unicast+0x449/0x710 [ 1990.349633][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.349633][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.349633][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.349633][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.349633][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.349633][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.349633][ T74] [ 1990.351672][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 1990.351672][ T74] neigh_parms_alloc+0x1e5/0x510 [ 1990.351672][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 1990.351672][ T74] ipv6_find_idev+0x102/0x170 [ 1990.351672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 1990.351672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1990.351672][ T74] netlink_rcv_skb+0x130/0x360 [ 1990.351672][ T74] netlink_unicast+0x449/0x710 [ 1990.351672][ T74] netlink_sendmsg+0x723/0xbe0 [ 1990.351672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 1990.351672][ T74] ___sys_sendmsg+0xee/0x170 [ 1990.351672][ T74] __sys_sendmsg+0xcd/0x170 [ 1990.351672][ T74] do_syscall_64+0xc6/0x1e0 [ 1990.351672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1990.351672][ T74] [ 1992.272942][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 1992.273360][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1992.273360][T16070] dst_init+0x84/0x4a0 [ 1992.273360][T16070] dst_alloc+0x97/0x150 [ 1992.273360][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.273360][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.273360][T16070] ip6_pol_route+0x56f/0x840 [ 1992.273360][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1992.273360][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1992.273360][T16070] fib6_rule_lookup+0x182/0x630 [ 1992.273360][T16070] ip6_route_output_flags+0x259/0x480 [ 1992.273360][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1992.273360][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1992.273360][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 1992.273360][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 1992.273360][T16070] ip6_datagram_connect+0x2c/0x50 [ 1992.273360][T16070] __sys_connect+0x217/0x2a0 [ 1992.273360][T16070] __x64_sys_connect+0x72/0xb0 [ 1992.273360][T16070] [ 1992.275857][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 1992.275857][T16070] dst_init+0x84/0x4a0 [ 1992.275857][T16070] dst_alloc+0x97/0x150 [ 1992.275857][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.275857][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.275857][T16070] ip6_pol_route+0x56f/0x840 [ 1992.275857][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 1992.275857][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1992.275857][T16070] fib6_rule_lookup+0x182/0x630 [ 1992.275857][T16070] ip6_route_output_flags+0x259/0x480 [ 1992.275857][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 1992.275857][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1992.275857][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 1992.275857][T16070] __inet_stream_connect+0x272/0x9f0 [ 1992.275857][T16070] inet_stream_connect+0x57/0xa0 [ 1992.275857][T16070] __sys_connect+0x217/0x2a0 [ 1992.275857][T16070] __x64_sys_connect+0x72/0xb0 [ 1992.275857][T16070] [ 1992.278291][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.278291][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 1992.278291][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 1992.278291][T16070] fib6_nh_init+0xa22/0x1580 [ 1992.278291][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.278291][T16070] ip6_route_add+0x1c/0x140 [ 1992.278291][T16070] inet6_rtm_newroute+0x104/0x110 [ 1992.278291][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.278291][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.278291][T16070] netlink_unicast+0x449/0x710 [ 1992.278291][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.278291][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.278291][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.278291][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.278291][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.278291][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.278291][T16070] [ 1992.280570][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.280570][T16070] dst_init+0x84/0x4a0 [ 1992.280570][T16070] dst_alloc+0x97/0x150 [ 1992.280570][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.280570][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.280570][T16070] ip6_pol_route+0x56f/0x840 [ 1992.280570][T16070] __fib6_rule_action+0x47a/0x5b0 [ 1992.280570][T16070] fib_rules_lookup+0x2b4/0xa20 [ 1992.280570][T16070] fib6_rule_lookup+0x182/0x630 [ 1992.280570][T16070] ip6_route_input+0x59c/0xa50 [ 1992.280570][T16070] ipv6_rcv+0x397/0x810 [ 1992.280570][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1992.280570][T16070] process_backlog+0x101/0x620 [ 1992.280570][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1992.280570][T16070] net_rx_action+0x495/0xbe0 [ 1992.280570][T16070] __do_softirq+0x1b5/0x7f6 [ 1992.280570][T16070] [ 1992.282833][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.282833][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.282833][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.282833][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.282833][T16070] ip6_route_add+0x1c/0x140 [ 1992.282833][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1992.282833][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1992.282833][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1992.282833][T16070] addrconf_dad_begin+0x310/0x670 [ 1992.282833][T16070] addrconf_dad_work+0x10b/0xab0 [ 1992.282833][T16070] process_one_work+0x84d/0x18a0 [ 1992.282833][T16070] worker_thread+0x587/0xd30 [ 1992.282833][T16070] kthread+0x28a/0x350 [ 1992.282833][T16070] ret_from_fork+0x31/0x70 [ 1992.282833][T16070] ret_from_fork_asm+0x1a/0x30 [ 1992.282833][T16070] [ 1992.285005][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.285005][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.285005][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.285005][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.285005][T16070] ip6_route_add+0x1c/0x140 [ 1992.285005][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1992.285005][T16070] inet6_addr_add+0x4f8/0xa40 [ 1992.285005][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.285005][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.285005][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.285005][T16070] netlink_unicast+0x449/0x710 [ 1992.285005][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.285005][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.285005][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.285005][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.285005][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.285005][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.285005][T16070] [ 1992.287437][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.287437][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.287437][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.287437][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.287437][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1992.287437][T16070] ipv6_add_addr+0x411/0x2000 [ 1992.287437][T16070] inet6_addr_add+0x30e/0xa40 [ 1992.287437][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.287437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.287437][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.287437][T16070] netlink_unicast+0x449/0x710 [ 1992.287437][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.287437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.287437][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.287437][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.287437][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.287437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.287437][T16070] [ 1992.289866][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.289866][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.289866][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.289866][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.289866][T16070] ip6_route_add+0x1c/0x140 [ 1992.289866][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.289866][T16070] addrconf_add_dev+0xe2/0x170 [ 1992.289866][T16070] inet6_addr_add+0x12f/0xa40 [ 1992.289866][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.289866][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.289866][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.289866][T16070] netlink_unicast+0x449/0x710 [ 1992.289866][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.289866][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.289866][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.289866][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.289866][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.289866][T16070] [ 1992.292266][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.292266][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1992.292266][T16070] ipv6_find_idev+0x102/0x170 [ 1992.292266][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.292266][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.292266][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.292266][T16070] netlink_unicast+0x449/0x710 [ 1992.292266][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.292266][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.292266][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.292266][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.292266][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.292266][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.292266][T16070] [ 1992.294134][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 1992.294134][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1992.294134][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1992.294134][T16070] ipv6_find_idev+0x102/0x170 [ 1992.294134][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.294134][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.294134][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.294134][T16070] netlink_unicast+0x449/0x710 [ 1992.294134][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.294134][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.294134][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.294134][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.294134][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.294134][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.294134][T16070] [ 1992.296182][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 1992.296502][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 1992.296502][T16070] dst_init+0x84/0x4a0 [ 1992.296502][T16070] dst_alloc+0x97/0x150 [ 1992.296502][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.296502][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.296502][T16070] ip6_pol_route+0x56f/0x840 [ 1992.296502][T16070] fib6_rule_lookup+0x334/0x630 [ 1992.296502][T16070] ip6_route_output_flags+0x259/0x480 [ 1992.296502][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1992.296502][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1992.296502][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 1992.296502][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 1992.296502][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 1992.296502][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.296502][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.296502][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.296502][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.296502][T16070] [ 1992.298934][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.298934][T16070] dst_init+0x84/0x4a0 [ 1992.298934][T16070] dst_alloc+0x97/0x150 [ 1992.298934][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.298934][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.298934][T16070] ip6_pol_route+0x56f/0x840 [ 1992.298934][T16070] fib6_rule_lookup+0x334/0x630 [ 1992.298934][T16070] ip6_route_output_flags+0x259/0x480 [ 1992.298934][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 1992.298934][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 1992.298934][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 1992.298934][T16070] tcp_conn_request+0xa87/0x2dd0 [ 1992.298934][T16070] tcp_rcv_state_process+0x453/0x2120 [ 1992.298934][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 1992.298934][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 1992.298934][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 1992.298934][T16070] ip6_input_finish+0x120/0x260 [ 1992.298934][T16070] [ 1992.301393][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.301393][T16070] dst_init+0x84/0x4a0 [ 1992.301393][T16070] dst_alloc+0x97/0x150 [ 1992.301393][T16070] ip6_dst_alloc+0x23/0x90 [ 1992.301393][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 1992.301393][T16070] ip6_pol_route+0x56f/0x840 [ 1992.301393][T16070] fib6_rule_lookup+0x456/0x630 [ 1992.301393][T16070] ip6_route_input+0x59c/0xa50 [ 1992.301393][T16070] ipv6_rcv+0x397/0x810 [ 1992.301393][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 1992.301393][T16070] process_backlog+0x101/0x620 [ 1992.301393][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 1992.301393][T16070] net_rx_action+0x495/0xbe0 [ 1992.301393][T16070] __do_softirq+0x1b5/0x7f6 [ 1992.301393][T16070] [ 1992.303386][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.303386][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.303386][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.303386][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.303386][T16070] ip6_route_add+0x1c/0x140 [ 1992.303386][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1992.303386][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 1992.303386][T16070] addrconf_dad_completed+0x12b/0xe20 [ 1992.303386][T16070] addrconf_dad_begin+0x310/0x670 [ 1992.303386][T16070] addrconf_dad_work+0x10b/0xab0 [ 1992.303386][T16070] process_one_work+0x84d/0x18a0 [ 1992.303386][T16070] worker_thread+0x587/0xd30 [ 1992.303386][T16070] kthread+0x28a/0x350 [ 1992.303386][T16070] ret_from_fork+0x31/0x70 [ 1992.303386][T16070] ret_from_fork_asm+0x1a/0x30 [ 1992.303386][T16070] [ 1992.305791][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.305791][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.305791][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.305791][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.305791][T16070] ip6_route_add+0x1c/0x140 [ 1992.305791][T16070] addrconf_prefix_route+0x2a6/0x430 [ 1992.305791][T16070] inet6_addr_add+0x4f8/0xa40 [ 1992.305791][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.305791][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.305791][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.305791][T16070] netlink_unicast+0x449/0x710 [ 1992.305791][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.305791][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.305791][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.305791][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.305791][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.305791][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.305791][T16070] [ 1992.308526][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.308526][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.308526][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.308526][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.308526][T16070] addrconf_f6i_alloc+0x315/0x560 [ 1992.308526][T16070] ipv6_add_addr+0x411/0x2000 [ 1992.308526][T16070] inet6_addr_add+0x30e/0xa40 [ 1992.308526][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.308526][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.308526][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.308526][T16070] netlink_unicast+0x449/0x710 [ 1992.308526][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.308526][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.308526][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.308526][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.308526][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.308526][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.308526][T16070] [ 1992.311319][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.311319][T16070] netdev_get_by_index+0x5e/0x80 [ 1992.311319][T16070] fib6_nh_init+0x3d8/0x1580 [ 1992.311319][T16070] ip6_route_info_create+0xf18/0x17d0 [ 1992.311319][T16070] ip6_route_add+0x1c/0x140 [ 1992.311319][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 1992.311319][T16070] addrconf_add_dev+0xe2/0x170 [ 1992.311319][T16070] inet6_addr_add+0x12f/0xa40 [ 1992.311319][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 1992.311319][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.311319][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.311319][T16070] netlink_unicast+0x449/0x710 [ 1992.311319][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.311319][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.311319][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.311319][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.311319][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.311319][T16070] [ 1992.314019][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.314019][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 1992.314019][T16070] ipv6_find_idev+0x102/0x170 [ 1992.314019][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.314019][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.314019][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.314019][T16070] netlink_unicast+0x449/0x710 [ 1992.314019][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.314019][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.314019][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.314019][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.314019][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.314019][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.314019][T16070] [ 1992.316029][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 1992.316029][T16070] neigh_parms_alloc+0x1e5/0x510 [ 1992.316029][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 1992.316029][T16070] ipv6_find_idev+0x102/0x170 [ 1992.316029][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 1992.316029][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 1992.316029][T16070] netlink_rcv_skb+0x130/0x360 [ 1992.316029][T16070] netlink_unicast+0x449/0x710 [ 1992.316029][T16070] netlink_sendmsg+0x723/0xbe0 [ 1992.316029][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 1992.316029][T16070] ___sys_sendmsg+0xee/0x170 [ 1992.316029][T16070] __sys_sendmsg+0xcd/0x170 [ 1992.316029][T16070] do_syscall_64+0xc6/0x1e0 [ 1992.316029][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 1992.316029][T16070] [ 2000.472915][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2000.473316][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.473316][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.473316][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.473316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.473316][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2000.473316][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2000.473316][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2000.473316][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2000.473316][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2000.473316][ T74] addrconf_dad_begin+0x310/0x670 [ 2000.473316][ T74] addrconf_dad_work+0x10b/0xab0 [ 2000.473316][ T74] process_one_work+0x84d/0x18a0 [ 2000.473316][ T74] worker_thread+0x587/0xd30 [ 2000.473316][ T74] kthread+0x28a/0x350 [ 2000.473316][ T74] ret_from_fork+0x31/0x70 [ 2000.473316][ T74] ret_from_fork_asm+0x1a/0x30 [ 2000.473316][ T74] [ 2000.475454][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.475454][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.475454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.475454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.475454][ T74] ip6_route_add+0x1c/0x140 [ 2000.475454][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2000.475454][ T74] inet6_addr_add+0x4f8/0xa40 [ 2000.475454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.475454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.475454][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.475454][ T74] netlink_unicast+0x449/0x710 [ 2000.475454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.475454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.475454][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.475454][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.475454][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.475454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.475454][ T74] [ 2000.477638][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.477638][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.477638][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.477638][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.477638][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2000.477638][ T74] ipv6_add_addr+0x411/0x2000 [ 2000.477638][ T74] inet6_addr_add+0x30e/0xa40 [ 2000.477638][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.477638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.477638][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.477638][ T74] netlink_unicast+0x449/0x710 [ 2000.477638][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.477638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.477638][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.477638][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.477638][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.477638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.477638][ T74] [ 2000.479829][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.479829][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.479829][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.479829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.479829][ T74] ip6_route_add+0x1c/0x140 [ 2000.479829][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2000.479829][ T74] addrconf_add_dev+0xe2/0x170 [ 2000.479829][ T74] inet6_addr_add+0x12f/0xa40 [ 2000.479829][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.479829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.479829][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.479829][ T74] netlink_unicast+0x449/0x710 [ 2000.479829][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.479829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.479829][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.479829][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.479829][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.479829][ T74] [ 2000.481988][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.481988][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2000.481988][ T74] ipv6_find_idev+0x102/0x170 [ 2000.481988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.481988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.481988][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.481988][ T74] netlink_unicast+0x449/0x710 [ 2000.481988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.481988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.481988][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.481988][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.481988][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.481988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.481988][ T74] [ 2000.483696][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2000.483696][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2000.483696][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2000.483696][ T74] ipv6_find_idev+0x102/0x170 [ 2000.483696][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.483696][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.483696][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.483696][ T74] netlink_unicast+0x449/0x710 [ 2000.483696][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.483696][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.483696][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.483696][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.483696][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.483696][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.483696][ T74] [ 2000.485561][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2000.485829][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.485829][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.485829][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.485829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.485829][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2000.485829][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2000.485829][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2000.485829][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2000.485829][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2000.485829][ T74] addrconf_dad_begin+0x310/0x670 [ 2000.485829][ T74] addrconf_dad_work+0x10b/0xab0 [ 2000.485829][ T74] process_one_work+0x84d/0x18a0 [ 2000.485829][ T74] worker_thread+0x587/0xd30 [ 2000.485829][ T74] kthread+0x28a/0x350 [ 2000.485829][ T74] ret_from_fork+0x31/0x70 [ 2000.485829][ T74] ret_from_fork_asm+0x1a/0x30 [ 2000.485829][ T74] [ 2000.487928][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.487928][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.487928][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.487928][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.487928][ T74] ip6_route_add+0x1c/0x140 [ 2000.487928][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2000.487928][ T74] inet6_addr_add+0x4f8/0xa40 [ 2000.487928][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.487928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.487928][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.487928][ T74] netlink_unicast+0x449/0x710 [ 2000.487928][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.487928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.487928][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.487928][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.487928][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.487928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.487928][ T74] [ 2000.490116][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.490116][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.490116][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.490116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.490116][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2000.490116][ T74] ipv6_add_addr+0x411/0x2000 [ 2000.490116][ T74] inet6_addr_add+0x30e/0xa40 [ 2000.490116][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.490116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.490116][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.490116][ T74] netlink_unicast+0x449/0x710 [ 2000.490116][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.490116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.490116][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.490116][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.490116][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.490116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.490116][ T74] [ 2000.492319][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.492319][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.492319][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.492319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.492319][ T74] ip6_route_add+0x1c/0x140 [ 2000.492319][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2000.492319][ T74] addrconf_add_dev+0xe2/0x170 [ 2000.492319][ T74] inet6_addr_add+0x12f/0xa40 [ 2000.492319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.492319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.492319][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.492319][ T74] netlink_unicast+0x449/0x710 [ 2000.492319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.492319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.492319][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.492319][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.492319][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.492319][ T74] [ 2000.494476][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.494476][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2000.494476][ T74] ipv6_find_idev+0x102/0x170 [ 2000.494476][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.494476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.494476][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.494476][ T74] netlink_unicast+0x449/0x710 [ 2000.494476][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.494476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.494476][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.494476][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.494476][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.494476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.494476][ T74] [ 2000.496170][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2000.496170][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2000.496170][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2000.496170][ T74] ipv6_find_idev+0x102/0x170 [ 2000.496170][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.496170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.496170][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.496170][ T74] netlink_unicast+0x449/0x710 [ 2000.496170][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.496170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.496170][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.496170][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.496170][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.496170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.496170][ T74] [ 2000.498011][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2000.498267][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.498267][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.498267][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.498267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.498267][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2000.498267][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2000.498267][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2000.498267][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2000.498267][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2000.498267][ T74] addrconf_dad_begin+0x310/0x670 [ 2000.498267][ T74] addrconf_dad_work+0x10b/0xab0 [ 2000.498267][ T74] process_one_work+0x84d/0x18a0 [ 2000.498267][ T74] worker_thread+0x587/0xd30 [ 2000.498267][ T74] kthread+0x28a/0x350 [ 2000.498267][ T74] ret_from_fork+0x31/0x70 [ 2000.498267][ T74] ret_from_fork_asm+0x1a/0x30 [ 2000.498267][ T74] [ 2000.500365][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.500365][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.500365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.500365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.500365][ T74] ip6_route_add+0x1c/0x140 [ 2000.500365][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2000.500365][ T74] inet6_addr_add+0x4f8/0xa40 [ 2000.500365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.500365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.500365][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.500365][ T74] netlink_unicast+0x449/0x710 [ 2000.500365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.500365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.500365][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.500365][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.500365][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.500365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.500365][ T74] [ 2000.502860][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.502860][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.502860][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.502860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.502860][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2000.502860][ T74] ipv6_add_addr+0x411/0x2000 [ 2000.502860][ T74] inet6_addr_add+0x30e/0xa40 [ 2000.502860][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.502860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.502860][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.502860][ T74] netlink_unicast+0x449/0x710 [ 2000.502860][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.502860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.502860][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.502860][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.502860][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.502860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.502860][ T74] [ 2000.505288][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.505288][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.505288][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.505288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.505288][ T74] ip6_route_add+0x1c/0x140 [ 2000.505288][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2000.505288][ T74] addrconf_add_dev+0xe2/0x170 [ 2000.505288][ T74] inet6_addr_add+0x12f/0xa40 [ 2000.505288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.505288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.505288][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.505288][ T74] netlink_unicast+0x449/0x710 [ 2000.505288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.505288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.505288][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.505288][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.505288][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.505288][ T74] [ 2000.507612][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.507612][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2000.507612][ T74] ipv6_find_idev+0x102/0x170 [ 2000.507612][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.507612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.507612][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.507612][ T74] netlink_unicast+0x449/0x710 [ 2000.507612][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.507612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.507612][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.507612][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.507612][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.507612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.507612][ T74] [ 2000.509472][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2000.509472][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2000.509472][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2000.509472][ T74] ipv6_find_idev+0x102/0x170 [ 2000.509472][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.509472][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.509472][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.509472][ T74] netlink_unicast+0x449/0x710 [ 2000.509472][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.509472][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.509472][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.509472][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.509472][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.509472][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.509472][ T74] [ 2000.511545][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2000.511800][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.511800][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.511800][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.511800][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.511800][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2000.511800][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2000.511800][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2000.511800][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2000.511800][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2000.511800][ T74] addrconf_dad_begin+0x310/0x670 [ 2000.511800][ T74] addrconf_dad_work+0x10b/0xab0 [ 2000.511800][ T74] process_one_work+0x84d/0x18a0 [ 2000.511800][ T74] worker_thread+0x587/0xd30 [ 2000.511800][ T74] kthread+0x28a/0x350 [ 2000.511800][ T74] ret_from_fork+0x31/0x70 [ 2000.511800][ T74] ret_from_fork_asm+0x1a/0x30 [ 2000.511800][ T74] [ 2000.514198][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.514198][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.514198][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.514198][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.514198][ T74] ip6_route_add+0x1c/0x140 [ 2000.514198][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2000.514198][ T74] inet6_addr_add+0x4f8/0xa40 [ 2000.514198][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.514198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.514198][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.514198][ T74] netlink_unicast+0x449/0x710 [ 2000.514198][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.514198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.514198][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.514198][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.514198][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.514198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.514198][ T74] [ 2000.516561][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.516561][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.516561][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.516561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.516561][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2000.516561][ T74] ipv6_add_addr+0x411/0x2000 [ 2000.516561][ T74] inet6_addr_add+0x30e/0xa40 [ 2000.516561][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.516561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.516561][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.516561][ T74] netlink_unicast+0x449/0x710 [ 2000.516561][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.516561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.516561][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.516561][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.516561][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.516561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.516561][ T74] [ 2000.518991][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.518991][ T74] netdev_get_by_index+0x5e/0x80 [ 2000.518991][ T74] fib6_nh_init+0x3d8/0x1580 [ 2000.518991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2000.518991][ T74] ip6_route_add+0x1c/0x140 [ 2000.518991][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2000.518991][ T74] addrconf_add_dev+0xe2/0x170 [ 2000.518991][ T74] inet6_addr_add+0x12f/0xa40 [ 2000.518991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2000.518991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.518991][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.518991][ T74] netlink_unicast+0x449/0x710 [ 2000.518991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.518991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.518991][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.518991][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.518991][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.518991][ T74] [ 2000.521385][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.521385][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2000.521385][ T74] ipv6_find_idev+0x102/0x170 [ 2000.521385][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.521385][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.521385][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.521385][ T74] netlink_unicast+0x449/0x710 [ 2000.521385][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.521385][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.521385][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.521385][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.521385][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.521385][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.521385][ T74] [ 2000.523315][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2000.523315][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2000.523315][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2000.523315][ T74] ipv6_find_idev+0x102/0x170 [ 2000.523315][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2000.523315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2000.523315][ T74] netlink_rcv_skb+0x130/0x360 [ 2000.523315][ T74] netlink_unicast+0x449/0x710 [ 2000.523315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2000.523315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2000.523315][ T74] ___sys_sendmsg+0xee/0x170 [ 2000.523315][ T74] __sys_sendmsg+0xcd/0x170 [ 2000.523315][ T74] do_syscall_64+0xc6/0x1e0 [ 2000.523315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2000.523315][ T74] [ 2002.520995][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2002.521405][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2002.521405][T16070] dst_init+0x84/0x4a0 [ 2002.521405][T16070] dst_alloc+0x97/0x150 [ 2002.521405][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.521405][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.521405][T16070] ip6_pol_route+0x56f/0x840 [ 2002.521405][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2002.521405][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2002.521405][T16070] fib6_rule_lookup+0x182/0x630 [ 2002.521405][T16070] ip6_route_output_flags+0x259/0x480 [ 2002.521405][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2002.521405][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2002.521405][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2002.521405][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2002.521405][T16070] ip6_datagram_connect+0x2c/0x50 [ 2002.521405][T16070] __sys_connect+0x217/0x2a0 [ 2002.521405][T16070] __x64_sys_connect+0x72/0xb0 [ 2002.521405][T16070] [ 2002.523915][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2002.523915][T16070] dst_init+0x84/0x4a0 [ 2002.523915][T16070] dst_alloc+0x97/0x150 [ 2002.523915][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.523915][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.523915][T16070] ip6_pol_route+0x56f/0x840 [ 2002.523915][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2002.523915][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2002.523915][T16070] fib6_rule_lookup+0x182/0x630 [ 2002.523915][T16070] ip6_route_output_flags+0x259/0x480 [ 2002.523915][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2002.523915][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2002.523915][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2002.523915][T16070] __inet_stream_connect+0x272/0x9f0 [ 2002.523915][T16070] inet_stream_connect+0x57/0xa0 [ 2002.523915][T16070] __sys_connect+0x217/0x2a0 [ 2002.523915][T16070] __x64_sys_connect+0x72/0xb0 [ 2002.523915][T16070] [ 2002.526363][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.526363][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2002.526363][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2002.526363][T16070] fib6_nh_init+0xa22/0x1580 [ 2002.526363][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.526363][T16070] ip6_route_add+0x1c/0x140 [ 2002.526363][T16070] inet6_rtm_newroute+0x104/0x110 [ 2002.526363][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.526363][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.526363][T16070] netlink_unicast+0x449/0x710 [ 2002.526363][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.526363][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.526363][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.526363][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.526363][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.526363][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.526363][T16070] [ 2002.528643][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.528643][T16070] dst_init+0x84/0x4a0 [ 2002.528643][T16070] dst_alloc+0x97/0x150 [ 2002.528643][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.528643][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.528643][T16070] ip6_pol_route+0x56f/0x840 [ 2002.528643][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2002.528643][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2002.528643][T16070] fib6_rule_lookup+0x182/0x630 [ 2002.528643][T16070] ip6_route_input+0x59c/0xa50 [ 2002.528643][T16070] ipv6_rcv+0x397/0x810 [ 2002.528643][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2002.528643][T16070] process_backlog+0x101/0x620 [ 2002.528643][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2002.528643][T16070] net_rx_action+0x495/0xbe0 [ 2002.528643][T16070] __do_softirq+0x1b5/0x7f6 [ 2002.528643][T16070] [ 2002.530896][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.530896][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.530896][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.530896][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.530896][T16070] ip6_route_add+0x1c/0x140 [ 2002.530896][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2002.530896][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2002.530896][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2002.530896][T16070] addrconf_dad_begin+0x310/0x670 [ 2002.530896][T16070] addrconf_dad_work+0x10b/0xab0 [ 2002.530896][T16070] process_one_work+0x84d/0x18a0 [ 2002.530896][T16070] worker_thread+0x587/0xd30 [ 2002.530896][T16070] kthread+0x28a/0x350 [ 2002.530896][T16070] ret_from_fork+0x31/0x70 [ 2002.530896][T16070] ret_from_fork_asm+0x1a/0x30 [ 2002.530896][T16070] [ 2002.533085][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.533085][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.533085][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.533085][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.533085][T16070] ip6_route_add+0x1c/0x140 [ 2002.533085][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2002.533085][T16070] inet6_addr_add+0x4f8/0xa40 [ 2002.533085][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.533085][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.533085][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.533085][T16070] netlink_unicast+0x449/0x710 [ 2002.533085][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.533085][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.533085][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.533085][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.533085][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.533085][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.533085][T16070] [ 2002.535508][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.535508][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.535508][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.535508][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.535508][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2002.535508][T16070] ipv6_add_addr+0x411/0x2000 [ 2002.535508][T16070] inet6_addr_add+0x30e/0xa40 [ 2002.535508][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.535508][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.535508][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.535508][T16070] netlink_unicast+0x449/0x710 [ 2002.535508][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.535508][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.535508][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.535508][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.535508][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.535508][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.535508][T16070] [ 2002.537938][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.537938][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.537938][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.537938][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.537938][T16070] ip6_route_add+0x1c/0x140 [ 2002.537938][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.537938][T16070] addrconf_add_dev+0xe2/0x170 [ 2002.537938][T16070] inet6_addr_add+0x12f/0xa40 [ 2002.537938][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.537938][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.537938][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.537938][T16070] netlink_unicast+0x449/0x710 [ 2002.537938][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.537938][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.537938][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.537938][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.537938][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.537938][T16070] [ 2002.540315][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.540315][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2002.540315][T16070] ipv6_find_idev+0x102/0x170 [ 2002.540315][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.540315][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.540315][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.540315][T16070] netlink_unicast+0x449/0x710 [ 2002.540315][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.540315][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.540315][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.540315][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.540315][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.540315][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.540315][T16070] [ 2002.542184][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2002.542184][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2002.542184][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2002.542184][T16070] ipv6_find_idev+0x102/0x170 [ 2002.542184][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.542184][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.542184][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.542184][T16070] netlink_unicast+0x449/0x710 [ 2002.542184][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.542184][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.542184][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.542184][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.542184][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.542184][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.542184][T16070] [ 2002.544245][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2002.544578][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2002.544578][T16070] dst_init+0x84/0x4a0 [ 2002.544578][T16070] dst_alloc+0x97/0x150 [ 2002.544578][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.544578][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.544578][T16070] ip6_pol_route+0x56f/0x840 [ 2002.544578][T16070] fib6_rule_lookup+0x334/0x630 [ 2002.544578][T16070] ip6_route_output_flags+0x259/0x480 [ 2002.544578][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2002.544578][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2002.544578][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2002.544578][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2002.544578][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2002.544578][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.544578][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.544578][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.544578][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.544578][T16070] [ 2002.546997][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.546997][T16070] dst_init+0x84/0x4a0 [ 2002.546997][T16070] dst_alloc+0x97/0x150 [ 2002.546997][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.546997][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.546997][T16070] ip6_pol_route+0x56f/0x840 [ 2002.546997][T16070] fib6_rule_lookup+0x334/0x630 [ 2002.546997][T16070] ip6_route_output_flags+0x259/0x480 [ 2002.546997][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2002.546997][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2002.546997][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2002.546997][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2002.546997][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2002.546997][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2002.546997][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2002.546997][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2002.546997][T16070] ip6_input_finish+0x120/0x260 [ 2002.546997][T16070] [ 2002.549447][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.549447][T16070] dst_init+0x84/0x4a0 [ 2002.549447][T16070] dst_alloc+0x97/0x150 [ 2002.549447][T16070] ip6_dst_alloc+0x23/0x90 [ 2002.549447][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2002.549447][T16070] ip6_pol_route+0x56f/0x840 [ 2002.549447][T16070] fib6_rule_lookup+0x456/0x630 [ 2002.549447][T16070] ip6_route_input+0x59c/0xa50 [ 2002.549447][T16070] ipv6_rcv+0x397/0x810 [ 2002.549447][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2002.549447][T16070] process_backlog+0x101/0x620 [ 2002.549447][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2002.549447][T16070] net_rx_action+0x495/0xbe0 [ 2002.549447][T16070] __do_softirq+0x1b5/0x7f6 [ 2002.549447][T16070] [ 2002.551417][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.551417][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.551417][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.551417][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.551417][T16070] ip6_route_add+0x1c/0x140 [ 2002.551417][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2002.551417][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2002.551417][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2002.551417][T16070] addrconf_dad_begin+0x310/0x670 [ 2002.551417][T16070] addrconf_dad_work+0x10b/0xab0 [ 2002.551417][T16070] process_one_work+0x84d/0x18a0 [ 2002.551417][T16070] worker_thread+0x587/0xd30 [ 2002.551417][T16070] kthread+0x28a/0x350 [ 2002.551417][T16070] ret_from_fork+0x31/0x70 [ 2002.551417][T16070] ret_from_fork_asm+0x1a/0x30 [ 2002.551417][T16070] [ 2002.553741][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.553741][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.553741][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.553741][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.553741][T16070] ip6_route_add+0x1c/0x140 [ 2002.553741][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2002.553741][T16070] inet6_addr_add+0x4f8/0xa40 [ 2002.553741][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.553741][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.553741][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.553741][T16070] netlink_unicast+0x449/0x710 [ 2002.553741][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.553741][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.553741][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.553741][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.553741][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.553741][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.553741][T16070] [ 2002.556564][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.556564][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.556564][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.556564][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.556564][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2002.556564][T16070] ipv6_add_addr+0x411/0x2000 [ 2002.556564][T16070] inet6_addr_add+0x30e/0xa40 [ 2002.556564][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.556564][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.556564][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.556564][T16070] netlink_unicast+0x449/0x710 [ 2002.556564][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.556564][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.556564][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.556564][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.556564][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.556564][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.556564][T16070] [ 2002.559276][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.559276][T16070] netdev_get_by_index+0x5e/0x80 [ 2002.559276][T16070] fib6_nh_init+0x3d8/0x1580 [ 2002.559276][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2002.559276][T16070] ip6_route_add+0x1c/0x140 [ 2002.559276][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2002.559276][T16070] addrconf_add_dev+0xe2/0x170 [ 2002.559276][T16070] inet6_addr_add+0x12f/0xa40 [ 2002.559276][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2002.559276][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.559276][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.559276][T16070] netlink_unicast+0x449/0x710 [ 2002.559276][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.559276][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.559276][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.559276][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.559276][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.559276][T16070] [ 2002.561945][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.561945][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2002.561945][T16070] ipv6_find_idev+0x102/0x170 [ 2002.561945][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.561945][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.561945][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.561945][T16070] netlink_unicast+0x449/0x710 [ 2002.561945][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.561945][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.561945][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.561945][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.561945][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.561945][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.561945][T16070] [ 2002.564053][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2002.564053][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2002.564053][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2002.564053][T16070] ipv6_find_idev+0x102/0x170 [ 2002.564053][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2002.564053][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2002.564053][T16070] netlink_rcv_skb+0x130/0x360 [ 2002.564053][T16070] netlink_unicast+0x449/0x710 [ 2002.564053][T16070] netlink_sendmsg+0x723/0xbe0 [ 2002.564053][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2002.564053][T16070] ___sys_sendmsg+0xee/0x170 [ 2002.564053][T16070] __sys_sendmsg+0xcd/0x170 [ 2002.564053][T16070] do_syscall_64+0xc6/0x1e0 [ 2002.564053][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2002.564053][T16070] [ 2010.760948][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2010.761391][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.761391][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.761391][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.761391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.761391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2010.761391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2010.761391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2010.761391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2010.761391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2010.761391][ T74] addrconf_dad_begin+0x310/0x670 [ 2010.761391][ T74] addrconf_dad_work+0x10b/0xab0 [ 2010.761391][ T74] process_one_work+0x84d/0x18a0 [ 2010.761391][ T74] worker_thread+0x587/0xd30 [ 2010.761391][ T74] kthread+0x28a/0x350 [ 2010.761391][ T74] ret_from_fork+0x31/0x70 [ 2010.761391][ T74] ret_from_fork_asm+0x1a/0x30 [ 2010.761391][ T74] [ 2010.763466][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.763466][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.763466][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.763466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.763466][ T74] ip6_route_add+0x1c/0x140 [ 2010.763466][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2010.763466][ T74] inet6_addr_add+0x4f8/0xa40 [ 2010.763466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.763466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.763466][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.763466][ T74] netlink_unicast+0x449/0x710 [ 2010.763466][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.763466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.763466][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.763466][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.763466][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.763466][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.763466][ T74] [ 2010.765516][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.765516][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.765516][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.765516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.765516][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2010.765516][ T74] ipv6_add_addr+0x411/0x2000 [ 2010.765516][ T74] inet6_addr_add+0x30e/0xa40 [ 2010.765516][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.765516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.765516][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.765516][ T74] netlink_unicast+0x449/0x710 [ 2010.765516][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.765516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.765516][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.765516][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.765516][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.765516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.765516][ T74] [ 2010.767533][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.767533][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.767533][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.767533][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.767533][ T74] ip6_route_add+0x1c/0x140 [ 2010.767533][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2010.767533][ T74] addrconf_add_dev+0xe2/0x170 [ 2010.767533][ T74] inet6_addr_add+0x12f/0xa40 [ 2010.767533][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.767533][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.767533][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.767533][ T74] netlink_unicast+0x449/0x710 [ 2010.767533][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.767533][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.767533][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.767533][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.767533][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.767533][ T74] [ 2010.769527][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.769527][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2010.769527][ T74] ipv6_find_idev+0x102/0x170 [ 2010.769527][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.769527][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.769527][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.769527][ T74] netlink_unicast+0x449/0x710 [ 2010.769527][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.769527][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.769527][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.769527][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.769527][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.769527][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.769527][ T74] [ 2010.771097][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2010.771097][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2010.771097][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2010.771097][ T74] ipv6_find_idev+0x102/0x170 [ 2010.771097][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.771097][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.771097][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.771097][ T74] netlink_unicast+0x449/0x710 [ 2010.771097][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.771097][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.771097][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.771097][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.771097][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.771097][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.771097][ T74] [ 2010.772844][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2010.773090][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.773090][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.773090][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.773090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.773090][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2010.773090][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2010.773090][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2010.773090][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2010.773090][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2010.773090][ T74] addrconf_dad_begin+0x310/0x670 [ 2010.773090][ T74] addrconf_dad_work+0x10b/0xab0 [ 2010.773090][ T74] process_one_work+0x84d/0x18a0 [ 2010.773090][ T74] worker_thread+0x587/0xd30 [ 2010.773090][ T74] kthread+0x28a/0x350 [ 2010.773090][ T74] ret_from_fork+0x31/0x70 [ 2010.773090][ T74] ret_from_fork_asm+0x1a/0x30 [ 2010.773090][ T74] [ 2010.775026][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.775026][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.775026][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.775026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.775026][ T74] ip6_route_add+0x1c/0x140 [ 2010.775026][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2010.775026][ T74] inet6_addr_add+0x4f8/0xa40 [ 2010.775026][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.775026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.775026][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.775026][ T74] netlink_unicast+0x449/0x710 [ 2010.775026][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.775026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.775026][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.775026][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.775026][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.775026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.775026][ T74] [ 2010.777051][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.777051][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.777051][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.777051][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.777051][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2010.777051][ T74] ipv6_add_addr+0x411/0x2000 [ 2010.777051][ T74] inet6_addr_add+0x30e/0xa40 [ 2010.777051][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.777051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.777051][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.777051][ T74] netlink_unicast+0x449/0x710 [ 2010.777051][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.777051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.777051][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.777051][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.777051][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.777051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.777051][ T74] [ 2010.779090][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.779090][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.779090][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.779090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.779090][ T74] ip6_route_add+0x1c/0x140 [ 2010.779090][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2010.779090][ T74] addrconf_add_dev+0xe2/0x170 [ 2010.779090][ T74] inet6_addr_add+0x12f/0xa40 [ 2010.779090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.779090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.779090][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.779090][ T74] netlink_unicast+0x449/0x710 [ 2010.779090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.779090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.779090][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.779090][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.779090][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.779090][ T74] [ 2010.781073][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.781073][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2010.781073][ T74] ipv6_find_idev+0x102/0x170 [ 2010.781073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.781073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.781073][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.781073][ T74] netlink_unicast+0x449/0x710 [ 2010.781073][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.781073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.781073][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.781073][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.781073][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.781073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.781073][ T74] [ 2010.782646][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2010.782646][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2010.782646][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2010.782646][ T74] ipv6_find_idev+0x102/0x170 [ 2010.782646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.782646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.782646][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.782646][ T74] netlink_unicast+0x449/0x710 [ 2010.782646][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.782646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.782646][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.782646][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.782646][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.782646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.782646][ T74] [ 2010.784352][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2010.784593][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.784593][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.784593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.784593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.784593][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2010.784593][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2010.784593][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2010.784593][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2010.784593][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2010.784593][ T74] addrconf_dad_begin+0x310/0x670 [ 2010.784593][ T74] addrconf_dad_work+0x10b/0xab0 [ 2010.784593][ T74] process_one_work+0x84d/0x18a0 [ 2010.784593][ T74] worker_thread+0x587/0xd30 [ 2010.784593][ T74] kthread+0x28a/0x350 [ 2010.784593][ T74] ret_from_fork+0x31/0x70 [ 2010.784593][ T74] ret_from_fork_asm+0x1a/0x30 [ 2010.784593][ T74] [ 2010.786529][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.786529][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.786529][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.786529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.786529][ T74] ip6_route_add+0x1c/0x140 [ 2010.786529][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2010.786529][ T74] inet6_addr_add+0x4f8/0xa40 [ 2010.786529][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.786529][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.786529][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.786529][ T74] netlink_unicast+0x449/0x710 [ 2010.786529][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.786529][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.786529][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.786529][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.786529][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.786529][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.786529][ T74] [ 2010.788808][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.788808][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.788808][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.788808][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.788808][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2010.788808][ T74] ipv6_add_addr+0x411/0x2000 [ 2010.788808][ T74] inet6_addr_add+0x30e/0xa40 [ 2010.788808][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.788808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.788808][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.788808][ T74] netlink_unicast+0x449/0x710 [ 2010.788808][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.788808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.788808][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.788808][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.788808][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.788808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.788808][ T74] [ 2010.791076][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.791076][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.791076][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.791076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.791076][ T74] ip6_route_add+0x1c/0x140 [ 2010.791076][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2010.791076][ T74] addrconf_add_dev+0xe2/0x170 [ 2010.791076][ T74] inet6_addr_add+0x12f/0xa40 [ 2010.791076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.791076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.791076][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.791076][ T74] netlink_unicast+0x449/0x710 [ 2010.791076][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.791076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.791076][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.791076][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.791076][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.791076][ T74] [ 2010.793322][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.793322][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2010.793322][ T74] ipv6_find_idev+0x102/0x170 [ 2010.793322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.793322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.793322][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.793322][ T74] netlink_unicast+0x449/0x710 [ 2010.793322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.793322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.793322][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.793322][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.793322][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.793322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.793322][ T74] [ 2010.795056][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2010.795056][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2010.795056][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2010.795056][ T74] ipv6_find_idev+0x102/0x170 [ 2010.795056][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.795056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.795056][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.795056][ T74] netlink_unicast+0x449/0x710 [ 2010.795056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.795056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.795056][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.795056][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.795056][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.795056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.795056][ T74] [ 2010.796991][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2010.797233][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.797233][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.797233][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.797233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.797233][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2010.797233][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2010.797233][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2010.797233][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2010.797233][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2010.797233][ T74] addrconf_dad_begin+0x310/0x670 [ 2010.797233][ T74] addrconf_dad_work+0x10b/0xab0 [ 2010.797233][ T74] process_one_work+0x84d/0x18a0 [ 2010.797233][ T74] worker_thread+0x587/0xd30 [ 2010.797233][ T74] kthread+0x28a/0x350 [ 2010.797233][ T74] ret_from_fork+0x31/0x70 [ 2010.797233][ T74] ret_from_fork_asm+0x1a/0x30 [ 2010.797233][ T74] [ 2010.799400][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.799400][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.799400][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.799400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.799400][ T74] ip6_route_add+0x1c/0x140 [ 2010.799400][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2010.799400][ T74] inet6_addr_add+0x4f8/0xa40 [ 2010.799400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.799400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.799400][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.799400][ T74] netlink_unicast+0x449/0x710 [ 2010.799400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.799400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.799400][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.799400][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.799400][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.799400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.799400][ T74] [ 2010.801603][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.801603][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.801603][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.801603][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.801603][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2010.801603][ T74] ipv6_add_addr+0x411/0x2000 [ 2010.801603][ T74] inet6_addr_add+0x30e/0xa40 [ 2010.801603][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.801603][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.801603][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.801603][ T74] netlink_unicast+0x449/0x710 [ 2010.801603][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.801603][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.801603][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.801603][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.801603][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.801603][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.801603][ T74] [ 2010.803931][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.803931][ T74] netdev_get_by_index+0x5e/0x80 [ 2010.803931][ T74] fib6_nh_init+0x3d8/0x1580 [ 2010.803931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2010.803931][ T74] ip6_route_add+0x1c/0x140 [ 2010.803931][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2010.803931][ T74] addrconf_add_dev+0xe2/0x170 [ 2010.803931][ T74] inet6_addr_add+0x12f/0xa40 [ 2010.803931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2010.803931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.803931][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.803931][ T74] netlink_unicast+0x449/0x710 [ 2010.803931][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.803931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.803931][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.803931][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.803931][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.803931][ T74] [ 2010.806147][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.806147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2010.806147][ T74] ipv6_find_idev+0x102/0x170 [ 2010.806147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.806147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.806147][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.806147][ T74] netlink_unicast+0x449/0x710 [ 2010.806147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.806147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.806147][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.806147][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.806147][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.806147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.806147][ T74] [ 2010.807877][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2010.807877][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2010.807877][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2010.807877][ T74] ipv6_find_idev+0x102/0x170 [ 2010.807877][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2010.807877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2010.807877][ T74] netlink_rcv_skb+0x130/0x360 [ 2010.807877][ T74] netlink_unicast+0x449/0x710 [ 2010.807877][ T74] netlink_sendmsg+0x723/0xbe0 [ 2010.807877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2010.807877][ T74] ___sys_sendmsg+0xee/0x170 [ 2010.807877][ T74] __sys_sendmsg+0xcd/0x170 [ 2010.807877][ T74] do_syscall_64+0xc6/0x1e0 [ 2010.807877][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2010.807877][ T74] [ 2012.672940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2012.673412][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2012.673412][T16070] dst_init+0x84/0x4a0 [ 2012.673412][T16070] dst_alloc+0x97/0x150 [ 2012.673412][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.673412][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.673412][T16070] ip6_pol_route+0x56f/0x840 [ 2012.673412][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2012.673412][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2012.673412][T16070] fib6_rule_lookup+0x182/0x630 [ 2012.673412][T16070] ip6_route_output_flags+0x259/0x480 [ 2012.673412][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2012.673412][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2012.673412][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2012.673412][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2012.673412][T16070] ip6_datagram_connect+0x2c/0x50 [ 2012.673412][T16070] __sys_connect+0x217/0x2a0 [ 2012.673412][T16070] __x64_sys_connect+0x72/0xb0 [ 2012.673412][T16070] [ 2012.675740][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2012.675740][T16070] dst_init+0x84/0x4a0 [ 2012.675740][T16070] dst_alloc+0x97/0x150 [ 2012.675740][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.675740][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.675740][T16070] ip6_pol_route+0x56f/0x840 [ 2012.675740][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2012.675740][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2012.675740][T16070] fib6_rule_lookup+0x182/0x630 [ 2012.675740][T16070] ip6_route_output_flags+0x259/0x480 [ 2012.675740][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2012.675740][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2012.675740][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2012.675740][T16070] __inet_stream_connect+0x272/0x9f0 [ 2012.675740][T16070] inet_stream_connect+0x57/0xa0 [ 2012.675740][T16070] __sys_connect+0x217/0x2a0 [ 2012.675740][T16070] __x64_sys_connect+0x72/0xb0 [ 2012.675740][T16070] [ 2012.678010][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.678010][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2012.678010][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2012.678010][T16070] fib6_nh_init+0xa22/0x1580 [ 2012.678010][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.678010][T16070] ip6_route_add+0x1c/0x140 [ 2012.678010][T16070] inet6_rtm_newroute+0x104/0x110 [ 2012.678010][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.678010][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.678010][T16070] netlink_unicast+0x449/0x710 [ 2012.678010][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.678010][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.678010][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.678010][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.678010][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.678010][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.678010][T16070] [ 2012.680152][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.680152][T16070] dst_init+0x84/0x4a0 [ 2012.680152][T16070] dst_alloc+0x97/0x150 [ 2012.680152][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.680152][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.680152][T16070] ip6_pol_route+0x56f/0x840 [ 2012.680152][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2012.680152][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2012.680152][T16070] fib6_rule_lookup+0x182/0x630 [ 2012.680152][T16070] ip6_route_input+0x59c/0xa50 [ 2012.680152][T16070] ipv6_rcv+0x397/0x810 [ 2012.680152][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2012.680152][T16070] process_backlog+0x101/0x620 [ 2012.680152][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2012.680152][T16070] net_rx_action+0x495/0xbe0 [ 2012.680152][T16070] __do_softirq+0x1b5/0x7f6 [ 2012.680152][T16070] [ 2012.682244][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.682244][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.682244][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.682244][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.682244][T16070] ip6_route_add+0x1c/0x140 [ 2012.682244][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2012.682244][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2012.682244][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2012.682244][T16070] addrconf_dad_begin+0x310/0x670 [ 2012.682244][T16070] addrconf_dad_work+0x10b/0xab0 [ 2012.682244][T16070] process_one_work+0x84d/0x18a0 [ 2012.682244][T16070] worker_thread+0x587/0xd30 [ 2012.682244][T16070] kthread+0x28a/0x350 [ 2012.682244][T16070] ret_from_fork+0x31/0x70 [ 2012.682244][T16070] ret_from_fork_asm+0x1a/0x30 [ 2012.682244][T16070] [ 2012.684271][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.684271][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.684271][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.684271][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.684271][T16070] ip6_route_add+0x1c/0x140 [ 2012.684271][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2012.684271][T16070] inet6_addr_add+0x4f8/0xa40 [ 2012.684271][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.684271][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.684271][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.684271][T16070] netlink_unicast+0x449/0x710 [ 2012.684271][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.684271][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.684271][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.684271][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.684271][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.684271][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.684271][T16070] [ 2012.686533][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.686533][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.686533][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.686533][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.686533][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2012.686533][T16070] ipv6_add_addr+0x411/0x2000 [ 2012.686533][T16070] inet6_addr_add+0x30e/0xa40 [ 2012.686533][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.686533][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.686533][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.686533][T16070] netlink_unicast+0x449/0x710 [ 2012.686533][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.686533][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.686533][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.686533][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.686533][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.686533][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.686533][T16070] [ 2012.688796][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.688796][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.688796][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.688796][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.688796][T16070] ip6_route_add+0x1c/0x140 [ 2012.688796][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.688796][T16070] addrconf_add_dev+0xe2/0x170 [ 2012.688796][T16070] inet6_addr_add+0x12f/0xa40 [ 2012.688796][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.688796][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.688796][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.688796][T16070] netlink_unicast+0x449/0x710 [ 2012.688796][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.688796][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.688796][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.688796][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.688796][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.688796][T16070] [ 2012.691024][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.691024][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2012.691024][T16070] ipv6_find_idev+0x102/0x170 [ 2012.691024][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.691024][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.691024][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.691024][T16070] netlink_unicast+0x449/0x710 [ 2012.691024][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.691024][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.691024][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.691024][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.691024][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.691024][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.691024][T16070] [ 2012.692775][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2012.692775][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2012.692775][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2012.692775][T16070] ipv6_find_idev+0x102/0x170 [ 2012.692775][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.692775][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.692775][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.692775][T16070] netlink_unicast+0x449/0x710 [ 2012.692775][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.692775][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.692775][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.692775][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.692775][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.692775][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.692775][T16070] [ 2012.694703][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2012.695026][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2012.695026][T16070] dst_init+0x84/0x4a0 [ 2012.695026][T16070] dst_alloc+0x97/0x150 [ 2012.695026][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.695026][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.695026][T16070] ip6_pol_route+0x56f/0x840 [ 2012.695026][T16070] fib6_rule_lookup+0x334/0x630 [ 2012.695026][T16070] ip6_route_output_flags+0x259/0x480 [ 2012.695026][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2012.695026][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2012.695026][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2012.695026][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2012.695026][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2012.695026][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.695026][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.695026][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.695026][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.695026][T16070] [ 2012.697302][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.697302][T16070] dst_init+0x84/0x4a0 [ 2012.697302][T16070] dst_alloc+0x97/0x150 [ 2012.697302][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.697302][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.697302][T16070] ip6_pol_route+0x56f/0x840 [ 2012.697302][T16070] fib6_rule_lookup+0x334/0x630 [ 2012.697302][T16070] ip6_route_output_flags+0x259/0x480 [ 2012.697302][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2012.697302][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2012.697302][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2012.697302][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2012.697302][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2012.697302][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2012.697302][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2012.697302][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2012.697302][T16070] ip6_input_finish+0x120/0x260 [ 2012.697302][T16070] [ 2012.699604][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.699604][T16070] dst_init+0x84/0x4a0 [ 2012.699604][T16070] dst_alloc+0x97/0x150 [ 2012.699604][T16070] ip6_dst_alloc+0x23/0x90 [ 2012.699604][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2012.699604][T16070] ip6_pol_route+0x56f/0x840 [ 2012.699604][T16070] fib6_rule_lookup+0x456/0x630 [ 2012.699604][T16070] ip6_route_input+0x59c/0xa50 [ 2012.699604][T16070] ipv6_rcv+0x397/0x810 [ 2012.699604][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2012.699604][T16070] process_backlog+0x101/0x620 [ 2012.699604][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2012.699604][T16070] net_rx_action+0x495/0xbe0 [ 2012.699604][T16070] __do_softirq+0x1b5/0x7f6 [ 2012.699604][T16070] [ 2012.701452][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.701452][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.701452][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.701452][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.701452][T16070] ip6_route_add+0x1c/0x140 [ 2012.701452][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2012.701452][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2012.701452][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2012.701452][T16070] addrconf_dad_begin+0x310/0x670 [ 2012.701452][T16070] addrconf_dad_work+0x10b/0xab0 [ 2012.701452][T16070] process_one_work+0x84d/0x18a0 [ 2012.701452][T16070] worker_thread+0x587/0xd30 [ 2012.701452][T16070] kthread+0x28a/0x350 [ 2012.701452][T16070] ret_from_fork+0x31/0x70 [ 2012.701452][T16070] ret_from_fork_asm+0x1a/0x30 [ 2012.701452][T16070] [ 2012.703804][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.703804][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.703804][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.703804][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.703804][T16070] ip6_route_add+0x1c/0x140 [ 2012.703804][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2012.703804][T16070] inet6_addr_add+0x4f8/0xa40 [ 2012.703804][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.703804][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.703804][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.703804][T16070] netlink_unicast+0x449/0x710 [ 2012.703804][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.703804][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.703804][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.703804][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.703804][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.703804][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.703804][T16070] [ 2012.706406][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.706406][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.706406][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.706406][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.706406][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2012.706406][T16070] ipv6_add_addr+0x411/0x2000 [ 2012.706406][T16070] inet6_addr_add+0x30e/0xa40 [ 2012.706406][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.706406][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.706406][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.706406][T16070] netlink_unicast+0x449/0x710 [ 2012.706406][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.706406][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.706406][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.706406][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.706406][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.706406][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.706406][T16070] [ 2012.708977][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.708977][T16070] netdev_get_by_index+0x5e/0x80 [ 2012.708977][T16070] fib6_nh_init+0x3d8/0x1580 [ 2012.708977][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2012.708977][T16070] ip6_route_add+0x1c/0x140 [ 2012.708977][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2012.708977][T16070] addrconf_add_dev+0xe2/0x170 [ 2012.708977][T16070] inet6_addr_add+0x12f/0xa40 [ 2012.708977][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2012.708977][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.708977][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.708977][T16070] netlink_unicast+0x449/0x710 [ 2012.708977][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.708977][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.708977][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.708977][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.708977][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.708977][T16070] [ 2012.711515][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.711515][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2012.711515][T16070] ipv6_find_idev+0x102/0x170 [ 2012.711515][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.711515][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.711515][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.711515][T16070] netlink_unicast+0x449/0x710 [ 2012.711515][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.711515][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.711515][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.711515][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.711515][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.711515][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.711515][T16070] [ 2012.713489][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2012.713489][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2012.713489][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2012.713489][T16070] ipv6_find_idev+0x102/0x170 [ 2012.713489][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2012.713489][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2012.713489][T16070] netlink_rcv_skb+0x130/0x360 [ 2012.713489][T16070] netlink_unicast+0x449/0x710 [ 2012.713489][T16070] netlink_sendmsg+0x723/0xbe0 [ 2012.713489][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2012.713489][T16070] ___sys_sendmsg+0xee/0x170 [ 2012.713489][T16070] __sys_sendmsg+0xcd/0x170 [ 2012.713489][T16070] do_syscall_64+0xc6/0x1e0 [ 2012.713489][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2012.713489][T16070] [ 2020.889003][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2020.889419][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.889419][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.889419][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.889419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.889419][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2020.889419][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2020.889419][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2020.889419][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2020.889419][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2020.889419][ T74] addrconf_dad_begin+0x310/0x670 [ 2020.889419][ T74] addrconf_dad_work+0x10b/0xab0 [ 2020.889419][ T74] process_one_work+0x84d/0x18a0 [ 2020.889419][ T74] worker_thread+0x587/0xd30 [ 2020.889419][ T74] kthread+0x28a/0x350 [ 2020.889419][ T74] ret_from_fork+0x31/0x70 [ 2020.889419][ T74] ret_from_fork_asm+0x1a/0x30 [ 2020.889419][ T74] [ 2020.891388][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.891388][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.891388][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.891388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.891388][ T74] ip6_route_add+0x1c/0x140 [ 2020.891388][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2020.891388][ T74] inet6_addr_add+0x4f8/0xa40 [ 2020.891388][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.891388][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.891388][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.891388][ T74] netlink_unicast+0x449/0x710 [ 2020.891388][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.891388][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.891388][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.891388][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.891388][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.891388][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.891388][ T74] [ 2020.893426][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.893426][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.893426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.893426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.893426][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2020.893426][ T74] ipv6_add_addr+0x411/0x2000 [ 2020.893426][ T74] inet6_addr_add+0x30e/0xa40 [ 2020.893426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.893426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.893426][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.893426][ T74] netlink_unicast+0x449/0x710 [ 2020.893426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.893426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.893426][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.893426][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.893426][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.893426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.893426][ T74] [ 2020.895464][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.895464][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.895464][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.895464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.895464][ T74] ip6_route_add+0x1c/0x140 [ 2020.895464][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2020.895464][ T74] addrconf_add_dev+0xe2/0x170 [ 2020.895464][ T74] inet6_addr_add+0x12f/0xa40 [ 2020.895464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.895464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.895464][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.895464][ T74] netlink_unicast+0x449/0x710 [ 2020.895464][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.895464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.895464][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.895464][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.895464][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.895464][ T74] [ 2020.897454][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.897454][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2020.897454][ T74] ipv6_find_idev+0x102/0x170 [ 2020.897454][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.897454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.897454][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.897454][ T74] netlink_unicast+0x449/0x710 [ 2020.897454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.897454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.897454][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.897454][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.897454][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.897454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.897454][ T74] [ 2020.899016][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2020.899016][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2020.899016][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2020.899016][ T74] ipv6_find_idev+0x102/0x170 [ 2020.899016][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.899016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.899016][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.899016][ T74] netlink_unicast+0x449/0x710 [ 2020.899016][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.899016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.899016][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.899016][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.899016][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.899016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.899016][ T74] [ 2020.900738][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2020.901004][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.901004][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.901004][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.901004][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.901004][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2020.901004][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2020.901004][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2020.901004][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2020.901004][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2020.901004][ T74] addrconf_dad_begin+0x310/0x670 [ 2020.901004][ T74] addrconf_dad_work+0x10b/0xab0 [ 2020.901004][ T74] process_one_work+0x84d/0x18a0 [ 2020.901004][ T74] worker_thread+0x587/0xd30 [ 2020.901004][ T74] kthread+0x28a/0x350 [ 2020.901004][ T74] ret_from_fork+0x31/0x70 [ 2020.901004][ T74] ret_from_fork_asm+0x1a/0x30 [ 2020.901004][ T74] [ 2020.902942][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.902942][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.902942][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.902942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.902942][ T74] ip6_route_add+0x1c/0x140 [ 2020.902942][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2020.902942][ T74] inet6_addr_add+0x4f8/0xa40 [ 2020.902942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.902942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.902942][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.902942][ T74] netlink_unicast+0x449/0x710 [ 2020.902942][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.902942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.902942][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.902942][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.902942][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.902942][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.902942][ T74] [ 2020.904959][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.904959][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.904959][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.904959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.904959][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2020.904959][ T74] ipv6_add_addr+0x411/0x2000 [ 2020.904959][ T74] inet6_addr_add+0x30e/0xa40 [ 2020.904959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.904959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.904959][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.904959][ T74] netlink_unicast+0x449/0x710 [ 2020.904959][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.904959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.904959][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.904959][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.904959][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.904959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.904959][ T74] [ 2020.906977][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.906977][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.906977][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.906977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.906977][ T74] ip6_route_add+0x1c/0x140 [ 2020.906977][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2020.906977][ T74] addrconf_add_dev+0xe2/0x170 [ 2020.906977][ T74] inet6_addr_add+0x12f/0xa40 [ 2020.906977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.906977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.906977][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.906977][ T74] netlink_unicast+0x449/0x710 [ 2020.906977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.906977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.906977][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.906977][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.906977][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.906977][ T74] [ 2020.908966][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.908966][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2020.908966][ T74] ipv6_find_idev+0x102/0x170 [ 2020.908966][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.908966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.908966][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.908966][ T74] netlink_unicast+0x449/0x710 [ 2020.908966][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.908966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.908966][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.908966][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.908966][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.908966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.908966][ T74] [ 2020.910520][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2020.910520][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2020.910520][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2020.910520][ T74] ipv6_find_idev+0x102/0x170 [ 2020.910520][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.910520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.910520][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.910520][ T74] netlink_unicast+0x449/0x710 [ 2020.910520][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.910520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.910520][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.910520][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.910520][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.910520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.910520][ T74] [ 2020.912222][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2020.912477][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.912477][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.912477][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.912477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.912477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2020.912477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2020.912477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2020.912477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2020.912477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2020.912477][ T74] addrconf_dad_begin+0x310/0x670 [ 2020.912477][ T74] addrconf_dad_work+0x10b/0xab0 [ 2020.912477][ T74] process_one_work+0x84d/0x18a0 [ 2020.912477][ T74] worker_thread+0x587/0xd30 [ 2020.912477][ T74] kthread+0x28a/0x350 [ 2020.912477][ T74] ret_from_fork+0x31/0x70 [ 2020.912477][ T74] ret_from_fork_asm+0x1a/0x30 [ 2020.912477][ T74] [ 2020.914400][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.914400][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.914400][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.914400][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.914400][ T74] ip6_route_add+0x1c/0x140 [ 2020.914400][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2020.914400][ T74] inet6_addr_add+0x4f8/0xa40 [ 2020.914400][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.914400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.914400][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.914400][ T74] netlink_unicast+0x449/0x710 [ 2020.914400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.914400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.914400][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.914400][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.914400][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.914400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.914400][ T74] [ 2020.916719][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.916719][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.916719][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.916719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.916719][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2020.916719][ T74] ipv6_add_addr+0x411/0x2000 [ 2020.916719][ T74] inet6_addr_add+0x30e/0xa40 [ 2020.916719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.916719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.916719][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.916719][ T74] netlink_unicast+0x449/0x710 [ 2020.916719][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.916719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.916719][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.916719][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.916719][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.916719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.916719][ T74] [ 2020.918973][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.918973][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.918973][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.918973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.918973][ T74] ip6_route_add+0x1c/0x140 [ 2020.918973][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2020.918973][ T74] addrconf_add_dev+0xe2/0x170 [ 2020.918973][ T74] inet6_addr_add+0x12f/0xa40 [ 2020.918973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.918973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.918973][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.918973][ T74] netlink_unicast+0x449/0x710 [ 2020.918973][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.918973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.918973][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.918973][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.918973][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.918973][ T74] [ 2020.921128][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.921128][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2020.921128][ T74] ipv6_find_idev+0x102/0x170 [ 2020.921128][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.921128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.921128][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.921128][ T74] netlink_unicast+0x449/0x710 [ 2020.921128][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.921128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.921128][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.921128][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.921128][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.921128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.921128][ T74] [ 2020.922868][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2020.922868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2020.922868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2020.922868][ T74] ipv6_find_idev+0x102/0x170 [ 2020.922868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.922868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.922868][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.922868][ T74] netlink_unicast+0x449/0x710 [ 2020.922868][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.922868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.922868][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.922868][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.922868][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.922868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.922868][ T74] [ 2020.924797][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2020.925469][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.925469][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.925469][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.925469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.925469][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2020.925469][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2020.925469][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2020.925469][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2020.925469][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2020.925469][ T74] addrconf_dad_begin+0x310/0x670 [ 2020.925469][ T74] addrconf_dad_work+0x10b/0xab0 [ 2020.925469][ T74] process_one_work+0x84d/0x18a0 [ 2020.925469][ T74] worker_thread+0x587/0xd30 [ 2020.925469][ T74] kthread+0x28a/0x350 [ 2020.925469][ T74] ret_from_fork+0x31/0x70 [ 2020.925469][ T74] ret_from_fork_asm+0x1a/0x30 [ 2020.925469][ T74] [ 2020.927397][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.927397][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.927397][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.927397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.927397][ T74] ip6_route_add+0x1c/0x140 [ 2020.927397][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2020.927397][ T74] inet6_addr_add+0x4f8/0xa40 [ 2020.927397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.927397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.927397][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.927397][ T74] netlink_unicast+0x449/0x710 [ 2020.927397][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.927397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.927397][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.927397][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.927397][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.927397][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.927397][ T74] [ 2020.929469][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.929469][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.929469][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.929469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.929469][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2020.929469][ T74] ipv6_add_addr+0x411/0x2000 [ 2020.929469][ T74] inet6_addr_add+0x30e/0xa40 [ 2020.929469][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.929469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.929469][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.929469][ T74] netlink_unicast+0x449/0x710 [ 2020.929469][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.929469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.929469][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.929469][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.929469][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.929469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.929469][ T74] [ 2020.931785][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.931785][ T74] netdev_get_by_index+0x5e/0x80 [ 2020.931785][ T74] fib6_nh_init+0x3d8/0x1580 [ 2020.931785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2020.931785][ T74] ip6_route_add+0x1c/0x140 [ 2020.931785][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2020.931785][ T74] addrconf_add_dev+0xe2/0x170 [ 2020.931785][ T74] inet6_addr_add+0x12f/0xa40 [ 2020.931785][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2020.931785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.931785][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.931785][ T74] netlink_unicast+0x449/0x710 [ 2020.931785][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.931785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.931785][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.931785][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.931785][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.931785][ T74] [ 2020.934041][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.934041][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2020.934041][ T74] ipv6_find_idev+0x102/0x170 [ 2020.934041][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.934041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.934041][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.934041][ T74] netlink_unicast+0x449/0x710 [ 2020.934041][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.934041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.934041][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.934041][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.934041][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.934041][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.934041][ T74] [ 2020.935779][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2020.935779][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2020.935779][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2020.935779][ T74] ipv6_find_idev+0x102/0x170 [ 2020.935779][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2020.935779][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2020.935779][ T74] netlink_rcv_skb+0x130/0x360 [ 2020.935779][ T74] netlink_unicast+0x449/0x710 [ 2020.935779][ T74] netlink_sendmsg+0x723/0xbe0 [ 2020.935779][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2020.935779][ T74] ___sys_sendmsg+0xee/0x170 [ 2020.935779][ T74] __sys_sendmsg+0xcd/0x170 [ 2020.935779][ T74] do_syscall_64+0xc6/0x1e0 [ 2020.935779][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2020.935779][ T74] [ 2022.936931][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2022.937383][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2022.937383][T16070] dst_init+0x84/0x4a0 [ 2022.937383][T16070] dst_alloc+0x97/0x150 [ 2022.937383][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.937383][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.937383][T16070] ip6_pol_route+0x56f/0x840 [ 2022.937383][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2022.937383][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2022.937383][T16070] fib6_rule_lookup+0x182/0x630 [ 2022.937383][T16070] ip6_route_output_flags+0x259/0x480 [ 2022.937383][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2022.937383][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2022.937383][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2022.937383][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2022.937383][T16070] ip6_datagram_connect+0x2c/0x50 [ 2022.937383][T16070] __sys_connect+0x217/0x2a0 [ 2022.937383][T16070] __x64_sys_connect+0x72/0xb0 [ 2022.937383][T16070] [ 2022.939718][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2022.939718][T16070] dst_init+0x84/0x4a0 [ 2022.939718][T16070] dst_alloc+0x97/0x150 [ 2022.939718][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.939718][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.939718][T16070] ip6_pol_route+0x56f/0x840 [ 2022.939718][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2022.939718][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2022.939718][T16070] fib6_rule_lookup+0x182/0x630 [ 2022.939718][T16070] ip6_route_output_flags+0x259/0x480 [ 2022.939718][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2022.939718][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2022.939718][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2022.939718][T16070] __inet_stream_connect+0x272/0x9f0 [ 2022.939718][T16070] inet_stream_connect+0x57/0xa0 [ 2022.939718][T16070] __sys_connect+0x217/0x2a0 [ 2022.939718][T16070] __x64_sys_connect+0x72/0xb0 [ 2022.939718][T16070] [ 2022.941983][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.941983][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2022.941983][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2022.941983][T16070] fib6_nh_init+0xa22/0x1580 [ 2022.941983][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.941983][T16070] ip6_route_add+0x1c/0x140 [ 2022.941983][T16070] inet6_rtm_newroute+0x104/0x110 [ 2022.941983][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.941983][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.941983][T16070] netlink_unicast+0x449/0x710 [ 2022.941983][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.941983][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.941983][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.941983][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.941983][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.941983][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.941983][T16070] [ 2022.944092][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.944092][T16070] dst_init+0x84/0x4a0 [ 2022.944092][T16070] dst_alloc+0x97/0x150 [ 2022.944092][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.944092][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.944092][T16070] ip6_pol_route+0x56f/0x840 [ 2022.944092][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2022.944092][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2022.944092][T16070] fib6_rule_lookup+0x182/0x630 [ 2022.944092][T16070] ip6_route_input+0x59c/0xa50 [ 2022.944092][T16070] ipv6_rcv+0x397/0x810 [ 2022.944092][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2022.944092][T16070] process_backlog+0x101/0x620 [ 2022.944092][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2022.944092][T16070] net_rx_action+0x495/0xbe0 [ 2022.944092][T16070] __do_softirq+0x1b5/0x7f6 [ 2022.944092][T16070] [ 2022.946162][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.946162][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.946162][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.946162][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.946162][T16070] ip6_route_add+0x1c/0x140 [ 2022.946162][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2022.946162][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2022.946162][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2022.946162][T16070] addrconf_dad_begin+0x310/0x670 [ 2022.946162][T16070] addrconf_dad_work+0x10b/0xab0 [ 2022.946162][T16070] process_one_work+0x84d/0x18a0 [ 2022.946162][T16070] worker_thread+0x587/0xd30 [ 2022.946162][T16070] kthread+0x28a/0x350 [ 2022.946162][T16070] ret_from_fork+0x31/0x70 [ 2022.946162][T16070] ret_from_fork_asm+0x1a/0x30 [ 2022.946162][T16070] [ 2022.948160][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.948160][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.948160][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.948160][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.948160][T16070] ip6_route_add+0x1c/0x140 [ 2022.948160][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2022.948160][T16070] inet6_addr_add+0x4f8/0xa40 [ 2022.948160][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.948160][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.948160][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.948160][T16070] netlink_unicast+0x449/0x710 [ 2022.948160][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.948160][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.948160][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.948160][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.948160][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.948160][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.948160][T16070] [ 2022.950397][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.950397][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.950397][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.950397][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.950397][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2022.950397][T16070] ipv6_add_addr+0x411/0x2000 [ 2022.950397][T16070] inet6_addr_add+0x30e/0xa40 [ 2022.950397][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.950397][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.950397][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.950397][T16070] netlink_unicast+0x449/0x710 [ 2022.950397][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.950397][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.950397][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.950397][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.950397][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.950397][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.950397][T16070] [ 2022.952659][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.952659][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.952659][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.952659][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.952659][T16070] ip6_route_add+0x1c/0x140 [ 2022.952659][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.952659][T16070] addrconf_add_dev+0xe2/0x170 [ 2022.952659][T16070] inet6_addr_add+0x12f/0xa40 [ 2022.952659][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.952659][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.952659][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.952659][T16070] netlink_unicast+0x449/0x710 [ 2022.952659][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.952659][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.952659][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.952659][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.952659][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.952659][T16070] [ 2022.954869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.954869][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2022.954869][T16070] ipv6_find_idev+0x102/0x170 [ 2022.954869][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.954869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.954869][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.954869][T16070] netlink_unicast+0x449/0x710 [ 2022.954869][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.954869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.954869][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.954869][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.954869][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.954869][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.954869][T16070] [ 2022.956607][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2022.956607][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2022.956607][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2022.956607][T16070] ipv6_find_idev+0x102/0x170 [ 2022.956607][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.956607][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.956607][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.956607][T16070] netlink_unicast+0x449/0x710 [ 2022.956607][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.956607][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.956607][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.956607][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.956607][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.956607][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.956607][T16070] [ 2022.958545][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2022.958858][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2022.958858][T16070] dst_init+0x84/0x4a0 [ 2022.958858][T16070] dst_alloc+0x97/0x150 [ 2022.958858][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.958858][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.958858][T16070] ip6_pol_route+0x56f/0x840 [ 2022.958858][T16070] fib6_rule_lookup+0x334/0x630 [ 2022.958858][T16070] ip6_route_output_flags+0x259/0x480 [ 2022.958858][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2022.958858][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2022.958858][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2022.958858][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2022.958858][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2022.958858][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.958858][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.958858][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.958858][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.958858][T16070] [ 2022.961110][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.961110][T16070] dst_init+0x84/0x4a0 [ 2022.961110][T16070] dst_alloc+0x97/0x150 [ 2022.961110][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.961110][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.961110][T16070] ip6_pol_route+0x56f/0x840 [ 2022.961110][T16070] fib6_rule_lookup+0x334/0x630 [ 2022.961110][T16070] ip6_route_output_flags+0x259/0x480 [ 2022.961110][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2022.961110][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2022.961110][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2022.961110][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2022.961110][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2022.961110][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2022.961110][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2022.961110][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2022.961110][T16070] ip6_input_finish+0x120/0x260 [ 2022.961110][T16070] [ 2022.963408][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.963408][T16070] dst_init+0x84/0x4a0 [ 2022.963408][T16070] dst_alloc+0x97/0x150 [ 2022.963408][T16070] ip6_dst_alloc+0x23/0x90 [ 2022.963408][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2022.963408][T16070] ip6_pol_route+0x56f/0x840 [ 2022.963408][T16070] fib6_rule_lookup+0x456/0x630 [ 2022.963408][T16070] ip6_route_input+0x59c/0xa50 [ 2022.963408][T16070] ipv6_rcv+0x397/0x810 [ 2022.963408][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2022.963408][T16070] process_backlog+0x101/0x620 [ 2022.963408][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2022.963408][T16070] net_rx_action+0x495/0xbe0 [ 2022.963408][T16070] __do_softirq+0x1b5/0x7f6 [ 2022.963408][T16070] [ 2022.965251][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.965251][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.965251][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.965251][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.965251][T16070] ip6_route_add+0x1c/0x140 [ 2022.965251][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2022.965251][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2022.965251][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2022.965251][T16070] addrconf_dad_begin+0x310/0x670 [ 2022.965251][T16070] addrconf_dad_work+0x10b/0xab0 [ 2022.965251][T16070] process_one_work+0x84d/0x18a0 [ 2022.965251][T16070] worker_thread+0x587/0xd30 [ 2022.965251][T16070] kthread+0x28a/0x350 [ 2022.965251][T16070] ret_from_fork+0x31/0x70 [ 2022.965251][T16070] ret_from_fork_asm+0x1a/0x30 [ 2022.965251][T16070] [ 2022.967437][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.967437][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.967437][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.967437][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.967437][T16070] ip6_route_add+0x1c/0x140 [ 2022.967437][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2022.967437][T16070] inet6_addr_add+0x4f8/0xa40 [ 2022.967437][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.967437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.967437][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.967437][T16070] netlink_unicast+0x449/0x710 [ 2022.967437][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.967437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.967437][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.967437][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.967437][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.967437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.967437][T16070] [ 2022.969847][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.969847][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.969847][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.969847][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.969847][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2022.969847][T16070] ipv6_add_addr+0x411/0x2000 [ 2022.969847][T16070] inet6_addr_add+0x30e/0xa40 [ 2022.969847][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.969847][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.969847][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.969847][T16070] netlink_unicast+0x449/0x710 [ 2022.969847][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.969847][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.969847][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.969847][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.969847][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.969847][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.969847][T16070] [ 2022.972247][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.972247][T16070] netdev_get_by_index+0x5e/0x80 [ 2022.972247][T16070] fib6_nh_init+0x3d8/0x1580 [ 2022.972247][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2022.972247][T16070] ip6_route_add+0x1c/0x140 [ 2022.972247][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2022.972247][T16070] addrconf_add_dev+0xe2/0x170 [ 2022.972247][T16070] inet6_addr_add+0x12f/0xa40 [ 2022.972247][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2022.972247][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.972247][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.972247][T16070] netlink_unicast+0x449/0x710 [ 2022.972247][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.972247][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.972247][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.972247][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.972247][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.972247][T16070] [ 2022.974603][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.974603][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2022.974603][T16070] ipv6_find_idev+0x102/0x170 [ 2022.974603][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.974603][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.974603][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.974603][T16070] netlink_unicast+0x449/0x710 [ 2022.974603][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.974603][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.974603][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.974603][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.974603][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.974603][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.974603][T16070] [ 2022.976485][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2022.976485][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2022.976485][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2022.976485][T16070] ipv6_find_idev+0x102/0x170 [ 2022.976485][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2022.976485][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2022.976485][T16070] netlink_rcv_skb+0x130/0x360 [ 2022.976485][T16070] netlink_unicast+0x449/0x710 [ 2022.976485][T16070] netlink_sendmsg+0x723/0xbe0 [ 2022.976485][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2022.976485][T16070] ___sys_sendmsg+0xee/0x170 [ 2022.976485][T16070] __sys_sendmsg+0xcd/0x170 [ 2022.976485][T16070] do_syscall_64+0xc6/0x1e0 [ 2022.976485][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2022.976485][T16070] [ 2031.192960][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2031.193402][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.193402][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.193402][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.193402][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.193402][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2031.193402][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2031.193402][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2031.193402][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2031.193402][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2031.193402][ T74] addrconf_dad_begin+0x310/0x670 [ 2031.193402][ T74] addrconf_dad_work+0x10b/0xab0 [ 2031.193402][ T74] process_one_work+0x84d/0x18a0 [ 2031.193402][ T74] worker_thread+0x587/0xd30 [ 2031.193402][ T74] kthread+0x28a/0x350 [ 2031.193402][ T74] ret_from_fork+0x31/0x70 [ 2031.193402][ T74] ret_from_fork_asm+0x1a/0x30 [ 2031.193402][ T74] [ 2031.195379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.195379][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.195379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.195379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.195379][ T74] ip6_route_add+0x1c/0x140 [ 2031.195379][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2031.195379][ T74] inet6_addr_add+0x4f8/0xa40 [ 2031.195379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.195379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.195379][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.195379][ T74] netlink_unicast+0x449/0x710 [ 2031.195379][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.195379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.195379][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.195379][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.195379][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.195379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.195379][ T74] [ 2031.197381][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.197381][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.197381][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.197381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.197381][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2031.197381][ T74] ipv6_add_addr+0x411/0x2000 [ 2031.197381][ T74] inet6_addr_add+0x30e/0xa40 [ 2031.197381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.197381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.197381][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.197381][ T74] netlink_unicast+0x449/0x710 [ 2031.197381][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.197381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.197381][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.197381][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.197381][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.197381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.197381][ T74] [ 2031.199379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.199379][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.199379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.199379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.199379][ T74] ip6_route_add+0x1c/0x140 [ 2031.199379][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2031.199379][ T74] addrconf_add_dev+0xe2/0x170 [ 2031.199379][ T74] inet6_addr_add+0x12f/0xa40 [ 2031.199379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.199379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.199379][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.199379][ T74] netlink_unicast+0x449/0x710 [ 2031.199379][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.199379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.199379][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.199379][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.199379][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.199379][ T74] [ 2031.201358][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.201358][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2031.201358][ T74] ipv6_find_idev+0x102/0x170 [ 2031.201358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.201358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.201358][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.201358][ T74] netlink_unicast+0x449/0x710 [ 2031.201358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.201358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.201358][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.201358][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.201358][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.201358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.201358][ T74] [ 2031.202910][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2031.202910][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2031.202910][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2031.202910][ T74] ipv6_find_idev+0x102/0x170 [ 2031.202910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.202910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.202910][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.202910][ T74] netlink_unicast+0x449/0x710 [ 2031.202910][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.202910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.202910][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.202910][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.202910][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.202910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.202910][ T74] [ 2031.204597][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2031.204839][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.204839][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.204839][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.204839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.204839][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2031.204839][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2031.204839][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2031.204839][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2031.204839][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2031.204839][ T74] addrconf_dad_begin+0x310/0x670 [ 2031.204839][ T74] addrconf_dad_work+0x10b/0xab0 [ 2031.204839][ T74] process_one_work+0x84d/0x18a0 [ 2031.204839][ T74] worker_thread+0x587/0xd30 [ 2031.204839][ T74] kthread+0x28a/0x350 [ 2031.204839][ T74] ret_from_fork+0x31/0x70 [ 2031.204839][ T74] ret_from_fork_asm+0x1a/0x30 [ 2031.204839][ T74] [ 2031.206764][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.206764][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.206764][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.206764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.206764][ T74] ip6_route_add+0x1c/0x140 [ 2031.206764][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2031.206764][ T74] inet6_addr_add+0x4f8/0xa40 [ 2031.206764][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.206764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.206764][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.206764][ T74] netlink_unicast+0x449/0x710 [ 2031.206764][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.206764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.206764][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.206764][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.206764][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.206764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.206764][ T74] [ 2031.208768][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.208768][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.208768][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.208768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.208768][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2031.208768][ T74] ipv6_add_addr+0x411/0x2000 [ 2031.208768][ T74] inet6_addr_add+0x30e/0xa40 [ 2031.208768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.208768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.208768][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.208768][ T74] netlink_unicast+0x449/0x710 [ 2031.208768][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.208768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.208768][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.208768][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.208768][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.208768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.208768][ T74] [ 2031.210790][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.210790][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.210790][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.210790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.210790][ T74] ip6_route_add+0x1c/0x140 [ 2031.210790][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2031.210790][ T74] addrconf_add_dev+0xe2/0x170 [ 2031.210790][ T74] inet6_addr_add+0x12f/0xa40 [ 2031.210790][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.210790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.210790][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.210790][ T74] netlink_unicast+0x449/0x710 [ 2031.210790][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.210790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.210790][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.210790][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.210790][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.210790][ T74] [ 2031.212756][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.212756][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2031.212756][ T74] ipv6_find_idev+0x102/0x170 [ 2031.212756][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.212756][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.212756][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.212756][ T74] netlink_unicast+0x449/0x710 [ 2031.212756][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.212756][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.212756][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.212756][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.212756][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.212756][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.212756][ T74] [ 2031.214306][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2031.214306][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2031.214306][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2031.214306][ T74] ipv6_find_idev+0x102/0x170 [ 2031.214306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.214306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.214306][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.214306][ T74] netlink_unicast+0x449/0x710 [ 2031.214306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.214306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.214306][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.214306][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.214306][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.214306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.214306][ T74] [ 2031.215992][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2031.216227][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.216227][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.216227][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.216227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.216227][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2031.216227][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2031.216227][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2031.216227][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2031.216227][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2031.216227][ T74] addrconf_dad_begin+0x310/0x670 [ 2031.216227][ T74] addrconf_dad_work+0x10b/0xab0 [ 2031.216227][ T74] process_one_work+0x84d/0x18a0 [ 2031.216227][ T74] worker_thread+0x587/0xd30 [ 2031.216227][ T74] kthread+0x28a/0x350 [ 2031.216227][ T74] ret_from_fork+0x31/0x70 [ 2031.216227][ T74] ret_from_fork_asm+0x1a/0x30 [ 2031.216227][ T74] [ 2031.218163][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.218163][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.218163][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.218163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.218163][ T74] ip6_route_add+0x1c/0x140 [ 2031.218163][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2031.218163][ T74] inet6_addr_add+0x4f8/0xa40 [ 2031.218163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.218163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.218163][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.218163][ T74] netlink_unicast+0x449/0x710 [ 2031.218163][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.218163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.218163][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.218163][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.218163][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.218163][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.218163][ T74] [ 2031.220437][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.220437][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.220437][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.220437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.220437][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2031.220437][ T74] ipv6_add_addr+0x411/0x2000 [ 2031.220437][ T74] inet6_addr_add+0x30e/0xa40 [ 2031.220437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.220437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.220437][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.220437][ T74] netlink_unicast+0x449/0x710 [ 2031.220437][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.220437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.220437][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.220437][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.220437][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.220437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.220437][ T74] [ 2031.222617][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.222617][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.222617][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.222617][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.222617][ T74] ip6_route_add+0x1c/0x140 [ 2031.222617][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2031.222617][ T74] addrconf_add_dev+0xe2/0x170 [ 2031.222617][ T74] inet6_addr_add+0x12f/0xa40 [ 2031.222617][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.222617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.222617][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.222617][ T74] netlink_unicast+0x449/0x710 [ 2031.222617][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.222617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.222617][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.222617][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.222617][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.222617][ T74] [ 2031.224873][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.224873][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2031.224873][ T74] ipv6_find_idev+0x102/0x170 [ 2031.224873][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.224873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.224873][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.224873][ T74] netlink_unicast+0x449/0x710 [ 2031.224873][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.224873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.224873][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.224873][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.224873][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.224873][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.224873][ T74] [ 2031.226582][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2031.226582][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2031.226582][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2031.226582][ T74] ipv6_find_idev+0x102/0x170 [ 2031.226582][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.226582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.226582][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.226582][ T74] netlink_unicast+0x449/0x710 [ 2031.226582][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.226582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.226582][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.226582][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.226582][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.226582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.226582][ T74] [ 2031.228388][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2031.228700][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.228700][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.228700][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.228700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.228700][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2031.228700][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2031.228700][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2031.228700][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2031.228700][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2031.228700][ T74] addrconf_dad_begin+0x310/0x670 [ 2031.228700][ T74] addrconf_dad_work+0x10b/0xab0 [ 2031.228700][ T74] process_one_work+0x84d/0x18a0 [ 2031.228700][ T74] worker_thread+0x587/0xd30 [ 2031.228700][ T74] kthread+0x28a/0x350 [ 2031.228700][ T74] ret_from_fork+0x31/0x70 [ 2031.228700][ T74] ret_from_fork_asm+0x1a/0x30 [ 2031.228700][ T74] [ 2031.230730][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.230730][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.230730][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.230730][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.230730][ T74] ip6_route_add+0x1c/0x140 [ 2031.230730][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2031.230730][ T74] inet6_addr_add+0x4f8/0xa40 [ 2031.230730][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.230730][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.230730][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.230730][ T74] netlink_unicast+0x449/0x710 [ 2031.230730][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.230730][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.230730][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.230730][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.230730][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.230730][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.230730][ T74] [ 2031.233038][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.233038][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.233038][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.233038][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.233038][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2031.233038][ T74] ipv6_add_addr+0x411/0x2000 [ 2031.233038][ T74] inet6_addr_add+0x30e/0xa40 [ 2031.233038][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.233038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.233038][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.233038][ T74] netlink_unicast+0x449/0x710 [ 2031.233038][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.233038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.233038][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.233038][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.233038][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.233038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.233038][ T74] [ 2031.235263][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.235263][ T74] netdev_get_by_index+0x5e/0x80 [ 2031.235263][ T74] fib6_nh_init+0x3d8/0x1580 [ 2031.235263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2031.235263][ T74] ip6_route_add+0x1c/0x140 [ 2031.235263][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2031.235263][ T74] addrconf_add_dev+0xe2/0x170 [ 2031.235263][ T74] inet6_addr_add+0x12f/0xa40 [ 2031.235263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2031.235263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.235263][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.235263][ T74] netlink_unicast+0x449/0x710 [ 2031.235263][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.235263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.235263][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.235263][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.235263][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.235263][ T74] [ 2031.237458][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.237458][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2031.237458][ T74] ipv6_find_idev+0x102/0x170 [ 2031.237458][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.237458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.237458][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.237458][ T74] netlink_unicast+0x449/0x710 [ 2031.237458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.237458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.237458][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.237458][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.237458][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.237458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.237458][ T74] [ 2031.239173][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2031.239173][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2031.239173][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2031.239173][ T74] ipv6_find_idev+0x102/0x170 [ 2031.239173][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2031.239173][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2031.239173][ T74] netlink_rcv_skb+0x130/0x360 [ 2031.239173][ T74] netlink_unicast+0x449/0x710 [ 2031.239173][ T74] netlink_sendmsg+0x723/0xbe0 [ 2031.239173][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2031.239173][ T74] ___sys_sendmsg+0xee/0x170 [ 2031.239173][ T74] __sys_sendmsg+0xcd/0x170 [ 2031.239173][ T74] do_syscall_64+0xc6/0x1e0 [ 2031.239173][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2031.239173][ T74] [ 2033.216948][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2033.217387][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2033.217387][T16070] dst_init+0x84/0x4a0 [ 2033.217387][T16070] dst_alloc+0x97/0x150 [ 2033.217387][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.217387][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.217387][T16070] ip6_pol_route+0x56f/0x840 [ 2033.217387][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2033.217387][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2033.217387][T16070] fib6_rule_lookup+0x182/0x630 [ 2033.217387][T16070] ip6_route_output_flags+0x259/0x480 [ 2033.217387][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2033.217387][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2033.217387][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2033.217387][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2033.217387][T16070] ip6_datagram_connect+0x2c/0x50 [ 2033.217387][T16070] __sys_connect+0x217/0x2a0 [ 2033.217387][T16070] __x64_sys_connect+0x72/0xb0 [ 2033.217387][T16070] [ 2033.219686][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2033.219686][T16070] dst_init+0x84/0x4a0 [ 2033.219686][T16070] dst_alloc+0x97/0x150 [ 2033.219686][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.219686][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.219686][T16070] ip6_pol_route+0x56f/0x840 [ 2033.219686][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2033.219686][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2033.219686][T16070] fib6_rule_lookup+0x182/0x630 [ 2033.219686][T16070] ip6_route_output_flags+0x259/0x480 [ 2033.219686][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2033.219686][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2033.219686][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2033.219686][T16070] __inet_stream_connect+0x272/0x9f0 [ 2033.219686][T16070] inet_stream_connect+0x57/0xa0 [ 2033.219686][T16070] __sys_connect+0x217/0x2a0 [ 2033.219686][T16070] __x64_sys_connect+0x72/0xb0 [ 2033.219686][T16070] [ 2033.221944][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.221944][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2033.221944][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2033.221944][T16070] fib6_nh_init+0xa22/0x1580 [ 2033.221944][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.221944][T16070] ip6_route_add+0x1c/0x140 [ 2033.221944][T16070] inet6_rtm_newroute+0x104/0x110 [ 2033.221944][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.221944][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.221944][T16070] netlink_unicast+0x449/0x710 [ 2033.221944][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.221944][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.221944][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.221944][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.221944][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.221944][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.221944][T16070] [ 2033.224062][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.224062][T16070] dst_init+0x84/0x4a0 [ 2033.224062][T16070] dst_alloc+0x97/0x150 [ 2033.224062][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.224062][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.224062][T16070] ip6_pol_route+0x56f/0x840 [ 2033.224062][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2033.224062][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2033.224062][T16070] fib6_rule_lookup+0x182/0x630 [ 2033.224062][T16070] ip6_route_input+0x59c/0xa50 [ 2033.224062][T16070] ipv6_rcv+0x397/0x810 [ 2033.224062][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2033.224062][T16070] process_backlog+0x101/0x620 [ 2033.224062][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2033.224062][T16070] net_rx_action+0x495/0xbe0 [ 2033.224062][T16070] __do_softirq+0x1b5/0x7f6 [ 2033.224062][T16070] [ 2033.226152][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.226152][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.226152][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.226152][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.226152][T16070] ip6_route_add+0x1c/0x140 [ 2033.226152][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2033.226152][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2033.226152][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2033.226152][T16070] addrconf_dad_begin+0x310/0x670 [ 2033.226152][T16070] addrconf_dad_work+0x10b/0xab0 [ 2033.226152][T16070] process_one_work+0x84d/0x18a0 [ 2033.226152][T16070] worker_thread+0x587/0xd30 [ 2033.226152][T16070] kthread+0x28a/0x350 [ 2033.226152][T16070] ret_from_fork+0x31/0x70 [ 2033.226152][T16070] ret_from_fork_asm+0x1a/0x30 [ 2033.226152][T16070] [ 2033.228160][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.228160][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.228160][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.228160][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.228160][T16070] ip6_route_add+0x1c/0x140 [ 2033.228160][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2033.228160][T16070] inet6_addr_add+0x4f8/0xa40 [ 2033.228160][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.228160][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.228160][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.228160][T16070] netlink_unicast+0x449/0x710 [ 2033.228160][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.228160][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.228160][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.228160][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.228160][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.228160][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.228160][T16070] [ 2033.230397][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.230397][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.230397][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.230397][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.230397][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2033.230397][T16070] ipv6_add_addr+0x411/0x2000 [ 2033.230397][T16070] inet6_addr_add+0x30e/0xa40 [ 2033.230397][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.230397][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.230397][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.230397][T16070] netlink_unicast+0x449/0x710 [ 2033.230397][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.230397][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.230397][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.230397][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.230397][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.230397][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.230397][T16070] [ 2033.232651][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.232651][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.232651][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.232651][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.232651][T16070] ip6_route_add+0x1c/0x140 [ 2033.232651][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.232651][T16070] addrconf_add_dev+0xe2/0x170 [ 2033.232651][T16070] inet6_addr_add+0x12f/0xa40 [ 2033.232651][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.232651][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.232651][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.232651][T16070] netlink_unicast+0x449/0x710 [ 2033.232651][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.232651][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.232651][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.232651][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.232651][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.232651][T16070] [ 2033.234866][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.234866][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2033.234866][T16070] ipv6_find_idev+0x102/0x170 [ 2033.234866][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.234866][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.234866][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.234866][T16070] netlink_unicast+0x449/0x710 [ 2033.234866][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.234866][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.234866][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.234866][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.234866][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.234866][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.234866][T16070] [ 2033.236589][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2033.236589][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2033.236589][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2033.236589][T16070] ipv6_find_idev+0x102/0x170 [ 2033.236589][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.236589][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.236589][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.236589][T16070] netlink_unicast+0x449/0x710 [ 2033.236589][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.236589][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.236589][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.236589][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.236589][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.236589][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.236589][T16070] [ 2033.238470][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2033.238772][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2033.238772][T16070] dst_init+0x84/0x4a0 [ 2033.238772][T16070] dst_alloc+0x97/0x150 [ 2033.238772][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.238772][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.238772][T16070] ip6_pol_route+0x56f/0x840 [ 2033.238772][T16070] fib6_rule_lookup+0x334/0x630 [ 2033.238772][T16070] ip6_route_output_flags+0x259/0x480 [ 2033.238772][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2033.238772][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2033.238772][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2033.238772][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2033.238772][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2033.238772][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.238772][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.238772][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.238772][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.238772][T16070] [ 2033.241035][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.241035][T16070] dst_init+0x84/0x4a0 [ 2033.241035][T16070] dst_alloc+0x97/0x150 [ 2033.241035][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.241035][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.241035][T16070] ip6_pol_route+0x56f/0x840 [ 2033.241035][T16070] fib6_rule_lookup+0x334/0x630 [ 2033.241035][T16070] ip6_route_output_flags+0x259/0x480 [ 2033.241035][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2033.241035][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2033.241035][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2033.241035][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2033.241035][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2033.241035][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2033.241035][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2033.241035][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2033.241035][T16070] ip6_input_finish+0x120/0x260 [ 2033.241035][T16070] [ 2033.243324][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.243324][T16070] dst_init+0x84/0x4a0 [ 2033.243324][T16070] dst_alloc+0x97/0x150 [ 2033.243324][T16070] ip6_dst_alloc+0x23/0x90 [ 2033.243324][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2033.243324][T16070] ip6_pol_route+0x56f/0x840 [ 2033.243324][T16070] fib6_rule_lookup+0x456/0x630 [ 2033.243324][T16070] ip6_route_input+0x59c/0xa50 [ 2033.243324][T16070] ipv6_rcv+0x397/0x810 [ 2033.243324][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2033.243324][T16070] process_backlog+0x101/0x620 [ 2033.243324][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2033.243324][T16070] net_rx_action+0x495/0xbe0 [ 2033.243324][T16070] __do_softirq+0x1b5/0x7f6 [ 2033.243324][T16070] [ 2033.245171][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.245171][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.245171][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.245171][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.245171][T16070] ip6_route_add+0x1c/0x140 [ 2033.245171][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2033.245171][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2033.245171][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2033.245171][T16070] addrconf_dad_begin+0x310/0x670 [ 2033.245171][T16070] addrconf_dad_work+0x10b/0xab0 [ 2033.245171][T16070] process_one_work+0x84d/0x18a0 [ 2033.245171][T16070] worker_thread+0x587/0xd30 [ 2033.245171][T16070] kthread+0x28a/0x350 [ 2033.245171][T16070] ret_from_fork+0x31/0x70 [ 2033.245171][T16070] ret_from_fork_asm+0x1a/0x30 [ 2033.245171][T16070] [ 2033.247405][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.247405][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.247405][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.247405][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.247405][T16070] ip6_route_add+0x1c/0x140 [ 2033.247405][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2033.247405][T16070] inet6_addr_add+0x4f8/0xa40 [ 2033.247405][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.247405][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.247405][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.247405][T16070] netlink_unicast+0x449/0x710 [ 2033.247405][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.247405][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.247405][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.247405][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.247405][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.247405][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.247405][T16070] [ 2033.250106][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.250106][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.250106][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.250106][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.250106][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2033.250106][T16070] ipv6_add_addr+0x411/0x2000 [ 2033.250106][T16070] inet6_addr_add+0x30e/0xa40 [ 2033.250106][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.250106][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.250106][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.250106][T16070] netlink_unicast+0x449/0x710 [ 2033.250106][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.250106][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.250106][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.250106][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.250106][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.250106][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.250106][T16070] [ 2033.252656][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.252656][T16070] netdev_get_by_index+0x5e/0x80 [ 2033.252656][T16070] fib6_nh_init+0x3d8/0x1580 [ 2033.252656][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2033.252656][T16070] ip6_route_add+0x1c/0x140 [ 2033.252656][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2033.252656][T16070] addrconf_add_dev+0xe2/0x170 [ 2033.252656][T16070] inet6_addr_add+0x12f/0xa40 [ 2033.252656][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2033.252656][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.252656][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.252656][T16070] netlink_unicast+0x449/0x710 [ 2033.252656][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.252656][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.252656][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.252656][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.252656][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.252656][T16070] [ 2033.255167][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.255167][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2033.255167][T16070] ipv6_find_idev+0x102/0x170 [ 2033.255167][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.255167][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.255167][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.255167][T16070] netlink_unicast+0x449/0x710 [ 2033.255167][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.255167][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.255167][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.255167][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.255167][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.255167][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.255167][T16070] [ 2033.257123][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2033.257123][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2033.257123][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2033.257123][T16070] ipv6_find_idev+0x102/0x170 [ 2033.257123][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2033.257123][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2033.257123][T16070] netlink_rcv_skb+0x130/0x360 [ 2033.257123][T16070] netlink_unicast+0x449/0x710 [ 2033.257123][T16070] netlink_sendmsg+0x723/0xbe0 [ 2033.257123][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2033.257123][T16070] ___sys_sendmsg+0xee/0x170 [ 2033.257123][T16070] __sys_sendmsg+0xcd/0x170 [ 2033.257123][T16070] do_syscall_64+0xc6/0x1e0 [ 2033.257123][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2033.257123][T16070] [ 2041.449015][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2041.449468][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.449468][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.449468][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.449468][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.449468][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2041.449468][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2041.449468][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2041.449468][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2041.449468][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2041.449468][ T74] addrconf_dad_begin+0x310/0x670 [ 2041.449468][ T74] addrconf_dad_work+0x10b/0xab0 [ 2041.449468][ T74] process_one_work+0x84d/0x18a0 [ 2041.449468][ T74] worker_thread+0x587/0xd30 [ 2041.449468][ T74] kthread+0x28a/0x350 [ 2041.449468][ T74] ret_from_fork+0x31/0x70 [ 2041.449468][ T74] ret_from_fork_asm+0x1a/0x30 [ 2041.449468][ T74] [ 2041.451647][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.451647][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.451647][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.451647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.451647][ T74] ip6_route_add+0x1c/0x140 [ 2041.451647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2041.451647][ T74] inet6_addr_add+0x4f8/0xa40 [ 2041.451647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.451647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.451647][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.451647][ T74] netlink_unicast+0x449/0x710 [ 2041.451647][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.451647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.451647][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.451647][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.451647][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.451647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.451647][ T74] [ 2041.453900][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.453900][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.453900][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.453900][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.453900][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2041.453900][ T74] ipv6_add_addr+0x411/0x2000 [ 2041.453900][ T74] inet6_addr_add+0x30e/0xa40 [ 2041.453900][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.453900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.453900][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.453900][ T74] netlink_unicast+0x449/0x710 [ 2041.453900][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.453900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.453900][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.453900][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.453900][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.453900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.453900][ T74] [ 2041.456154][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.456154][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.456154][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.456154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.456154][ T74] ip6_route_add+0x1c/0x140 [ 2041.456154][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2041.456154][ T74] addrconf_add_dev+0xe2/0x170 [ 2041.456154][ T74] inet6_addr_add+0x12f/0xa40 [ 2041.456154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.456154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.456154][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.456154][ T74] netlink_unicast+0x449/0x710 [ 2041.456154][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.456154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.456154][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.456154][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.456154][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.456154][ T74] [ 2041.458350][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.458350][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2041.458350][ T74] ipv6_find_idev+0x102/0x170 [ 2041.458350][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.458350][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.458350][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.458350][ T74] netlink_unicast+0x449/0x710 [ 2041.458350][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.458350][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.458350][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.458350][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.458350][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.458350][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.458350][ T74] [ 2041.460085][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2041.460085][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2041.460085][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2041.460085][ T74] ipv6_find_idev+0x102/0x170 [ 2041.460085][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.460085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.460085][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.460085][ T74] netlink_unicast+0x449/0x710 [ 2041.460085][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.460085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.460085][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.460085][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.460085][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.460085][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.460085][ T74] [ 2041.461985][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2041.462256][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.462256][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.462256][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.462256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.462256][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2041.462256][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2041.462256][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2041.462256][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2041.462256][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2041.462256][ T74] addrconf_dad_begin+0x310/0x670 [ 2041.462256][ T74] addrconf_dad_work+0x10b/0xab0 [ 2041.462256][ T74] process_one_work+0x84d/0x18a0 [ 2041.462256][ T74] worker_thread+0x587/0xd30 [ 2041.462256][ T74] kthread+0x28a/0x350 [ 2041.462256][ T74] ret_from_fork+0x31/0x70 [ 2041.462256][ T74] ret_from_fork_asm+0x1a/0x30 [ 2041.462256][ T74] [ 2041.464396][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.464396][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.464396][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.464396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.464396][ T74] ip6_route_add+0x1c/0x140 [ 2041.464396][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2041.464396][ T74] inet6_addr_add+0x4f8/0xa40 [ 2041.464396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.464396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.464396][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.464396][ T74] netlink_unicast+0x449/0x710 [ 2041.464396][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.464396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.464396][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.464396][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.464396][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.464396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.464396][ T74] [ 2041.466635][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.466635][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.466635][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.466635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.466635][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2041.466635][ T74] ipv6_add_addr+0x411/0x2000 [ 2041.466635][ T74] inet6_addr_add+0x30e/0xa40 [ 2041.466635][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.466635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.466635][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.466635][ T74] netlink_unicast+0x449/0x710 [ 2041.466635][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.466635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.466635][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.466635][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.466635][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.466635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.466635][ T74] [ 2041.468870][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.468870][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.468870][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.468870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.468870][ T74] ip6_route_add+0x1c/0x140 [ 2041.468870][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2041.468870][ T74] addrconf_add_dev+0xe2/0x170 [ 2041.468870][ T74] inet6_addr_add+0x12f/0xa40 [ 2041.468870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.468870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.468870][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.468870][ T74] netlink_unicast+0x449/0x710 [ 2041.468870][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.468870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.468870][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.468870][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.468870][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.468870][ T74] [ 2041.471059][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.471059][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2041.471059][ T74] ipv6_find_idev+0x102/0x170 [ 2041.471059][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.471059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.471059][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.471059][ T74] netlink_unicast+0x449/0x710 [ 2041.471059][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.471059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.471059][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.471059][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.471059][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.471059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.471059][ T74] [ 2041.472796][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2041.472796][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2041.472796][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2041.472796][ T74] ipv6_find_idev+0x102/0x170 [ 2041.472796][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.472796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.472796][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.472796][ T74] netlink_unicast+0x449/0x710 [ 2041.472796][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.472796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.472796][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.472796][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.472796][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.472796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.472796][ T74] [ 2041.474707][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2041.474998][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.474998][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.474998][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.474998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.474998][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2041.474998][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2041.474998][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2041.474998][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2041.474998][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2041.474998][ T74] addrconf_dad_begin+0x310/0x670 [ 2041.474998][ T74] addrconf_dad_work+0x10b/0xab0 [ 2041.474998][ T74] process_one_work+0x84d/0x18a0 [ 2041.474998][ T74] worker_thread+0x587/0xd30 [ 2041.474998][ T74] kthread+0x28a/0x350 [ 2041.474998][ T74] ret_from_fork+0x31/0x70 [ 2041.474998][ T74] ret_from_fork_asm+0x1a/0x30 [ 2041.474998][ T74] [ 2041.477140][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.477140][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.477140][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.477140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.477140][ T74] ip6_route_add+0x1c/0x140 [ 2041.477140][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2041.477140][ T74] inet6_addr_add+0x4f8/0xa40 [ 2041.477140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.477140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.477140][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.477140][ T74] netlink_unicast+0x449/0x710 [ 2041.477140][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.477140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.477140][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.477140][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.477140][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.477140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.477140][ T74] [ 2041.479560][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.479560][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.479560][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.479560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.479560][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2041.479560][ T74] ipv6_add_addr+0x411/0x2000 [ 2041.479560][ T74] inet6_addr_add+0x30e/0xa40 [ 2041.479560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.479560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.479560][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.479560][ T74] netlink_unicast+0x449/0x710 [ 2041.479560][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.479560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.479560][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.479560][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.479560][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.479560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.479560][ T74] [ 2041.482035][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.482035][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.482035][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.482035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.482035][ T74] ip6_route_add+0x1c/0x140 [ 2041.482035][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2041.482035][ T74] addrconf_add_dev+0xe2/0x170 [ 2041.482035][ T74] inet6_addr_add+0x12f/0xa40 [ 2041.482035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.482035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.482035][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.482035][ T74] netlink_unicast+0x449/0x710 [ 2041.482035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.482035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.482035][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.482035][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.482035][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.482035][ T74] [ 2041.484547][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.484547][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2041.484547][ T74] ipv6_find_idev+0x102/0x170 [ 2041.484547][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.484547][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.484547][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.484547][ T74] netlink_unicast+0x449/0x710 [ 2041.484547][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.484547][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.484547][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.484547][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.484547][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.484547][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.484547][ T74] [ 2041.486459][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2041.486459][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2041.486459][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2041.486459][ T74] ipv6_find_idev+0x102/0x170 [ 2041.486459][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.486459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.486459][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.486459][ T74] netlink_unicast+0x449/0x710 [ 2041.486459][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.486459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.486459][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.486459][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.486459][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.486459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.486459][ T74] [ 2041.488453][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2041.488712][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.488712][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.488712][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.488712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.488712][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2041.488712][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2041.488712][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2041.488712][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2041.488712][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2041.488712][ T74] addrconf_dad_begin+0x310/0x670 [ 2041.488712][ T74] addrconf_dad_work+0x10b/0xab0 [ 2041.488712][ T74] process_one_work+0x84d/0x18a0 [ 2041.488712][ T74] worker_thread+0x587/0xd30 [ 2041.488712][ T74] kthread+0x28a/0x350 [ 2041.488712][ T74] ret_from_fork+0x31/0x70 [ 2041.488712][ T74] ret_from_fork_asm+0x1a/0x30 [ 2041.488712][ T74] [ 2041.491081][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.491081][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.491081][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.491081][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.491081][ T74] ip6_route_add+0x1c/0x140 [ 2041.491081][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2041.491081][ T74] inet6_addr_add+0x4f8/0xa40 [ 2041.491081][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.491081][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.491081][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.491081][ T74] netlink_unicast+0x449/0x710 [ 2041.491081][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.491081][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.491081][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.491081][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.491081][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.491081][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.491081][ T74] [ 2041.493549][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.493549][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.493549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.493549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.493549][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2041.493549][ T74] ipv6_add_addr+0x411/0x2000 [ 2041.493549][ T74] inet6_addr_add+0x30e/0xa40 [ 2041.493549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.493549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.493549][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.493549][ T74] netlink_unicast+0x449/0x710 [ 2041.493549][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.493549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.493549][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.493549][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.493549][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.493549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.493549][ T74] [ 2041.496088][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.496088][ T74] netdev_get_by_index+0x5e/0x80 [ 2041.496088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2041.496088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2041.496088][ T74] ip6_route_add+0x1c/0x140 [ 2041.496088][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2041.496088][ T74] addrconf_add_dev+0xe2/0x170 [ 2041.496088][ T74] inet6_addr_add+0x12f/0xa40 [ 2041.496088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2041.496088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.496088][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.496088][ T74] netlink_unicast+0x449/0x710 [ 2041.496088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.496088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.496088][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.496088][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.496088][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.496088][ T74] [ 2041.498450][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.498450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2041.498450][ T74] ipv6_find_idev+0x102/0x170 [ 2041.498450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.498450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.498450][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.498450][ T74] netlink_unicast+0x449/0x710 [ 2041.498450][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.498450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.498450][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.498450][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.498450][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.498450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.498450][ T74] [ 2041.500340][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2041.500340][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2041.500340][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2041.500340][ T74] ipv6_find_idev+0x102/0x170 [ 2041.500340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2041.500340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2041.500340][ T74] netlink_rcv_skb+0x130/0x360 [ 2041.500340][ T74] netlink_unicast+0x449/0x710 [ 2041.500340][ T74] netlink_sendmsg+0x723/0xbe0 [ 2041.500340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2041.500340][ T74] ___sys_sendmsg+0xee/0x170 [ 2041.500340][ T74] __sys_sendmsg+0xcd/0x170 [ 2041.500340][ T74] do_syscall_64+0xc6/0x1e0 [ 2041.500340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2041.500340][ T74] [ 2043.496943][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2043.497420][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2043.497420][T16070] dst_init+0x84/0x4a0 [ 2043.497420][T16070] dst_alloc+0x97/0x150 [ 2043.497420][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.497420][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.497420][T16070] ip6_pol_route+0x56f/0x840 [ 2043.497420][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2043.497420][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2043.497420][T16070] fib6_rule_lookup+0x182/0x630 [ 2043.497420][T16070] ip6_route_output_flags+0x259/0x480 [ 2043.497420][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2043.497420][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2043.497420][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2043.497420][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2043.497420][T16070] ip6_datagram_connect+0x2c/0x50 [ 2043.497420][T16070] __sys_connect+0x217/0x2a0 [ 2043.497420][T16070] __x64_sys_connect+0x72/0xb0 [ 2043.497420][T16070] [ 2043.499742][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2043.499742][T16070] dst_init+0x84/0x4a0 [ 2043.499742][T16070] dst_alloc+0x97/0x150 [ 2043.499742][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.499742][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.499742][T16070] ip6_pol_route+0x56f/0x840 [ 2043.499742][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2043.499742][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2043.499742][T16070] fib6_rule_lookup+0x182/0x630 [ 2043.499742][T16070] ip6_route_output_flags+0x259/0x480 [ 2043.499742][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2043.499742][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2043.499742][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2043.499742][T16070] __inet_stream_connect+0x272/0x9f0 [ 2043.499742][T16070] inet_stream_connect+0x57/0xa0 [ 2043.499742][T16070] __sys_connect+0x217/0x2a0 [ 2043.499742][T16070] __x64_sys_connect+0x72/0xb0 [ 2043.499742][T16070] [ 2043.502074][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.502074][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2043.502074][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2043.502074][T16070] fib6_nh_init+0xa22/0x1580 [ 2043.502074][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.502074][T16070] ip6_route_add+0x1c/0x140 [ 2043.502074][T16070] inet6_rtm_newroute+0x104/0x110 [ 2043.502074][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.502074][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.502074][T16070] netlink_unicast+0x449/0x710 [ 2043.502074][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.502074][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.502074][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.502074][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.502074][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.502074][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.502074][T16070] [ 2043.504224][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.504224][T16070] dst_init+0x84/0x4a0 [ 2043.504224][T16070] dst_alloc+0x97/0x150 [ 2043.504224][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.504224][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.504224][T16070] ip6_pol_route+0x56f/0x840 [ 2043.504224][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2043.504224][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2043.504224][T16070] fib6_rule_lookup+0x182/0x630 [ 2043.504224][T16070] ip6_route_input+0x59c/0xa50 [ 2043.504224][T16070] ipv6_rcv+0x397/0x810 [ 2043.504224][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2043.504224][T16070] process_backlog+0x101/0x620 [ 2043.504224][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2043.504224][T16070] net_rx_action+0x495/0xbe0 [ 2043.504224][T16070] __do_softirq+0x1b5/0x7f6 [ 2043.504224][T16070] [ 2043.506335][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.506335][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.506335][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.506335][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.506335][T16070] ip6_route_add+0x1c/0x140 [ 2043.506335][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2043.506335][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2043.506335][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2043.506335][T16070] addrconf_dad_begin+0x310/0x670 [ 2043.506335][T16070] addrconf_dad_work+0x10b/0xab0 [ 2043.506335][T16070] process_one_work+0x84d/0x18a0 [ 2043.506335][T16070] worker_thread+0x587/0xd30 [ 2043.506335][T16070] kthread+0x28a/0x350 [ 2043.506335][T16070] ret_from_fork+0x31/0x70 [ 2043.506335][T16070] ret_from_fork_asm+0x1a/0x30 [ 2043.506335][T16070] [ 2043.508355][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.508355][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.508355][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.508355][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.508355][T16070] ip6_route_add+0x1c/0x140 [ 2043.508355][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2043.508355][T16070] inet6_addr_add+0x4f8/0xa40 [ 2043.508355][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.508355][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.508355][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.508355][T16070] netlink_unicast+0x449/0x710 [ 2043.508355][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.508355][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.508355][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.508355][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.508355][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.508355][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.508355][T16070] [ 2043.510624][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.510624][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.510624][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.510624][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.510624][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2043.510624][T16070] ipv6_add_addr+0x411/0x2000 [ 2043.510624][T16070] inet6_addr_add+0x30e/0xa40 [ 2043.510624][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.510624][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.510624][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.510624][T16070] netlink_unicast+0x449/0x710 [ 2043.510624][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.510624][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.510624][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.510624][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.510624][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.510624][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.510624][T16070] [ 2043.512918][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.512918][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.512918][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.512918][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.512918][T16070] ip6_route_add+0x1c/0x140 [ 2043.512918][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.512918][T16070] addrconf_add_dev+0xe2/0x170 [ 2043.512918][T16070] inet6_addr_add+0x12f/0xa40 [ 2043.512918][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.512918][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.512918][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.512918][T16070] netlink_unicast+0x449/0x710 [ 2043.512918][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.512918][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.512918][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.512918][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.512918][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.512918][T16070] [ 2043.515149][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.515149][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2043.515149][T16070] ipv6_find_idev+0x102/0x170 [ 2043.515149][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.515149][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.515149][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.515149][T16070] netlink_unicast+0x449/0x710 [ 2043.515149][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.515149][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.515149][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.515149][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.515149][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.515149][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.515149][T16070] [ 2043.516898][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2043.516898][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2043.516898][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2043.516898][T16070] ipv6_find_idev+0x102/0x170 [ 2043.516898][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.516898][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.516898][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.516898][T16070] netlink_unicast+0x449/0x710 [ 2043.516898][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.516898][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.516898][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.516898][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.516898][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.516898][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.516898][T16070] [ 2043.518838][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2043.519168][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2043.519168][T16070] dst_init+0x84/0x4a0 [ 2043.519168][T16070] dst_alloc+0x97/0x150 [ 2043.519168][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.519168][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.519168][T16070] ip6_pol_route+0x56f/0x840 [ 2043.519168][T16070] fib6_rule_lookup+0x334/0x630 [ 2043.519168][T16070] ip6_route_output_flags+0x259/0x480 [ 2043.519168][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2043.519168][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2043.519168][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2043.519168][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2043.519168][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2043.519168][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.519168][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.519168][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.519168][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.519168][T16070] [ 2043.521447][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.521447][T16070] dst_init+0x84/0x4a0 [ 2043.521447][T16070] dst_alloc+0x97/0x150 [ 2043.521447][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.521447][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.521447][T16070] ip6_pol_route+0x56f/0x840 [ 2043.521447][T16070] fib6_rule_lookup+0x334/0x630 [ 2043.521447][T16070] ip6_route_output_flags+0x259/0x480 [ 2043.521447][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2043.521447][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2043.521447][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2043.521447][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2043.521447][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2043.521447][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2043.521447][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2043.521447][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2043.521447][T16070] ip6_input_finish+0x120/0x260 [ 2043.521447][T16070] [ 2043.523759][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.523759][T16070] dst_init+0x84/0x4a0 [ 2043.523759][T16070] dst_alloc+0x97/0x150 [ 2043.523759][T16070] ip6_dst_alloc+0x23/0x90 [ 2043.523759][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2043.523759][T16070] ip6_pol_route+0x56f/0x840 [ 2043.523759][T16070] fib6_rule_lookup+0x456/0x630 [ 2043.523759][T16070] ip6_route_input+0x59c/0xa50 [ 2043.523759][T16070] ipv6_rcv+0x397/0x810 [ 2043.523759][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2043.523759][T16070] process_backlog+0x101/0x620 [ 2043.523759][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2043.523759][T16070] net_rx_action+0x495/0xbe0 [ 2043.523759][T16070] __do_softirq+0x1b5/0x7f6 [ 2043.523759][T16070] [ 2043.525616][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.525616][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.525616][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.525616][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.525616][T16070] ip6_route_add+0x1c/0x140 [ 2043.525616][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2043.525616][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2043.525616][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2043.525616][T16070] addrconf_dad_begin+0x310/0x670 [ 2043.525616][T16070] addrconf_dad_work+0x10b/0xab0 [ 2043.525616][T16070] process_one_work+0x84d/0x18a0 [ 2043.525616][T16070] worker_thread+0x587/0xd30 [ 2043.525616][T16070] kthread+0x28a/0x350 [ 2043.525616][T16070] ret_from_fork+0x31/0x70 [ 2043.525616][T16070] ret_from_fork_asm+0x1a/0x30 [ 2043.525616][T16070] [ 2043.527962][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.527962][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.527962][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.527962][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.527962][T16070] ip6_route_add+0x1c/0x140 [ 2043.527962][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2043.527962][T16070] inet6_addr_add+0x4f8/0xa40 [ 2043.527962][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.527962][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.527962][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.527962][T16070] netlink_unicast+0x449/0x710 [ 2043.527962][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.527962][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.527962][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.527962][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.527962][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.527962][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.527962][T16070] [ 2043.530539][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.530539][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.530539][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.530539][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.530539][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2043.530539][T16070] ipv6_add_addr+0x411/0x2000 [ 2043.530539][T16070] inet6_addr_add+0x30e/0xa40 [ 2043.530539][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.530539][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.530539][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.530539][T16070] netlink_unicast+0x449/0x710 [ 2043.530539][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.530539][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.530539][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.530539][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.530539][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.530539][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.530539][T16070] [ 2043.533126][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.533126][T16070] netdev_get_by_index+0x5e/0x80 [ 2043.533126][T16070] fib6_nh_init+0x3d8/0x1580 [ 2043.533126][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2043.533126][T16070] ip6_route_add+0x1c/0x140 [ 2043.533126][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2043.533126][T16070] addrconf_add_dev+0xe2/0x170 [ 2043.533126][T16070] inet6_addr_add+0x12f/0xa40 [ 2043.533126][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2043.533126][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.533126][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.533126][T16070] netlink_unicast+0x449/0x710 [ 2043.533126][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.533126][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.533126][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.533126][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.533126][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.533126][T16070] [ 2043.535673][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.535673][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2043.535673][T16070] ipv6_find_idev+0x102/0x170 [ 2043.535673][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.535673][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.535673][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.535673][T16070] netlink_unicast+0x449/0x710 [ 2043.535673][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.535673][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.535673][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.535673][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.535673][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.535673][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.535673][T16070] [ 2043.537647][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2043.537647][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2043.537647][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2043.537647][T16070] ipv6_find_idev+0x102/0x170 [ 2043.537647][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2043.537647][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2043.537647][T16070] netlink_rcv_skb+0x130/0x360 [ 2043.537647][T16070] netlink_unicast+0x449/0x710 [ 2043.537647][T16070] netlink_sendmsg+0x723/0xbe0 [ 2043.537647][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2043.537647][T16070] ___sys_sendmsg+0xee/0x170 [ 2043.537647][T16070] __sys_sendmsg+0xcd/0x170 [ 2043.537647][T16070] do_syscall_64+0xc6/0x1e0 [ 2043.537647][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2043.537647][T16070] [ 2051.688944][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2051.689409][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.689409][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.689409][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.689409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.689409][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2051.689409][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2051.689409][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2051.689409][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2051.689409][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2051.689409][ T74] addrconf_dad_begin+0x310/0x670 [ 2051.689409][ T74] addrconf_dad_work+0x10b/0xab0 [ 2051.689409][ T74] process_one_work+0x84d/0x18a0 [ 2051.689409][ T74] worker_thread+0x587/0xd30 [ 2051.689409][ T74] kthread+0x28a/0x350 [ 2051.689409][ T74] ret_from_fork+0x31/0x70 [ 2051.689409][ T74] ret_from_fork_asm+0x1a/0x30 [ 2051.689409][ T74] [ 2051.691578][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.691578][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.691578][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.691578][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.691578][ T74] ip6_route_add+0x1c/0x140 [ 2051.691578][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2051.691578][ T74] inet6_addr_add+0x4f8/0xa40 [ 2051.691578][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.691578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.691578][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.691578][ T74] netlink_unicast+0x449/0x710 [ 2051.691578][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.691578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.691578][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.691578][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.691578][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.691578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.691578][ T74] [ 2051.693842][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.693842][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.693842][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.693842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.693842][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2051.693842][ T74] ipv6_add_addr+0x411/0x2000 [ 2051.693842][ T74] inet6_addr_add+0x30e/0xa40 [ 2051.693842][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.693842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.693842][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.693842][ T74] netlink_unicast+0x449/0x710 [ 2051.693842][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.693842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.693842][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.693842][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.693842][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.693842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.693842][ T74] [ 2051.696084][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.696084][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.696084][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.696084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.696084][ T74] ip6_route_add+0x1c/0x140 [ 2051.696084][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2051.696084][ T74] addrconf_add_dev+0xe2/0x170 [ 2051.696084][ T74] inet6_addr_add+0x12f/0xa40 [ 2051.696084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.696084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.696084][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.696084][ T74] netlink_unicast+0x449/0x710 [ 2051.696084][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.696084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.696084][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.696084][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.696084][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.696084][ T74] [ 2051.698291][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.698291][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2051.698291][ T74] ipv6_find_idev+0x102/0x170 [ 2051.698291][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.698291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.698291][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.698291][ T74] netlink_unicast+0x449/0x710 [ 2051.698291][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.698291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.698291][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.698291][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.698291][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.698291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.698291][ T74] [ 2051.699998][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2051.699998][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2051.699998][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2051.699998][ T74] ipv6_find_idev+0x102/0x170 [ 2051.699998][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.699998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.699998][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.699998][ T74] netlink_unicast+0x449/0x710 [ 2051.699998][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.699998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.699998][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.699998][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.699998][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.699998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.699998][ T74] [ 2051.701882][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2051.702147][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.702147][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.702147][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.702147][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.702147][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2051.702147][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2051.702147][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2051.702147][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2051.702147][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2051.702147][ T74] addrconf_dad_begin+0x310/0x670 [ 2051.702147][ T74] addrconf_dad_work+0x10b/0xab0 [ 2051.702147][ T74] process_one_work+0x84d/0x18a0 [ 2051.702147][ T74] worker_thread+0x587/0xd30 [ 2051.702147][ T74] kthread+0x28a/0x350 [ 2051.702147][ T74] ret_from_fork+0x31/0x70 [ 2051.702147][ T74] ret_from_fork_asm+0x1a/0x30 [ 2051.702147][ T74] [ 2051.704295][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.704295][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.704295][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.704295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.704295][ T74] ip6_route_add+0x1c/0x140 [ 2051.704295][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2051.704295][ T74] inet6_addr_add+0x4f8/0xa40 [ 2051.704295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.704295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.704295][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.704295][ T74] netlink_unicast+0x449/0x710 [ 2051.704295][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.704295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.704295][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.704295][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.704295][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.704295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.704295][ T74] [ 2051.706535][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.706535][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.706535][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.706535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.706535][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2051.706535][ T74] ipv6_add_addr+0x411/0x2000 [ 2051.706535][ T74] inet6_addr_add+0x30e/0xa40 [ 2051.706535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.706535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.706535][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.706535][ T74] netlink_unicast+0x449/0x710 [ 2051.706535][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.706535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.706535][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.706535][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.706535][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.706535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.706535][ T74] [ 2051.708769][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.708769][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.708769][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.708769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.708769][ T74] ip6_route_add+0x1c/0x140 [ 2051.708769][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2051.708769][ T74] addrconf_add_dev+0xe2/0x170 [ 2051.708769][ T74] inet6_addr_add+0x12f/0xa40 [ 2051.708769][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.708769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.708769][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.708769][ T74] netlink_unicast+0x449/0x710 [ 2051.708769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.708769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.708769][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.708769][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.708769][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.708769][ T74] [ 2051.711006][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.711006][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2051.711006][ T74] ipv6_find_idev+0x102/0x170 [ 2051.711006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.711006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.711006][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.711006][ T74] netlink_unicast+0x449/0x710 [ 2051.711006][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.711006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.711006][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.711006][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.711006][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.711006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.711006][ T74] [ 2051.712742][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2051.712742][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2051.712742][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2051.712742][ T74] ipv6_find_idev+0x102/0x170 [ 2051.712742][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.712742][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.712742][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.712742][ T74] netlink_unicast+0x449/0x710 [ 2051.712742][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.712742][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.712742][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.712742][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.712742][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.712742][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.712742][ T74] [ 2051.714631][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2051.714903][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.714903][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.714903][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.714903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.714903][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2051.714903][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2051.714903][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2051.714903][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2051.714903][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2051.714903][ T74] addrconf_dad_begin+0x310/0x670 [ 2051.714903][ T74] addrconf_dad_work+0x10b/0xab0 [ 2051.714903][ T74] process_one_work+0x84d/0x18a0 [ 2051.714903][ T74] worker_thread+0x587/0xd30 [ 2051.714903][ T74] kthread+0x28a/0x350 [ 2051.714903][ T74] ret_from_fork+0x31/0x70 [ 2051.714903][ T74] ret_from_fork_asm+0x1a/0x30 [ 2051.714903][ T74] [ 2051.717054][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.717054][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.717054][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.717054][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.717054][ T74] ip6_route_add+0x1c/0x140 [ 2051.717054][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2051.717054][ T74] inet6_addr_add+0x4f8/0xa40 [ 2051.717054][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.717054][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.717054][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.717054][ T74] netlink_unicast+0x449/0x710 [ 2051.717054][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.717054][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.717054][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.717054][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.717054][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.717054][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.717054][ T74] [ 2051.719471][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.719471][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.719471][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.719471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.719471][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2051.719471][ T74] ipv6_add_addr+0x411/0x2000 [ 2051.719471][ T74] inet6_addr_add+0x30e/0xa40 [ 2051.719471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.719471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.719471][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.719471][ T74] netlink_unicast+0x449/0x710 [ 2051.719471][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.719471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.719471][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.719471][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.719471][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.719471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.719471][ T74] [ 2051.721946][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.721946][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.721946][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.721946][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.721946][ T74] ip6_route_add+0x1c/0x140 [ 2051.721946][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2051.721946][ T74] addrconf_add_dev+0xe2/0x170 [ 2051.721946][ T74] inet6_addr_add+0x12f/0xa40 [ 2051.721946][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.721946][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.721946][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.721946][ T74] netlink_unicast+0x449/0x710 [ 2051.721946][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.721946][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.721946][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.721946][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.721946][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.721946][ T74] [ 2051.724441][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.724441][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2051.724441][ T74] ipv6_find_idev+0x102/0x170 [ 2051.724441][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.724441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.724441][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.724441][ T74] netlink_unicast+0x449/0x710 [ 2051.724441][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.724441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.724441][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.724441][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.724441][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.724441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.724441][ T74] [ 2051.726342][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2051.726342][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2051.726342][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2051.726342][ T74] ipv6_find_idev+0x102/0x170 [ 2051.726342][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.726342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.726342][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.726342][ T74] netlink_unicast+0x449/0x710 [ 2051.726342][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.726342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.726342][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.726342][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.726342][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.726342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.726342][ T74] [ 2051.728343][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2051.728607][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.728607][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.728607][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.728607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.728607][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2051.728607][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2051.728607][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2051.728607][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2051.728607][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2051.728607][ T74] addrconf_dad_begin+0x310/0x670 [ 2051.728607][ T74] addrconf_dad_work+0x10b/0xab0 [ 2051.728607][ T74] process_one_work+0x84d/0x18a0 [ 2051.728607][ T74] worker_thread+0x587/0xd30 [ 2051.728607][ T74] kthread+0x28a/0x350 [ 2051.728607][ T74] ret_from_fork+0x31/0x70 [ 2051.728607][ T74] ret_from_fork_asm+0x1a/0x30 [ 2051.728607][ T74] [ 2051.730935][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.730935][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.730935][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.730935][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.730935][ T74] ip6_route_add+0x1c/0x140 [ 2051.730935][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2051.730935][ T74] inet6_addr_add+0x4f8/0xa40 [ 2051.730935][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.730935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.730935][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.730935][ T74] netlink_unicast+0x449/0x710 [ 2051.730935][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.730935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.730935][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.730935][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.730935][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.730935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.730935][ T74] [ 2051.733313][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.733313][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.733313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.733313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.733313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2051.733313][ T74] ipv6_add_addr+0x411/0x2000 [ 2051.733313][ T74] inet6_addr_add+0x30e/0xa40 [ 2051.733313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.733313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.733313][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.733313][ T74] netlink_unicast+0x449/0x710 [ 2051.733313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.733313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.733313][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.733313][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.733313][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.733313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.733313][ T74] [ 2051.735692][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.735692][ T74] netdev_get_by_index+0x5e/0x80 [ 2051.735692][ T74] fib6_nh_init+0x3d8/0x1580 [ 2051.735692][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2051.735692][ T74] ip6_route_add+0x1c/0x140 [ 2051.735692][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2051.735692][ T74] addrconf_add_dev+0xe2/0x170 [ 2051.735692][ T74] inet6_addr_add+0x12f/0xa40 [ 2051.735692][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2051.735692][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.735692][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.735692][ T74] netlink_unicast+0x449/0x710 [ 2051.735692][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.735692][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.735692][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.735692][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.735692][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.735692][ T74] [ 2051.737950][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.737950][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2051.737950][ T74] ipv6_find_idev+0x102/0x170 [ 2051.737950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.737950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.737950][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.737950][ T74] netlink_unicast+0x449/0x710 [ 2051.737950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.737950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.737950][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.737950][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.737950][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.737950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.737950][ T74] [ 2051.739791][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2051.739791][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2051.739791][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2051.739791][ T74] ipv6_find_idev+0x102/0x170 [ 2051.739791][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2051.739791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2051.739791][ T74] netlink_rcv_skb+0x130/0x360 [ 2051.739791][ T74] netlink_unicast+0x449/0x710 [ 2051.739791][ T74] netlink_sendmsg+0x723/0xbe0 [ 2051.739791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2051.739791][ T74] ___sys_sendmsg+0xee/0x170 [ 2051.739791][ T74] __sys_sendmsg+0xcd/0x170 [ 2051.739791][ T74] do_syscall_64+0xc6/0x1e0 [ 2051.739791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2051.739791][ T74] [ 2053.776931][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2053.777413][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2053.777413][T16070] dst_init+0x84/0x4a0 [ 2053.777413][T16070] dst_alloc+0x97/0x150 [ 2053.777413][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.777413][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.777413][T16070] ip6_pol_route+0x56f/0x840 [ 2053.777413][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2053.777413][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2053.777413][T16070] fib6_rule_lookup+0x182/0x630 [ 2053.777413][T16070] ip6_route_output_flags+0x259/0x480 [ 2053.777413][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2053.777413][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2053.777413][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2053.777413][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2053.777413][T16070] ip6_datagram_connect+0x2c/0x50 [ 2053.777413][T16070] __sys_connect+0x217/0x2a0 [ 2053.777413][T16070] __x64_sys_connect+0x72/0xb0 [ 2053.777413][T16070] [ 2053.779720][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2053.779720][T16070] dst_init+0x84/0x4a0 [ 2053.779720][T16070] dst_alloc+0x97/0x150 [ 2053.779720][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.779720][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.779720][T16070] ip6_pol_route+0x56f/0x840 [ 2053.779720][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2053.779720][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2053.779720][T16070] fib6_rule_lookup+0x182/0x630 [ 2053.779720][T16070] ip6_route_output_flags+0x259/0x480 [ 2053.779720][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2053.779720][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2053.779720][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2053.779720][T16070] __inet_stream_connect+0x272/0x9f0 [ 2053.779720][T16070] inet_stream_connect+0x57/0xa0 [ 2053.779720][T16070] __sys_connect+0x217/0x2a0 [ 2053.779720][T16070] __x64_sys_connect+0x72/0xb0 [ 2053.779720][T16070] [ 2053.781980][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.781980][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2053.781980][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2053.781980][T16070] fib6_nh_init+0xa22/0x1580 [ 2053.781980][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.781980][T16070] ip6_route_add+0x1c/0x140 [ 2053.781980][T16070] inet6_rtm_newroute+0x104/0x110 [ 2053.781980][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.781980][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.781980][T16070] netlink_unicast+0x449/0x710 [ 2053.781980][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.781980][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.781980][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.781980][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.781980][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.781980][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.781980][T16070] [ 2053.784097][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.784097][T16070] dst_init+0x84/0x4a0 [ 2053.784097][T16070] dst_alloc+0x97/0x150 [ 2053.784097][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.784097][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.784097][T16070] ip6_pol_route+0x56f/0x840 [ 2053.784097][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2053.784097][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2053.784097][T16070] fib6_rule_lookup+0x182/0x630 [ 2053.784097][T16070] ip6_route_input+0x59c/0xa50 [ 2053.784097][T16070] ipv6_rcv+0x397/0x810 [ 2053.784097][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2053.784097][T16070] process_backlog+0x101/0x620 [ 2053.784097][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2053.784097][T16070] net_rx_action+0x495/0xbe0 [ 2053.784097][T16070] __do_softirq+0x1b5/0x7f6 [ 2053.784097][T16070] [ 2053.786222][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.786222][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.786222][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.786222][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.786222][T16070] ip6_route_add+0x1c/0x140 [ 2053.786222][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2053.786222][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2053.786222][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2053.786222][T16070] addrconf_dad_begin+0x310/0x670 [ 2053.786222][T16070] addrconf_dad_work+0x10b/0xab0 [ 2053.786222][T16070] process_one_work+0x84d/0x18a0 [ 2053.786222][T16070] worker_thread+0x587/0xd30 [ 2053.786222][T16070] kthread+0x28a/0x350 [ 2053.786222][T16070] ret_from_fork+0x31/0x70 [ 2053.786222][T16070] ret_from_fork_asm+0x1a/0x30 [ 2053.786222][T16070] [ 2053.788225][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.788225][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.788225][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.788225][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.788225][T16070] ip6_route_add+0x1c/0x140 [ 2053.788225][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2053.788225][T16070] inet6_addr_add+0x4f8/0xa40 [ 2053.788225][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.788225][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.788225][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.788225][T16070] netlink_unicast+0x449/0x710 [ 2053.788225][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.788225][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.788225][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.788225][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.788225][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.788225][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.788225][T16070] [ 2053.790480][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.790480][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.790480][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.790480][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.790480][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2053.790480][T16070] ipv6_add_addr+0x411/0x2000 [ 2053.790480][T16070] inet6_addr_add+0x30e/0xa40 [ 2053.790480][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.790480][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.790480][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.790480][T16070] netlink_unicast+0x449/0x710 [ 2053.790480][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.790480][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.790480][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.790480][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.790480][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.790480][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.790480][T16070] [ 2053.792730][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.792730][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.792730][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.792730][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.792730][T16070] ip6_route_add+0x1c/0x140 [ 2053.792730][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.792730][T16070] addrconf_add_dev+0xe2/0x170 [ 2053.792730][T16070] inet6_addr_add+0x12f/0xa40 [ 2053.792730][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.792730][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.792730][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.792730][T16070] netlink_unicast+0x449/0x710 [ 2053.792730][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.792730][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.792730][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.792730][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.792730][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.792730][T16070] [ 2053.794930][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.794930][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2053.794930][T16070] ipv6_find_idev+0x102/0x170 [ 2053.794930][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.794930][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.794930][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.794930][T16070] netlink_unicast+0x449/0x710 [ 2053.794930][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.794930][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.794930][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.794930][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.794930][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.794930][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.794930][T16070] [ 2053.796660][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2053.796660][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2053.796660][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2053.796660][T16070] ipv6_find_idev+0x102/0x170 [ 2053.796660][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.796660][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.796660][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.796660][T16070] netlink_unicast+0x449/0x710 [ 2053.796660][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.796660][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.796660][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.796660][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.796660][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.796660][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.796660][T16070] [ 2053.798557][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2053.798863][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2053.798863][T16070] dst_init+0x84/0x4a0 [ 2053.798863][T16070] dst_alloc+0x97/0x150 [ 2053.798863][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.798863][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.798863][T16070] ip6_pol_route+0x56f/0x840 [ 2053.798863][T16070] fib6_rule_lookup+0x334/0x630 [ 2053.798863][T16070] ip6_route_output_flags+0x259/0x480 [ 2053.798863][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2053.798863][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2053.798863][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2053.798863][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2053.798863][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2053.798863][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.798863][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.798863][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.798863][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.798863][T16070] [ 2053.801112][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.801112][T16070] dst_init+0x84/0x4a0 [ 2053.801112][T16070] dst_alloc+0x97/0x150 [ 2053.801112][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.801112][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.801112][T16070] ip6_pol_route+0x56f/0x840 [ 2053.801112][T16070] fib6_rule_lookup+0x334/0x630 [ 2053.801112][T16070] ip6_route_output_flags+0x259/0x480 [ 2053.801112][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2053.801112][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2053.801112][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2053.801112][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2053.801112][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2053.801112][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2053.801112][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2053.801112][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2053.801112][T16070] ip6_input_finish+0x120/0x260 [ 2053.801112][T16070] [ 2053.803421][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.803421][T16070] dst_init+0x84/0x4a0 [ 2053.803421][T16070] dst_alloc+0x97/0x150 [ 2053.803421][T16070] ip6_dst_alloc+0x23/0x90 [ 2053.803421][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2053.803421][T16070] ip6_pol_route+0x56f/0x840 [ 2053.803421][T16070] fib6_rule_lookup+0x456/0x630 [ 2053.803421][T16070] ip6_route_input+0x59c/0xa50 [ 2053.803421][T16070] ipv6_rcv+0x397/0x810 [ 2053.803421][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2053.803421][T16070] process_backlog+0x101/0x620 [ 2053.803421][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2053.803421][T16070] net_rx_action+0x495/0xbe0 [ 2053.803421][T16070] __do_softirq+0x1b5/0x7f6 [ 2053.803421][T16070] [ 2053.805257][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.805257][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.805257][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.805257][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.805257][T16070] ip6_route_add+0x1c/0x140 [ 2053.805257][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2053.805257][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2053.805257][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2053.805257][T16070] addrconf_dad_begin+0x310/0x670 [ 2053.805257][T16070] addrconf_dad_work+0x10b/0xab0 [ 2053.805257][T16070] process_one_work+0x84d/0x18a0 [ 2053.805257][T16070] worker_thread+0x587/0xd30 [ 2053.805257][T16070] kthread+0x28a/0x350 [ 2053.805257][T16070] ret_from_fork+0x31/0x70 [ 2053.805257][T16070] ret_from_fork_asm+0x1a/0x30 [ 2053.805257][T16070] [ 2053.807492][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.807492][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.807492][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.807492][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.807492][T16070] ip6_route_add+0x1c/0x140 [ 2053.807492][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2053.807492][T16070] inet6_addr_add+0x4f8/0xa40 [ 2053.807492][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.807492][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.807492][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.807492][T16070] netlink_unicast+0x449/0x710 [ 2053.807492][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.807492][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.807492][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.807492][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.807492][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.807492][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.807492][T16070] [ 2053.810114][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.810114][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.810114][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.810114][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.810114][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2053.810114][T16070] ipv6_add_addr+0x411/0x2000 [ 2053.810114][T16070] inet6_addr_add+0x30e/0xa40 [ 2053.810114][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.810114][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.810114][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.810114][T16070] netlink_unicast+0x449/0x710 [ 2053.810114][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.810114][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.810114][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.810114][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.810114][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.810114][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.810114][T16070] [ 2053.812668][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.812668][T16070] netdev_get_by_index+0x5e/0x80 [ 2053.812668][T16070] fib6_nh_init+0x3d8/0x1580 [ 2053.812668][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2053.812668][T16070] ip6_route_add+0x1c/0x140 [ 2053.812668][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2053.812668][T16070] addrconf_add_dev+0xe2/0x170 [ 2053.812668][T16070] inet6_addr_add+0x12f/0xa40 [ 2053.812668][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2053.812668][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.812668][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.812668][T16070] netlink_unicast+0x449/0x710 [ 2053.812668][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.812668][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.812668][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.812668][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.812668][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.812668][T16070] [ 2053.815102][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.815102][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2053.815102][T16070] ipv6_find_idev+0x102/0x170 [ 2053.815102][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.815102][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.815102][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.815102][T16070] netlink_unicast+0x449/0x710 [ 2053.815102][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.815102][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.815102][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.815102][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.815102][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.815102][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.815102][T16070] [ 2053.817059][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2053.817059][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2053.817059][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2053.817059][T16070] ipv6_find_idev+0x102/0x170 [ 2053.817059][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2053.817059][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2053.817059][T16070] netlink_rcv_skb+0x130/0x360 [ 2053.817059][T16070] netlink_unicast+0x449/0x710 [ 2053.817059][T16070] netlink_sendmsg+0x723/0xbe0 [ 2053.817059][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2053.817059][T16070] ___sys_sendmsg+0xee/0x170 [ 2053.817059][T16070] __sys_sendmsg+0xcd/0x170 [ 2053.817059][T16070] do_syscall_64+0xc6/0x1e0 [ 2053.817059][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2053.817059][T16070] [ 2061.784927][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2061.785392][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.785392][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.785392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.785392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.785392][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2061.785392][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2061.785392][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2061.785392][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2061.785392][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2061.785392][ T74] addrconf_dad_begin+0x310/0x670 [ 2061.785392][ T74] addrconf_dad_work+0x10b/0xab0 [ 2061.785392][ T74] process_one_work+0x84d/0x18a0 [ 2061.785392][ T74] worker_thread+0x587/0xd30 [ 2061.785392][ T74] kthread+0x28a/0x350 [ 2061.785392][ T74] ret_from_fork+0x31/0x70 [ 2061.785392][ T74] ret_from_fork_asm+0x1a/0x30 [ 2061.785392][ T74] [ 2061.787593][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.787593][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.787593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.787593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.787593][ T74] ip6_route_add+0x1c/0x140 [ 2061.787593][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2061.787593][ T74] inet6_addr_add+0x4f8/0xa40 [ 2061.787593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.787593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.787593][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.787593][ T74] netlink_unicast+0x449/0x710 [ 2061.787593][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.787593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.787593][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.787593][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.787593][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.787593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.787593][ T74] [ 2061.789837][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.789837][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.789837][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.789837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.789837][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2061.789837][ T74] ipv6_add_addr+0x411/0x2000 [ 2061.789837][ T74] inet6_addr_add+0x30e/0xa40 [ 2061.789837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.789837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.789837][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.789837][ T74] netlink_unicast+0x449/0x710 [ 2061.789837][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.789837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.789837][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.789837][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.789837][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.789837][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.789837][ T74] [ 2061.792094][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.792094][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.792094][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.792094][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.792094][ T74] ip6_route_add+0x1c/0x140 [ 2061.792094][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2061.792094][ T74] addrconf_add_dev+0xe2/0x170 [ 2061.792094][ T74] inet6_addr_add+0x12f/0xa40 [ 2061.792094][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.792094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.792094][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.792094][ T74] netlink_unicast+0x449/0x710 [ 2061.792094][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.792094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.792094][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.792094][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.792094][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.792094][ T74] [ 2061.794303][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.794303][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2061.794303][ T74] ipv6_find_idev+0x102/0x170 [ 2061.794303][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.794303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.794303][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.794303][ T74] netlink_unicast+0x449/0x710 [ 2061.794303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.794303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.794303][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.794303][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.794303][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.794303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.794303][ T74] [ 2061.796027][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2061.796027][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2061.796027][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2061.796027][ T74] ipv6_find_idev+0x102/0x170 [ 2061.796027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.796027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.796027][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.796027][ T74] netlink_unicast+0x449/0x710 [ 2061.796027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.796027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.796027][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.796027][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.796027][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.796027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.796027][ T74] [ 2061.797924][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2061.798183][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.798183][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.798183][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.798183][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.798183][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2061.798183][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2061.798183][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2061.798183][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2061.798183][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2061.798183][ T74] addrconf_dad_begin+0x310/0x670 [ 2061.798183][ T74] addrconf_dad_work+0x10b/0xab0 [ 2061.798183][ T74] process_one_work+0x84d/0x18a0 [ 2061.798183][ T74] worker_thread+0x587/0xd30 [ 2061.798183][ T74] kthread+0x28a/0x350 [ 2061.798183][ T74] ret_from_fork+0x31/0x70 [ 2061.798183][ T74] ret_from_fork_asm+0x1a/0x30 [ 2061.798183][ T74] [ 2061.800334][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.800334][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.800334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.800334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.800334][ T74] ip6_route_add+0x1c/0x140 [ 2061.800334][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2061.800334][ T74] inet6_addr_add+0x4f8/0xa40 [ 2061.800334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.800334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.800334][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.800334][ T74] netlink_unicast+0x449/0x710 [ 2061.800334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.800334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.800334][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.800334][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.800334][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.800334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.800334][ T74] [ 2061.802587][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.802587][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.802587][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.802587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.802587][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2061.802587][ T74] ipv6_add_addr+0x411/0x2000 [ 2061.802587][ T74] inet6_addr_add+0x30e/0xa40 [ 2061.802587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.802587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.802587][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.802587][ T74] netlink_unicast+0x449/0x710 [ 2061.802587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.802587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.802587][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.802587][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.802587][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.802587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.802587][ T74] [ 2061.804854][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.804854][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.804854][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.804854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.804854][ T74] ip6_route_add+0x1c/0x140 [ 2061.804854][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2061.804854][ T74] addrconf_add_dev+0xe2/0x170 [ 2061.804854][ T74] inet6_addr_add+0x12f/0xa40 [ 2061.804854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.804854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.804854][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.804854][ T74] netlink_unicast+0x449/0x710 [ 2061.804854][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.804854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.804854][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.804854][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.804854][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.804854][ T74] [ 2061.807038][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.807038][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2061.807038][ T74] ipv6_find_idev+0x102/0x170 [ 2061.807038][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.807038][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.807038][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.807038][ T74] netlink_unicast+0x449/0x710 [ 2061.807038][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.807038][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.807038][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.807038][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.807038][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.807038][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.807038][ T74] [ 2061.808753][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2061.808753][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2061.808753][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2061.808753][ T74] ipv6_find_idev+0x102/0x170 [ 2061.808753][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.808753][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.808753][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.808753][ T74] netlink_unicast+0x449/0x710 [ 2061.808753][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.808753][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.808753][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.808753][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.808753][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.808753][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.808753][ T74] [ 2061.810629][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2061.810902][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.810902][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.810902][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.810902][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.810902][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2061.810902][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2061.810902][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2061.810902][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2061.810902][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2061.810902][ T74] addrconf_dad_begin+0x310/0x670 [ 2061.810902][ T74] addrconf_dad_work+0x10b/0xab0 [ 2061.810902][ T74] process_one_work+0x84d/0x18a0 [ 2061.810902][ T74] worker_thread+0x587/0xd30 [ 2061.810902][ T74] kthread+0x28a/0x350 [ 2061.810902][ T74] ret_from_fork+0x31/0x70 [ 2061.810902][ T74] ret_from_fork_asm+0x1a/0x30 [ 2061.810902][ T74] [ 2061.813031][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.813031][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.813031][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.813031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.813031][ T74] ip6_route_add+0x1c/0x140 [ 2061.813031][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2061.813031][ T74] inet6_addr_add+0x4f8/0xa40 [ 2061.813031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.813031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.813031][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.813031][ T74] netlink_unicast+0x449/0x710 [ 2061.813031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.813031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.813031][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.813031][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.813031][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.813031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.813031][ T74] [ 2061.815464][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.815464][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.815464][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.815464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.815464][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2061.815464][ T74] ipv6_add_addr+0x411/0x2000 [ 2061.815464][ T74] inet6_addr_add+0x30e/0xa40 [ 2061.815464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.815464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.815464][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.815464][ T74] netlink_unicast+0x449/0x710 [ 2061.815464][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.815464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.815464][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.815464][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.815464][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.815464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.815464][ T74] [ 2061.817939][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.817939][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.817939][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.817939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.817939][ T74] ip6_route_add+0x1c/0x140 [ 2061.817939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2061.817939][ T74] addrconf_add_dev+0xe2/0x170 [ 2061.817939][ T74] inet6_addr_add+0x12f/0xa40 [ 2061.817939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.817939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.817939][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.817939][ T74] netlink_unicast+0x449/0x710 [ 2061.817939][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.817939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.817939][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.817939][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.817939][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.817939][ T74] [ 2061.820446][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.820446][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2061.820446][ T74] ipv6_find_idev+0x102/0x170 [ 2061.820446][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.820446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.820446][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.820446][ T74] netlink_unicast+0x449/0x710 [ 2061.820446][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.820446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.820446][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.820446][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.820446][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.820446][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.820446][ T74] [ 2061.822316][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2061.822316][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2061.822316][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2061.822316][ T74] ipv6_find_idev+0x102/0x170 [ 2061.822316][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.822316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.822316][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.822316][ T74] netlink_unicast+0x449/0x710 [ 2061.822316][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.822316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.822316][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.822316][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.822316][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.822316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.822316][ T74] [ 2061.824359][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2061.824615][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.824615][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.824615][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.824615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.824615][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2061.824615][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2061.824615][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2061.824615][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2061.824615][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2061.824615][ T74] addrconf_dad_begin+0x310/0x670 [ 2061.824615][ T74] addrconf_dad_work+0x10b/0xab0 [ 2061.824615][ T74] process_one_work+0x84d/0x18a0 [ 2061.824615][ T74] worker_thread+0x587/0xd30 [ 2061.824615][ T74] kthread+0x28a/0x350 [ 2061.824615][ T74] ret_from_fork+0x31/0x70 [ 2061.824615][ T74] ret_from_fork_asm+0x1a/0x30 [ 2061.824615][ T74] [ 2061.826981][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.826981][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.826981][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.826981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.826981][ T74] ip6_route_add+0x1c/0x140 [ 2061.826981][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2061.826981][ T74] inet6_addr_add+0x4f8/0xa40 [ 2061.826981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.826981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.826981][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.826981][ T74] netlink_unicast+0x449/0x710 [ 2061.826981][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.826981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.826981][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.826981][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.826981][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.826981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.826981][ T74] [ 2061.829531][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.829531][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.829531][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.829531][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.829531][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2061.829531][ T74] ipv6_add_addr+0x411/0x2000 [ 2061.829531][ T74] inet6_addr_add+0x30e/0xa40 [ 2061.829531][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.829531][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.829531][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.829531][ T74] netlink_unicast+0x449/0x710 [ 2061.829531][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.829531][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.829531][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.829531][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.829531][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.829531][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.829531][ T74] [ 2061.832035][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.832035][ T74] netdev_get_by_index+0x5e/0x80 [ 2061.832035][ T74] fib6_nh_init+0x3d8/0x1580 [ 2061.832035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2061.832035][ T74] ip6_route_add+0x1c/0x140 [ 2061.832035][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2061.832035][ T74] addrconf_add_dev+0xe2/0x170 [ 2061.832035][ T74] inet6_addr_add+0x12f/0xa40 [ 2061.832035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2061.832035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.832035][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.832035][ T74] netlink_unicast+0x449/0x710 [ 2061.832035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.832035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.832035][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.832035][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.832035][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.832035][ T74] [ 2061.834357][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.834357][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2061.834357][ T74] ipv6_find_idev+0x102/0x170 [ 2061.834357][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.834357][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.834357][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.834357][ T74] netlink_unicast+0x449/0x710 [ 2061.834357][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.834357][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.834357][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.834357][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.834357][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.834357][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.834357][ T74] [ 2061.836255][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2061.836255][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2061.836255][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2061.836255][ T74] ipv6_find_idev+0x102/0x170 [ 2061.836255][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2061.836255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2061.836255][ T74] netlink_rcv_skb+0x130/0x360 [ 2061.836255][ T74] netlink_unicast+0x449/0x710 [ 2061.836255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2061.836255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2061.836255][ T74] ___sys_sendmsg+0xee/0x170 [ 2061.836255][ T74] __sys_sendmsg+0xcd/0x170 [ 2061.836255][ T74] do_syscall_64+0xc6/0x1e0 [ 2061.836255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2061.836255][ T74] [ 2064.057021][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2064.057501][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2064.057501][T16070] dst_init+0x84/0x4a0 [ 2064.057501][T16070] dst_alloc+0x97/0x150 [ 2064.057501][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.057501][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.057501][T16070] ip6_pol_route+0x56f/0x840 [ 2064.057501][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2064.057501][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2064.057501][T16070] fib6_rule_lookup+0x182/0x630 [ 2064.057501][T16070] ip6_route_output_flags+0x259/0x480 [ 2064.057501][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2064.057501][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2064.057501][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2064.057501][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2064.057501][T16070] ip6_datagram_connect+0x2c/0x50 [ 2064.057501][T16070] __sys_connect+0x217/0x2a0 [ 2064.057501][T16070] __x64_sys_connect+0x72/0xb0 [ 2064.057501][T16070] [ 2064.059815][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2064.059815][T16070] dst_init+0x84/0x4a0 [ 2064.059815][T16070] dst_alloc+0x97/0x150 [ 2064.059815][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.059815][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.059815][T16070] ip6_pol_route+0x56f/0x840 [ 2064.059815][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2064.059815][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2064.059815][T16070] fib6_rule_lookup+0x182/0x630 [ 2064.059815][T16070] ip6_route_output_flags+0x259/0x480 [ 2064.059815][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2064.059815][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2064.059815][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2064.059815][T16070] __inet_stream_connect+0x272/0x9f0 [ 2064.059815][T16070] inet_stream_connect+0x57/0xa0 [ 2064.059815][T16070] __sys_connect+0x217/0x2a0 [ 2064.059815][T16070] __x64_sys_connect+0x72/0xb0 [ 2064.059815][T16070] [ 2064.062079][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.062079][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2064.062079][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2064.062079][T16070] fib6_nh_init+0xa22/0x1580 [ 2064.062079][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.062079][T16070] ip6_route_add+0x1c/0x140 [ 2064.062079][T16070] inet6_rtm_newroute+0x104/0x110 [ 2064.062079][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.062079][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.062079][T16070] netlink_unicast+0x449/0x710 [ 2064.062079][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.062079][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.062079][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.062079][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.062079][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.062079][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.062079][T16070] [ 2064.064201][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.064201][T16070] dst_init+0x84/0x4a0 [ 2064.064201][T16070] dst_alloc+0x97/0x150 [ 2064.064201][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.064201][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.064201][T16070] ip6_pol_route+0x56f/0x840 [ 2064.064201][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2064.064201][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2064.064201][T16070] fib6_rule_lookup+0x182/0x630 [ 2064.064201][T16070] ip6_route_input+0x59c/0xa50 [ 2064.064201][T16070] ipv6_rcv+0x397/0x810 [ 2064.064201][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2064.064201][T16070] process_backlog+0x101/0x620 [ 2064.064201][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2064.064201][T16070] net_rx_action+0x495/0xbe0 [ 2064.064201][T16070] __do_softirq+0x1b5/0x7f6 [ 2064.064201][T16070] [ 2064.066287][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.066287][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.066287][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.066287][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.066287][T16070] ip6_route_add+0x1c/0x140 [ 2064.066287][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2064.066287][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2064.066287][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2064.066287][T16070] addrconf_dad_begin+0x310/0x670 [ 2064.066287][T16070] addrconf_dad_work+0x10b/0xab0 [ 2064.066287][T16070] process_one_work+0x84d/0x18a0 [ 2064.066287][T16070] worker_thread+0x587/0xd30 [ 2064.066287][T16070] kthread+0x28a/0x350 [ 2064.066287][T16070] ret_from_fork+0x31/0x70 [ 2064.066287][T16070] ret_from_fork_asm+0x1a/0x30 [ 2064.066287][T16070] [ 2064.068292][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.068292][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.068292][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.068292][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.068292][T16070] ip6_route_add+0x1c/0x140 [ 2064.068292][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2064.068292][T16070] inet6_addr_add+0x4f8/0xa40 [ 2064.068292][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.068292][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.068292][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.068292][T16070] netlink_unicast+0x449/0x710 [ 2064.068292][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.068292][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.068292][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.068292][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.068292][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.068292][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.068292][T16070] [ 2064.070553][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.070553][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.070553][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.070553][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.070553][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2064.070553][T16070] ipv6_add_addr+0x411/0x2000 [ 2064.070553][T16070] inet6_addr_add+0x30e/0xa40 [ 2064.070553][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.070553][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.070553][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.070553][T16070] netlink_unicast+0x449/0x710 [ 2064.070553][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.070553][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.070553][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.070553][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.070553][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.070553][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.070553][T16070] [ 2064.072812][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.072812][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.072812][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.072812][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.072812][T16070] ip6_route_add+0x1c/0x140 [ 2064.072812][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2064.072812][T16070] addrconf_add_dev+0xe2/0x170 [ 2064.072812][T16070] inet6_addr_add+0x12f/0xa40 [ 2064.072812][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.072812][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.072812][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.072812][T16070] netlink_unicast+0x449/0x710 [ 2064.072812][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.072812][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.072812][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.072812][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.072812][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.072812][T16070] [ 2064.075059][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.075059][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2064.075059][T16070] ipv6_find_idev+0x102/0x170 [ 2064.075059][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.075059][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.075059][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.075059][T16070] netlink_unicast+0x449/0x710 [ 2064.075059][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.075059][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.075059][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.075059][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.075059][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.075059][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.075059][T16070] [ 2064.076792][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2064.076792][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2064.076792][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2064.076792][T16070] ipv6_find_idev+0x102/0x170 [ 2064.076792][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.076792][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.076792][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.076792][T16070] netlink_unicast+0x449/0x710 [ 2064.076792][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.076792][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.076792][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.076792][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.076792][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.076792][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.076792][T16070] [ 2064.078697][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2064.079024][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2064.079024][T16070] dst_init+0x84/0x4a0 [ 2064.079024][T16070] dst_alloc+0x97/0x150 [ 2064.079024][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.079024][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.079024][T16070] ip6_pol_route+0x56f/0x840 [ 2064.079024][T16070] fib6_rule_lookup+0x334/0x630 [ 2064.079024][T16070] ip6_route_output_flags+0x259/0x480 [ 2064.079024][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2064.079024][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2064.079024][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2064.079024][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2064.079024][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2064.079024][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.079024][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.079024][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.079024][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.079024][T16070] [ 2064.081282][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.081282][T16070] dst_init+0x84/0x4a0 [ 2064.081282][T16070] dst_alloc+0x97/0x150 [ 2064.081282][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.081282][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.081282][T16070] ip6_pol_route+0x56f/0x840 [ 2064.081282][T16070] fib6_rule_lookup+0x334/0x630 [ 2064.081282][T16070] ip6_route_output_flags+0x259/0x480 [ 2064.081282][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2064.081282][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2064.081282][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2064.081282][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2064.081282][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2064.081282][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2064.081282][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2064.081282][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2064.081282][T16070] ip6_input_finish+0x120/0x260 [ 2064.081282][T16070] [ 2064.083578][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.083578][T16070] dst_init+0x84/0x4a0 [ 2064.083578][T16070] dst_alloc+0x97/0x150 [ 2064.083578][T16070] ip6_dst_alloc+0x23/0x90 [ 2064.083578][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2064.083578][T16070] ip6_pol_route+0x56f/0x840 [ 2064.083578][T16070] fib6_rule_lookup+0x456/0x630 [ 2064.083578][T16070] ip6_route_input+0x59c/0xa50 [ 2064.083578][T16070] ipv6_rcv+0x397/0x810 [ 2064.083578][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2064.083578][T16070] process_backlog+0x101/0x620 [ 2064.083578][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2064.083578][T16070] net_rx_action+0x495/0xbe0 [ 2064.083578][T16070] __do_softirq+0x1b5/0x7f6 [ 2064.083578][T16070] [ 2064.085413][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.085413][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.085413][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.085413][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.085413][T16070] ip6_route_add+0x1c/0x140 [ 2064.085413][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2064.085413][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2064.085413][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2064.085413][T16070] addrconf_dad_begin+0x310/0x670 [ 2064.085413][T16070] addrconf_dad_work+0x10b/0xab0 [ 2064.085413][T16070] process_one_work+0x84d/0x18a0 [ 2064.085413][T16070] worker_thread+0x587/0xd30 [ 2064.085413][T16070] kthread+0x28a/0x350 [ 2064.085413][T16070] ret_from_fork+0x31/0x70 [ 2064.085413][T16070] ret_from_fork_asm+0x1a/0x30 [ 2064.085413][T16070] [ 2064.087653][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.087653][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.087653][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.087653][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.087653][T16070] ip6_route_add+0x1c/0x140 [ 2064.087653][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2064.087653][T16070] inet6_addr_add+0x4f8/0xa40 [ 2064.087653][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.087653][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.087653][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.087653][T16070] netlink_unicast+0x449/0x710 [ 2064.087653][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.087653][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.087653][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.087653][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.087653][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.087653][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.087653][T16070] [ 2064.090280][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.090280][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.090280][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.090280][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.090280][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2064.090280][T16070] ipv6_add_addr+0x411/0x2000 [ 2064.090280][T16070] inet6_addr_add+0x30e/0xa40 [ 2064.090280][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.090280][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.090280][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.090280][T16070] netlink_unicast+0x449/0x710 [ 2064.090280][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.090280][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.090280][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.090280][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.090280][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.090280][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.090280][T16070] [ 2064.092842][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.092842][T16070] netdev_get_by_index+0x5e/0x80 [ 2064.092842][T16070] fib6_nh_init+0x3d8/0x1580 [ 2064.092842][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2064.092842][T16070] ip6_route_add+0x1c/0x140 [ 2064.092842][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2064.092842][T16070] addrconf_add_dev+0xe2/0x170 [ 2064.092842][T16070] inet6_addr_add+0x12f/0xa40 [ 2064.092842][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2064.092842][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.092842][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.092842][T16070] netlink_unicast+0x449/0x710 [ 2064.092842][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.092842][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.092842][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.092842][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.092842][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.092842][T16070] [ 2064.095271][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.095271][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2064.095271][T16070] ipv6_find_idev+0x102/0x170 [ 2064.095271][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.095271][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.095271][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.095271][T16070] netlink_unicast+0x449/0x710 [ 2064.095271][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.095271][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.095271][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.095271][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.095271][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.095271][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.095271][T16070] [ 2064.097224][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2064.097224][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2064.097224][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2064.097224][T16070] ipv6_find_idev+0x102/0x170 [ 2064.097224][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2064.097224][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2064.097224][T16070] netlink_rcv_skb+0x130/0x360 [ 2064.097224][T16070] netlink_unicast+0x449/0x710 [ 2064.097224][T16070] netlink_sendmsg+0x723/0xbe0 [ 2064.097224][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2064.097224][T16070] ___sys_sendmsg+0xee/0x170 [ 2064.097224][T16070] __sys_sendmsg+0xcd/0x170 [ 2064.097224][T16070] do_syscall_64+0xc6/0x1e0 [ 2064.097224][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2064.097224][T16070] [ 2072.080876][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2072.081350][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.081350][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.081350][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.081350][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.081350][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.081350][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.081350][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.081350][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.081350][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.081350][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.081350][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.081350][ T74] process_one_work+0x84d/0x18a0 [ 2072.081350][ T74] worker_thread+0x587/0xd30 [ 2072.081350][ T74] kthread+0x28a/0x350 [ 2072.081350][ T74] ret_from_fork+0x31/0x70 [ 2072.081350][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.081350][ T74] [ 2072.083525][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.083525][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.083525][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.083525][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.083525][ T74] ip6_route_add+0x1c/0x140 [ 2072.083525][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.083525][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.083525][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.083525][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.083525][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.083525][ T74] netlink_unicast+0x449/0x710 [ 2072.083525][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.083525][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.083525][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.083525][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.083525][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.083525][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.083525][ T74] [ 2072.085782][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.085782][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.085782][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.085782][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.085782][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2072.085782][ T74] ipv6_add_addr+0x411/0x2000 [ 2072.085782][ T74] inet6_addr_add+0x30e/0xa40 [ 2072.085782][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.085782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.085782][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.085782][ T74] netlink_unicast+0x449/0x710 [ 2072.085782][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.085782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.085782][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.085782][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.085782][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.085782][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.085782][ T74] [ 2072.088024][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.088024][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.088024][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.088024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.088024][ T74] ip6_route_add+0x1c/0x140 [ 2072.088024][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.088024][ T74] addrconf_add_dev+0xe2/0x170 [ 2072.088024][ T74] inet6_addr_add+0x12f/0xa40 [ 2072.088024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.088024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.088024][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.088024][ T74] netlink_unicast+0x449/0x710 [ 2072.088024][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.088024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.088024][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.088024][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.088024][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.088024][ T74] [ 2072.090227][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.090227][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2072.090227][ T74] ipv6_find_idev+0x102/0x170 [ 2072.090227][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.090227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.090227][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.090227][ T74] netlink_unicast+0x449/0x710 [ 2072.090227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.090227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.090227][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.090227][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.090227][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.090227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.090227][ T74] [ 2072.091959][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2072.091959][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2072.091959][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2072.091959][ T74] ipv6_find_idev+0x102/0x170 [ 2072.091959][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.091959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.091959][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.091959][ T74] netlink_unicast+0x449/0x710 [ 2072.091959][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.091959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.091959][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.091959][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.091959][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.091959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.091959][ T74] [ 2072.093850][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2072.094110][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.094110][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.094110][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.094110][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.094110][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.094110][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.094110][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.094110][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.094110][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.094110][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.094110][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.094110][ T74] process_one_work+0x84d/0x18a0 [ 2072.094110][ T74] worker_thread+0x587/0xd30 [ 2072.094110][ T74] kthread+0x28a/0x350 [ 2072.094110][ T74] ret_from_fork+0x31/0x70 [ 2072.094110][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.094110][ T74] [ 2072.096253][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.096253][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.096253][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.096253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.096253][ T74] ip6_route_add+0x1c/0x140 [ 2072.096253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.096253][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.096253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.096253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.096253][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.096253][ T74] netlink_unicast+0x449/0x710 [ 2072.096253][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.096253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.096253][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.096253][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.096253][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.096253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.096253][ T74] [ 2072.098496][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.098496][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.098496][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.098496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.098496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2072.098496][ T74] ipv6_add_addr+0x411/0x2000 [ 2072.098496][ T74] inet6_addr_add+0x30e/0xa40 [ 2072.098496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.098496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.098496][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.098496][ T74] netlink_unicast+0x449/0x710 [ 2072.098496][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.098496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.098496][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.098496][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.098496][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.098496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.098496][ T74] [ 2072.100746][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.100746][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.100746][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.100746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.100746][ T74] ip6_route_add+0x1c/0x140 [ 2072.100746][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.100746][ T74] addrconf_add_dev+0xe2/0x170 [ 2072.100746][ T74] inet6_addr_add+0x12f/0xa40 [ 2072.100746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.100746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.100746][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.100746][ T74] netlink_unicast+0x449/0x710 [ 2072.100746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.100746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.100746][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.100746][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.100746][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.100746][ T74] [ 2072.103023][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.103023][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2072.103023][ T74] ipv6_find_idev+0x102/0x170 [ 2072.103023][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.103023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.103023][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.103023][ T74] netlink_unicast+0x449/0x710 [ 2072.103023][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.103023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.103023][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.103023][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.103023][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.103023][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.103023][ T74] [ 2072.104738][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2072.104738][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2072.104738][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2072.104738][ T74] ipv6_find_idev+0x102/0x170 [ 2072.104738][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.104738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.104738][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.104738][ T74] netlink_unicast+0x449/0x710 [ 2072.104738][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.104738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.104738][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.104738][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.104738][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.104738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.104738][ T74] [ 2072.106599][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2072.106860][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.106860][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.106860][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.106860][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.106860][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.106860][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.106860][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.106860][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.106860][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.106860][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.106860][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.106860][ T74] process_one_work+0x84d/0x18a0 [ 2072.106860][ T74] worker_thread+0x587/0xd30 [ 2072.106860][ T74] kthread+0x28a/0x350 [ 2072.106860][ T74] ret_from_fork+0x31/0x70 [ 2072.106860][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.106860][ T74] [ 2072.108989][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.108989][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.108989][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.108989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.108989][ T74] ip6_route_add+0x1c/0x140 [ 2072.108989][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.108989][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.108989][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.108989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.108989][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.108989][ T74] netlink_unicast+0x449/0x710 [ 2072.108989][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.108989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.108989][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.108989][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.108989][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.108989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.108989][ T74] [ 2072.111288][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.111288][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.111288][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.111288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.111288][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2072.111288][ T74] ipv6_add_addr+0x411/0x2000 [ 2072.111288][ T74] inet6_addr_add+0x30e/0xa40 [ 2072.111288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.111288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.111288][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.111288][ T74] netlink_unicast+0x449/0x710 [ 2072.111288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.111288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.111288][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.111288][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.111288][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.111288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.111288][ T74] [ 2072.113671][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.113671][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.113671][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.113671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.113671][ T74] ip6_route_add+0x1c/0x140 [ 2072.113671][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.113671][ T74] addrconf_add_dev+0xe2/0x170 [ 2072.113671][ T74] inet6_addr_add+0x12f/0xa40 [ 2072.113671][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.113671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.113671][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.113671][ T74] netlink_unicast+0x449/0x710 [ 2072.113671][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.113671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.113671][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.113671][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.113671][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.113671][ T74] [ 2072.115930][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.115930][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2072.115930][ T74] ipv6_find_idev+0x102/0x170 [ 2072.115930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.115930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.115930][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.115930][ T74] netlink_unicast+0x449/0x710 [ 2072.115930][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.115930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.115930][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.115930][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.115930][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.115930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.115930][ T74] [ 2072.117711][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2072.117711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2072.117711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2072.117711][ T74] ipv6_find_idev+0x102/0x170 [ 2072.117711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.117711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.117711][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.117711][ T74] netlink_unicast+0x449/0x710 [ 2072.117711][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.117711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.117711][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.117711][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.117711][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.117711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.117711][ T74] [ 2072.119643][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2072.119972][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.119972][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.119972][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.119972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.119972][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2072.119972][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2072.119972][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2072.119972][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2072.119972][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2072.119972][ T74] addrconf_dad_begin+0x310/0x670 [ 2072.119972][ T74] addrconf_dad_work+0x10b/0xab0 [ 2072.119972][ T74] process_one_work+0x84d/0x18a0 [ 2072.119972][ T74] worker_thread+0x587/0xd30 [ 2072.119972][ T74] kthread+0x28a/0x350 [ 2072.119972][ T74] ret_from_fork+0x31/0x70 [ 2072.119972][ T74] ret_from_fork_asm+0x1a/0x30 [ 2072.119972][ T74] [ 2072.122176][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.122176][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.122176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.122176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.122176][ T74] ip6_route_add+0x1c/0x140 [ 2072.122176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2072.122176][ T74] inet6_addr_add+0x4f8/0xa40 [ 2072.122176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.122176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.122176][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.122176][ T74] netlink_unicast+0x449/0x710 [ 2072.122176][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.122176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.122176][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.122176][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.122176][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.122176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.122176][ T74] [ 2072.124454][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.124454][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.124454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.124454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.124454][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2072.124454][ T74] ipv6_add_addr+0x411/0x2000 [ 2072.124454][ T74] inet6_addr_add+0x30e/0xa40 [ 2072.124454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.124454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.124454][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.124454][ T74] netlink_unicast+0x449/0x710 [ 2072.124454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.124454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.124454][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.124454][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.124454][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.124454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.124454][ T74] [ 2072.126837][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.126837][ T74] netdev_get_by_index+0x5e/0x80 [ 2072.126837][ T74] fib6_nh_init+0x3d8/0x1580 [ 2072.126837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2072.126837][ T74] ip6_route_add+0x1c/0x140 [ 2072.126837][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2072.126837][ T74] addrconf_add_dev+0xe2/0x170 [ 2072.126837][ T74] inet6_addr_add+0x12f/0xa40 [ 2072.126837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2072.126837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.126837][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.126837][ T74] netlink_unicast+0x449/0x710 [ 2072.126837][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.126837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.126837][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.126837][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.126837][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.126837][ T74] [ 2072.129090][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.129090][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2072.129090][ T74] ipv6_find_idev+0x102/0x170 [ 2072.129090][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.129090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.129090][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.129090][ T74] netlink_unicast+0x449/0x710 [ 2072.129090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.129090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.129090][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.129090][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.129090][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.129090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.129090][ T74] [ 2072.130872][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2072.130872][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2072.130872][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2072.130872][ T74] ipv6_find_idev+0x102/0x170 [ 2072.130872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2072.130872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2072.130872][ T74] netlink_rcv_skb+0x130/0x360 [ 2072.130872][ T74] netlink_unicast+0x449/0x710 [ 2072.130872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2072.130872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2072.130872][ T74] ___sys_sendmsg+0xee/0x170 [ 2072.130872][ T74] __sys_sendmsg+0xcd/0x170 [ 2072.130872][ T74] do_syscall_64+0xc6/0x1e0 [ 2072.130872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2072.130872][ T74] [ 2074.336941][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2074.337445][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2074.337445][T16070] dst_init+0x84/0x4a0 [ 2074.337445][T16070] dst_alloc+0x97/0x150 [ 2074.337445][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.337445][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.337445][T16070] ip6_pol_route+0x56f/0x840 [ 2074.337445][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2074.337445][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2074.337445][T16070] fib6_rule_lookup+0x182/0x630 [ 2074.337445][T16070] ip6_route_output_flags+0x259/0x480 [ 2074.337445][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2074.337445][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2074.337445][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2074.337445][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2074.337445][T16070] ip6_datagram_connect+0x2c/0x50 [ 2074.337445][T16070] __sys_connect+0x217/0x2a0 [ 2074.337445][T16070] __x64_sys_connect+0x72/0xb0 [ 2074.337445][T16070] [ 2074.339763][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2074.339763][T16070] dst_init+0x84/0x4a0 [ 2074.339763][T16070] dst_alloc+0x97/0x150 [ 2074.339763][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.339763][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.339763][T16070] ip6_pol_route+0x56f/0x840 [ 2074.339763][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2074.339763][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2074.339763][T16070] fib6_rule_lookup+0x182/0x630 [ 2074.339763][T16070] ip6_route_output_flags+0x259/0x480 [ 2074.339763][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2074.339763][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2074.339763][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2074.339763][T16070] __inet_stream_connect+0x272/0x9f0 [ 2074.339763][T16070] inet_stream_connect+0x57/0xa0 [ 2074.339763][T16070] __sys_connect+0x217/0x2a0 [ 2074.339763][T16070] __x64_sys_connect+0x72/0xb0 [ 2074.339763][T16070] [ 2074.342038][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.342038][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2074.342038][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2074.342038][T16070] fib6_nh_init+0xa22/0x1580 [ 2074.342038][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.342038][T16070] ip6_route_add+0x1c/0x140 [ 2074.342038][T16070] inet6_rtm_newroute+0x104/0x110 [ 2074.342038][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.342038][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.342038][T16070] netlink_unicast+0x449/0x710 [ 2074.342038][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.342038][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.342038][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.342038][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.342038][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.342038][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.342038][T16070] [ 2074.344154][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.344154][T16070] dst_init+0x84/0x4a0 [ 2074.344154][T16070] dst_alloc+0x97/0x150 [ 2074.344154][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.344154][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.344154][T16070] ip6_pol_route+0x56f/0x840 [ 2074.344154][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2074.344154][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2074.344154][T16070] fib6_rule_lookup+0x182/0x630 [ 2074.344154][T16070] ip6_route_input+0x59c/0xa50 [ 2074.344154][T16070] ipv6_rcv+0x397/0x810 [ 2074.344154][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2074.344154][T16070] process_backlog+0x101/0x620 [ 2074.344154][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2074.344154][T16070] net_rx_action+0x495/0xbe0 [ 2074.344154][T16070] __do_softirq+0x1b5/0x7f6 [ 2074.344154][T16070] [ 2074.346273][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.346273][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.346273][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.346273][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.346273][T16070] ip6_route_add+0x1c/0x140 [ 2074.346273][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2074.346273][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2074.346273][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2074.346273][T16070] addrconf_dad_begin+0x310/0x670 [ 2074.346273][T16070] addrconf_dad_work+0x10b/0xab0 [ 2074.346273][T16070] process_one_work+0x84d/0x18a0 [ 2074.346273][T16070] worker_thread+0x587/0xd30 [ 2074.346273][T16070] kthread+0x28a/0x350 [ 2074.346273][T16070] ret_from_fork+0x31/0x70 [ 2074.346273][T16070] ret_from_fork_asm+0x1a/0x30 [ 2074.346273][T16070] [ 2074.348290][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.348290][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.348290][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.348290][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.348290][T16070] ip6_route_add+0x1c/0x140 [ 2074.348290][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2074.348290][T16070] inet6_addr_add+0x4f8/0xa40 [ 2074.348290][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.348290][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.348290][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.348290][T16070] netlink_unicast+0x449/0x710 [ 2074.348290][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.348290][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.348290][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.348290][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.348290][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.348290][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.348290][T16070] [ 2074.350552][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.350552][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.350552][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.350552][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.350552][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2074.350552][T16070] ipv6_add_addr+0x411/0x2000 [ 2074.350552][T16070] inet6_addr_add+0x30e/0xa40 [ 2074.350552][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.350552][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.350552][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.350552][T16070] netlink_unicast+0x449/0x710 [ 2074.350552][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.350552][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.350552][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.350552][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.350552][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.350552][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.350552][T16070] [ 2074.352832][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.352832][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.352832][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.352832][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.352832][T16070] ip6_route_add+0x1c/0x140 [ 2074.352832][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.352832][T16070] addrconf_add_dev+0xe2/0x170 [ 2074.352832][T16070] inet6_addr_add+0x12f/0xa40 [ 2074.352832][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.352832][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.352832][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.352832][T16070] netlink_unicast+0x449/0x710 [ 2074.352832][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.352832][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.352832][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.352832][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.352832][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.352832][T16070] [ 2074.355070][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.355070][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2074.355070][T16070] ipv6_find_idev+0x102/0x170 [ 2074.355070][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.355070][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.355070][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.355070][T16070] netlink_unicast+0x449/0x710 [ 2074.355070][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.355070][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.355070][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.355070][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.355070][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.355070][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.355070][T16070] [ 2074.356825][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2074.356825][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2074.356825][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2074.356825][T16070] ipv6_find_idev+0x102/0x170 [ 2074.356825][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.356825][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.356825][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.356825][T16070] netlink_unicast+0x449/0x710 [ 2074.356825][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.356825][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.356825][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.356825][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.356825][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.356825][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.356825][T16070] [ 2074.358758][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2074.359087][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2074.359087][T16070] dst_init+0x84/0x4a0 [ 2074.359087][T16070] dst_alloc+0x97/0x150 [ 2074.359087][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.359087][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.359087][T16070] ip6_pol_route+0x56f/0x840 [ 2074.359087][T16070] fib6_rule_lookup+0x334/0x630 [ 2074.359087][T16070] ip6_route_output_flags+0x259/0x480 [ 2074.359087][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2074.359087][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2074.359087][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2074.359087][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2074.359087][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2074.359087][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.359087][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.359087][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.359087][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.359087][T16070] [ 2074.361376][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.361376][T16070] dst_init+0x84/0x4a0 [ 2074.361376][T16070] dst_alloc+0x97/0x150 [ 2074.361376][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.361376][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.361376][T16070] ip6_pol_route+0x56f/0x840 [ 2074.361376][T16070] fib6_rule_lookup+0x334/0x630 [ 2074.361376][T16070] ip6_route_output_flags+0x259/0x480 [ 2074.361376][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2074.361376][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2074.361376][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2074.361376][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2074.361376][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2074.361376][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2074.361376][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2074.361376][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2074.361376][T16070] ip6_input_finish+0x120/0x260 [ 2074.361376][T16070] [ 2074.363693][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.363693][T16070] dst_init+0x84/0x4a0 [ 2074.363693][T16070] dst_alloc+0x97/0x150 [ 2074.363693][T16070] ip6_dst_alloc+0x23/0x90 [ 2074.363693][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2074.363693][T16070] ip6_pol_route+0x56f/0x840 [ 2074.363693][T16070] fib6_rule_lookup+0x456/0x630 [ 2074.363693][T16070] ip6_route_input+0x59c/0xa50 [ 2074.363693][T16070] ipv6_rcv+0x397/0x810 [ 2074.363693][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2074.363693][T16070] process_backlog+0x101/0x620 [ 2074.363693][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2074.363693][T16070] net_rx_action+0x495/0xbe0 [ 2074.363693][T16070] __do_softirq+0x1b5/0x7f6 [ 2074.363693][T16070] [ 2074.365546][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.365546][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.365546][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.365546][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.365546][T16070] ip6_route_add+0x1c/0x140 [ 2074.365546][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2074.365546][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2074.365546][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2074.365546][T16070] addrconf_dad_begin+0x310/0x670 [ 2074.365546][T16070] addrconf_dad_work+0x10b/0xab0 [ 2074.365546][T16070] process_one_work+0x84d/0x18a0 [ 2074.365546][T16070] worker_thread+0x587/0xd30 [ 2074.365546][T16070] kthread+0x28a/0x350 [ 2074.365546][T16070] ret_from_fork+0x31/0x70 [ 2074.365546][T16070] ret_from_fork_asm+0x1a/0x30 [ 2074.365546][T16070] [ 2074.367806][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.367806][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.367806][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.367806][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.367806][T16070] ip6_route_add+0x1c/0x140 [ 2074.367806][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2074.367806][T16070] inet6_addr_add+0x4f8/0xa40 [ 2074.367806][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.367806][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.367806][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.367806][T16070] netlink_unicast+0x449/0x710 [ 2074.367806][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.367806][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.367806][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.367806][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.367806][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.367806][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.367806][T16070] [ 2074.370387][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.370387][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.370387][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.370387][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.370387][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2074.370387][T16070] ipv6_add_addr+0x411/0x2000 [ 2074.370387][T16070] inet6_addr_add+0x30e/0xa40 [ 2074.370387][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.370387][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.370387][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.370387][T16070] netlink_unicast+0x449/0x710 [ 2074.370387][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.370387][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.370387][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.370387][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.370387][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.370387][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.370387][T16070] [ 2074.372962][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.372962][T16070] netdev_get_by_index+0x5e/0x80 [ 2074.372962][T16070] fib6_nh_init+0x3d8/0x1580 [ 2074.372962][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2074.372962][T16070] ip6_route_add+0x1c/0x140 [ 2074.372962][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2074.372962][T16070] addrconf_add_dev+0xe2/0x170 [ 2074.372962][T16070] inet6_addr_add+0x12f/0xa40 [ 2074.372962][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2074.372962][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.372962][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.372962][T16070] netlink_unicast+0x449/0x710 [ 2074.372962][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.372962][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.372962][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.372962][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.372962][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.372962][T16070] [ 2074.375507][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.375507][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2074.375507][T16070] ipv6_find_idev+0x102/0x170 [ 2074.375507][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.375507][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.375507][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.375507][T16070] netlink_unicast+0x449/0x710 [ 2074.375507][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.375507][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.375507][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.375507][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.375507][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.375507][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.375507][T16070] [ 2074.377487][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2074.377487][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2074.377487][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2074.377487][T16070] ipv6_find_idev+0x102/0x170 [ 2074.377487][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2074.377487][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2074.377487][T16070] netlink_rcv_skb+0x130/0x360 [ 2074.377487][T16070] netlink_unicast+0x449/0x710 [ 2074.377487][T16070] netlink_sendmsg+0x723/0xbe0 [ 2074.377487][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2074.377487][T16070] ___sys_sendmsg+0xee/0x170 [ 2074.377487][T16070] __sys_sendmsg+0xcd/0x170 [ 2074.377487][T16070] do_syscall_64+0xc6/0x1e0 [ 2074.377487][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2074.377487][T16070] [ 2082.352994][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2082.353416][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.353416][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.353416][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.353416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.353416][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2082.353416][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2082.353416][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2082.353416][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2082.353416][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2082.353416][ T74] addrconf_dad_begin+0x310/0x670 [ 2082.353416][ T74] addrconf_dad_work+0x10b/0xab0 [ 2082.353416][ T74] process_one_work+0x84d/0x18a0 [ 2082.353416][ T74] worker_thread+0x587/0xd30 [ 2082.353416][ T74] kthread+0x28a/0x350 [ 2082.353416][ T74] ret_from_fork+0x31/0x70 [ 2082.353416][ T74] ret_from_fork_asm+0x1a/0x30 [ 2082.353416][ T74] [ 2082.355352][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.355352][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.355352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.355352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.355352][ T74] ip6_route_add+0x1c/0x140 [ 2082.355352][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2082.355352][ T74] inet6_addr_add+0x4f8/0xa40 [ 2082.355352][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.355352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.355352][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.355352][ T74] netlink_unicast+0x449/0x710 [ 2082.355352][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.355352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.355352][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.355352][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.355352][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.355352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.355352][ T74] [ 2082.357351][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.357351][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.357351][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.357351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.357351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2082.357351][ T74] ipv6_add_addr+0x411/0x2000 [ 2082.357351][ T74] inet6_addr_add+0x30e/0xa40 [ 2082.357351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.357351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.357351][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.357351][ T74] netlink_unicast+0x449/0x710 [ 2082.357351][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.357351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.357351][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.357351][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.357351][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.357351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.357351][ T74] [ 2082.359365][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.359365][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.359365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.359365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.359365][ T74] ip6_route_add+0x1c/0x140 [ 2082.359365][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2082.359365][ T74] addrconf_add_dev+0xe2/0x170 [ 2082.359365][ T74] inet6_addr_add+0x12f/0xa40 [ 2082.359365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.359365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.359365][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.359365][ T74] netlink_unicast+0x449/0x710 [ 2082.359365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.359365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.359365][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.359365][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.359365][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.359365][ T74] [ 2082.361327][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.361327][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2082.361327][ T74] ipv6_find_idev+0x102/0x170 [ 2082.361327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.361327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.361327][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.361327][ T74] netlink_unicast+0x449/0x710 [ 2082.361327][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.361327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.361327][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.361327][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.361327][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.361327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.361327][ T74] [ 2082.362869][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2082.362869][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2082.362869][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2082.362869][ T74] ipv6_find_idev+0x102/0x170 [ 2082.362869][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.362869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.362869][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.362869][ T74] netlink_unicast+0x449/0x710 [ 2082.362869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.362869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.362869][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.362869][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.362869][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.362869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.362869][ T74] [ 2082.364573][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2082.364811][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.364811][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.364811][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.364811][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.364811][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2082.364811][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2082.364811][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2082.364811][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2082.364811][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2082.364811][ T74] addrconf_dad_begin+0x310/0x670 [ 2082.364811][ T74] addrconf_dad_work+0x10b/0xab0 [ 2082.364811][ T74] process_one_work+0x84d/0x18a0 [ 2082.364811][ T74] worker_thread+0x587/0xd30 [ 2082.364811][ T74] kthread+0x28a/0x350 [ 2082.364811][ T74] ret_from_fork+0x31/0x70 [ 2082.364811][ T74] ret_from_fork_asm+0x1a/0x30 [ 2082.364811][ T74] [ 2082.366715][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.366715][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.366715][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.366715][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.366715][ T74] ip6_route_add+0x1c/0x140 [ 2082.366715][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2082.366715][ T74] inet6_addr_add+0x4f8/0xa40 [ 2082.366715][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.366715][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.366715][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.366715][ T74] netlink_unicast+0x449/0x710 [ 2082.366715][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.366715][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.366715][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.366715][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.366715][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.366715][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.366715][ T74] [ 2082.368710][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.368710][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.368710][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.368710][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.368710][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2082.368710][ T74] ipv6_add_addr+0x411/0x2000 [ 2082.368710][ T74] inet6_addr_add+0x30e/0xa40 [ 2082.368710][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.368710][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.368710][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.368710][ T74] netlink_unicast+0x449/0x710 [ 2082.368710][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.368710][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.368710][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.368710][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.368710][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.368710][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.368710][ T74] [ 2082.370697][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.370697][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.370697][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.370697][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.370697][ T74] ip6_route_add+0x1c/0x140 [ 2082.370697][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2082.370697][ T74] addrconf_add_dev+0xe2/0x170 [ 2082.370697][ T74] inet6_addr_add+0x12f/0xa40 [ 2082.370697][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.370697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.370697][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.370697][ T74] netlink_unicast+0x449/0x710 [ 2082.370697][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.370697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.370697][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.370697][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.370697][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.370697][ T74] [ 2082.372655][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.372655][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2082.372655][ T74] ipv6_find_idev+0x102/0x170 [ 2082.372655][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.372655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.372655][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.372655][ T74] netlink_unicast+0x449/0x710 [ 2082.372655][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.372655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.372655][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.372655][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.372655][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.372655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.372655][ T74] [ 2082.374182][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2082.374182][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2082.374182][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2082.374182][ T74] ipv6_find_idev+0x102/0x170 [ 2082.374182][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.374182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.374182][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.374182][ T74] netlink_unicast+0x449/0x710 [ 2082.374182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.374182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.374182][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.374182][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.374182][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.374182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.374182][ T74] [ 2082.375851][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2082.376089][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.376089][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.376089][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.376089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.376089][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2082.376089][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2082.376089][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2082.376089][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2082.376089][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2082.376089][ T74] addrconf_dad_begin+0x310/0x670 [ 2082.376089][ T74] addrconf_dad_work+0x10b/0xab0 [ 2082.376089][ T74] process_one_work+0x84d/0x18a0 [ 2082.376089][ T74] worker_thread+0x587/0xd30 [ 2082.376089][ T74] kthread+0x28a/0x350 [ 2082.376089][ T74] ret_from_fork+0x31/0x70 [ 2082.376089][ T74] ret_from_fork_asm+0x1a/0x30 [ 2082.376089][ T74] [ 2082.377993][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.377993][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.377993][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.377993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.377993][ T74] ip6_route_add+0x1c/0x140 [ 2082.377993][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2082.377993][ T74] inet6_addr_add+0x4f8/0xa40 [ 2082.377993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.377993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.377993][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.377993][ T74] netlink_unicast+0x449/0x710 [ 2082.377993][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.377993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.377993][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.377993][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.377993][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.377993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.377993][ T74] [ 2082.380701][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.380701][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.380701][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.380701][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.380701][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2082.380701][ T74] ipv6_add_addr+0x411/0x2000 [ 2082.380701][ T74] inet6_addr_add+0x30e/0xa40 [ 2082.380701][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.380701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.380701][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.380701][ T74] netlink_unicast+0x449/0x710 [ 2082.380701][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.380701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.380701][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.380701][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.380701][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.380701][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.380701][ T74] [ 2082.382935][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.382935][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.382935][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.382935][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.382935][ T74] ip6_route_add+0x1c/0x140 [ 2082.382935][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2082.382935][ T74] addrconf_add_dev+0xe2/0x170 [ 2082.382935][ T74] inet6_addr_add+0x12f/0xa40 [ 2082.382935][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.382935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.382935][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.382935][ T74] netlink_unicast+0x449/0x710 [ 2082.382935][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.382935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.382935][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.382935][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.382935][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.382935][ T74] [ 2082.385127][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.385127][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2082.385127][ T74] ipv6_find_idev+0x102/0x170 [ 2082.385127][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.385127][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.385127][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.385127][ T74] netlink_unicast+0x449/0x710 [ 2082.385127][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.385127][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.385127][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.385127][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.385127][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.385127][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.385127][ T74] [ 2082.386921][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2082.386921][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2082.386921][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2082.386921][ T74] ipv6_find_idev+0x102/0x170 [ 2082.386921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.386921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.386921][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.386921][ T74] netlink_unicast+0x449/0x710 [ 2082.386921][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.386921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.386921][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.386921][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.386921][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.386921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.386921][ T74] [ 2082.388727][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2082.388972][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.388972][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.388972][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.388972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.388972][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2082.388972][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2082.388972][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2082.388972][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2082.388972][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2082.388972][ T74] addrconf_dad_begin+0x310/0x670 [ 2082.388972][ T74] addrconf_dad_work+0x10b/0xab0 [ 2082.388972][ T74] process_one_work+0x84d/0x18a0 [ 2082.388972][ T74] worker_thread+0x587/0xd30 [ 2082.388972][ T74] kthread+0x28a/0x350 [ 2082.388972][ T74] ret_from_fork+0x31/0x70 [ 2082.388972][ T74] ret_from_fork_asm+0x1a/0x30 [ 2082.388972][ T74] [ 2082.391141][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.391141][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.391141][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.391141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.391141][ T74] ip6_route_add+0x1c/0x140 [ 2082.391141][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2082.391141][ T74] inet6_addr_add+0x4f8/0xa40 [ 2082.391141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.391141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.391141][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.391141][ T74] netlink_unicast+0x449/0x710 [ 2082.391141][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.391141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.391141][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.391141][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.391141][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.391141][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.391141][ T74] [ 2082.393382][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.393382][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.393382][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.393382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.393382][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2082.393382][ T74] ipv6_add_addr+0x411/0x2000 [ 2082.393382][ T74] inet6_addr_add+0x30e/0xa40 [ 2082.393382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.393382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.393382][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.393382][ T74] netlink_unicast+0x449/0x710 [ 2082.393382][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.393382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.393382][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.393382][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.393382][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.393382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.393382][ T74] [ 2082.395678][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.395678][ T74] netdev_get_by_index+0x5e/0x80 [ 2082.395678][ T74] fib6_nh_init+0x3d8/0x1580 [ 2082.395678][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2082.395678][ T74] ip6_route_add+0x1c/0x140 [ 2082.395678][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2082.395678][ T74] addrconf_add_dev+0xe2/0x170 [ 2082.395678][ T74] inet6_addr_add+0x12f/0xa40 [ 2082.395678][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2082.395678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.395678][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.395678][ T74] netlink_unicast+0x449/0x710 [ 2082.395678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.395678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.395678][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.395678][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.395678][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.395678][ T74] [ 2082.397817][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.397817][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2082.397817][ T74] ipv6_find_idev+0x102/0x170 [ 2082.397817][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.397817][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.397817][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.397817][ T74] netlink_unicast+0x449/0x710 [ 2082.397817][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.397817][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.397817][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.397817][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.397817][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.397817][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.397817][ T74] [ 2082.399541][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2082.399541][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2082.399541][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2082.399541][ T74] ipv6_find_idev+0x102/0x170 [ 2082.399541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2082.399541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2082.399541][ T74] netlink_rcv_skb+0x130/0x360 [ 2082.399541][ T74] netlink_unicast+0x449/0x710 [ 2082.399541][ T74] netlink_sendmsg+0x723/0xbe0 [ 2082.399541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2082.399541][ T74] ___sys_sendmsg+0xee/0x170 [ 2082.399541][ T74] __sys_sendmsg+0xcd/0x170 [ 2082.399541][ T74] do_syscall_64+0xc6/0x1e0 [ 2082.399541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2082.399541][ T74] [ 2084.400933][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2084.401389][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2084.401389][T16070] dst_init+0x84/0x4a0 [ 2084.401389][T16070] dst_alloc+0x97/0x150 [ 2084.401389][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.401389][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.401389][T16070] ip6_pol_route+0x56f/0x840 [ 2084.401389][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2084.401389][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2084.401389][T16070] fib6_rule_lookup+0x182/0x630 [ 2084.401389][T16070] ip6_route_output_flags+0x259/0x480 [ 2084.401389][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2084.401389][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2084.401389][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2084.401389][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2084.401389][T16070] ip6_datagram_connect+0x2c/0x50 [ 2084.401389][T16070] __sys_connect+0x217/0x2a0 [ 2084.401389][T16070] __x64_sys_connect+0x72/0xb0 [ 2084.401389][T16070] [ 2084.403735][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2084.403735][T16070] dst_init+0x84/0x4a0 [ 2084.403735][T16070] dst_alloc+0x97/0x150 [ 2084.403735][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.403735][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.403735][T16070] ip6_pol_route+0x56f/0x840 [ 2084.403735][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2084.403735][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2084.403735][T16070] fib6_rule_lookup+0x182/0x630 [ 2084.403735][T16070] ip6_route_output_flags+0x259/0x480 [ 2084.403735][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2084.403735][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2084.403735][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2084.403735][T16070] __inet_stream_connect+0x272/0x9f0 [ 2084.403735][T16070] inet_stream_connect+0x57/0xa0 [ 2084.403735][T16070] __sys_connect+0x217/0x2a0 [ 2084.403735][T16070] __x64_sys_connect+0x72/0xb0 [ 2084.403735][T16070] [ 2084.406011][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.406011][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2084.406011][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2084.406011][T16070] fib6_nh_init+0xa22/0x1580 [ 2084.406011][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.406011][T16070] ip6_route_add+0x1c/0x140 [ 2084.406011][T16070] inet6_rtm_newroute+0x104/0x110 [ 2084.406011][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.406011][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.406011][T16070] netlink_unicast+0x449/0x710 [ 2084.406011][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.406011][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.406011][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.406011][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.406011][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.406011][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.406011][T16070] [ 2084.408138][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.408138][T16070] dst_init+0x84/0x4a0 [ 2084.408138][T16070] dst_alloc+0x97/0x150 [ 2084.408138][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.408138][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.408138][T16070] ip6_pol_route+0x56f/0x840 [ 2084.408138][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2084.408138][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2084.408138][T16070] fib6_rule_lookup+0x182/0x630 [ 2084.408138][T16070] ip6_route_input+0x59c/0xa50 [ 2084.408138][T16070] ipv6_rcv+0x397/0x810 [ 2084.408138][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2084.408138][T16070] process_backlog+0x101/0x620 [ 2084.408138][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2084.408138][T16070] net_rx_action+0x495/0xbe0 [ 2084.408138][T16070] __do_softirq+0x1b5/0x7f6 [ 2084.408138][T16070] [ 2084.410230][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.410230][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.410230][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.410230][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.410230][T16070] ip6_route_add+0x1c/0x140 [ 2084.410230][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2084.410230][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2084.410230][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2084.410230][T16070] addrconf_dad_begin+0x310/0x670 [ 2084.410230][T16070] addrconf_dad_work+0x10b/0xab0 [ 2084.410230][T16070] process_one_work+0x84d/0x18a0 [ 2084.410230][T16070] worker_thread+0x587/0xd30 [ 2084.410230][T16070] kthread+0x28a/0x350 [ 2084.410230][T16070] ret_from_fork+0x31/0x70 [ 2084.410230][T16070] ret_from_fork_asm+0x1a/0x30 [ 2084.410230][T16070] [ 2084.412251][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.412251][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.412251][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.412251][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.412251][T16070] ip6_route_add+0x1c/0x140 [ 2084.412251][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2084.412251][T16070] inet6_addr_add+0x4f8/0xa40 [ 2084.412251][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.412251][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.412251][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.412251][T16070] netlink_unicast+0x449/0x710 [ 2084.412251][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.412251][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.412251][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.412251][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.412251][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.412251][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.412251][T16070] [ 2084.414523][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.414523][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.414523][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.414523][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.414523][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2084.414523][T16070] ipv6_add_addr+0x411/0x2000 [ 2084.414523][T16070] inet6_addr_add+0x30e/0xa40 [ 2084.414523][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.414523][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.414523][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.414523][T16070] netlink_unicast+0x449/0x710 [ 2084.414523][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.414523][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.414523][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.414523][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.414523][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.414523][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.414523][T16070] [ 2084.416793][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.416793][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.416793][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.416793][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.416793][T16070] ip6_route_add+0x1c/0x140 [ 2084.416793][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.416793][T16070] addrconf_add_dev+0xe2/0x170 [ 2084.416793][T16070] inet6_addr_add+0x12f/0xa40 [ 2084.416793][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.416793][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.416793][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.416793][T16070] netlink_unicast+0x449/0x710 [ 2084.416793][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.416793][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.416793][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.416793][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.416793][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.416793][T16070] [ 2084.419027][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.419027][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2084.419027][T16070] ipv6_find_idev+0x102/0x170 [ 2084.419027][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.419027][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.419027][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.419027][T16070] netlink_unicast+0x449/0x710 [ 2084.419027][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.419027][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.419027][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.419027][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.419027][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.419027][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.419027][T16070] [ 2084.420773][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2084.420773][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2084.420773][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2084.420773][T16070] ipv6_find_idev+0x102/0x170 [ 2084.420773][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.420773][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.420773][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.420773][T16070] netlink_unicast+0x449/0x710 [ 2084.420773][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.420773][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.420773][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.420773][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.420773][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.420773][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.420773][T16070] [ 2084.422714][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2084.423053][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2084.423053][T16070] dst_init+0x84/0x4a0 [ 2084.423053][T16070] dst_alloc+0x97/0x150 [ 2084.423053][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.423053][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.423053][T16070] ip6_pol_route+0x56f/0x840 [ 2084.423053][T16070] fib6_rule_lookup+0x334/0x630 [ 2084.423053][T16070] ip6_route_output_flags+0x259/0x480 [ 2084.423053][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2084.423053][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2084.423053][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2084.423053][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2084.423053][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2084.423053][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.423053][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.423053][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.423053][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.423053][T16070] [ 2084.425335][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.425335][T16070] dst_init+0x84/0x4a0 [ 2084.425335][T16070] dst_alloc+0x97/0x150 [ 2084.425335][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.425335][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.425335][T16070] ip6_pol_route+0x56f/0x840 [ 2084.425335][T16070] fib6_rule_lookup+0x334/0x630 [ 2084.425335][T16070] ip6_route_output_flags+0x259/0x480 [ 2084.425335][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2084.425335][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2084.425335][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2084.425335][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2084.425335][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2084.425335][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2084.425335][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2084.425335][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2084.425335][T16070] ip6_input_finish+0x120/0x260 [ 2084.425335][T16070] [ 2084.427648][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.427648][T16070] dst_init+0x84/0x4a0 [ 2084.427648][T16070] dst_alloc+0x97/0x150 [ 2084.427648][T16070] ip6_dst_alloc+0x23/0x90 [ 2084.427648][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2084.427648][T16070] ip6_pol_route+0x56f/0x840 [ 2084.427648][T16070] fib6_rule_lookup+0x456/0x630 [ 2084.427648][T16070] ip6_route_input+0x59c/0xa50 [ 2084.427648][T16070] ipv6_rcv+0x397/0x810 [ 2084.427648][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2084.427648][T16070] process_backlog+0x101/0x620 [ 2084.427648][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2084.427648][T16070] net_rx_action+0x495/0xbe0 [ 2084.427648][T16070] __do_softirq+0x1b5/0x7f6 [ 2084.427648][T16070] [ 2084.429498][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.429498][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.429498][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.429498][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.429498][T16070] ip6_route_add+0x1c/0x140 [ 2084.429498][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2084.429498][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2084.429498][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2084.429498][T16070] addrconf_dad_begin+0x310/0x670 [ 2084.429498][T16070] addrconf_dad_work+0x10b/0xab0 [ 2084.429498][T16070] process_one_work+0x84d/0x18a0 [ 2084.429498][T16070] worker_thread+0x587/0xd30 [ 2084.429498][T16070] kthread+0x28a/0x350 [ 2084.429498][T16070] ret_from_fork+0x31/0x70 [ 2084.429498][T16070] ret_from_fork_asm+0x1a/0x30 [ 2084.429498][T16070] [ 2084.431767][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.431767][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.431767][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.431767][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.431767][T16070] ip6_route_add+0x1c/0x140 [ 2084.431767][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2084.431767][T16070] inet6_addr_add+0x4f8/0xa40 [ 2084.431767][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.431767][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.431767][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.431767][T16070] netlink_unicast+0x449/0x710 [ 2084.431767][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.431767][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.431767][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.431767][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.431767][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.431767][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.431767][T16070] [ 2084.434275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.434275][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.434275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.434275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.434275][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2084.434275][T16070] ipv6_add_addr+0x411/0x2000 [ 2084.434275][T16070] inet6_addr_add+0x30e/0xa40 [ 2084.434275][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.434275][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.434275][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.434275][T16070] netlink_unicast+0x449/0x710 [ 2084.434275][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.434275][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.434275][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.434275][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.434275][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.434275][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.434275][T16070] [ 2084.437055][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.437055][T16070] netdev_get_by_index+0x5e/0x80 [ 2084.437055][T16070] fib6_nh_init+0x3d8/0x1580 [ 2084.437055][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2084.437055][T16070] ip6_route_add+0x1c/0x140 [ 2084.437055][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2084.437055][T16070] addrconf_add_dev+0xe2/0x170 [ 2084.437055][T16070] inet6_addr_add+0x12f/0xa40 [ 2084.437055][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2084.437055][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.437055][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.437055][T16070] netlink_unicast+0x449/0x710 [ 2084.437055][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.437055][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.437055][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.437055][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.437055][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.437055][T16070] [ 2084.439590][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.439590][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2084.439590][T16070] ipv6_find_idev+0x102/0x170 [ 2084.439590][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.439590][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.439590][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.439590][T16070] netlink_unicast+0x449/0x710 [ 2084.439590][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.439590][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.439590][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.439590][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.439590][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.439590][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.439590][T16070] [ 2084.441564][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2084.441564][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2084.441564][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2084.441564][T16070] ipv6_find_idev+0x102/0x170 [ 2084.441564][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2084.441564][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2084.441564][T16070] netlink_rcv_skb+0x130/0x360 [ 2084.441564][T16070] netlink_unicast+0x449/0x710 [ 2084.441564][T16070] netlink_sendmsg+0x723/0xbe0 [ 2084.441564][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2084.441564][T16070] ___sys_sendmsg+0xee/0x170 [ 2084.441564][T16070] __sys_sendmsg+0xcd/0x170 [ 2084.441564][T16070] do_syscall_64+0xc6/0x1e0 [ 2084.441564][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2084.441564][T16070] [ 2092.641010][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2092.641410][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.641410][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.641410][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.641410][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.641410][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2092.641410][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2092.641410][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2092.641410][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2092.641410][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2092.641410][ T74] addrconf_dad_begin+0x310/0x670 [ 2092.641410][ T74] addrconf_dad_work+0x10b/0xab0 [ 2092.641410][ T74] process_one_work+0x84d/0x18a0 [ 2092.641410][ T74] worker_thread+0x587/0xd30 [ 2092.641410][ T74] kthread+0x28a/0x350 [ 2092.641410][ T74] ret_from_fork+0x31/0x70 [ 2092.641410][ T74] ret_from_fork_asm+0x1a/0x30 [ 2092.641410][ T74] [ 2092.643355][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.643355][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.643355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.643355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.643355][ T74] ip6_route_add+0x1c/0x140 [ 2092.643355][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2092.643355][ T74] inet6_addr_add+0x4f8/0xa40 [ 2092.643355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.643355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.643355][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.643355][ T74] netlink_unicast+0x449/0x710 [ 2092.643355][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.643355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.643355][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.643355][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.643355][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.643355][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.643355][ T74] [ 2092.645379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.645379][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.645379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.645379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.645379][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2092.645379][ T74] ipv6_add_addr+0x411/0x2000 [ 2092.645379][ T74] inet6_addr_add+0x30e/0xa40 [ 2092.645379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.645379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.645379][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.645379][ T74] netlink_unicast+0x449/0x710 [ 2092.645379][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.645379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.645379][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.645379][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.645379][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.645379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.645379][ T74] [ 2092.647381][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.647381][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.647381][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.647381][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.647381][ T74] ip6_route_add+0x1c/0x140 [ 2092.647381][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2092.647381][ T74] addrconf_add_dev+0xe2/0x170 [ 2092.647381][ T74] inet6_addr_add+0x12f/0xa40 [ 2092.647381][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.647381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.647381][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.647381][ T74] netlink_unicast+0x449/0x710 [ 2092.647381][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.647381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.647381][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.647381][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.647381][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.647381][ T74] [ 2092.649347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.649347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2092.649347][ T74] ipv6_find_idev+0x102/0x170 [ 2092.649347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.649347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.649347][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.649347][ T74] netlink_unicast+0x449/0x710 [ 2092.649347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.649347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.649347][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.649347][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.649347][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.649347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.649347][ T74] [ 2092.650894][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2092.650894][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2092.650894][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2092.650894][ T74] ipv6_find_idev+0x102/0x170 [ 2092.650894][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.650894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.650894][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.650894][ T74] netlink_unicast+0x449/0x710 [ 2092.650894][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.650894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.650894][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.650894][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.650894][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.650894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.650894][ T74] [ 2092.652595][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2092.652836][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.652836][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.652836][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.652836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.652836][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2092.652836][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2092.652836][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2092.652836][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2092.652836][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2092.652836][ T74] addrconf_dad_begin+0x310/0x670 [ 2092.652836][ T74] addrconf_dad_work+0x10b/0xab0 [ 2092.652836][ T74] process_one_work+0x84d/0x18a0 [ 2092.652836][ T74] worker_thread+0x587/0xd30 [ 2092.652836][ T74] kthread+0x28a/0x350 [ 2092.652836][ T74] ret_from_fork+0x31/0x70 [ 2092.652836][ T74] ret_from_fork_asm+0x1a/0x30 [ 2092.652836][ T74] [ 2092.654764][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.654764][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.654764][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.654764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.654764][ T74] ip6_route_add+0x1c/0x140 [ 2092.654764][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2092.654764][ T74] inet6_addr_add+0x4f8/0xa40 [ 2092.654764][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.654764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.654764][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.654764][ T74] netlink_unicast+0x449/0x710 [ 2092.654764][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.654764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.654764][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.654764][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.654764][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.654764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.654764][ T74] [ 2092.656765][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.656765][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.656765][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.656765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.656765][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2092.656765][ T74] ipv6_add_addr+0x411/0x2000 [ 2092.656765][ T74] inet6_addr_add+0x30e/0xa40 [ 2092.656765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.656765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.656765][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.656765][ T74] netlink_unicast+0x449/0x710 [ 2092.656765][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.656765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.656765][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.656765][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.656765][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.656765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.656765][ T74] [ 2092.658769][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.658769][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.658769][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.658769][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.658769][ T74] ip6_route_add+0x1c/0x140 [ 2092.658769][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2092.658769][ T74] addrconf_add_dev+0xe2/0x170 [ 2092.658769][ T74] inet6_addr_add+0x12f/0xa40 [ 2092.658769][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.658769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.658769][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.658769][ T74] netlink_unicast+0x449/0x710 [ 2092.658769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.658769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.658769][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.658769][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.658769][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.658769][ T74] [ 2092.660725][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.660725][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2092.660725][ T74] ipv6_find_idev+0x102/0x170 [ 2092.660725][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.660725][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.660725][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.660725][ T74] netlink_unicast+0x449/0x710 [ 2092.660725][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.660725][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.660725][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.660725][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.660725][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.660725][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.660725][ T74] [ 2092.662270][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2092.662270][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2092.662270][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2092.662270][ T74] ipv6_find_idev+0x102/0x170 [ 2092.662270][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.662270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.662270][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.662270][ T74] netlink_unicast+0x449/0x710 [ 2092.662270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.662270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.662270][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.662270][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.662270][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.662270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.662270][ T74] [ 2092.663943][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2092.664481][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.664481][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.664481][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.664481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.664481][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2092.664481][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2092.664481][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2092.664481][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2092.664481][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2092.664481][ T74] addrconf_dad_begin+0x310/0x670 [ 2092.664481][ T74] addrconf_dad_work+0x10b/0xab0 [ 2092.664481][ T74] process_one_work+0x84d/0x18a0 [ 2092.664481][ T74] worker_thread+0x587/0xd30 [ 2092.664481][ T74] kthread+0x28a/0x350 [ 2092.664481][ T74] ret_from_fork+0x31/0x70 [ 2092.664481][ T74] ret_from_fork_asm+0x1a/0x30 [ 2092.664481][ T74] [ 2092.666392][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.666392][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.666392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.666392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.666392][ T74] ip6_route_add+0x1c/0x140 [ 2092.666392][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2092.666392][ T74] inet6_addr_add+0x4f8/0xa40 [ 2092.666392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.666392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.666392][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.666392][ T74] netlink_unicast+0x449/0x710 [ 2092.666392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.666392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.666392][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.666392][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.666392][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.666392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.666392][ T74] [ 2092.668629][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.668629][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.668629][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.668629][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.668629][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2092.668629][ T74] ipv6_add_addr+0x411/0x2000 [ 2092.668629][ T74] inet6_addr_add+0x30e/0xa40 [ 2092.668629][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.668629][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.668629][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.668629][ T74] netlink_unicast+0x449/0x710 [ 2092.668629][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.668629][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.668629][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.668629][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.668629][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.668629][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.668629][ T74] [ 2092.670812][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.670812][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.670812][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.670812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.670812][ T74] ip6_route_add+0x1c/0x140 [ 2092.670812][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2092.670812][ T74] addrconf_add_dev+0xe2/0x170 [ 2092.670812][ T74] inet6_addr_add+0x12f/0xa40 [ 2092.670812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.670812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.670812][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.670812][ T74] netlink_unicast+0x449/0x710 [ 2092.670812][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.670812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.670812][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.670812][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.670812][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.670812][ T74] [ 2092.673027][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.673027][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2092.673027][ T74] ipv6_find_idev+0x102/0x170 [ 2092.673027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.673027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.673027][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.673027][ T74] netlink_unicast+0x449/0x710 [ 2092.673027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.673027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.673027][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.673027][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.673027][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.673027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.673027][ T74] [ 2092.674807][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2092.674807][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2092.674807][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2092.674807][ T74] ipv6_find_idev+0x102/0x170 [ 2092.674807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.674807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.674807][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.674807][ T74] netlink_unicast+0x449/0x710 [ 2092.674807][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.674807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.674807][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.674807][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.674807][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.674807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.674807][ T74] [ 2092.676672][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2092.676991][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.676991][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.676991][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.676991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.676991][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2092.676991][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2092.676991][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2092.676991][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2092.676991][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2092.676991][ T74] addrconf_dad_begin+0x310/0x670 [ 2092.676991][ T74] addrconf_dad_work+0x10b/0xab0 [ 2092.676991][ T74] process_one_work+0x84d/0x18a0 [ 2092.676991][ T74] worker_thread+0x587/0xd30 [ 2092.676991][ T74] kthread+0x28a/0x350 [ 2092.676991][ T74] ret_from_fork+0x31/0x70 [ 2092.676991][ T74] ret_from_fork_asm+0x1a/0x30 [ 2092.676991][ T74] [ 2092.679012][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.679012][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.679012][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.679012][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.679012][ T74] ip6_route_add+0x1c/0x140 [ 2092.679012][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2092.679012][ T74] inet6_addr_add+0x4f8/0xa40 [ 2092.679012][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.679012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.679012][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.679012][ T74] netlink_unicast+0x449/0x710 [ 2092.679012][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.679012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.679012][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.679012][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.679012][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.679012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.679012][ T74] [ 2092.681243][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.681243][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.681243][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.681243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.681243][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2092.681243][ T74] ipv6_add_addr+0x411/0x2000 [ 2092.681243][ T74] inet6_addr_add+0x30e/0xa40 [ 2092.681243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.681243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.681243][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.681243][ T74] netlink_unicast+0x449/0x710 [ 2092.681243][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.681243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.681243][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.681243][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.681243][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.681243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.681243][ T74] [ 2092.683484][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.683484][ T74] netdev_get_by_index+0x5e/0x80 [ 2092.683484][ T74] fib6_nh_init+0x3d8/0x1580 [ 2092.683484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2092.683484][ T74] ip6_route_add+0x1c/0x140 [ 2092.683484][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2092.683484][ T74] addrconf_add_dev+0xe2/0x170 [ 2092.683484][ T74] inet6_addr_add+0x12f/0xa40 [ 2092.683484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2092.683484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.683484][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.683484][ T74] netlink_unicast+0x449/0x710 [ 2092.683484][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.683484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.683484][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.683484][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.683484][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.683484][ T74] [ 2092.685743][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.685743][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2092.685743][ T74] ipv6_find_idev+0x102/0x170 [ 2092.685743][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.685743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.685743][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.685743][ T74] netlink_unicast+0x449/0x710 [ 2092.685743][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.685743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.685743][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.685743][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.685743][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.685743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.685743][ T74] [ 2092.687462][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2092.687462][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2092.687462][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2092.687462][ T74] ipv6_find_idev+0x102/0x170 [ 2092.687462][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2092.687462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2092.687462][ T74] netlink_rcv_skb+0x130/0x360 [ 2092.687462][ T74] netlink_unicast+0x449/0x710 [ 2092.687462][ T74] netlink_sendmsg+0x723/0xbe0 [ 2092.687462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2092.687462][ T74] ___sys_sendmsg+0xee/0x170 [ 2092.687462][ T74] __sys_sendmsg+0xcd/0x170 [ 2092.687462][ T74] do_syscall_64+0xc6/0x1e0 [ 2092.687462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2092.687462][ T74] [ 2094.688933][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2094.689386][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2094.689386][T16070] dst_init+0x84/0x4a0 [ 2094.689386][T16070] dst_alloc+0x97/0x150 [ 2094.689386][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.689386][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.689386][T16070] ip6_pol_route+0x56f/0x840 [ 2094.689386][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2094.689386][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2094.689386][T16070] fib6_rule_lookup+0x182/0x630 [ 2094.689386][T16070] ip6_route_output_flags+0x259/0x480 [ 2094.689386][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2094.689386][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2094.689386][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2094.689386][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2094.689386][T16070] ip6_datagram_connect+0x2c/0x50 [ 2094.689386][T16070] __sys_connect+0x217/0x2a0 [ 2094.689386][T16070] __x64_sys_connect+0x72/0xb0 [ 2094.689386][T16070] [ 2094.691670][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2094.691670][T16070] dst_init+0x84/0x4a0 [ 2094.691670][T16070] dst_alloc+0x97/0x150 [ 2094.691670][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.691670][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.691670][T16070] ip6_pol_route+0x56f/0x840 [ 2094.691670][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2094.691670][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2094.691670][T16070] fib6_rule_lookup+0x182/0x630 [ 2094.691670][T16070] ip6_route_output_flags+0x259/0x480 [ 2094.691670][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2094.691670][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2094.691670][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2094.691670][T16070] __inet_stream_connect+0x272/0x9f0 [ 2094.691670][T16070] inet_stream_connect+0x57/0xa0 [ 2094.691670][T16070] __sys_connect+0x217/0x2a0 [ 2094.691670][T16070] __x64_sys_connect+0x72/0xb0 [ 2094.691670][T16070] [ 2094.693929][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.693929][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2094.693929][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2094.693929][T16070] fib6_nh_init+0xa22/0x1580 [ 2094.693929][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.693929][T16070] ip6_route_add+0x1c/0x140 [ 2094.693929][T16070] inet6_rtm_newroute+0x104/0x110 [ 2094.693929][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.693929][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.693929][T16070] netlink_unicast+0x449/0x710 [ 2094.693929][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.693929][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.693929][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.693929][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.693929][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.693929][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.693929][T16070] [ 2094.696036][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.696036][T16070] dst_init+0x84/0x4a0 [ 2094.696036][T16070] dst_alloc+0x97/0x150 [ 2094.696036][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.696036][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.696036][T16070] ip6_pol_route+0x56f/0x840 [ 2094.696036][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2094.696036][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2094.696036][T16070] fib6_rule_lookup+0x182/0x630 [ 2094.696036][T16070] ip6_route_input+0x59c/0xa50 [ 2094.696036][T16070] ipv6_rcv+0x397/0x810 [ 2094.696036][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2094.696036][T16070] process_backlog+0x101/0x620 [ 2094.696036][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2094.696036][T16070] net_rx_action+0x495/0xbe0 [ 2094.696036][T16070] __do_softirq+0x1b5/0x7f6 [ 2094.696036][T16070] [ 2094.698105][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.698105][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.698105][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.698105][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.698105][T16070] ip6_route_add+0x1c/0x140 [ 2094.698105][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2094.698105][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2094.698105][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2094.698105][T16070] addrconf_dad_begin+0x310/0x670 [ 2094.698105][T16070] addrconf_dad_work+0x10b/0xab0 [ 2094.698105][T16070] process_one_work+0x84d/0x18a0 [ 2094.698105][T16070] worker_thread+0x587/0xd30 [ 2094.698105][T16070] kthread+0x28a/0x350 [ 2094.698105][T16070] ret_from_fork+0x31/0x70 [ 2094.698105][T16070] ret_from_fork_asm+0x1a/0x30 [ 2094.698105][T16070] [ 2094.700111][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.700111][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.700111][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.700111][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.700111][T16070] ip6_route_add+0x1c/0x140 [ 2094.700111][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2094.700111][T16070] inet6_addr_add+0x4f8/0xa40 [ 2094.700111][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.700111][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.700111][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.700111][T16070] netlink_unicast+0x449/0x710 [ 2094.700111][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.700111][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.700111][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.700111][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.700111][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.700111][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.700111][T16070] [ 2094.702395][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.702395][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.702395][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.702395][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.702395][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2094.702395][T16070] ipv6_add_addr+0x411/0x2000 [ 2094.702395][T16070] inet6_addr_add+0x30e/0xa40 [ 2094.702395][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.702395][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.702395][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.702395][T16070] netlink_unicast+0x449/0x710 [ 2094.702395][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.702395][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.702395][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.702395][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.702395][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.702395][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.702395][T16070] [ 2094.704634][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.704634][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.704634][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.704634][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.704634][T16070] ip6_route_add+0x1c/0x140 [ 2094.704634][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.704634][T16070] addrconf_add_dev+0xe2/0x170 [ 2094.704634][T16070] inet6_addr_add+0x12f/0xa40 [ 2094.704634][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.704634][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.704634][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.704634][T16070] netlink_unicast+0x449/0x710 [ 2094.704634][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.704634][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.704634][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.704634][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.704634][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.704634][T16070] [ 2094.706836][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.706836][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2094.706836][T16070] ipv6_find_idev+0x102/0x170 [ 2094.706836][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.706836][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.706836][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.706836][T16070] netlink_unicast+0x449/0x710 [ 2094.706836][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.706836][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.706836][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.706836][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.706836][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.706836][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.706836][T16070] [ 2094.708562][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2094.708562][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2094.708562][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2094.708562][T16070] ipv6_find_idev+0x102/0x170 [ 2094.708562][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.708562][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.708562][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.708562][T16070] netlink_unicast+0x449/0x710 [ 2094.708562][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.708562][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.708562][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.708562][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.708562][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.708562][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.708562][T16070] [ 2094.710469][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2094.710780][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2094.710780][T16070] dst_init+0x84/0x4a0 [ 2094.710780][T16070] dst_alloc+0x97/0x150 [ 2094.710780][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.710780][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.710780][T16070] ip6_pol_route+0x56f/0x840 [ 2094.710780][T16070] fib6_rule_lookup+0x334/0x630 [ 2094.710780][T16070] ip6_route_output_flags+0x259/0x480 [ 2094.710780][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2094.710780][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2094.710780][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2094.710780][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2094.710780][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2094.710780][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.710780][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.710780][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.710780][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.710780][T16070] [ 2094.713053][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.713053][T16070] dst_init+0x84/0x4a0 [ 2094.713053][T16070] dst_alloc+0x97/0x150 [ 2094.713053][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.713053][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.713053][T16070] ip6_pol_route+0x56f/0x840 [ 2094.713053][T16070] fib6_rule_lookup+0x334/0x630 [ 2094.713053][T16070] ip6_route_output_flags+0x259/0x480 [ 2094.713053][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2094.713053][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2094.713053][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2094.713053][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2094.713053][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2094.713053][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2094.713053][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2094.713053][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2094.713053][T16070] ip6_input_finish+0x120/0x260 [ 2094.713053][T16070] [ 2094.715324][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.715324][T16070] dst_init+0x84/0x4a0 [ 2094.715324][T16070] dst_alloc+0x97/0x150 [ 2094.715324][T16070] ip6_dst_alloc+0x23/0x90 [ 2094.715324][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2094.715324][T16070] ip6_pol_route+0x56f/0x840 [ 2094.715324][T16070] fib6_rule_lookup+0x456/0x630 [ 2094.715324][T16070] ip6_route_input+0x59c/0xa50 [ 2094.715324][T16070] ipv6_rcv+0x397/0x810 [ 2094.715324][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2094.715324][T16070] process_backlog+0x101/0x620 [ 2094.715324][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2094.715324][T16070] net_rx_action+0x495/0xbe0 [ 2094.715324][T16070] __do_softirq+0x1b5/0x7f6 [ 2094.715324][T16070] [ 2094.717162][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.717162][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.717162][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.717162][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.717162][T16070] ip6_route_add+0x1c/0x140 [ 2094.717162][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2094.717162][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2094.717162][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2094.717162][T16070] addrconf_dad_begin+0x310/0x670 [ 2094.717162][T16070] addrconf_dad_work+0x10b/0xab0 [ 2094.717162][T16070] process_one_work+0x84d/0x18a0 [ 2094.717162][T16070] worker_thread+0x587/0xd30 [ 2094.717162][T16070] kthread+0x28a/0x350 [ 2094.717162][T16070] ret_from_fork+0x31/0x70 [ 2094.717162][T16070] ret_from_fork_asm+0x1a/0x30 [ 2094.717162][T16070] [ 2094.719446][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.719446][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.719446][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.719446][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.719446][T16070] ip6_route_add+0x1c/0x140 [ 2094.719446][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2094.719446][T16070] inet6_addr_add+0x4f8/0xa40 [ 2094.719446][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.719446][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.719446][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.719446][T16070] netlink_unicast+0x449/0x710 [ 2094.719446][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.719446][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.719446][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.719446][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.719446][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.719446][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.719446][T16070] [ 2094.722030][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.722030][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.722030][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.722030][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.722030][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2094.722030][T16070] ipv6_add_addr+0x411/0x2000 [ 2094.722030][T16070] inet6_addr_add+0x30e/0xa40 [ 2094.722030][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.722030][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.722030][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.722030][T16070] netlink_unicast+0x449/0x710 [ 2094.722030][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.722030][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.722030][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.722030][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.722030][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.722030][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.722030][T16070] [ 2094.724655][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.724655][T16070] netdev_get_by_index+0x5e/0x80 [ 2094.724655][T16070] fib6_nh_init+0x3d8/0x1580 [ 2094.724655][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2094.724655][T16070] ip6_route_add+0x1c/0x140 [ 2094.724655][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2094.724655][T16070] addrconf_add_dev+0xe2/0x170 [ 2094.724655][T16070] inet6_addr_add+0x12f/0xa40 [ 2094.724655][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2094.724655][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.724655][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.724655][T16070] netlink_unicast+0x449/0x710 [ 2094.724655][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.724655][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.724655][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.724655][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.724655][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.724655][T16070] [ 2094.727115][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.727115][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2094.727115][T16070] ipv6_find_idev+0x102/0x170 [ 2094.727115][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.727115][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.727115][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.727115][T16070] netlink_unicast+0x449/0x710 [ 2094.727115][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.727115][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.727115][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.727115][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.727115][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.727115][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.727115][T16070] [ 2094.728993][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2094.728993][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2094.728993][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2094.728993][T16070] ipv6_find_idev+0x102/0x170 [ 2094.728993][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2094.728993][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2094.728993][T16070] netlink_rcv_skb+0x130/0x360 [ 2094.728993][T16070] netlink_unicast+0x449/0x710 [ 2094.728993][T16070] netlink_sendmsg+0x723/0xbe0 [ 2094.728993][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2094.728993][T16070] ___sys_sendmsg+0xee/0x170 [ 2094.728993][T16070] __sys_sendmsg+0xcd/0x170 [ 2094.728993][T16070] do_syscall_64+0xc6/0x1e0 [ 2094.728993][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2094.728993][T16070] [ 2102.944929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2102.945390][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.945390][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.945390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.945390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.945390][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2102.945390][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2102.945390][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2102.945390][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2102.945390][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2102.945390][ T74] addrconf_dad_begin+0x310/0x670 [ 2102.945390][ T74] addrconf_dad_work+0x10b/0xab0 [ 2102.945390][ T74] process_one_work+0x84d/0x18a0 [ 2102.945390][ T74] worker_thread+0x587/0xd30 [ 2102.945390][ T74] kthread+0x28a/0x350 [ 2102.945390][ T74] ret_from_fork+0x31/0x70 [ 2102.945390][ T74] ret_from_fork_asm+0x1a/0x30 [ 2102.945390][ T74] [ 2102.947574][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.947574][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.947574][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.947574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.947574][ T74] ip6_route_add+0x1c/0x140 [ 2102.947574][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2102.947574][ T74] inet6_addr_add+0x4f8/0xa40 [ 2102.947574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.947574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.947574][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.947574][ T74] netlink_unicast+0x449/0x710 [ 2102.947574][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.947574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.947574][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.947574][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.947574][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.947574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.947574][ T74] [ 2102.949819][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.949819][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.949819][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.949819][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.949819][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2102.949819][ T74] ipv6_add_addr+0x411/0x2000 [ 2102.949819][ T74] inet6_addr_add+0x30e/0xa40 [ 2102.949819][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.949819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.949819][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.949819][ T74] netlink_unicast+0x449/0x710 [ 2102.949819][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.949819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.949819][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.949819][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.949819][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.949819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.949819][ T74] [ 2102.952076][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.952076][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.952076][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.952076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.952076][ T74] ip6_route_add+0x1c/0x140 [ 2102.952076][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2102.952076][ T74] addrconf_add_dev+0xe2/0x170 [ 2102.952076][ T74] inet6_addr_add+0x12f/0xa40 [ 2102.952076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.952076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.952076][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.952076][ T74] netlink_unicast+0x449/0x710 [ 2102.952076][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.952076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.952076][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.952076][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.952076][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.952076][ T74] [ 2102.954284][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.954284][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2102.954284][ T74] ipv6_find_idev+0x102/0x170 [ 2102.954284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.954284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.954284][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.954284][ T74] netlink_unicast+0x449/0x710 [ 2102.954284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.954284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.954284][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.954284][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.954284][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.954284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.954284][ T74] [ 2102.956006][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2102.956006][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2102.956006][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2102.956006][ T74] ipv6_find_idev+0x102/0x170 [ 2102.956006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.956006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.956006][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.956006][ T74] netlink_unicast+0x449/0x710 [ 2102.956006][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.956006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.956006][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.956006][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.956006][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.956006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.956006][ T74] [ 2102.957894][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2102.958154][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.958154][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.958154][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.958154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.958154][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2102.958154][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2102.958154][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2102.958154][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2102.958154][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2102.958154][ T74] addrconf_dad_begin+0x310/0x670 [ 2102.958154][ T74] addrconf_dad_work+0x10b/0xab0 [ 2102.958154][ T74] process_one_work+0x84d/0x18a0 [ 2102.958154][ T74] worker_thread+0x587/0xd30 [ 2102.958154][ T74] kthread+0x28a/0x350 [ 2102.958154][ T74] ret_from_fork+0x31/0x70 [ 2102.958154][ T74] ret_from_fork_asm+0x1a/0x30 [ 2102.958154][ T74] [ 2102.960310][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.960310][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.960310][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.960310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.960310][ T74] ip6_route_add+0x1c/0x140 [ 2102.960310][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2102.960310][ T74] inet6_addr_add+0x4f8/0xa40 [ 2102.960310][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.960310][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.960310][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.960310][ T74] netlink_unicast+0x449/0x710 [ 2102.960310][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.960310][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.960310][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.960310][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.960310][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.960310][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.960310][ T74] [ 2102.962563][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.962563][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.962563][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.962563][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.962563][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2102.962563][ T74] ipv6_add_addr+0x411/0x2000 [ 2102.962563][ T74] inet6_addr_add+0x30e/0xa40 [ 2102.962563][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.962563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.962563][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.962563][ T74] netlink_unicast+0x449/0x710 [ 2102.962563][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.962563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.962563][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.962563][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.962563][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.962563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.962563][ T74] [ 2102.964793][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.964793][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.964793][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.964793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.964793][ T74] ip6_route_add+0x1c/0x140 [ 2102.964793][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2102.964793][ T74] addrconf_add_dev+0xe2/0x170 [ 2102.964793][ T74] inet6_addr_add+0x12f/0xa40 [ 2102.964793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.964793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.964793][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.964793][ T74] netlink_unicast+0x449/0x710 [ 2102.964793][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.964793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.964793][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.964793][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.964793][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.964793][ T74] [ 2102.966981][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.966981][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2102.966981][ T74] ipv6_find_idev+0x102/0x170 [ 2102.966981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.966981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.966981][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.966981][ T74] netlink_unicast+0x449/0x710 [ 2102.966981][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.966981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.966981][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.966981][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.966981][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.966981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.966981][ T74] [ 2102.968695][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2102.968695][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2102.968695][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2102.968695][ T74] ipv6_find_idev+0x102/0x170 [ 2102.968695][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.968695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.968695][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.968695][ T74] netlink_unicast+0x449/0x710 [ 2102.968695][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.968695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.968695][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.968695][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.968695][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.968695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.968695][ T74] [ 2102.970571][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2102.970846][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.970846][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.970846][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.970846][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.970846][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2102.970846][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2102.970846][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2102.970846][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2102.970846][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2102.970846][ T74] addrconf_dad_begin+0x310/0x670 [ 2102.970846][ T74] addrconf_dad_work+0x10b/0xab0 [ 2102.970846][ T74] process_one_work+0x84d/0x18a0 [ 2102.970846][ T74] worker_thread+0x587/0xd30 [ 2102.970846][ T74] kthread+0x28a/0x350 [ 2102.970846][ T74] ret_from_fork+0x31/0x70 [ 2102.970846][ T74] ret_from_fork_asm+0x1a/0x30 [ 2102.970846][ T74] [ 2102.972987][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.972987][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.972987][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.972987][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.972987][ T74] ip6_route_add+0x1c/0x140 [ 2102.972987][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2102.972987][ T74] inet6_addr_add+0x4f8/0xa40 [ 2102.972987][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.972987][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.972987][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.972987][ T74] netlink_unicast+0x449/0x710 [ 2102.972987][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.972987][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.972987][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.972987][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.972987][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.972987][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.972987][ T74] [ 2102.975412][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.975412][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.975412][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.975412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.975412][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2102.975412][ T74] ipv6_add_addr+0x411/0x2000 [ 2102.975412][ T74] inet6_addr_add+0x30e/0xa40 [ 2102.975412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.975412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.975412][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.975412][ T74] netlink_unicast+0x449/0x710 [ 2102.975412][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.975412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.975412][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.975412][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.975412][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.975412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.975412][ T74] [ 2102.977947][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.977947][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.977947][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.977947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.977947][ T74] ip6_route_add+0x1c/0x140 [ 2102.977947][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2102.977947][ T74] addrconf_add_dev+0xe2/0x170 [ 2102.977947][ T74] inet6_addr_add+0x12f/0xa40 [ 2102.977947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.977947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.977947][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.977947][ T74] netlink_unicast+0x449/0x710 [ 2102.977947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.977947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.977947][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.977947][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.977947][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.977947][ T74] [ 2102.980407][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.980407][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2102.980407][ T74] ipv6_find_idev+0x102/0x170 [ 2102.980407][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.980407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.980407][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.980407][ T74] netlink_unicast+0x449/0x710 [ 2102.980407][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.980407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.980407][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.980407][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.980407][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.980407][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.980407][ T74] [ 2102.982268][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2102.982268][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2102.982268][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2102.982268][ T74] ipv6_find_idev+0x102/0x170 [ 2102.982268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.982268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.982268][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.982268][ T74] netlink_unicast+0x449/0x710 [ 2102.982268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.982268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.982268][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.982268][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.982268][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.982268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.982268][ T74] [ 2102.984326][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2102.984584][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.984584][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.984584][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.984584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.984584][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2102.984584][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2102.984584][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2102.984584][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2102.984584][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2102.984584][ T74] addrconf_dad_begin+0x310/0x670 [ 2102.984584][ T74] addrconf_dad_work+0x10b/0xab0 [ 2102.984584][ T74] process_one_work+0x84d/0x18a0 [ 2102.984584][ T74] worker_thread+0x587/0xd30 [ 2102.984584][ T74] kthread+0x28a/0x350 [ 2102.984584][ T74] ret_from_fork+0x31/0x70 [ 2102.984584][ T74] ret_from_fork_asm+0x1a/0x30 [ 2102.984584][ T74] [ 2102.987019][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.987019][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.987019][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.987019][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.987019][ T74] ip6_route_add+0x1c/0x140 [ 2102.987019][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2102.987019][ T74] inet6_addr_add+0x4f8/0xa40 [ 2102.987019][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.987019][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.987019][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.987019][ T74] netlink_unicast+0x449/0x710 [ 2102.987019][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.987019][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.987019][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.987019][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.987019][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.987019][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.987019][ T74] [ 2102.989499][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.989499][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.989499][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.989499][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.989499][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2102.989499][ T74] ipv6_add_addr+0x411/0x2000 [ 2102.989499][ T74] inet6_addr_add+0x30e/0xa40 [ 2102.989499][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.989499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.989499][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.989499][ T74] netlink_unicast+0x449/0x710 [ 2102.989499][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.989499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.989499][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.989499][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.989499][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.989499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.989499][ T74] [ 2102.991982][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.991982][ T74] netdev_get_by_index+0x5e/0x80 [ 2102.991982][ T74] fib6_nh_init+0x3d8/0x1580 [ 2102.991982][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2102.991982][ T74] ip6_route_add+0x1c/0x140 [ 2102.991982][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2102.991982][ T74] addrconf_add_dev+0xe2/0x170 [ 2102.991982][ T74] inet6_addr_add+0x12f/0xa40 [ 2102.991982][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2102.991982][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.991982][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.991982][ T74] netlink_unicast+0x449/0x710 [ 2102.991982][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.991982][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.991982][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.991982][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.991982][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.991982][ T74] [ 2102.994314][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.994314][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2102.994314][ T74] ipv6_find_idev+0x102/0x170 [ 2102.994314][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.994314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.994314][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.994314][ T74] netlink_unicast+0x449/0x710 [ 2102.994314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.994314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.994314][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.994314][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.994314][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.994314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.994314][ T74] [ 2102.996217][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2102.996217][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2102.996217][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2102.996217][ T74] ipv6_find_idev+0x102/0x170 [ 2102.996217][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2102.996217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2102.996217][ T74] netlink_rcv_skb+0x130/0x360 [ 2102.996217][ T74] netlink_unicast+0x449/0x710 [ 2102.996217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2102.996217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2102.996217][ T74] ___sys_sendmsg+0xee/0x170 [ 2102.996217][ T74] __sys_sendmsg+0xcd/0x170 [ 2102.996217][ T74] do_syscall_64+0xc6/0x1e0 [ 2102.996217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2102.996217][ T74] [ 2104.736948][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2104.737430][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2104.737430][T16070] dst_init+0x84/0x4a0 [ 2104.737430][T16070] dst_alloc+0x97/0x150 [ 2104.737430][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.737430][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.737430][T16070] ip6_pol_route+0x56f/0x840 [ 2104.737430][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2104.737430][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2104.737430][T16070] fib6_rule_lookup+0x182/0x630 [ 2104.737430][T16070] ip6_route_output_flags+0x259/0x480 [ 2104.737430][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2104.737430][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2104.737430][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2104.737430][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2104.737430][T16070] ip6_datagram_connect+0x2c/0x50 [ 2104.737430][T16070] __sys_connect+0x217/0x2a0 [ 2104.737430][T16070] __x64_sys_connect+0x72/0xb0 [ 2104.737430][T16070] [ 2104.739758][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2104.739758][T16070] dst_init+0x84/0x4a0 [ 2104.739758][T16070] dst_alloc+0x97/0x150 [ 2104.739758][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.739758][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.739758][T16070] ip6_pol_route+0x56f/0x840 [ 2104.739758][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2104.739758][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2104.739758][T16070] fib6_rule_lookup+0x182/0x630 [ 2104.739758][T16070] ip6_route_output_flags+0x259/0x480 [ 2104.739758][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2104.739758][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2104.739758][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2104.739758][T16070] __inet_stream_connect+0x272/0x9f0 [ 2104.739758][T16070] inet_stream_connect+0x57/0xa0 [ 2104.739758][T16070] __sys_connect+0x217/0x2a0 [ 2104.739758][T16070] __x64_sys_connect+0x72/0xb0 [ 2104.739758][T16070] [ 2104.742048][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.742048][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2104.742048][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2104.742048][T16070] fib6_nh_init+0xa22/0x1580 [ 2104.742048][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.742048][T16070] ip6_route_add+0x1c/0x140 [ 2104.742048][T16070] inet6_rtm_newroute+0x104/0x110 [ 2104.742048][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.742048][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.742048][T16070] netlink_unicast+0x449/0x710 [ 2104.742048][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.742048][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.742048][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.742048][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.742048][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.742048][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.742048][T16070] [ 2104.744187][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.744187][T16070] dst_init+0x84/0x4a0 [ 2104.744187][T16070] dst_alloc+0x97/0x150 [ 2104.744187][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.744187][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.744187][T16070] ip6_pol_route+0x56f/0x840 [ 2104.744187][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2104.744187][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2104.744187][T16070] fib6_rule_lookup+0x182/0x630 [ 2104.744187][T16070] ip6_route_input+0x59c/0xa50 [ 2104.744187][T16070] ipv6_rcv+0x397/0x810 [ 2104.744187][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2104.744187][T16070] process_backlog+0x101/0x620 [ 2104.744187][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2104.744187][T16070] net_rx_action+0x495/0xbe0 [ 2104.744187][T16070] __do_softirq+0x1b5/0x7f6 [ 2104.744187][T16070] [ 2104.746298][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.746298][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.746298][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.746298][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.746298][T16070] ip6_route_add+0x1c/0x140 [ 2104.746298][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2104.746298][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2104.746298][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2104.746298][T16070] addrconf_dad_begin+0x310/0x670 [ 2104.746298][T16070] addrconf_dad_work+0x10b/0xab0 [ 2104.746298][T16070] process_one_work+0x84d/0x18a0 [ 2104.746298][T16070] worker_thread+0x587/0xd30 [ 2104.746298][T16070] kthread+0x28a/0x350 [ 2104.746298][T16070] ret_from_fork+0x31/0x70 [ 2104.746298][T16070] ret_from_fork_asm+0x1a/0x30 [ 2104.746298][T16070] [ 2104.748322][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.748322][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.748322][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.748322][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.748322][T16070] ip6_route_add+0x1c/0x140 [ 2104.748322][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2104.748322][T16070] inet6_addr_add+0x4f8/0xa40 [ 2104.748322][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.748322][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.748322][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.748322][T16070] netlink_unicast+0x449/0x710 [ 2104.748322][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.748322][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.748322][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.748322][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.748322][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.748322][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.748322][T16070] [ 2104.750591][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.750591][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.750591][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.750591][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.750591][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2104.750591][T16070] ipv6_add_addr+0x411/0x2000 [ 2104.750591][T16070] inet6_addr_add+0x30e/0xa40 [ 2104.750591][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.750591][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.750591][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.750591][T16070] netlink_unicast+0x449/0x710 [ 2104.750591][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.750591][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.750591][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.750591][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.750591][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.750591][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.750591][T16070] [ 2104.752879][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.752879][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.752879][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.752879][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.752879][T16070] ip6_route_add+0x1c/0x140 [ 2104.752879][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2104.752879][T16070] addrconf_add_dev+0xe2/0x170 [ 2104.752879][T16070] inet6_addr_add+0x12f/0xa40 [ 2104.752879][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.752879][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.752879][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.752879][T16070] netlink_unicast+0x449/0x710 [ 2104.752879][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.752879][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.752879][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.752879][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.752879][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.752879][T16070] [ 2104.755106][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.755106][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2104.755106][T16070] ipv6_find_idev+0x102/0x170 [ 2104.755106][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.755106][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.755106][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.755106][T16070] netlink_unicast+0x449/0x710 [ 2104.755106][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.755106][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.755106][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.755106][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.755106][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.755106][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.755106][T16070] [ 2104.756855][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2104.756855][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2104.756855][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2104.756855][T16070] ipv6_find_idev+0x102/0x170 [ 2104.756855][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.756855][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.756855][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.756855][T16070] netlink_unicast+0x449/0x710 [ 2104.756855][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.756855][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.756855][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.756855][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.756855][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.756855][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.756855][T16070] [ 2104.758775][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2104.759099][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2104.759099][T16070] dst_init+0x84/0x4a0 [ 2104.759099][T16070] dst_alloc+0x97/0x150 [ 2104.759099][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.759099][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.759099][T16070] ip6_pol_route+0x56f/0x840 [ 2104.759099][T16070] fib6_rule_lookup+0x334/0x630 [ 2104.759099][T16070] ip6_route_output_flags+0x259/0x480 [ 2104.759099][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2104.759099][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2104.759099][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2104.759099][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2104.759099][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2104.759099][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.759099][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.759099][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.759099][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.759099][T16070] [ 2104.761372][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.761372][T16070] dst_init+0x84/0x4a0 [ 2104.761372][T16070] dst_alloc+0x97/0x150 [ 2104.761372][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.761372][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.761372][T16070] ip6_pol_route+0x56f/0x840 [ 2104.761372][T16070] fib6_rule_lookup+0x334/0x630 [ 2104.761372][T16070] ip6_route_output_flags+0x259/0x480 [ 2104.761372][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2104.761372][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2104.761372][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2104.761372][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2104.761372][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2104.761372][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2104.761372][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2104.761372][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2104.761372][T16070] ip6_input_finish+0x120/0x260 [ 2104.761372][T16070] [ 2104.763681][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.763681][T16070] dst_init+0x84/0x4a0 [ 2104.763681][T16070] dst_alloc+0x97/0x150 [ 2104.763681][T16070] ip6_dst_alloc+0x23/0x90 [ 2104.763681][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2104.763681][T16070] ip6_pol_route+0x56f/0x840 [ 2104.763681][T16070] fib6_rule_lookup+0x456/0x630 [ 2104.763681][T16070] ip6_route_input+0x59c/0xa50 [ 2104.763681][T16070] ipv6_rcv+0x397/0x810 [ 2104.763681][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2104.763681][T16070] process_backlog+0x101/0x620 [ 2104.763681][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2104.763681][T16070] net_rx_action+0x495/0xbe0 [ 2104.763681][T16070] __do_softirq+0x1b5/0x7f6 [ 2104.763681][T16070] [ 2104.765531][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.765531][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.765531][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.765531][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.765531][T16070] ip6_route_add+0x1c/0x140 [ 2104.765531][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2104.765531][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2104.765531][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2104.765531][T16070] addrconf_dad_begin+0x310/0x670 [ 2104.765531][T16070] addrconf_dad_work+0x10b/0xab0 [ 2104.765531][T16070] process_one_work+0x84d/0x18a0 [ 2104.765531][T16070] worker_thread+0x587/0xd30 [ 2104.765531][T16070] kthread+0x28a/0x350 [ 2104.765531][T16070] ret_from_fork+0x31/0x70 [ 2104.765531][T16070] ret_from_fork_asm+0x1a/0x30 [ 2104.765531][T16070] [ 2104.767789][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.767789][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.767789][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.767789][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.767789][T16070] ip6_route_add+0x1c/0x140 [ 2104.767789][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2104.767789][T16070] inet6_addr_add+0x4f8/0xa40 [ 2104.767789][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.767789][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.767789][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.767789][T16070] netlink_unicast+0x449/0x710 [ 2104.767789][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.767789][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.767789][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.767789][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.767789][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.767789][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.767789][T16070] [ 2104.770279][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.770279][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.770279][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.770279][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.770279][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2104.770279][T16070] ipv6_add_addr+0x411/0x2000 [ 2104.770279][T16070] inet6_addr_add+0x30e/0xa40 [ 2104.770279][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.770279][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.770279][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.770279][T16070] netlink_unicast+0x449/0x710 [ 2104.770279][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.770279][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.770279][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.770279][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.770279][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.770279][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.770279][T16070] [ 2104.772853][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.772853][T16070] netdev_get_by_index+0x5e/0x80 [ 2104.772853][T16070] fib6_nh_init+0x3d8/0x1580 [ 2104.772853][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2104.772853][T16070] ip6_route_add+0x1c/0x140 [ 2104.772853][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2104.772853][T16070] addrconf_add_dev+0xe2/0x170 [ 2104.772853][T16070] inet6_addr_add+0x12f/0xa40 [ 2104.772853][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2104.772853][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.772853][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.772853][T16070] netlink_unicast+0x449/0x710 [ 2104.772853][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.772853][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.772853][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.772853][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.772853][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.772853][T16070] [ 2104.775395][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.775395][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2104.775395][T16070] ipv6_find_idev+0x102/0x170 [ 2104.775395][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.775395][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.775395][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.775395][T16070] netlink_unicast+0x449/0x710 [ 2104.775395][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.775395][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.775395][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.775395][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.775395][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.775395][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.775395][T16070] [ 2104.777445][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2104.777445][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2104.777445][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2104.777445][T16070] ipv6_find_idev+0x102/0x170 [ 2104.777445][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2104.777445][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2104.777445][T16070] netlink_rcv_skb+0x130/0x360 [ 2104.777445][T16070] netlink_unicast+0x449/0x710 [ 2104.777445][T16070] netlink_sendmsg+0x723/0xbe0 [ 2104.777445][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2104.777445][T16070] ___sys_sendmsg+0xee/0x170 [ 2104.777445][T16070] __sys_sendmsg+0xcd/0x170 [ 2104.777445][T16070] do_syscall_64+0xc6/0x1e0 [ 2104.777445][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2104.777445][T16070] [ 2113.168930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2113.169364][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.169364][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.169364][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.169364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.169364][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2113.169364][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2113.169364][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2113.169364][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2113.169364][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2113.169364][ T74] addrconf_dad_begin+0x310/0x670 [ 2113.169364][ T74] addrconf_dad_work+0x10b/0xab0 [ 2113.169364][ T74] process_one_work+0x84d/0x18a0 [ 2113.169364][ T74] worker_thread+0x587/0xd30 [ 2113.169364][ T74] kthread+0x28a/0x350 [ 2113.169364][ T74] ret_from_fork+0x31/0x70 [ 2113.169364][ T74] ret_from_fork_asm+0x1a/0x30 [ 2113.169364][ T74] [ 2113.171313][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.171313][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.171313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.171313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.171313][ T74] ip6_route_add+0x1c/0x140 [ 2113.171313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2113.171313][ T74] inet6_addr_add+0x4f8/0xa40 [ 2113.171313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.171313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.171313][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.171313][ T74] netlink_unicast+0x449/0x710 [ 2113.171313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.171313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.171313][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.171313][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.171313][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.171313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.171313][ T74] [ 2113.173337][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.173337][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.173337][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.173337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.173337][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2113.173337][ T74] ipv6_add_addr+0x411/0x2000 [ 2113.173337][ T74] inet6_addr_add+0x30e/0xa40 [ 2113.173337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.173337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.173337][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.173337][ T74] netlink_unicast+0x449/0x710 [ 2113.173337][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.173337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.173337][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.173337][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.173337][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.173337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.173337][ T74] [ 2113.175351][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.175351][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.175351][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.175351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.175351][ T74] ip6_route_add+0x1c/0x140 [ 2113.175351][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2113.175351][ T74] addrconf_add_dev+0xe2/0x170 [ 2113.175351][ T74] inet6_addr_add+0x12f/0xa40 [ 2113.175351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.175351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.175351][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.175351][ T74] netlink_unicast+0x449/0x710 [ 2113.175351][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.175351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.175351][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.175351][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.175351][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.175351][ T74] [ 2113.177334][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.177334][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2113.177334][ T74] ipv6_find_idev+0x102/0x170 [ 2113.177334][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.177334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.177334][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.177334][ T74] netlink_unicast+0x449/0x710 [ 2113.177334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.177334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.177334][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.177334][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.177334][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.177334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.177334][ T74] [ 2113.178888][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2113.178888][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2113.178888][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2113.178888][ T74] ipv6_find_idev+0x102/0x170 [ 2113.178888][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.178888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.178888][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.178888][ T74] netlink_unicast+0x449/0x710 [ 2113.178888][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.178888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.178888][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.178888][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.178888][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.178888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.178888][ T74] [ 2113.180613][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2113.180858][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.180858][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.180858][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.180858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.180858][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2113.180858][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2113.180858][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2113.180858][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2113.180858][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2113.180858][ T74] addrconf_dad_begin+0x310/0x670 [ 2113.180858][ T74] addrconf_dad_work+0x10b/0xab0 [ 2113.180858][ T74] process_one_work+0x84d/0x18a0 [ 2113.180858][ T74] worker_thread+0x587/0xd30 [ 2113.180858][ T74] kthread+0x28a/0x350 [ 2113.180858][ T74] ret_from_fork+0x31/0x70 [ 2113.180858][ T74] ret_from_fork_asm+0x1a/0x30 [ 2113.180858][ T74] [ 2113.182792][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.182792][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.182792][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.182792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.182792][ T74] ip6_route_add+0x1c/0x140 [ 2113.182792][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2113.182792][ T74] inet6_addr_add+0x4f8/0xa40 [ 2113.182792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.182792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.182792][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.182792][ T74] netlink_unicast+0x449/0x710 [ 2113.182792][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.182792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.182792][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.182792][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.182792][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.182792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.182792][ T74] [ 2113.184808][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.184808][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.184808][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.184808][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.184808][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2113.184808][ T74] ipv6_add_addr+0x411/0x2000 [ 2113.184808][ T74] inet6_addr_add+0x30e/0xa40 [ 2113.184808][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.184808][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.184808][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.184808][ T74] netlink_unicast+0x449/0x710 [ 2113.184808][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.184808][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.184808][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.184808][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.184808][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.184808][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.184808][ T74] [ 2113.186818][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.186818][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.186818][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.186818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.186818][ T74] ip6_route_add+0x1c/0x140 [ 2113.186818][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2113.186818][ T74] addrconf_add_dev+0xe2/0x170 [ 2113.186818][ T74] inet6_addr_add+0x12f/0xa40 [ 2113.186818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.186818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.186818][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.186818][ T74] netlink_unicast+0x449/0x710 [ 2113.186818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.186818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.186818][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.186818][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.186818][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.186818][ T74] [ 2113.188807][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.188807][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2113.188807][ T74] ipv6_find_idev+0x102/0x170 [ 2113.188807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.188807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.188807][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.188807][ T74] netlink_unicast+0x449/0x710 [ 2113.188807][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.188807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.188807][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.188807][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.188807][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.188807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.188807][ T74] [ 2113.190360][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2113.190360][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2113.190360][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2113.190360][ T74] ipv6_find_idev+0x102/0x170 [ 2113.190360][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.190360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.190360][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.190360][ T74] netlink_unicast+0x449/0x710 [ 2113.190360][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.190360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.190360][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.190360][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.190360][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.190360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.190360][ T74] [ 2113.192068][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2113.192307][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.192307][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.192307][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.192307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.192307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2113.192307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2113.192307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2113.192307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2113.192307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2113.192307][ T74] addrconf_dad_begin+0x310/0x670 [ 2113.192307][ T74] addrconf_dad_work+0x10b/0xab0 [ 2113.192307][ T74] process_one_work+0x84d/0x18a0 [ 2113.192307][ T74] worker_thread+0x587/0xd30 [ 2113.192307][ T74] kthread+0x28a/0x350 [ 2113.192307][ T74] ret_from_fork+0x31/0x70 [ 2113.192307][ T74] ret_from_fork_asm+0x1a/0x30 [ 2113.192307][ T74] [ 2113.194233][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.194233][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.194233][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.194233][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.194233][ T74] ip6_route_add+0x1c/0x140 [ 2113.194233][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2113.194233][ T74] inet6_addr_add+0x4f8/0xa40 [ 2113.194233][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.194233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.194233][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.194233][ T74] netlink_unicast+0x449/0x710 [ 2113.194233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.194233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.194233][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.194233][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.194233][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.194233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.194233][ T74] [ 2113.196429][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.196429][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.196429][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.196429][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.196429][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2113.196429][ T74] ipv6_add_addr+0x411/0x2000 [ 2113.196429][ T74] inet6_addr_add+0x30e/0xa40 [ 2113.196429][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.196429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.196429][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.196429][ T74] netlink_unicast+0x449/0x710 [ 2113.196429][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.196429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.196429][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.196429][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.196429][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.196429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.196429][ T74] [ 2113.198746][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.198746][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.198746][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.198746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.198746][ T74] ip6_route_add+0x1c/0x140 [ 2113.198746][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2113.198746][ T74] addrconf_add_dev+0xe2/0x170 [ 2113.198746][ T74] inet6_addr_add+0x12f/0xa40 [ 2113.198746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.198746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.198746][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.198746][ T74] netlink_unicast+0x449/0x710 [ 2113.198746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.198746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.198746][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.198746][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.198746][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.198746][ T74] [ 2113.200906][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.200906][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2113.200906][ T74] ipv6_find_idev+0x102/0x170 [ 2113.200906][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.200906][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.200906][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.200906][ T74] netlink_unicast+0x449/0x710 [ 2113.200906][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.200906][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.200906][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.200906][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.200906][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.200906][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.200906][ T74] [ 2113.202649][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2113.202649][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2113.202649][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2113.202649][ T74] ipv6_find_idev+0x102/0x170 [ 2113.202649][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.202649][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.202649][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.202649][ T74] netlink_unicast+0x449/0x710 [ 2113.202649][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.202649][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.202649][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.202649][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.202649][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.202649][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.202649][ T74] [ 2113.204581][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2113.204830][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.204830][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.204830][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.204830][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.204830][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2113.204830][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2113.204830][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2113.204830][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2113.204830][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2113.204830][ T74] addrconf_dad_begin+0x310/0x670 [ 2113.204830][ T74] addrconf_dad_work+0x10b/0xab0 [ 2113.204830][ T74] process_one_work+0x84d/0x18a0 [ 2113.204830][ T74] worker_thread+0x587/0xd30 [ 2113.204830][ T74] kthread+0x28a/0x350 [ 2113.204830][ T74] ret_from_fork+0x31/0x70 [ 2113.204830][ T74] ret_from_fork_asm+0x1a/0x30 [ 2113.204830][ T74] [ 2113.207057][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.207057][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.207057][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.207057][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.207057][ T74] ip6_route_add+0x1c/0x140 [ 2113.207057][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2113.207057][ T74] inet6_addr_add+0x4f8/0xa40 [ 2113.207057][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.207057][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.207057][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.207057][ T74] netlink_unicast+0x449/0x710 [ 2113.207057][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.207057][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.207057][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.207057][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.207057][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.207057][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.207057][ T74] [ 2113.209250][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.209250][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.209250][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.209250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.209250][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2113.209250][ T74] ipv6_add_addr+0x411/0x2000 [ 2113.209250][ T74] inet6_addr_add+0x30e/0xa40 [ 2113.209250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.209250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.209250][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.209250][ T74] netlink_unicast+0x449/0x710 [ 2113.209250][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.209250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.209250][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.209250][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.209250][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.209250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.209250][ T74] [ 2113.211757][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.211757][ T74] netdev_get_by_index+0x5e/0x80 [ 2113.211757][ T74] fib6_nh_init+0x3d8/0x1580 [ 2113.211757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2113.211757][ T74] ip6_route_add+0x1c/0x140 [ 2113.211757][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2113.211757][ T74] addrconf_add_dev+0xe2/0x170 [ 2113.211757][ T74] inet6_addr_add+0x12f/0xa40 [ 2113.211757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2113.211757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.211757][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.211757][ T74] netlink_unicast+0x449/0x710 [ 2113.211757][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.211757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.211757][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.211757][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.211757][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.211757][ T74] [ 2113.213985][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.213985][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2113.213985][ T74] ipv6_find_idev+0x102/0x170 [ 2113.213985][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.213985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.213985][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.213985][ T74] netlink_unicast+0x449/0x710 [ 2113.213985][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.213985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.213985][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.213985][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.213985][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.213985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.213985][ T74] [ 2113.215727][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2113.215727][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2113.215727][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2113.215727][ T74] ipv6_find_idev+0x102/0x170 [ 2113.215727][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2113.215727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2113.215727][ T74] netlink_rcv_skb+0x130/0x360 [ 2113.215727][ T74] netlink_unicast+0x449/0x710 [ 2113.215727][ T74] netlink_sendmsg+0x723/0xbe0 [ 2113.215727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2113.215727][ T74] ___sys_sendmsg+0xee/0x170 [ 2113.215727][ T74] __sys_sendmsg+0xcd/0x170 [ 2113.215727][ T74] do_syscall_64+0xc6/0x1e0 [ 2113.215727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2113.215727][ T74] [ 2115.024927][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2115.025390][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2115.025390][T16070] dst_init+0x84/0x4a0 [ 2115.025390][T16070] dst_alloc+0x97/0x150 [ 2115.025390][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.025390][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.025390][T16070] ip6_pol_route+0x56f/0x840 [ 2115.025390][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2115.025390][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2115.025390][T16070] fib6_rule_lookup+0x182/0x630 [ 2115.025390][T16070] ip6_route_output_flags+0x259/0x480 [ 2115.025390][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2115.025390][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2115.025390][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2115.025390][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2115.025390][T16070] ip6_datagram_connect+0x2c/0x50 [ 2115.025390][T16070] __sys_connect+0x217/0x2a0 [ 2115.025390][T16070] __x64_sys_connect+0x72/0xb0 [ 2115.025390][T16070] [ 2115.027710][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2115.027710][T16070] dst_init+0x84/0x4a0 [ 2115.027710][T16070] dst_alloc+0x97/0x150 [ 2115.027710][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.027710][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.027710][T16070] ip6_pol_route+0x56f/0x840 [ 2115.027710][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2115.027710][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2115.027710][T16070] fib6_rule_lookup+0x182/0x630 [ 2115.027710][T16070] ip6_route_output_flags+0x259/0x480 [ 2115.027710][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2115.027710][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2115.027710][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2115.027710][T16070] __inet_stream_connect+0x272/0x9f0 [ 2115.027710][T16070] inet_stream_connect+0x57/0xa0 [ 2115.027710][T16070] __sys_connect+0x217/0x2a0 [ 2115.027710][T16070] __x64_sys_connect+0x72/0xb0 [ 2115.027710][T16070] [ 2115.029995][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.029995][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2115.029995][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2115.029995][T16070] fib6_nh_init+0xa22/0x1580 [ 2115.029995][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.029995][T16070] ip6_route_add+0x1c/0x140 [ 2115.029995][T16070] inet6_rtm_newroute+0x104/0x110 [ 2115.029995][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.029995][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.029995][T16070] netlink_unicast+0x449/0x710 [ 2115.029995][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.029995][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.029995][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.029995][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.029995][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.029995][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.029995][T16070] [ 2115.032123][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.032123][T16070] dst_init+0x84/0x4a0 [ 2115.032123][T16070] dst_alloc+0x97/0x150 [ 2115.032123][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.032123][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.032123][T16070] ip6_pol_route+0x56f/0x840 [ 2115.032123][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2115.032123][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2115.032123][T16070] fib6_rule_lookup+0x182/0x630 [ 2115.032123][T16070] ip6_route_input+0x59c/0xa50 [ 2115.032123][T16070] ipv6_rcv+0x397/0x810 [ 2115.032123][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2115.032123][T16070] process_backlog+0x101/0x620 [ 2115.032123][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2115.032123][T16070] net_rx_action+0x495/0xbe0 [ 2115.032123][T16070] __do_softirq+0x1b5/0x7f6 [ 2115.032123][T16070] [ 2115.034215][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.034215][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.034215][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.034215][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.034215][T16070] ip6_route_add+0x1c/0x140 [ 2115.034215][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2115.034215][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2115.034215][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2115.034215][T16070] addrconf_dad_begin+0x310/0x670 [ 2115.034215][T16070] addrconf_dad_work+0x10b/0xab0 [ 2115.034215][T16070] process_one_work+0x84d/0x18a0 [ 2115.034215][T16070] worker_thread+0x587/0xd30 [ 2115.034215][T16070] kthread+0x28a/0x350 [ 2115.034215][T16070] ret_from_fork+0x31/0x70 [ 2115.034215][T16070] ret_from_fork_asm+0x1a/0x30 [ 2115.034215][T16070] [ 2115.036236][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.036236][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.036236][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.036236][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.036236][T16070] ip6_route_add+0x1c/0x140 [ 2115.036236][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2115.036236][T16070] inet6_addr_add+0x4f8/0xa40 [ 2115.036236][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.036236][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.036236][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.036236][T16070] netlink_unicast+0x449/0x710 [ 2115.036236][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.036236][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.036236][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.036236][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.036236][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.036236][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.036236][T16070] [ 2115.038497][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.038497][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.038497][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.038497][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.038497][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2115.038497][T16070] ipv6_add_addr+0x411/0x2000 [ 2115.038497][T16070] inet6_addr_add+0x30e/0xa40 [ 2115.038497][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.038497][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.038497][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.038497][T16070] netlink_unicast+0x449/0x710 [ 2115.038497][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.038497][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.038497][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.038497][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.038497][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.038497][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.038497][T16070] [ 2115.040753][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.040753][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.040753][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.040753][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.040753][T16070] ip6_route_add+0x1c/0x140 [ 2115.040753][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.040753][T16070] addrconf_add_dev+0xe2/0x170 [ 2115.040753][T16070] inet6_addr_add+0x12f/0xa40 [ 2115.040753][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.040753][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.040753][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.040753][T16070] netlink_unicast+0x449/0x710 [ 2115.040753][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.040753][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.040753][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.040753][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.040753][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.040753][T16070] [ 2115.042982][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.042982][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2115.042982][T16070] ipv6_find_idev+0x102/0x170 [ 2115.042982][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.042982][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.042982][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.042982][T16070] netlink_unicast+0x449/0x710 [ 2115.042982][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.042982][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.042982][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.042982][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.042982][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.042982][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.042982][T16070] [ 2115.044732][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2115.044732][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2115.044732][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2115.044732][T16070] ipv6_find_idev+0x102/0x170 [ 2115.044732][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.044732][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.044732][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.044732][T16070] netlink_unicast+0x449/0x710 [ 2115.044732][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.044732][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.044732][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.044732][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.044732][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.044732][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.044732][T16070] [ 2115.046647][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2115.046980][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2115.046980][T16070] dst_init+0x84/0x4a0 [ 2115.046980][T16070] dst_alloc+0x97/0x150 [ 2115.046980][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.046980][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.046980][T16070] ip6_pol_route+0x56f/0x840 [ 2115.046980][T16070] fib6_rule_lookup+0x334/0x630 [ 2115.046980][T16070] ip6_route_output_flags+0x259/0x480 [ 2115.046980][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2115.046980][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2115.046980][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2115.046980][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2115.046980][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2115.046980][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.046980][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.046980][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.046980][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.046980][T16070] [ 2115.049258][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.049258][T16070] dst_init+0x84/0x4a0 [ 2115.049258][T16070] dst_alloc+0x97/0x150 [ 2115.049258][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.049258][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.049258][T16070] ip6_pol_route+0x56f/0x840 [ 2115.049258][T16070] fib6_rule_lookup+0x334/0x630 [ 2115.049258][T16070] ip6_route_output_flags+0x259/0x480 [ 2115.049258][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2115.049258][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2115.049258][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2115.049258][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2115.049258][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2115.049258][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2115.049258][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2115.049258][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2115.049258][T16070] ip6_input_finish+0x120/0x260 [ 2115.049258][T16070] [ 2115.051563][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.051563][T16070] dst_init+0x84/0x4a0 [ 2115.051563][T16070] dst_alloc+0x97/0x150 [ 2115.051563][T16070] ip6_dst_alloc+0x23/0x90 [ 2115.051563][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2115.051563][T16070] ip6_pol_route+0x56f/0x840 [ 2115.051563][T16070] fib6_rule_lookup+0x456/0x630 [ 2115.051563][T16070] ip6_route_input+0x59c/0xa50 [ 2115.051563][T16070] ipv6_rcv+0x397/0x810 [ 2115.051563][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2115.051563][T16070] process_backlog+0x101/0x620 [ 2115.051563][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2115.051563][T16070] net_rx_action+0x495/0xbe0 [ 2115.051563][T16070] __do_softirq+0x1b5/0x7f6 [ 2115.051563][T16070] [ 2115.053413][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.053413][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.053413][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.053413][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.053413][T16070] ip6_route_add+0x1c/0x140 [ 2115.053413][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2115.053413][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2115.053413][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2115.053413][T16070] addrconf_dad_begin+0x310/0x670 [ 2115.053413][T16070] addrconf_dad_work+0x10b/0xab0 [ 2115.053413][T16070] process_one_work+0x84d/0x18a0 [ 2115.053413][T16070] worker_thread+0x587/0xd30 [ 2115.053413][T16070] kthread+0x28a/0x350 [ 2115.053413][T16070] ret_from_fork+0x31/0x70 [ 2115.053413][T16070] ret_from_fork_asm+0x1a/0x30 [ 2115.053413][T16070] [ 2115.055595][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.055595][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.055595][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.055595][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.055595][T16070] ip6_route_add+0x1c/0x140 [ 2115.055595][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2115.055595][T16070] inet6_addr_add+0x4f8/0xa40 [ 2115.055595][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.055595][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.055595][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.055595][T16070] netlink_unicast+0x449/0x710 [ 2115.055595][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.055595][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.055595][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.055595][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.055595][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.055595][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.055595][T16070] [ 2115.058018][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.058018][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.058018][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.058018][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.058018][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2115.058018][T16070] ipv6_add_addr+0x411/0x2000 [ 2115.058018][T16070] inet6_addr_add+0x30e/0xa40 [ 2115.058018][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.058018][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.058018][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.058018][T16070] netlink_unicast+0x449/0x710 [ 2115.058018][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.058018][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.058018][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.058018][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.058018][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.058018][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.058018][T16070] [ 2115.060441][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.060441][T16070] netdev_get_by_index+0x5e/0x80 [ 2115.060441][T16070] fib6_nh_init+0x3d8/0x1580 [ 2115.060441][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2115.060441][T16070] ip6_route_add+0x1c/0x140 [ 2115.060441][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2115.060441][T16070] addrconf_add_dev+0xe2/0x170 [ 2115.060441][T16070] inet6_addr_add+0x12f/0xa40 [ 2115.060441][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2115.060441][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.060441][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.060441][T16070] netlink_unicast+0x449/0x710 [ 2115.060441][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.060441][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.060441][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.060441][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.060441][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.060441][T16070] [ 2115.062836][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.062836][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2115.062836][T16070] ipv6_find_idev+0x102/0x170 [ 2115.062836][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.062836][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.062836][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.062836][T16070] netlink_unicast+0x449/0x710 [ 2115.062836][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.062836][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.062836][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.062836][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.062836][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.062836][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.062836][T16070] [ 2115.064660][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2115.064660][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2115.064660][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2115.064660][T16070] ipv6_find_idev+0x102/0x170 [ 2115.064660][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2115.064660][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2115.064660][T16070] netlink_rcv_skb+0x130/0x360 [ 2115.064660][T16070] netlink_unicast+0x449/0x710 [ 2115.064660][T16070] netlink_sendmsg+0x723/0xbe0 [ 2115.064660][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2115.064660][T16070] ___sys_sendmsg+0xee/0x170 [ 2115.064660][T16070] __sys_sendmsg+0xcd/0x170 [ 2115.064660][T16070] do_syscall_64+0xc6/0x1e0 [ 2115.064660][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2115.064660][T16070] [ 2123.272925][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2123.273317][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.273317][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.273317][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.273317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.273317][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2123.273317][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2123.273317][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2123.273317][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2123.273317][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2123.273317][ T74] addrconf_dad_begin+0x310/0x670 [ 2123.273317][ T74] addrconf_dad_work+0x10b/0xab0 [ 2123.273317][ T74] process_one_work+0x84d/0x18a0 [ 2123.273317][ T74] worker_thread+0x587/0xd30 [ 2123.273317][ T74] kthread+0x28a/0x350 [ 2123.273317][ T74] ret_from_fork+0x31/0x70 [ 2123.273317][ T74] ret_from_fork_asm+0x1a/0x30 [ 2123.273317][ T74] [ 2123.275265][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.275265][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.275265][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.275265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.275265][ T74] ip6_route_add+0x1c/0x140 [ 2123.275265][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2123.275265][ T74] inet6_addr_add+0x4f8/0xa40 [ 2123.275265][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.275265][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.275265][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.275265][ T74] netlink_unicast+0x449/0x710 [ 2123.275265][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.275265][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.275265][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.275265][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.275265][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.275265][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.275265][ T74] [ 2123.277269][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.277269][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.277269][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.277269][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.277269][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2123.277269][ T74] ipv6_add_addr+0x411/0x2000 [ 2123.277269][ T74] inet6_addr_add+0x30e/0xa40 [ 2123.277269][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.277269][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.277269][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.277269][ T74] netlink_unicast+0x449/0x710 [ 2123.277269][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.277269][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.277269][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.277269][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.277269][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.277269][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.277269][ T74] [ 2123.279280][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.279280][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.279280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.279280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.279280][ T74] ip6_route_add+0x1c/0x140 [ 2123.279280][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2123.279280][ T74] addrconf_add_dev+0xe2/0x170 [ 2123.279280][ T74] inet6_addr_add+0x12f/0xa40 [ 2123.279280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.279280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.279280][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.279280][ T74] netlink_unicast+0x449/0x710 [ 2123.279280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.279280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.279280][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.279280][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.279280][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.279280][ T74] [ 2123.281245][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.281245][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2123.281245][ T74] ipv6_find_idev+0x102/0x170 [ 2123.281245][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.281245][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.281245][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.281245][ T74] netlink_unicast+0x449/0x710 [ 2123.281245][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.281245][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.281245][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.281245][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.281245][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.281245][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.281245][ T74] [ 2123.282787][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2123.282787][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2123.282787][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2123.282787][ T74] ipv6_find_idev+0x102/0x170 [ 2123.282787][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.282787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.282787][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.282787][ T74] netlink_unicast+0x449/0x710 [ 2123.282787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.282787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.282787][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.282787][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.282787][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.282787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.282787][ T74] [ 2123.284465][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2123.284702][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.284702][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.284702][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.284702][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.284702][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2123.284702][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2123.284702][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2123.284702][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2123.284702][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2123.284702][ T74] addrconf_dad_begin+0x310/0x670 [ 2123.284702][ T74] addrconf_dad_work+0x10b/0xab0 [ 2123.284702][ T74] process_one_work+0x84d/0x18a0 [ 2123.284702][ T74] worker_thread+0x587/0xd30 [ 2123.284702][ T74] kthread+0x28a/0x350 [ 2123.284702][ T74] ret_from_fork+0x31/0x70 [ 2123.284702][ T74] ret_from_fork_asm+0x1a/0x30 [ 2123.284702][ T74] [ 2123.286608][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.286608][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.286608][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.286608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.286608][ T74] ip6_route_add+0x1c/0x140 [ 2123.286608][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2123.286608][ T74] inet6_addr_add+0x4f8/0xa40 [ 2123.286608][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.286608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.286608][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.286608][ T74] netlink_unicast+0x449/0x710 [ 2123.286608][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.286608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.286608][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.286608][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.286608][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.286608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.286608][ T74] [ 2123.288604][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.288604][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.288604][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.288604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.288604][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2123.288604][ T74] ipv6_add_addr+0x411/0x2000 [ 2123.288604][ T74] inet6_addr_add+0x30e/0xa40 [ 2123.288604][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.288604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.288604][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.288604][ T74] netlink_unicast+0x449/0x710 [ 2123.288604][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.288604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.288604][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.288604][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.288604][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.288604][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.288604][ T74] [ 2123.290597][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.290597][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.290597][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.290597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.290597][ T74] ip6_route_add+0x1c/0x140 [ 2123.290597][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2123.290597][ T74] addrconf_add_dev+0xe2/0x170 [ 2123.290597][ T74] inet6_addr_add+0x12f/0xa40 [ 2123.290597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.290597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.290597][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.290597][ T74] netlink_unicast+0x449/0x710 [ 2123.290597][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.290597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.290597][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.290597][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.290597][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.290597][ T74] [ 2123.292564][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.292564][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2123.292564][ T74] ipv6_find_idev+0x102/0x170 [ 2123.292564][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.292564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.292564][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.292564][ T74] netlink_unicast+0x449/0x710 [ 2123.292564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.292564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.292564][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.292564][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.292564][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.292564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.292564][ T74] [ 2123.294094][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2123.294094][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2123.294094][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2123.294094][ T74] ipv6_find_idev+0x102/0x170 [ 2123.294094][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.294094][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.294094][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.294094][ T74] netlink_unicast+0x449/0x710 [ 2123.294094][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.294094][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.294094][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.294094][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.294094][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.294094][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.294094][ T74] [ 2123.295774][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2123.296029][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.296029][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.296029][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.296029][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.296029][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2123.296029][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2123.296029][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2123.296029][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2123.296029][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2123.296029][ T74] addrconf_dad_begin+0x310/0x670 [ 2123.296029][ T74] addrconf_dad_work+0x10b/0xab0 [ 2123.296029][ T74] process_one_work+0x84d/0x18a0 [ 2123.296029][ T74] worker_thread+0x587/0xd30 [ 2123.296029][ T74] kthread+0x28a/0x350 [ 2123.296029][ T74] ret_from_fork+0x31/0x70 [ 2123.296029][ T74] ret_from_fork_asm+0x1a/0x30 [ 2123.296029][ T74] [ 2123.297928][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.297928][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.297928][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.297928][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.297928][ T74] ip6_route_add+0x1c/0x140 [ 2123.297928][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2123.297928][ T74] inet6_addr_add+0x4f8/0xa40 [ 2123.297928][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.297928][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.297928][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.297928][ T74] netlink_unicast+0x449/0x710 [ 2123.297928][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.297928][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.297928][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.297928][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.297928][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.297928][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.297928][ T74] [ 2123.300174][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.300174][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.300174][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.300174][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.300174][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2123.300174][ T74] ipv6_add_addr+0x411/0x2000 [ 2123.300174][ T74] inet6_addr_add+0x30e/0xa40 [ 2123.300174][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.300174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.300174][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.300174][ T74] netlink_unicast+0x449/0x710 [ 2123.300174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.300174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.300174][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.300174][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.300174][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.300174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.300174][ T74] [ 2123.302349][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.302349][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.302349][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.302349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.302349][ T74] ip6_route_add+0x1c/0x140 [ 2123.302349][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2123.302349][ T74] addrconf_add_dev+0xe2/0x170 [ 2123.302349][ T74] inet6_addr_add+0x12f/0xa40 [ 2123.302349][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.302349][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.302349][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.302349][ T74] netlink_unicast+0x449/0x710 [ 2123.302349][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.302349][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.302349][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.302349][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.302349][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.302349][ T74] [ 2123.304617][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.304617][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2123.304617][ T74] ipv6_find_idev+0x102/0x170 [ 2123.304617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.304617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.304617][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.304617][ T74] netlink_unicast+0x449/0x710 [ 2123.304617][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.304617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.304617][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.304617][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.304617][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.304617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.304617][ T74] [ 2123.306345][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2123.306345][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2123.306345][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2123.306345][ T74] ipv6_find_idev+0x102/0x170 [ 2123.306345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.306345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.306345][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.306345][ T74] netlink_unicast+0x449/0x710 [ 2123.306345][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.306345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.306345][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.306345][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.306345][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.306345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.306345][ T74] [ 2123.308204][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2123.308503][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.308503][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.308503][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.308503][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.308503][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2123.308503][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2123.308503][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2123.308503][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2123.308503][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2123.308503][ T74] addrconf_dad_begin+0x310/0x670 [ 2123.308503][ T74] addrconf_dad_work+0x10b/0xab0 [ 2123.308503][ T74] process_one_work+0x84d/0x18a0 [ 2123.308503][ T74] worker_thread+0x587/0xd30 [ 2123.308503][ T74] kthread+0x28a/0x350 [ 2123.308503][ T74] ret_from_fork+0x31/0x70 [ 2123.308503][ T74] ret_from_fork_asm+0x1a/0x30 [ 2123.308503][ T74] [ 2123.310654][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.310654][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.310654][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.310654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.310654][ T74] ip6_route_add+0x1c/0x140 [ 2123.310654][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2123.310654][ T74] inet6_addr_add+0x4f8/0xa40 [ 2123.310654][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.310654][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.310654][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.310654][ T74] netlink_unicast+0x449/0x710 [ 2123.310654][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.310654][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.310654][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.310654][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.310654][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.310654][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.310654][ T74] [ 2123.312952][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.312952][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.312952][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.312952][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.312952][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2123.312952][ T74] ipv6_add_addr+0x411/0x2000 [ 2123.312952][ T74] inet6_addr_add+0x30e/0xa40 [ 2123.312952][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.312952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.312952][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.312952][ T74] netlink_unicast+0x449/0x710 [ 2123.312952][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.312952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.312952][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.312952][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.312952][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.312952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.312952][ T74] [ 2123.315186][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.315186][ T74] netdev_get_by_index+0x5e/0x80 [ 2123.315186][ T74] fib6_nh_init+0x3d8/0x1580 [ 2123.315186][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2123.315186][ T74] ip6_route_add+0x1c/0x140 [ 2123.315186][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2123.315186][ T74] addrconf_add_dev+0xe2/0x170 [ 2123.315186][ T74] inet6_addr_add+0x12f/0xa40 [ 2123.315186][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2123.315186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.315186][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.315186][ T74] netlink_unicast+0x449/0x710 [ 2123.315186][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.315186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.315186][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.315186][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.315186][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.315186][ T74] [ 2123.317374][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.317374][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2123.317374][ T74] ipv6_find_idev+0x102/0x170 [ 2123.317374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.317374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.317374][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.317374][ T74] netlink_unicast+0x449/0x710 [ 2123.317374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.317374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.317374][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.317374][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.317374][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.317374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.317374][ T74] [ 2123.319087][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2123.319087][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2123.319087][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2123.319087][ T74] ipv6_find_idev+0x102/0x170 [ 2123.319087][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2123.319087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2123.319087][ T74] netlink_rcv_skb+0x130/0x360 [ 2123.319087][ T74] netlink_unicast+0x449/0x710 [ 2123.319087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2123.319087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2123.319087][ T74] ___sys_sendmsg+0xee/0x170 [ 2123.319087][ T74] __sys_sendmsg+0xcd/0x170 [ 2123.319087][ T74] do_syscall_64+0xc6/0x1e0 [ 2123.319087][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2123.319087][ T74] [ 2125.320917][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2125.321432][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2125.321432][T16070] dst_init+0x84/0x4a0 [ 2125.321432][T16070] dst_alloc+0x97/0x150 [ 2125.321432][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.321432][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.321432][T16070] ip6_pol_route+0x56f/0x840 [ 2125.321432][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2125.321432][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2125.321432][T16070] fib6_rule_lookup+0x182/0x630 [ 2125.321432][T16070] ip6_route_output_flags+0x259/0x480 [ 2125.321432][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2125.321432][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2125.321432][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2125.321432][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2125.321432][T16070] ip6_datagram_connect+0x2c/0x50 [ 2125.321432][T16070] __sys_connect+0x217/0x2a0 [ 2125.321432][T16070] __x64_sys_connect+0x72/0xb0 [ 2125.321432][T16070] [ 2125.323781][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2125.323781][T16070] dst_init+0x84/0x4a0 [ 2125.323781][T16070] dst_alloc+0x97/0x150 [ 2125.323781][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.323781][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.323781][T16070] ip6_pol_route+0x56f/0x840 [ 2125.323781][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2125.323781][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2125.323781][T16070] fib6_rule_lookup+0x182/0x630 [ 2125.323781][T16070] ip6_route_output_flags+0x259/0x480 [ 2125.323781][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2125.323781][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2125.323781][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2125.323781][T16070] __inet_stream_connect+0x272/0x9f0 [ 2125.323781][T16070] inet_stream_connect+0x57/0xa0 [ 2125.323781][T16070] __sys_connect+0x217/0x2a0 [ 2125.323781][T16070] __x64_sys_connect+0x72/0xb0 [ 2125.323781][T16070] [ 2125.326056][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.326056][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2125.326056][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2125.326056][T16070] fib6_nh_init+0xa22/0x1580 [ 2125.326056][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.326056][T16070] ip6_route_add+0x1c/0x140 [ 2125.326056][T16070] inet6_rtm_newroute+0x104/0x110 [ 2125.326056][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.326056][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.326056][T16070] netlink_unicast+0x449/0x710 [ 2125.326056][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.326056][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.326056][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.326056][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.326056][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.326056][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.326056][T16070] [ 2125.328186][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.328186][T16070] dst_init+0x84/0x4a0 [ 2125.328186][T16070] dst_alloc+0x97/0x150 [ 2125.328186][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.328186][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.328186][T16070] ip6_pol_route+0x56f/0x840 [ 2125.328186][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2125.328186][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2125.328186][T16070] fib6_rule_lookup+0x182/0x630 [ 2125.328186][T16070] ip6_route_input+0x59c/0xa50 [ 2125.328186][T16070] ipv6_rcv+0x397/0x810 [ 2125.328186][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2125.328186][T16070] process_backlog+0x101/0x620 [ 2125.328186][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2125.328186][T16070] net_rx_action+0x495/0xbe0 [ 2125.328186][T16070] __do_softirq+0x1b5/0x7f6 [ 2125.328186][T16070] [ 2125.330279][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.330279][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.330279][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.330279][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.330279][T16070] ip6_route_add+0x1c/0x140 [ 2125.330279][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2125.330279][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2125.330279][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2125.330279][T16070] addrconf_dad_begin+0x310/0x670 [ 2125.330279][T16070] addrconf_dad_work+0x10b/0xab0 [ 2125.330279][T16070] process_one_work+0x84d/0x18a0 [ 2125.330279][T16070] worker_thread+0x587/0xd30 [ 2125.330279][T16070] kthread+0x28a/0x350 [ 2125.330279][T16070] ret_from_fork+0x31/0x70 [ 2125.330279][T16070] ret_from_fork_asm+0x1a/0x30 [ 2125.330279][T16070] [ 2125.332316][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.332316][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.332316][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.332316][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.332316][T16070] ip6_route_add+0x1c/0x140 [ 2125.332316][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2125.332316][T16070] inet6_addr_add+0x4f8/0xa40 [ 2125.332316][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.332316][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.332316][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.332316][T16070] netlink_unicast+0x449/0x710 [ 2125.332316][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.332316][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.332316][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.332316][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.332316][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.332316][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.332316][T16070] [ 2125.334579][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.334579][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.334579][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.334579][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.334579][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2125.334579][T16070] ipv6_add_addr+0x411/0x2000 [ 2125.334579][T16070] inet6_addr_add+0x30e/0xa40 [ 2125.334579][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.334579][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.334579][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.334579][T16070] netlink_unicast+0x449/0x710 [ 2125.334579][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.334579][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.334579][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.334579][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.334579][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.334579][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.334579][T16070] [ 2125.336840][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.336840][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.336840][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.336840][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.336840][T16070] ip6_route_add+0x1c/0x140 [ 2125.336840][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.336840][T16070] addrconf_add_dev+0xe2/0x170 [ 2125.336840][T16070] inet6_addr_add+0x12f/0xa40 [ 2125.336840][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.336840][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.336840][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.336840][T16070] netlink_unicast+0x449/0x710 [ 2125.336840][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.336840][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.336840][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.336840][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.336840][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.336840][T16070] [ 2125.339077][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.339077][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2125.339077][T16070] ipv6_find_idev+0x102/0x170 [ 2125.339077][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.339077][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.339077][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.339077][T16070] netlink_unicast+0x449/0x710 [ 2125.339077][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.339077][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.339077][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.339077][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.339077][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.339077][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.339077][T16070] [ 2125.340827][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2125.340827][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2125.340827][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2125.340827][T16070] ipv6_find_idev+0x102/0x170 [ 2125.340827][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.340827][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.340827][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.340827][T16070] netlink_unicast+0x449/0x710 [ 2125.340827][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.340827][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.340827][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.340827][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.340827][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.340827][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.340827][T16070] [ 2125.342762][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2125.343090][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2125.343090][T16070] dst_init+0x84/0x4a0 [ 2125.343090][T16070] dst_alloc+0x97/0x150 [ 2125.343090][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.343090][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.343090][T16070] ip6_pol_route+0x56f/0x840 [ 2125.343090][T16070] fib6_rule_lookup+0x334/0x630 [ 2125.343090][T16070] ip6_route_output_flags+0x259/0x480 [ 2125.343090][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2125.343090][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2125.343090][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2125.343090][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2125.343090][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2125.343090][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.343090][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.343090][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.343090][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.343090][T16070] [ 2125.345361][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.345361][T16070] dst_init+0x84/0x4a0 [ 2125.345361][T16070] dst_alloc+0x97/0x150 [ 2125.345361][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.345361][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.345361][T16070] ip6_pol_route+0x56f/0x840 [ 2125.345361][T16070] fib6_rule_lookup+0x334/0x630 [ 2125.345361][T16070] ip6_route_output_flags+0x259/0x480 [ 2125.345361][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2125.345361][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2125.345361][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2125.345361][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2125.345361][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2125.345361][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2125.345361][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2125.345361][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2125.345361][T16070] ip6_input_finish+0x120/0x260 [ 2125.345361][T16070] [ 2125.347661][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.347661][T16070] dst_init+0x84/0x4a0 [ 2125.347661][T16070] dst_alloc+0x97/0x150 [ 2125.347661][T16070] ip6_dst_alloc+0x23/0x90 [ 2125.347661][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2125.347661][T16070] ip6_pol_route+0x56f/0x840 [ 2125.347661][T16070] fib6_rule_lookup+0x456/0x630 [ 2125.347661][T16070] ip6_route_input+0x59c/0xa50 [ 2125.347661][T16070] ipv6_rcv+0x397/0x810 [ 2125.347661][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2125.347661][T16070] process_backlog+0x101/0x620 [ 2125.347661][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2125.347661][T16070] net_rx_action+0x495/0xbe0 [ 2125.347661][T16070] __do_softirq+0x1b5/0x7f6 [ 2125.347661][T16070] [ 2125.349509][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.349509][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.349509][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.349509][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.349509][T16070] ip6_route_add+0x1c/0x140 [ 2125.349509][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2125.349509][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2125.349509][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2125.349509][T16070] addrconf_dad_begin+0x310/0x670 [ 2125.349509][T16070] addrconf_dad_work+0x10b/0xab0 [ 2125.349509][T16070] process_one_work+0x84d/0x18a0 [ 2125.349509][T16070] worker_thread+0x587/0xd30 [ 2125.349509][T16070] kthread+0x28a/0x350 [ 2125.349509][T16070] ret_from_fork+0x31/0x70 [ 2125.349509][T16070] ret_from_fork_asm+0x1a/0x30 [ 2125.349509][T16070] [ 2125.351778][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.351778][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.351778][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.351778][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.351778][T16070] ip6_route_add+0x1c/0x140 [ 2125.351778][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2125.351778][T16070] inet6_addr_add+0x4f8/0xa40 [ 2125.351778][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.351778][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.351778][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.351778][T16070] netlink_unicast+0x449/0x710 [ 2125.351778][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.351778][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.351778][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.351778][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.351778][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.351778][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.351778][T16070] [ 2125.354357][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.354357][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.354357][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.354357][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.354357][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2125.354357][T16070] ipv6_add_addr+0x411/0x2000 [ 2125.354357][T16070] inet6_addr_add+0x30e/0xa40 [ 2125.354357][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.354357][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.354357][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.354357][T16070] netlink_unicast+0x449/0x710 [ 2125.354357][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.354357][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.354357][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.354357][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.354357][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.354357][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.354357][T16070] [ 2125.356926][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.356926][T16070] netdev_get_by_index+0x5e/0x80 [ 2125.356926][T16070] fib6_nh_init+0x3d8/0x1580 [ 2125.356926][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2125.356926][T16070] ip6_route_add+0x1c/0x140 [ 2125.356926][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2125.356926][T16070] addrconf_add_dev+0xe2/0x170 [ 2125.356926][T16070] inet6_addr_add+0x12f/0xa40 [ 2125.356926][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2125.356926][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.356926][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.356926][T16070] netlink_unicast+0x449/0x710 [ 2125.356926][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.356926][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.356926][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.356926][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.356926][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.356926][T16070] [ 2125.359450][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.359450][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2125.359450][T16070] ipv6_find_idev+0x102/0x170 [ 2125.359450][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.359450][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.359450][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.359450][T16070] netlink_unicast+0x449/0x710 [ 2125.359450][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.359450][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.359450][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.359450][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.359450][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.359450][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.359450][T16070] [ 2125.361432][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2125.361432][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2125.361432][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2125.361432][T16070] ipv6_find_idev+0x102/0x170 [ 2125.361432][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2125.361432][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2125.361432][T16070] netlink_rcv_skb+0x130/0x360 [ 2125.361432][T16070] netlink_unicast+0x449/0x710 [ 2125.361432][T16070] netlink_sendmsg+0x723/0xbe0 [ 2125.361432][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2125.361432][T16070] ___sys_sendmsg+0xee/0x170 [ 2125.361432][T16070] __sys_sendmsg+0xcd/0x170 [ 2125.361432][T16070] do_syscall_64+0xc6/0x1e0 [ 2125.361432][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2125.361432][T16070] [ 2133.504931][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2133.505344][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.505344][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.505344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.505344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.505344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2133.505344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2133.505344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2133.505344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2133.505344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2133.505344][ T74] addrconf_dad_begin+0x310/0x670 [ 2133.505344][ T74] addrconf_dad_work+0x10b/0xab0 [ 2133.505344][ T74] process_one_work+0x84d/0x18a0 [ 2133.505344][ T74] worker_thread+0x587/0xd30 [ 2133.505344][ T74] kthread+0x28a/0x350 [ 2133.505344][ T74] ret_from_fork+0x31/0x70 [ 2133.505344][ T74] ret_from_fork_asm+0x1a/0x30 [ 2133.505344][ T74] [ 2133.507279][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.507279][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.507279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.507279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.507279][ T74] ip6_route_add+0x1c/0x140 [ 2133.507279][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2133.507279][ T74] inet6_addr_add+0x4f8/0xa40 [ 2133.507279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.507279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.507279][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.507279][ T74] netlink_unicast+0x449/0x710 [ 2133.507279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.507279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.507279][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.507279][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.507279][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.507279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.507279][ T74] [ 2133.509280][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.509280][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.509280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.509280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.509280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2133.509280][ T74] ipv6_add_addr+0x411/0x2000 [ 2133.509280][ T74] inet6_addr_add+0x30e/0xa40 [ 2133.509280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.509280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.509280][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.509280][ T74] netlink_unicast+0x449/0x710 [ 2133.509280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.509280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.509280][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.509280][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.509280][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.509280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.509280][ T74] [ 2133.511279][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.511279][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.511279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.511279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.511279][ T74] ip6_route_add+0x1c/0x140 [ 2133.511279][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2133.511279][ T74] addrconf_add_dev+0xe2/0x170 [ 2133.511279][ T74] inet6_addr_add+0x12f/0xa40 [ 2133.511279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.511279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.511279][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.511279][ T74] netlink_unicast+0x449/0x710 [ 2133.511279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.511279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.511279][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.511279][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.511279][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.511279][ T74] [ 2133.513275][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.513275][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2133.513275][ T74] ipv6_find_idev+0x102/0x170 [ 2133.513275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.513275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.513275][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.513275][ T74] netlink_unicast+0x449/0x710 [ 2133.513275][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.513275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.513275][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.513275][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.513275][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.513275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.513275][ T74] [ 2133.514819][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2133.514819][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2133.514819][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2133.514819][ T74] ipv6_find_idev+0x102/0x170 [ 2133.514819][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.514819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.514819][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.514819][ T74] netlink_unicast+0x449/0x710 [ 2133.514819][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.514819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.514819][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.514819][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.514819][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.514819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.514819][ T74] [ 2133.516504][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2133.516744][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.516744][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.516744][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.516744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.516744][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2133.516744][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2133.516744][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2133.516744][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2133.516744][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2133.516744][ T74] addrconf_dad_begin+0x310/0x670 [ 2133.516744][ T74] addrconf_dad_work+0x10b/0xab0 [ 2133.516744][ T74] process_one_work+0x84d/0x18a0 [ 2133.516744][ T74] worker_thread+0x587/0xd30 [ 2133.516744][ T74] kthread+0x28a/0x350 [ 2133.516744][ T74] ret_from_fork+0x31/0x70 [ 2133.516744][ T74] ret_from_fork_asm+0x1a/0x30 [ 2133.516744][ T74] [ 2133.518651][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.518651][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.518651][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.518651][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.518651][ T74] ip6_route_add+0x1c/0x140 [ 2133.518651][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2133.518651][ T74] inet6_addr_add+0x4f8/0xa40 [ 2133.518651][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.518651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.518651][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.518651][ T74] netlink_unicast+0x449/0x710 [ 2133.518651][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.518651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.518651][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.518651][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.518651][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.518651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.518651][ T74] [ 2133.520650][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.520650][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.520650][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.520650][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.520650][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2133.520650][ T74] ipv6_add_addr+0x411/0x2000 [ 2133.520650][ T74] inet6_addr_add+0x30e/0xa40 [ 2133.520650][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.520650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.520650][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.520650][ T74] netlink_unicast+0x449/0x710 [ 2133.520650][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.520650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.520650][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.520650][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.520650][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.520650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.520650][ T74] [ 2133.522650][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.522650][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.522650][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.522650][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.522650][ T74] ip6_route_add+0x1c/0x140 [ 2133.522650][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2133.522650][ T74] addrconf_add_dev+0xe2/0x170 [ 2133.522650][ T74] inet6_addr_add+0x12f/0xa40 [ 2133.522650][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.522650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.522650][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.522650][ T74] netlink_unicast+0x449/0x710 [ 2133.522650][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.522650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.522650][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.522650][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.522650][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.522650][ T74] [ 2133.524617][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.524617][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2133.524617][ T74] ipv6_find_idev+0x102/0x170 [ 2133.524617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.524617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.524617][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.524617][ T74] netlink_unicast+0x449/0x710 [ 2133.524617][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.524617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.524617][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.524617][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.524617][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.524617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.524617][ T74] [ 2133.526153][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2133.526153][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2133.526153][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2133.526153][ T74] ipv6_find_idev+0x102/0x170 [ 2133.526153][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.526153][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.526153][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.526153][ T74] netlink_unicast+0x449/0x710 [ 2133.526153][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.526153][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.526153][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.526153][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.526153][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.526153][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.526153][ T74] [ 2133.527833][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2133.528072][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.528072][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.528072][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.528072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.528072][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2133.528072][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2133.528072][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2133.528072][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2133.528072][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2133.528072][ T74] addrconf_dad_begin+0x310/0x670 [ 2133.528072][ T74] addrconf_dad_work+0x10b/0xab0 [ 2133.528072][ T74] process_one_work+0x84d/0x18a0 [ 2133.528072][ T74] worker_thread+0x587/0xd30 [ 2133.528072][ T74] kthread+0x28a/0x350 [ 2133.528072][ T74] ret_from_fork+0x31/0x70 [ 2133.528072][ T74] ret_from_fork_asm+0x1a/0x30 [ 2133.528072][ T74] [ 2133.529978][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.529978][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.529978][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.529978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.529978][ T74] ip6_route_add+0x1c/0x140 [ 2133.529978][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2133.529978][ T74] inet6_addr_add+0x4f8/0xa40 [ 2133.529978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.529978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.529978][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.529978][ T74] netlink_unicast+0x449/0x710 [ 2133.529978][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.529978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.529978][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.529978][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.529978][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.529978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.529978][ T74] [ 2133.532237][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.532237][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.532237][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.532237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.532237][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2133.532237][ T74] ipv6_add_addr+0x411/0x2000 [ 2133.532237][ T74] inet6_addr_add+0x30e/0xa40 [ 2133.532237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.532237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.532237][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.532237][ T74] netlink_unicast+0x449/0x710 [ 2133.532237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.532237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.532237][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.532237][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.532237][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.532237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.532237][ T74] [ 2133.534412][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.534412][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.534412][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.534412][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.534412][ T74] ip6_route_add+0x1c/0x140 [ 2133.534412][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2133.534412][ T74] addrconf_add_dev+0xe2/0x170 [ 2133.534412][ T74] inet6_addr_add+0x12f/0xa40 [ 2133.534412][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.534412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.534412][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.534412][ T74] netlink_unicast+0x449/0x710 [ 2133.534412][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.534412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.534412][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.534412][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.534412][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.534412][ T74] [ 2133.536673][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.536673][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2133.536673][ T74] ipv6_find_idev+0x102/0x170 [ 2133.536673][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.536673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.536673][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.536673][ T74] netlink_unicast+0x449/0x710 [ 2133.536673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.536673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.536673][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.536673][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.536673][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.536673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.536673][ T74] [ 2133.538392][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2133.538392][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2133.538392][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2133.538392][ T74] ipv6_find_idev+0x102/0x170 [ 2133.538392][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.538392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.538392][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.538392][ T74] netlink_unicast+0x449/0x710 [ 2133.538392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.538392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.538392][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.538392][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.538392][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.538392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.538392][ T74] [ 2133.540251][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2133.540549][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.540549][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.540549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.540549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.540549][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2133.540549][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2133.540549][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2133.540549][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2133.540549][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2133.540549][ T74] addrconf_dad_begin+0x310/0x670 [ 2133.540549][ T74] addrconf_dad_work+0x10b/0xab0 [ 2133.540549][ T74] process_one_work+0x84d/0x18a0 [ 2133.540549][ T74] worker_thread+0x587/0xd30 [ 2133.540549][ T74] kthread+0x28a/0x350 [ 2133.540549][ T74] ret_from_fork+0x31/0x70 [ 2133.540549][ T74] ret_from_fork_asm+0x1a/0x30 [ 2133.540549][ T74] [ 2133.542575][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.542575][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.542575][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.542575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.542575][ T74] ip6_route_add+0x1c/0x140 [ 2133.542575][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2133.542575][ T74] inet6_addr_add+0x4f8/0xa40 [ 2133.542575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.542575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.542575][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.542575][ T74] netlink_unicast+0x449/0x710 [ 2133.542575][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.542575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.542575][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.542575][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.542575][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.542575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.542575][ T74] [ 2133.544814][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.544814][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.544814][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.544814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.544814][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2133.544814][ T74] ipv6_add_addr+0x411/0x2000 [ 2133.544814][ T74] inet6_addr_add+0x30e/0xa40 [ 2133.544814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.544814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.544814][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.544814][ T74] netlink_unicast+0x449/0x710 [ 2133.544814][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.544814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.544814][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.544814][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.544814][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.544814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.544814][ T74] [ 2133.547105][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.547105][ T74] netdev_get_by_index+0x5e/0x80 [ 2133.547105][ T74] fib6_nh_init+0x3d8/0x1580 [ 2133.547105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2133.547105][ T74] ip6_route_add+0x1c/0x140 [ 2133.547105][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2133.547105][ T74] addrconf_add_dev+0xe2/0x170 [ 2133.547105][ T74] inet6_addr_add+0x12f/0xa40 [ 2133.547105][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2133.547105][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.547105][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.547105][ T74] netlink_unicast+0x449/0x710 [ 2133.547105][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.547105][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.547105][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.547105][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.547105][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.547105][ T74] [ 2133.549305][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.549305][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2133.549305][ T74] ipv6_find_idev+0x102/0x170 [ 2133.549305][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.549305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.549305][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.549305][ T74] netlink_unicast+0x449/0x710 [ 2133.549305][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.549305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.549305][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.549305][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.549305][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.549305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.549305][ T74] [ 2133.551032][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2133.551032][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2133.551032][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2133.551032][ T74] ipv6_find_idev+0x102/0x170 [ 2133.551032][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2133.551032][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2133.551032][ T74] netlink_rcv_skb+0x130/0x360 [ 2133.551032][ T74] netlink_unicast+0x449/0x710 [ 2133.551032][ T74] netlink_sendmsg+0x723/0xbe0 [ 2133.551032][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2133.551032][ T74] ___sys_sendmsg+0xee/0x170 [ 2133.551032][ T74] __sys_sendmsg+0xcd/0x170 [ 2133.551032][ T74] do_syscall_64+0xc6/0x1e0 [ 2133.551032][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2133.551032][ T74] [ 2135.376940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2135.377412][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2135.377412][T16070] dst_init+0x84/0x4a0 [ 2135.377412][T16070] dst_alloc+0x97/0x150 [ 2135.377412][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.377412][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.377412][T16070] ip6_pol_route+0x56f/0x840 [ 2135.377412][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2135.377412][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2135.377412][T16070] fib6_rule_lookup+0x182/0x630 [ 2135.377412][T16070] ip6_route_output_flags+0x259/0x480 [ 2135.377412][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2135.377412][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2135.377412][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2135.377412][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2135.377412][T16070] ip6_datagram_connect+0x2c/0x50 [ 2135.377412][T16070] __sys_connect+0x217/0x2a0 [ 2135.377412][T16070] __x64_sys_connect+0x72/0xb0 [ 2135.377412][T16070] [ 2135.379728][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2135.379728][T16070] dst_init+0x84/0x4a0 [ 2135.379728][T16070] dst_alloc+0x97/0x150 [ 2135.379728][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.379728][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.379728][T16070] ip6_pol_route+0x56f/0x840 [ 2135.379728][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2135.379728][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2135.379728][T16070] fib6_rule_lookup+0x182/0x630 [ 2135.379728][T16070] ip6_route_output_flags+0x259/0x480 [ 2135.379728][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2135.379728][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2135.379728][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2135.379728][T16070] __inet_stream_connect+0x272/0x9f0 [ 2135.379728][T16070] inet_stream_connect+0x57/0xa0 [ 2135.379728][T16070] __sys_connect+0x217/0x2a0 [ 2135.379728][T16070] __x64_sys_connect+0x72/0xb0 [ 2135.379728][T16070] [ 2135.382015][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.382015][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2135.382015][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2135.382015][T16070] fib6_nh_init+0xa22/0x1580 [ 2135.382015][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.382015][T16070] ip6_route_add+0x1c/0x140 [ 2135.382015][T16070] inet6_rtm_newroute+0x104/0x110 [ 2135.382015][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.382015][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.382015][T16070] netlink_unicast+0x449/0x710 [ 2135.382015][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.382015][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.382015][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.382015][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.382015][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.382015][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.382015][T16070] [ 2135.384139][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.384139][T16070] dst_init+0x84/0x4a0 [ 2135.384139][T16070] dst_alloc+0x97/0x150 [ 2135.384139][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.384139][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.384139][T16070] ip6_pol_route+0x56f/0x840 [ 2135.384139][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2135.384139][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2135.384139][T16070] fib6_rule_lookup+0x182/0x630 [ 2135.384139][T16070] ip6_route_input+0x59c/0xa50 [ 2135.384139][T16070] ipv6_rcv+0x397/0x810 [ 2135.384139][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2135.384139][T16070] process_backlog+0x101/0x620 [ 2135.384139][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2135.384139][T16070] net_rx_action+0x495/0xbe0 [ 2135.384139][T16070] __do_softirq+0x1b5/0x7f6 [ 2135.384139][T16070] [ 2135.386233][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.386233][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.386233][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.386233][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.386233][T16070] ip6_route_add+0x1c/0x140 [ 2135.386233][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2135.386233][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2135.386233][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2135.386233][T16070] addrconf_dad_begin+0x310/0x670 [ 2135.386233][T16070] addrconf_dad_work+0x10b/0xab0 [ 2135.386233][T16070] process_one_work+0x84d/0x18a0 [ 2135.386233][T16070] worker_thread+0x587/0xd30 [ 2135.386233][T16070] kthread+0x28a/0x350 [ 2135.386233][T16070] ret_from_fork+0x31/0x70 [ 2135.386233][T16070] ret_from_fork_asm+0x1a/0x30 [ 2135.386233][T16070] [ 2135.388252][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.388252][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.388252][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.388252][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.388252][T16070] ip6_route_add+0x1c/0x140 [ 2135.388252][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2135.388252][T16070] inet6_addr_add+0x4f8/0xa40 [ 2135.388252][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.388252][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.388252][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.388252][T16070] netlink_unicast+0x449/0x710 [ 2135.388252][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.388252][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.388252][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.388252][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.388252][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.388252][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.388252][T16070] [ 2135.390511][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.390511][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.390511][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.390511][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.390511][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2135.390511][T16070] ipv6_add_addr+0x411/0x2000 [ 2135.390511][T16070] inet6_addr_add+0x30e/0xa40 [ 2135.390511][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.390511][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.390511][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.390511][T16070] netlink_unicast+0x449/0x710 [ 2135.390511][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.390511][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.390511][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.390511][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.390511][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.390511][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.390511][T16070] [ 2135.392778][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.392778][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.392778][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.392778][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.392778][T16070] ip6_route_add+0x1c/0x140 [ 2135.392778][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.392778][T16070] addrconf_add_dev+0xe2/0x170 [ 2135.392778][T16070] inet6_addr_add+0x12f/0xa40 [ 2135.392778][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.392778][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.392778][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.392778][T16070] netlink_unicast+0x449/0x710 [ 2135.392778][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.392778][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.392778][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.392778][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.392778][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.392778][T16070] [ 2135.395002][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.395002][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2135.395002][T16070] ipv6_find_idev+0x102/0x170 [ 2135.395002][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.395002][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.395002][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.395002][T16070] netlink_unicast+0x449/0x710 [ 2135.395002][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.395002][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.395002][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.395002][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.395002][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.395002][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.395002][T16070] [ 2135.396747][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2135.396747][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2135.396747][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2135.396747][T16070] ipv6_find_idev+0x102/0x170 [ 2135.396747][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.396747][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.396747][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.396747][T16070] netlink_unicast+0x449/0x710 [ 2135.396747][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.396747][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.396747][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.396747][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.396747][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.396747][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.396747][T16070] [ 2135.398674][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2135.399014][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2135.399014][T16070] dst_init+0x84/0x4a0 [ 2135.399014][T16070] dst_alloc+0x97/0x150 [ 2135.399014][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.399014][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.399014][T16070] ip6_pol_route+0x56f/0x840 [ 2135.399014][T16070] fib6_rule_lookup+0x334/0x630 [ 2135.399014][T16070] ip6_route_output_flags+0x259/0x480 [ 2135.399014][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2135.399014][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2135.399014][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2135.399014][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2135.399014][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2135.399014][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.399014][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.399014][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.399014][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.399014][T16070] [ 2135.401303][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.401303][T16070] dst_init+0x84/0x4a0 [ 2135.401303][T16070] dst_alloc+0x97/0x150 [ 2135.401303][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.401303][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.401303][T16070] ip6_pol_route+0x56f/0x840 [ 2135.401303][T16070] fib6_rule_lookup+0x334/0x630 [ 2135.401303][T16070] ip6_route_output_flags+0x259/0x480 [ 2135.401303][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2135.401303][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2135.401303][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2135.401303][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2135.401303][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2135.401303][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2135.401303][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2135.401303][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2135.401303][T16070] ip6_input_finish+0x120/0x260 [ 2135.401303][T16070] [ 2135.403621][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.403621][T16070] dst_init+0x84/0x4a0 [ 2135.403621][T16070] dst_alloc+0x97/0x150 [ 2135.403621][T16070] ip6_dst_alloc+0x23/0x90 [ 2135.403621][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2135.403621][T16070] ip6_pol_route+0x56f/0x840 [ 2135.403621][T16070] fib6_rule_lookup+0x456/0x630 [ 2135.403621][T16070] ip6_route_input+0x59c/0xa50 [ 2135.403621][T16070] ipv6_rcv+0x397/0x810 [ 2135.403621][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2135.403621][T16070] process_backlog+0x101/0x620 [ 2135.403621][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2135.403621][T16070] net_rx_action+0x495/0xbe0 [ 2135.403621][T16070] __do_softirq+0x1b5/0x7f6 [ 2135.403621][T16070] [ 2135.405466][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.405466][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.405466][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.405466][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.405466][T16070] ip6_route_add+0x1c/0x140 [ 2135.405466][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2135.405466][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2135.405466][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2135.405466][T16070] addrconf_dad_begin+0x310/0x670 [ 2135.405466][T16070] addrconf_dad_work+0x10b/0xab0 [ 2135.405466][T16070] process_one_work+0x84d/0x18a0 [ 2135.405466][T16070] worker_thread+0x587/0xd30 [ 2135.405466][T16070] kthread+0x28a/0x350 [ 2135.405466][T16070] ret_from_fork+0x31/0x70 [ 2135.405466][T16070] ret_from_fork_asm+0x1a/0x30 [ 2135.405466][T16070] [ 2135.407719][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.407719][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.407719][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.407719][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.407719][T16070] ip6_route_add+0x1c/0x140 [ 2135.407719][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2135.407719][T16070] inet6_addr_add+0x4f8/0xa40 [ 2135.407719][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.407719][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.407719][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.407719][T16070] netlink_unicast+0x449/0x710 [ 2135.407719][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.407719][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.407719][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.407719][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.407719][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.407719][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.407719][T16070] [ 2135.410171][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.410171][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.410171][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.410171][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.410171][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2135.410171][T16070] ipv6_add_addr+0x411/0x2000 [ 2135.410171][T16070] inet6_addr_add+0x30e/0xa40 [ 2135.410171][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.410171][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.410171][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.410171][T16070] netlink_unicast+0x449/0x710 [ 2135.410171][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.410171][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.410171][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.410171][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.410171][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.410171][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.410171][T16070] [ 2135.412640][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.412640][T16070] netdev_get_by_index+0x5e/0x80 [ 2135.412640][T16070] fib6_nh_init+0x3d8/0x1580 [ 2135.412640][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2135.412640][T16070] ip6_route_add+0x1c/0x140 [ 2135.412640][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2135.412640][T16070] addrconf_add_dev+0xe2/0x170 [ 2135.412640][T16070] inet6_addr_add+0x12f/0xa40 [ 2135.412640][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2135.412640][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.412640][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.412640][T16070] netlink_unicast+0x449/0x710 [ 2135.412640][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.412640][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.412640][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.412640][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.412640][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.412640][T16070] [ 2135.415096][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.415096][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2135.415096][T16070] ipv6_find_idev+0x102/0x170 [ 2135.415096][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.415096][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.415096][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.415096][T16070] netlink_unicast+0x449/0x710 [ 2135.415096][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.415096][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.415096][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.415096][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.415096][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.415096][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.415096][T16070] [ 2135.416943][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2135.416943][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2135.416943][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2135.416943][T16070] ipv6_find_idev+0x102/0x170 [ 2135.416943][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2135.416943][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2135.416943][T16070] netlink_rcv_skb+0x130/0x360 [ 2135.416943][T16070] netlink_unicast+0x449/0x710 [ 2135.416943][T16070] netlink_sendmsg+0x723/0xbe0 [ 2135.416943][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2135.416943][T16070] ___sys_sendmsg+0xee/0x170 [ 2135.416943][T16070] __sys_sendmsg+0xcd/0x170 [ 2135.416943][T16070] do_syscall_64+0xc6/0x1e0 [ 2135.416943][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2135.416943][T16070] [ 2143.608952][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2143.609368][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.609368][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.609368][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.609368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.609368][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2143.609368][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2143.609368][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2143.609368][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2143.609368][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2143.609368][ T74] addrconf_dad_begin+0x310/0x670 [ 2143.609368][ T74] addrconf_dad_work+0x10b/0xab0 [ 2143.609368][ T74] process_one_work+0x84d/0x18a0 [ 2143.609368][ T74] worker_thread+0x587/0xd30 [ 2143.609368][ T74] kthread+0x28a/0x350 [ 2143.609368][ T74] ret_from_fork+0x31/0x70 [ 2143.609368][ T74] ret_from_fork_asm+0x1a/0x30 [ 2143.609368][ T74] [ 2143.611326][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.611326][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.611326][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.611326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.611326][ T74] ip6_route_add+0x1c/0x140 [ 2143.611326][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2143.611326][ T74] inet6_addr_add+0x4f8/0xa40 [ 2143.611326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.611326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.611326][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.611326][ T74] netlink_unicast+0x449/0x710 [ 2143.611326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.611326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.611326][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.611326][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.611326][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.611326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.611326][ T74] [ 2143.613352][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.613352][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.613352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.613352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.613352][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2143.613352][ T74] ipv6_add_addr+0x411/0x2000 [ 2143.613352][ T74] inet6_addr_add+0x30e/0xa40 [ 2143.613352][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.613352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.613352][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.613352][ T74] netlink_unicast+0x449/0x710 [ 2143.613352][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.613352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.613352][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.613352][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.613352][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.613352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.613352][ T74] [ 2143.615372][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.615372][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.615372][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.615372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.615372][ T74] ip6_route_add+0x1c/0x140 [ 2143.615372][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2143.615372][ T74] addrconf_add_dev+0xe2/0x170 [ 2143.615372][ T74] inet6_addr_add+0x12f/0xa40 [ 2143.615372][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.615372][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.615372][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.615372][ T74] netlink_unicast+0x449/0x710 [ 2143.615372][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.615372][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.615372][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.615372][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.615372][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.615372][ T74] [ 2143.617352][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.617352][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2143.617352][ T74] ipv6_find_idev+0x102/0x170 [ 2143.617352][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.617352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.617352][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.617352][ T74] netlink_unicast+0x449/0x710 [ 2143.617352][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.617352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.617352][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.617352][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.617352][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.617352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.617352][ T74] [ 2143.618915][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2143.618915][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2143.618915][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2143.618915][ T74] ipv6_find_idev+0x102/0x170 [ 2143.618915][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.618915][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.618915][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.618915][ T74] netlink_unicast+0x449/0x710 [ 2143.618915][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.618915][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.618915][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.618915][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.618915][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.618915][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.618915][ T74] [ 2143.620631][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2143.620890][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.620890][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.620890][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.620890][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.620890][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2143.620890][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2143.620890][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2143.620890][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2143.620890][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2143.620890][ T74] addrconf_dad_begin+0x310/0x670 [ 2143.620890][ T74] addrconf_dad_work+0x10b/0xab0 [ 2143.620890][ T74] process_one_work+0x84d/0x18a0 [ 2143.620890][ T74] worker_thread+0x587/0xd30 [ 2143.620890][ T74] kthread+0x28a/0x350 [ 2143.620890][ T74] ret_from_fork+0x31/0x70 [ 2143.620890][ T74] ret_from_fork_asm+0x1a/0x30 [ 2143.620890][ T74] [ 2143.622825][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.622825][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.622825][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.622825][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.622825][ T74] ip6_route_add+0x1c/0x140 [ 2143.622825][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2143.622825][ T74] inet6_addr_add+0x4f8/0xa40 [ 2143.622825][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.622825][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.622825][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.622825][ T74] netlink_unicast+0x449/0x710 [ 2143.622825][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.622825][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.622825][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.622825][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.622825][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.622825][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.622825][ T74] [ 2143.624840][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.624840][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.624840][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.624840][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.624840][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2143.624840][ T74] ipv6_add_addr+0x411/0x2000 [ 2143.624840][ T74] inet6_addr_add+0x30e/0xa40 [ 2143.624840][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.624840][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.624840][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.624840][ T74] netlink_unicast+0x449/0x710 [ 2143.624840][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.624840][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.624840][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.624840][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.624840][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.624840][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.624840][ T74] [ 2143.626873][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.626873][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.626873][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.626873][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.626873][ T74] ip6_route_add+0x1c/0x140 [ 2143.626873][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2143.626873][ T74] addrconf_add_dev+0xe2/0x170 [ 2143.626873][ T74] inet6_addr_add+0x12f/0xa40 [ 2143.626873][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.626873][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.626873][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.626873][ T74] netlink_unicast+0x449/0x710 [ 2143.626873][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.626873][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.626873][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.626873][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.626873][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.626873][ T74] [ 2143.628852][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.628852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2143.628852][ T74] ipv6_find_idev+0x102/0x170 [ 2143.628852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.628852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.628852][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.628852][ T74] netlink_unicast+0x449/0x710 [ 2143.628852][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.628852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.628852][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.628852][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.628852][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.628852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.628852][ T74] [ 2143.630408][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2143.630408][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2143.630408][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2143.630408][ T74] ipv6_find_idev+0x102/0x170 [ 2143.630408][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.630408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.630408][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.630408][ T74] netlink_unicast+0x449/0x710 [ 2143.630408][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.630408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.630408][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.630408][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.630408][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.630408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.630408][ T74] [ 2143.632110][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2143.632364][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.632364][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.632364][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.632364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.632364][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2143.632364][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2143.632364][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2143.632364][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2143.632364][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2143.632364][ T74] addrconf_dad_begin+0x310/0x670 [ 2143.632364][ T74] addrconf_dad_work+0x10b/0xab0 [ 2143.632364][ T74] process_one_work+0x84d/0x18a0 [ 2143.632364][ T74] worker_thread+0x587/0xd30 [ 2143.632364][ T74] kthread+0x28a/0x350 [ 2143.632364][ T74] ret_from_fork+0x31/0x70 [ 2143.632364][ T74] ret_from_fork_asm+0x1a/0x30 [ 2143.632364][ T74] [ 2143.634288][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.634288][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.634288][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.634288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.634288][ T74] ip6_route_add+0x1c/0x140 [ 2143.634288][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2143.634288][ T74] inet6_addr_add+0x4f8/0xa40 [ 2143.634288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.634288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.634288][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.634288][ T74] netlink_unicast+0x449/0x710 [ 2143.634288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.634288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.634288][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.634288][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.634288][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.634288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.634288][ T74] [ 2143.636489][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.636489][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.636489][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.636489][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.636489][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2143.636489][ T74] ipv6_add_addr+0x411/0x2000 [ 2143.636489][ T74] inet6_addr_add+0x30e/0xa40 [ 2143.636489][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.636489][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.636489][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.636489][ T74] netlink_unicast+0x449/0x710 [ 2143.636489][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.636489][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.636489][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.636489][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.636489][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.636489][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.636489][ T74] [ 2143.638803][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.638803][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.638803][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.638803][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.638803][ T74] ip6_route_add+0x1c/0x140 [ 2143.638803][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2143.638803][ T74] addrconf_add_dev+0xe2/0x170 [ 2143.638803][ T74] inet6_addr_add+0x12f/0xa40 [ 2143.638803][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.638803][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.638803][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.638803][ T74] netlink_unicast+0x449/0x710 [ 2143.638803][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.638803][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.638803][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.638803][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.638803][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.638803][ T74] [ 2143.641771][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.641771][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2143.641771][ T74] ipv6_find_idev+0x102/0x170 [ 2143.641771][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.641771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.641771][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.641771][ T74] netlink_unicast+0x449/0x710 [ 2143.641771][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.641771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.641771][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.641771][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.641771][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.641771][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.641771][ T74] [ 2143.643506][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2143.643506][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2143.643506][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2143.643506][ T74] ipv6_find_idev+0x102/0x170 [ 2143.643506][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.643506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.643506][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.643506][ T74] netlink_unicast+0x449/0x710 [ 2143.643506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.643506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.643506][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.643506][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.643506][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.643506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.643506][ T74] [ 2143.645478][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2143.645719][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.645719][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.645719][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.645719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.645719][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2143.645719][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2143.645719][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2143.645719][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2143.645719][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2143.645719][ T74] addrconf_dad_begin+0x310/0x670 [ 2143.645719][ T74] addrconf_dad_work+0x10b/0xab0 [ 2143.645719][ T74] process_one_work+0x84d/0x18a0 [ 2143.645719][ T74] worker_thread+0x587/0xd30 [ 2143.645719][ T74] kthread+0x28a/0x350 [ 2143.645719][ T74] ret_from_fork+0x31/0x70 [ 2143.645719][ T74] ret_from_fork_asm+0x1a/0x30 [ 2143.645719][ T74] [ 2143.647950][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.647950][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.647950][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.647950][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.647950][ T74] ip6_route_add+0x1c/0x140 [ 2143.647950][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2143.647950][ T74] inet6_addr_add+0x4f8/0xa40 [ 2143.647950][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.647950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.647950][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.647950][ T74] netlink_unicast+0x449/0x710 [ 2143.647950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.647950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.647950][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.647950][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.647950][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.647950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.647950][ T74] [ 2143.650155][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.650155][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.650155][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.650155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.650155][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2143.650155][ T74] ipv6_add_addr+0x411/0x2000 [ 2143.650155][ T74] inet6_addr_add+0x30e/0xa40 [ 2143.650155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.650155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.650155][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.650155][ T74] netlink_unicast+0x449/0x710 [ 2143.650155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.650155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.650155][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.650155][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.650155][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.650155][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.650155][ T74] [ 2143.652415][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.652415][ T74] netdev_get_by_index+0x5e/0x80 [ 2143.652415][ T74] fib6_nh_init+0x3d8/0x1580 [ 2143.652415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2143.652415][ T74] ip6_route_add+0x1c/0x140 [ 2143.652415][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2143.652415][ T74] addrconf_add_dev+0xe2/0x170 [ 2143.652415][ T74] inet6_addr_add+0x12f/0xa40 [ 2143.652415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2143.652415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.652415][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.652415][ T74] netlink_unicast+0x449/0x710 [ 2143.652415][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.652415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.652415][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.652415][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.652415][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.652415][ T74] [ 2143.654637][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.654637][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2143.654637][ T74] ipv6_find_idev+0x102/0x170 [ 2143.654637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.654637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.654637][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.654637][ T74] netlink_unicast+0x449/0x710 [ 2143.654637][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.654637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.654637][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.654637][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.654637][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.654637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.654637][ T74] [ 2143.656382][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2143.656382][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2143.656382][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2143.656382][ T74] ipv6_find_idev+0x102/0x170 [ 2143.656382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2143.656382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2143.656382][ T74] netlink_rcv_skb+0x130/0x360 [ 2143.656382][ T74] netlink_unicast+0x449/0x710 [ 2143.656382][ T74] netlink_sendmsg+0x723/0xbe0 [ 2143.656382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2143.656382][ T74] ___sys_sendmsg+0xee/0x170 [ 2143.656382][ T74] __sys_sendmsg+0xcd/0x170 [ 2143.656382][ T74] do_syscall_64+0xc6/0x1e0 [ 2143.656382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2143.656382][ T74] [ 2145.664940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2145.665386][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2145.665386][T16070] dst_init+0x84/0x4a0 [ 2145.665386][T16070] dst_alloc+0x97/0x150 [ 2145.665386][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.665386][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.665386][T16070] ip6_pol_route+0x56f/0x840 [ 2145.665386][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2145.665386][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2145.665386][T16070] fib6_rule_lookup+0x182/0x630 [ 2145.665386][T16070] ip6_route_output_flags+0x259/0x480 [ 2145.665386][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2145.665386][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2145.665386][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2145.665386][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2145.665386][T16070] ip6_datagram_connect+0x2c/0x50 [ 2145.665386][T16070] __sys_connect+0x217/0x2a0 [ 2145.665386][T16070] __x64_sys_connect+0x72/0xb0 [ 2145.665386][T16070] [ 2145.667698][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2145.667698][T16070] dst_init+0x84/0x4a0 [ 2145.667698][T16070] dst_alloc+0x97/0x150 [ 2145.667698][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.667698][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.667698][T16070] ip6_pol_route+0x56f/0x840 [ 2145.667698][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2145.667698][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2145.667698][T16070] fib6_rule_lookup+0x182/0x630 [ 2145.667698][T16070] ip6_route_output_flags+0x259/0x480 [ 2145.667698][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2145.667698][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2145.667698][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2145.667698][T16070] __inet_stream_connect+0x272/0x9f0 [ 2145.667698][T16070] inet_stream_connect+0x57/0xa0 [ 2145.667698][T16070] __sys_connect+0x217/0x2a0 [ 2145.667698][T16070] __x64_sys_connect+0x72/0xb0 [ 2145.667698][T16070] [ 2145.669948][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.669948][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2145.669948][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2145.669948][T16070] fib6_nh_init+0xa22/0x1580 [ 2145.669948][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.669948][T16070] ip6_route_add+0x1c/0x140 [ 2145.669948][T16070] inet6_rtm_newroute+0x104/0x110 [ 2145.669948][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.669948][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.669948][T16070] netlink_unicast+0x449/0x710 [ 2145.669948][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.669948][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.669948][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.669948][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.669948][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.669948][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.669948][T16070] [ 2145.672073][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.672073][T16070] dst_init+0x84/0x4a0 [ 2145.672073][T16070] dst_alloc+0x97/0x150 [ 2145.672073][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.672073][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.672073][T16070] ip6_pol_route+0x56f/0x840 [ 2145.672073][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2145.672073][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2145.672073][T16070] fib6_rule_lookup+0x182/0x630 [ 2145.672073][T16070] ip6_route_input+0x59c/0xa50 [ 2145.672073][T16070] ipv6_rcv+0x397/0x810 [ 2145.672073][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.672073][T16070] process_backlog+0x101/0x620 [ 2145.672073][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2145.672073][T16070] net_rx_action+0x495/0xbe0 [ 2145.672073][T16070] __do_softirq+0x1b5/0x7f6 [ 2145.672073][T16070] [ 2145.674144][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.674144][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.674144][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.674144][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.674144][T16070] ip6_route_add+0x1c/0x140 [ 2145.674144][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2145.674144][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2145.674144][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2145.674144][T16070] addrconf_dad_begin+0x310/0x670 [ 2145.674144][T16070] addrconf_dad_work+0x10b/0xab0 [ 2145.674144][T16070] process_one_work+0x84d/0x18a0 [ 2145.674144][T16070] worker_thread+0x587/0xd30 [ 2145.674144][T16070] kthread+0x28a/0x350 [ 2145.674144][T16070] ret_from_fork+0x31/0x70 [ 2145.674144][T16070] ret_from_fork_asm+0x1a/0x30 [ 2145.674144][T16070] [ 2145.676173][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.676173][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.676173][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.676173][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.676173][T16070] ip6_route_add+0x1c/0x140 [ 2145.676173][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2145.676173][T16070] inet6_addr_add+0x4f8/0xa40 [ 2145.676173][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.676173][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.676173][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.676173][T16070] netlink_unicast+0x449/0x710 [ 2145.676173][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.676173][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.676173][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.676173][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.676173][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.676173][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.676173][T16070] [ 2145.678425][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.678425][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.678425][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.678425][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.678425][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2145.678425][T16070] ipv6_add_addr+0x411/0x2000 [ 2145.678425][T16070] inet6_addr_add+0x30e/0xa40 [ 2145.678425][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.678425][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.678425][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.678425][T16070] netlink_unicast+0x449/0x710 [ 2145.678425][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.678425][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.678425][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.678425][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.678425][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.678425][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.678425][T16070] [ 2145.680675][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.680675][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.680675][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.680675][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.680675][T16070] ip6_route_add+0x1c/0x140 [ 2145.680675][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.680675][T16070] addrconf_add_dev+0xe2/0x170 [ 2145.680675][T16070] inet6_addr_add+0x12f/0xa40 [ 2145.680675][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.680675][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.680675][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.680675][T16070] netlink_unicast+0x449/0x710 [ 2145.680675][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.680675][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.680675][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.680675][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.680675][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.680675][T16070] [ 2145.682881][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.682881][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2145.682881][T16070] ipv6_find_idev+0x102/0x170 [ 2145.682881][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.682881][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.682881][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.682881][T16070] netlink_unicast+0x449/0x710 [ 2145.682881][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.682881][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.682881][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.682881][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.682881][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.682881][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.682881][T16070] [ 2145.684614][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2145.684614][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2145.684614][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2145.684614][T16070] ipv6_find_idev+0x102/0x170 [ 2145.684614][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.684614][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.684614][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.684614][T16070] netlink_unicast+0x449/0x710 [ 2145.684614][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.684614][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.684614][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.684614][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.684614][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.684614][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.684614][T16070] [ 2145.686515][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2145.686829][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2145.686829][T16070] dst_init+0x84/0x4a0 [ 2145.686829][T16070] dst_alloc+0x97/0x150 [ 2145.686829][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.686829][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.686829][T16070] ip6_pol_route+0x56f/0x840 [ 2145.686829][T16070] fib6_rule_lookup+0x334/0x630 [ 2145.686829][T16070] ip6_route_output_flags+0x259/0x480 [ 2145.686829][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2145.686829][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2145.686829][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2145.686829][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2145.686829][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2145.686829][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.686829][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.686829][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.686829][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.686829][T16070] [ 2145.689080][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.689080][T16070] dst_init+0x84/0x4a0 [ 2145.689080][T16070] dst_alloc+0x97/0x150 [ 2145.689080][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.689080][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.689080][T16070] ip6_pol_route+0x56f/0x840 [ 2145.689080][T16070] fib6_rule_lookup+0x334/0x630 [ 2145.689080][T16070] ip6_route_output_flags+0x259/0x480 [ 2145.689080][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2145.689080][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2145.689080][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2145.689080][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2145.689080][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2145.689080][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2145.689080][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2145.689080][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2145.689080][T16070] ip6_input_finish+0x120/0x260 [ 2145.689080][T16070] [ 2145.691365][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.691365][T16070] dst_init+0x84/0x4a0 [ 2145.691365][T16070] dst_alloc+0x97/0x150 [ 2145.691365][T16070] ip6_dst_alloc+0x23/0x90 [ 2145.691365][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2145.691365][T16070] ip6_pol_route+0x56f/0x840 [ 2145.691365][T16070] fib6_rule_lookup+0x456/0x630 [ 2145.691365][T16070] ip6_route_input+0x59c/0xa50 [ 2145.691365][T16070] ipv6_rcv+0x397/0x810 [ 2145.691365][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2145.691365][T16070] process_backlog+0x101/0x620 [ 2145.691365][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2145.691365][T16070] net_rx_action+0x495/0xbe0 [ 2145.691365][T16070] __do_softirq+0x1b5/0x7f6 [ 2145.691365][T16070] [ 2145.693209][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.693209][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.693209][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.693209][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.693209][T16070] ip6_route_add+0x1c/0x140 [ 2145.693209][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2145.693209][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2145.693209][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2145.693209][T16070] addrconf_dad_begin+0x310/0x670 [ 2145.693209][T16070] addrconf_dad_work+0x10b/0xab0 [ 2145.693209][T16070] process_one_work+0x84d/0x18a0 [ 2145.693209][T16070] worker_thread+0x587/0xd30 [ 2145.693209][T16070] kthread+0x28a/0x350 [ 2145.693209][T16070] ret_from_fork+0x31/0x70 [ 2145.693209][T16070] ret_from_fork_asm+0x1a/0x30 [ 2145.693209][T16070] [ 2145.695470][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.695470][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.695470][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.695470][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.695470][T16070] ip6_route_add+0x1c/0x140 [ 2145.695470][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2145.695470][T16070] inet6_addr_add+0x4f8/0xa40 [ 2145.695470][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.695470][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.695470][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.695470][T16070] netlink_unicast+0x449/0x710 [ 2145.695470][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.695470][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.695470][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.695470][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.695470][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.695470][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.695470][T16070] [ 2145.698124][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.698124][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.698124][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.698124][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.698124][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2145.698124][T16070] ipv6_add_addr+0x411/0x2000 [ 2145.698124][T16070] inet6_addr_add+0x30e/0xa40 [ 2145.698124][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.698124][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.698124][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.698124][T16070] netlink_unicast+0x449/0x710 [ 2145.698124][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.698124][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.698124][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.698124][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.698124][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.698124][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.698124][T16070] [ 2145.700673][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.700673][T16070] netdev_get_by_index+0x5e/0x80 [ 2145.700673][T16070] fib6_nh_init+0x3d8/0x1580 [ 2145.700673][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2145.700673][T16070] ip6_route_add+0x1c/0x140 [ 2145.700673][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2145.700673][T16070] addrconf_add_dev+0xe2/0x170 [ 2145.700673][T16070] inet6_addr_add+0x12f/0xa40 [ 2145.700673][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2145.700673][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.700673][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.700673][T16070] netlink_unicast+0x449/0x710 [ 2145.700673][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.700673][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.700673][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.700673][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.700673][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.700673][T16070] [ 2145.703188][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.703188][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2145.703188][T16070] ipv6_find_idev+0x102/0x170 [ 2145.703188][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.703188][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.703188][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.703188][T16070] netlink_unicast+0x449/0x710 [ 2145.703188][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.703188][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.703188][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.703188][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.703188][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.703188][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.703188][T16070] [ 2145.705144][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2145.705144][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2145.705144][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2145.705144][T16070] ipv6_find_idev+0x102/0x170 [ 2145.705144][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2145.705144][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2145.705144][T16070] netlink_rcv_skb+0x130/0x360 [ 2145.705144][T16070] netlink_unicast+0x449/0x710 [ 2145.705144][T16070] netlink_sendmsg+0x723/0xbe0 [ 2145.705144][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2145.705144][T16070] ___sys_sendmsg+0xee/0x170 [ 2145.705144][T16070] __sys_sendmsg+0xcd/0x170 [ 2145.705144][T16070] do_syscall_64+0xc6/0x1e0 [ 2145.705144][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2145.705144][T16070] [ 2153.896930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2153.897379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.897379][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.897379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.897379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.897379][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2153.897379][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2153.897379][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2153.897379][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2153.897379][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2153.897379][ T74] addrconf_dad_begin+0x310/0x670 [ 2153.897379][ T74] addrconf_dad_work+0x10b/0xab0 [ 2153.897379][ T74] process_one_work+0x84d/0x18a0 [ 2153.897379][ T74] worker_thread+0x587/0xd30 [ 2153.897379][ T74] kthread+0x28a/0x350 [ 2153.897379][ T74] ret_from_fork+0x31/0x70 [ 2153.897379][ T74] ret_from_fork_asm+0x1a/0x30 [ 2153.897379][ T74] [ 2153.899319][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.899319][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.899319][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.899319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.899319][ T74] ip6_route_add+0x1c/0x140 [ 2153.899319][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2153.899319][ T74] inet6_addr_add+0x4f8/0xa40 [ 2153.899319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.899319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.899319][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.899319][ T74] netlink_unicast+0x449/0x710 [ 2153.899319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.899319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.899319][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.899319][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.899319][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.899319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.899319][ T74] [ 2153.901340][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.901340][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.901340][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.901340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.901340][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2153.901340][ T74] ipv6_add_addr+0x411/0x2000 [ 2153.901340][ T74] inet6_addr_add+0x30e/0xa40 [ 2153.901340][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.901340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.901340][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.901340][ T74] netlink_unicast+0x449/0x710 [ 2153.901340][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.901340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.901340][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.901340][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.901340][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.901340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.901340][ T74] [ 2153.903365][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.903365][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.903365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.903365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.903365][ T74] ip6_route_add+0x1c/0x140 [ 2153.903365][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2153.903365][ T74] addrconf_add_dev+0xe2/0x170 [ 2153.903365][ T74] inet6_addr_add+0x12f/0xa40 [ 2153.903365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.903365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.903365][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.903365][ T74] netlink_unicast+0x449/0x710 [ 2153.903365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.903365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.903365][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.903365][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.903365][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.903365][ T74] [ 2153.905348][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.905348][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2153.905348][ T74] ipv6_find_idev+0x102/0x170 [ 2153.905348][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.905348][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.905348][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.905348][ T74] netlink_unicast+0x449/0x710 [ 2153.905348][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.905348][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.905348][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.905348][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.905348][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.905348][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.905348][ T74] [ 2153.906899][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2153.906899][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2153.906899][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2153.906899][ T74] ipv6_find_idev+0x102/0x170 [ 2153.906899][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.906899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.906899][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.906899][ T74] netlink_unicast+0x449/0x710 [ 2153.906899][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.906899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.906899][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.906899][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.906899][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.906899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.906899][ T74] [ 2153.908648][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2153.908930][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.908930][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.908930][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.908930][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.908930][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2153.908930][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2153.908930][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2153.908930][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2153.908930][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2153.908930][ T74] addrconf_dad_begin+0x310/0x670 [ 2153.908930][ T74] addrconf_dad_work+0x10b/0xab0 [ 2153.908930][ T74] process_one_work+0x84d/0x18a0 [ 2153.908930][ T74] worker_thread+0x587/0xd30 [ 2153.908930][ T74] kthread+0x28a/0x350 [ 2153.908930][ T74] ret_from_fork+0x31/0x70 [ 2153.908930][ T74] ret_from_fork_asm+0x1a/0x30 [ 2153.908930][ T74] [ 2153.910857][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.910857][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.910857][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.910857][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.910857][ T74] ip6_route_add+0x1c/0x140 [ 2153.910857][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2153.910857][ T74] inet6_addr_add+0x4f8/0xa40 [ 2153.910857][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.910857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.910857][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.910857][ T74] netlink_unicast+0x449/0x710 [ 2153.910857][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.910857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.910857][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.910857][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.910857][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.910857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.910857][ T74] [ 2153.912881][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.912881][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.912881][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.912881][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.912881][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2153.912881][ T74] ipv6_add_addr+0x411/0x2000 [ 2153.912881][ T74] inet6_addr_add+0x30e/0xa40 [ 2153.912881][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.912881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.912881][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.912881][ T74] netlink_unicast+0x449/0x710 [ 2153.912881][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.912881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.912881][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.912881][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.912881][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.912881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.912881][ T74] [ 2153.914899][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.914899][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.914899][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.914899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.914899][ T74] ip6_route_add+0x1c/0x140 [ 2153.914899][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2153.914899][ T74] addrconf_add_dev+0xe2/0x170 [ 2153.914899][ T74] inet6_addr_add+0x12f/0xa40 [ 2153.914899][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.914899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.914899][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.914899][ T74] netlink_unicast+0x449/0x710 [ 2153.914899][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.914899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.914899][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.914899][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.914899][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.914899][ T74] [ 2153.916886][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.916886][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2153.916886][ T74] ipv6_find_idev+0x102/0x170 [ 2153.916886][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.916886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.916886][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.916886][ T74] netlink_unicast+0x449/0x710 [ 2153.916886][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.916886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.916886][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.916886][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.916886][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.916886][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.916886][ T74] [ 2153.918433][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2153.918433][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2153.918433][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2153.918433][ T74] ipv6_find_idev+0x102/0x170 [ 2153.918433][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.918433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.918433][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.918433][ T74] netlink_unicast+0x449/0x710 [ 2153.918433][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.918433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.918433][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.918433][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.918433][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.918433][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.918433][ T74] [ 2153.920140][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2153.920380][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.920380][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.920380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.920380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.920380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2153.920380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2153.920380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2153.920380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2153.920380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2153.920380][ T74] addrconf_dad_begin+0x310/0x670 [ 2153.920380][ T74] addrconf_dad_work+0x10b/0xab0 [ 2153.920380][ T74] process_one_work+0x84d/0x18a0 [ 2153.920380][ T74] worker_thread+0x587/0xd30 [ 2153.920380][ T74] kthread+0x28a/0x350 [ 2153.920380][ T74] ret_from_fork+0x31/0x70 [ 2153.920380][ T74] ret_from_fork_asm+0x1a/0x30 [ 2153.920380][ T74] [ 2153.922313][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.922313][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.922313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.922313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.922313][ T74] ip6_route_add+0x1c/0x140 [ 2153.922313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2153.922313][ T74] inet6_addr_add+0x4f8/0xa40 [ 2153.922313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.922313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.922313][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.922313][ T74] netlink_unicast+0x449/0x710 [ 2153.922313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.922313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.922313][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.922313][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.922313][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.922313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.922313][ T74] [ 2153.924505][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.924505][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.924505][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.924505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.924505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2153.924505][ T74] ipv6_add_addr+0x411/0x2000 [ 2153.924505][ T74] inet6_addr_add+0x30e/0xa40 [ 2153.924505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.924505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.924505][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.924505][ T74] netlink_unicast+0x449/0x710 [ 2153.924505][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.924505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.924505][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.924505][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.924505][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.924505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.924505][ T74] [ 2153.926755][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.926755][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.926755][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.926755][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.926755][ T74] ip6_route_add+0x1c/0x140 [ 2153.926755][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2153.926755][ T74] addrconf_add_dev+0xe2/0x170 [ 2153.926755][ T74] inet6_addr_add+0x12f/0xa40 [ 2153.926755][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.926755][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.926755][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.926755][ T74] netlink_unicast+0x449/0x710 [ 2153.926755][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.926755][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.926755][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.926755][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.926755][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.926755][ T74] [ 2153.928961][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.928961][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2153.928961][ T74] ipv6_find_idev+0x102/0x170 [ 2153.928961][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.928961][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.928961][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.928961][ T74] netlink_unicast+0x449/0x710 [ 2153.928961][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.928961][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.928961][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.928961][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.928961][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.928961][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.928961][ T74] [ 2153.930687][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2153.930687][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2153.930687][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2153.930687][ T74] ipv6_find_idev+0x102/0x170 [ 2153.930687][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.930687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.930687][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.930687][ T74] netlink_unicast+0x449/0x710 [ 2153.930687][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.930687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.930687][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.930687][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.930687][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.930687][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.930687][ T74] [ 2153.932631][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2153.933310][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.933310][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.933310][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.933310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.933310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2153.933310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2153.933310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2153.933310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2153.933310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2153.933310][ T74] addrconf_dad_begin+0x310/0x670 [ 2153.933310][ T74] addrconf_dad_work+0x10b/0xab0 [ 2153.933310][ T74] process_one_work+0x84d/0x18a0 [ 2153.933310][ T74] worker_thread+0x587/0xd30 [ 2153.933310][ T74] kthread+0x28a/0x350 [ 2153.933310][ T74] ret_from_fork+0x31/0x70 [ 2153.933310][ T74] ret_from_fork_asm+0x1a/0x30 [ 2153.933310][ T74] [ 2153.935232][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.935232][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.935232][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.935232][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.935232][ T74] ip6_route_add+0x1c/0x140 [ 2153.935232][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2153.935232][ T74] inet6_addr_add+0x4f8/0xa40 [ 2153.935232][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.935232][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.935232][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.935232][ T74] netlink_unicast+0x449/0x710 [ 2153.935232][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.935232][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.935232][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.935232][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.935232][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.935232][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.935232][ T74] [ 2153.937358][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.937358][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.937358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.937358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.937358][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2153.937358][ T74] ipv6_add_addr+0x411/0x2000 [ 2153.937358][ T74] inet6_addr_add+0x30e/0xa40 [ 2153.937358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.937358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.937358][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.937358][ T74] netlink_unicast+0x449/0x710 [ 2153.937358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.937358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.937358][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.937358][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.937358][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.937358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.937358][ T74] [ 2153.939544][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.939544][ T74] netdev_get_by_index+0x5e/0x80 [ 2153.939544][ T74] fib6_nh_init+0x3d8/0x1580 [ 2153.939544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2153.939544][ T74] ip6_route_add+0x1c/0x140 [ 2153.939544][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2153.939544][ T74] addrconf_add_dev+0xe2/0x170 [ 2153.939544][ T74] inet6_addr_add+0x12f/0xa40 [ 2153.939544][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2153.939544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.939544][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.939544][ T74] netlink_unicast+0x449/0x710 [ 2153.939544][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.939544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.939544][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.939544][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.939544][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.939544][ T74] [ 2153.941828][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.941828][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2153.941828][ T74] ipv6_find_idev+0x102/0x170 [ 2153.941828][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.941828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.941828][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.941828][ T74] netlink_unicast+0x449/0x710 [ 2153.941828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.941828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.941828][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.941828][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.941828][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.941828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.941828][ T74] [ 2153.943563][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2153.943563][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2153.943563][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2153.943563][ T74] ipv6_find_idev+0x102/0x170 [ 2153.943563][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2153.943563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2153.943563][ T74] netlink_rcv_skb+0x130/0x360 [ 2153.943563][ T74] netlink_unicast+0x449/0x710 [ 2153.943563][ T74] netlink_sendmsg+0x723/0xbe0 [ 2153.943563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2153.943563][ T74] ___sys_sendmsg+0xee/0x170 [ 2153.943563][ T74] __sys_sendmsg+0xcd/0x170 [ 2153.943563][ T74] do_syscall_64+0xc6/0x1e0 [ 2153.943563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2153.943563][ T74] [ 2155.944925][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2155.945389][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2155.945389][T16070] dst_init+0x84/0x4a0 [ 2155.945389][T16070] dst_alloc+0x97/0x150 [ 2155.945389][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.945389][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.945389][T16070] ip6_pol_route+0x56f/0x840 [ 2155.945389][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2155.945389][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2155.945389][T16070] fib6_rule_lookup+0x182/0x630 [ 2155.945389][T16070] ip6_route_output_flags+0x259/0x480 [ 2155.945389][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2155.945389][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2155.945389][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2155.945389][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2155.945389][T16070] ip6_datagram_connect+0x2c/0x50 [ 2155.945389][T16070] __sys_connect+0x217/0x2a0 [ 2155.945389][T16070] __x64_sys_connect+0x72/0xb0 [ 2155.945389][T16070] [ 2155.947681][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2155.947681][T16070] dst_init+0x84/0x4a0 [ 2155.947681][T16070] dst_alloc+0x97/0x150 [ 2155.947681][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.947681][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.947681][T16070] ip6_pol_route+0x56f/0x840 [ 2155.947681][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2155.947681][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2155.947681][T16070] fib6_rule_lookup+0x182/0x630 [ 2155.947681][T16070] ip6_route_output_flags+0x259/0x480 [ 2155.947681][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2155.947681][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2155.947681][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2155.947681][T16070] __inet_stream_connect+0x272/0x9f0 [ 2155.947681][T16070] inet_stream_connect+0x57/0xa0 [ 2155.947681][T16070] __sys_connect+0x217/0x2a0 [ 2155.947681][T16070] __x64_sys_connect+0x72/0xb0 [ 2155.947681][T16070] [ 2155.949930][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.949930][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2155.949930][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2155.949930][T16070] fib6_nh_init+0xa22/0x1580 [ 2155.949930][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.949930][T16070] ip6_route_add+0x1c/0x140 [ 2155.949930][T16070] inet6_rtm_newroute+0x104/0x110 [ 2155.949930][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.949930][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.949930][T16070] netlink_unicast+0x449/0x710 [ 2155.949930][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.949930][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.949930][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.949930][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.949930][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.949930][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.949930][T16070] [ 2155.952068][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.952068][T16070] dst_init+0x84/0x4a0 [ 2155.952068][T16070] dst_alloc+0x97/0x150 [ 2155.952068][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.952068][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.952068][T16070] ip6_pol_route+0x56f/0x840 [ 2155.952068][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2155.952068][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2155.952068][T16070] fib6_rule_lookup+0x182/0x630 [ 2155.952068][T16070] ip6_route_input+0x59c/0xa50 [ 2155.952068][T16070] ipv6_rcv+0x397/0x810 [ 2155.952068][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.952068][T16070] process_backlog+0x101/0x620 [ 2155.952068][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2155.952068][T16070] net_rx_action+0x495/0xbe0 [ 2155.952068][T16070] __do_softirq+0x1b5/0x7f6 [ 2155.952068][T16070] [ 2155.954158][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.954158][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.954158][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.954158][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.954158][T16070] ip6_route_add+0x1c/0x140 [ 2155.954158][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2155.954158][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2155.954158][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2155.954158][T16070] addrconf_dad_begin+0x310/0x670 [ 2155.954158][T16070] addrconf_dad_work+0x10b/0xab0 [ 2155.954158][T16070] process_one_work+0x84d/0x18a0 [ 2155.954158][T16070] worker_thread+0x587/0xd30 [ 2155.954158][T16070] kthread+0x28a/0x350 [ 2155.954158][T16070] ret_from_fork+0x31/0x70 [ 2155.954158][T16070] ret_from_fork_asm+0x1a/0x30 [ 2155.954158][T16070] [ 2155.956161][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.956161][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.956161][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.956161][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.956161][T16070] ip6_route_add+0x1c/0x140 [ 2155.956161][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2155.956161][T16070] inet6_addr_add+0x4f8/0xa40 [ 2155.956161][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.956161][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.956161][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.956161][T16070] netlink_unicast+0x449/0x710 [ 2155.956161][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.956161][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.956161][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.956161][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.956161][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.956161][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.956161][T16070] [ 2155.958408][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.958408][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.958408][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.958408][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.958408][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2155.958408][T16070] ipv6_add_addr+0x411/0x2000 [ 2155.958408][T16070] inet6_addr_add+0x30e/0xa40 [ 2155.958408][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.958408][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.958408][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.958408][T16070] netlink_unicast+0x449/0x710 [ 2155.958408][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.958408][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.958408][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.958408][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.958408][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.958408][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.958408][T16070] [ 2155.960651][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.960651][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.960651][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.960651][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.960651][T16070] ip6_route_add+0x1c/0x140 [ 2155.960651][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.960651][T16070] addrconf_add_dev+0xe2/0x170 [ 2155.960651][T16070] inet6_addr_add+0x12f/0xa40 [ 2155.960651][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.960651][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.960651][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.960651][T16070] netlink_unicast+0x449/0x710 [ 2155.960651][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.960651][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.960651][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.960651][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.960651][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.960651][T16070] [ 2155.962879][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.962879][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2155.962879][T16070] ipv6_find_idev+0x102/0x170 [ 2155.962879][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.962879][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.962879][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.962879][T16070] netlink_unicast+0x449/0x710 [ 2155.962879][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.962879][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.962879][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.962879][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.962879][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.962879][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.962879][T16070] [ 2155.964611][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2155.964611][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2155.964611][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2155.964611][T16070] ipv6_find_idev+0x102/0x170 [ 2155.964611][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.964611][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.964611][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.964611][T16070] netlink_unicast+0x449/0x710 [ 2155.964611][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.964611][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.964611][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.964611][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.964611][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.964611][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.964611][T16070] [ 2155.966544][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2155.966849][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2155.966849][T16070] dst_init+0x84/0x4a0 [ 2155.966849][T16070] dst_alloc+0x97/0x150 [ 2155.966849][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.966849][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.966849][T16070] ip6_pol_route+0x56f/0x840 [ 2155.966849][T16070] fib6_rule_lookup+0x334/0x630 [ 2155.966849][T16070] ip6_route_output_flags+0x259/0x480 [ 2155.966849][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2155.966849][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2155.966849][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2155.966849][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2155.966849][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2155.966849][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.966849][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.966849][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.966849][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.966849][T16070] [ 2155.969115][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.969115][T16070] dst_init+0x84/0x4a0 [ 2155.969115][T16070] dst_alloc+0x97/0x150 [ 2155.969115][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.969115][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.969115][T16070] ip6_pol_route+0x56f/0x840 [ 2155.969115][T16070] fib6_rule_lookup+0x334/0x630 [ 2155.969115][T16070] ip6_route_output_flags+0x259/0x480 [ 2155.969115][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2155.969115][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2155.969115][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2155.969115][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2155.969115][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2155.969115][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2155.969115][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2155.969115][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2155.969115][T16070] ip6_input_finish+0x120/0x260 [ 2155.969115][T16070] [ 2155.971410][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.971410][T16070] dst_init+0x84/0x4a0 [ 2155.971410][T16070] dst_alloc+0x97/0x150 [ 2155.971410][T16070] ip6_dst_alloc+0x23/0x90 [ 2155.971410][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2155.971410][T16070] ip6_pol_route+0x56f/0x840 [ 2155.971410][T16070] fib6_rule_lookup+0x456/0x630 [ 2155.971410][T16070] ip6_route_input+0x59c/0xa50 [ 2155.971410][T16070] ipv6_rcv+0x397/0x810 [ 2155.971410][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2155.971410][T16070] process_backlog+0x101/0x620 [ 2155.971410][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2155.971410][T16070] net_rx_action+0x495/0xbe0 [ 2155.971410][T16070] __do_softirq+0x1b5/0x7f6 [ 2155.971410][T16070] [ 2155.973247][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.973247][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.973247][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.973247][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.973247][T16070] ip6_route_add+0x1c/0x140 [ 2155.973247][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2155.973247][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2155.973247][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2155.973247][T16070] addrconf_dad_begin+0x310/0x670 [ 2155.973247][T16070] addrconf_dad_work+0x10b/0xab0 [ 2155.973247][T16070] process_one_work+0x84d/0x18a0 [ 2155.973247][T16070] worker_thread+0x587/0xd30 [ 2155.973247][T16070] kthread+0x28a/0x350 [ 2155.973247][T16070] ret_from_fork+0x31/0x70 [ 2155.973247][T16070] ret_from_fork_asm+0x1a/0x30 [ 2155.973247][T16070] [ 2155.975487][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.975487][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.975487][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.975487][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.975487][T16070] ip6_route_add+0x1c/0x140 [ 2155.975487][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2155.975487][T16070] inet6_addr_add+0x4f8/0xa40 [ 2155.975487][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.975487][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.975487][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.975487][T16070] netlink_unicast+0x449/0x710 [ 2155.975487][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.975487][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.975487][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.975487][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.975487][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.975487][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.975487][T16070] [ 2155.978120][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.978120][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.978120][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.978120][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.978120][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2155.978120][T16070] ipv6_add_addr+0x411/0x2000 [ 2155.978120][T16070] inet6_addr_add+0x30e/0xa40 [ 2155.978120][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.978120][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.978120][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.978120][T16070] netlink_unicast+0x449/0x710 [ 2155.978120][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.978120][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.978120][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.978120][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.978120][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.978120][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.978120][T16070] [ 2155.980674][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.980674][T16070] netdev_get_by_index+0x5e/0x80 [ 2155.980674][T16070] fib6_nh_init+0x3d8/0x1580 [ 2155.980674][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2155.980674][T16070] ip6_route_add+0x1c/0x140 [ 2155.980674][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2155.980674][T16070] addrconf_add_dev+0xe2/0x170 [ 2155.980674][T16070] inet6_addr_add+0x12f/0xa40 [ 2155.980674][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2155.980674][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.980674][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.980674][T16070] netlink_unicast+0x449/0x710 [ 2155.980674][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.980674][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.980674][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.980674][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.980674][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.980674][T16070] [ 2155.983205][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.983205][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2155.983205][T16070] ipv6_find_idev+0x102/0x170 [ 2155.983205][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.983205][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.983205][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.983205][T16070] netlink_unicast+0x449/0x710 [ 2155.983205][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.983205][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.983205][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.983205][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.983205][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.983205][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.983205][T16070] [ 2155.985167][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2155.985167][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2155.985167][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2155.985167][T16070] ipv6_find_idev+0x102/0x170 [ 2155.985167][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2155.985167][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2155.985167][T16070] netlink_rcv_skb+0x130/0x360 [ 2155.985167][T16070] netlink_unicast+0x449/0x710 [ 2155.985167][T16070] netlink_sendmsg+0x723/0xbe0 [ 2155.985167][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2155.985167][T16070] ___sys_sendmsg+0xee/0x170 [ 2155.985167][T16070] __sys_sendmsg+0xcd/0x170 [ 2155.985167][T16070] do_syscall_64+0xc6/0x1e0 [ 2155.985167][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2155.985167][T16070] [ 2164.184928][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2164.185358][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.185358][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.185358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.185358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.185358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2164.185358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2164.185358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2164.185358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2164.185358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2164.185358][ T74] addrconf_dad_begin+0x310/0x670 [ 2164.185358][ T74] addrconf_dad_work+0x10b/0xab0 [ 2164.185358][ T74] process_one_work+0x84d/0x18a0 [ 2164.185358][ T74] worker_thread+0x587/0xd30 [ 2164.185358][ T74] kthread+0x28a/0x350 [ 2164.185358][ T74] ret_from_fork+0x31/0x70 [ 2164.185358][ T74] ret_from_fork_asm+0x1a/0x30 [ 2164.185358][ T74] [ 2164.187312][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.187312][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.187312][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.187312][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.187312][ T74] ip6_route_add+0x1c/0x140 [ 2164.187312][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2164.187312][ T74] inet6_addr_add+0x4f8/0xa40 [ 2164.187312][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.187312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.187312][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.187312][ T74] netlink_unicast+0x449/0x710 [ 2164.187312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.187312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.187312][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.187312][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.187312][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.187312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.187312][ T74] [ 2164.189332][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.189332][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.189332][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.189332][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.189332][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2164.189332][ T74] ipv6_add_addr+0x411/0x2000 [ 2164.189332][ T74] inet6_addr_add+0x30e/0xa40 [ 2164.189332][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.189332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.189332][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.189332][ T74] netlink_unicast+0x449/0x710 [ 2164.189332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.189332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.189332][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.189332][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.189332][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.189332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.189332][ T74] [ 2164.191355][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.191355][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.191355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.191355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.191355][ T74] ip6_route_add+0x1c/0x140 [ 2164.191355][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2164.191355][ T74] addrconf_add_dev+0xe2/0x170 [ 2164.191355][ T74] inet6_addr_add+0x12f/0xa40 [ 2164.191355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.191355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.191355][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.191355][ T74] netlink_unicast+0x449/0x710 [ 2164.191355][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.191355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.191355][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.191355][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.191355][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.191355][ T74] [ 2164.193344][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.193344][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2164.193344][ T74] ipv6_find_idev+0x102/0x170 [ 2164.193344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.193344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.193344][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.193344][ T74] netlink_unicast+0x449/0x710 [ 2164.193344][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.193344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.193344][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.193344][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.193344][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.193344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.193344][ T74] [ 2164.194897][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2164.194897][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2164.194897][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2164.194897][ T74] ipv6_find_idev+0x102/0x170 [ 2164.194897][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.194897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.194897][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.194897][ T74] netlink_unicast+0x449/0x710 [ 2164.194897][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.194897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.194897][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.194897][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.194897][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.194897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.194897][ T74] [ 2164.196623][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2164.196896][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.196896][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.196896][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.196896][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.196896][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2164.196896][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2164.196896][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2164.196896][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2164.196896][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2164.196896][ T74] addrconf_dad_begin+0x310/0x670 [ 2164.196896][ T74] addrconf_dad_work+0x10b/0xab0 [ 2164.196896][ T74] process_one_work+0x84d/0x18a0 [ 2164.196896][ T74] worker_thread+0x587/0xd30 [ 2164.196896][ T74] kthread+0x28a/0x350 [ 2164.196896][ T74] ret_from_fork+0x31/0x70 [ 2164.196896][ T74] ret_from_fork_asm+0x1a/0x30 [ 2164.196896][ T74] [ 2164.198816][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.198816][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.198816][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.198816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.198816][ T74] ip6_route_add+0x1c/0x140 [ 2164.198816][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2164.198816][ T74] inet6_addr_add+0x4f8/0xa40 [ 2164.198816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.198816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.198816][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.198816][ T74] netlink_unicast+0x449/0x710 [ 2164.198816][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.198816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.198816][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.198816][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.198816][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.198816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.198816][ T74] [ 2164.200833][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.200833][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.200833][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.200833][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.200833][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2164.200833][ T74] ipv6_add_addr+0x411/0x2000 [ 2164.200833][ T74] inet6_addr_add+0x30e/0xa40 [ 2164.200833][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.200833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.200833][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.200833][ T74] netlink_unicast+0x449/0x710 [ 2164.200833][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.200833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.200833][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.200833][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.200833][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.200833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.200833][ T74] [ 2164.202861][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.202861][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.202861][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.202861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.202861][ T74] ip6_route_add+0x1c/0x140 [ 2164.202861][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2164.202861][ T74] addrconf_add_dev+0xe2/0x170 [ 2164.202861][ T74] inet6_addr_add+0x12f/0xa40 [ 2164.202861][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.202861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.202861][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.202861][ T74] netlink_unicast+0x449/0x710 [ 2164.202861][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.202861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.202861][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.202861][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.202861][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.202861][ T74] [ 2164.204833][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.204833][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2164.204833][ T74] ipv6_find_idev+0x102/0x170 [ 2164.204833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.204833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.204833][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.204833][ T74] netlink_unicast+0x449/0x710 [ 2164.204833][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.204833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.204833][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.204833][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.204833][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.204833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.204833][ T74] [ 2164.206377][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2164.206377][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2164.206377][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2164.206377][ T74] ipv6_find_idev+0x102/0x170 [ 2164.206377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.206377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.206377][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.206377][ T74] netlink_unicast+0x449/0x710 [ 2164.206377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.206377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.206377][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.206377][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.206377][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.206377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.206377][ T74] [ 2164.208080][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2164.208344][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.208344][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.208344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.208344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.208344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2164.208344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2164.208344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2164.208344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2164.208344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2164.208344][ T74] addrconf_dad_begin+0x310/0x670 [ 2164.208344][ T74] addrconf_dad_work+0x10b/0xab0 [ 2164.208344][ T74] process_one_work+0x84d/0x18a0 [ 2164.208344][ T74] worker_thread+0x587/0xd30 [ 2164.208344][ T74] kthread+0x28a/0x350 [ 2164.208344][ T74] ret_from_fork+0x31/0x70 [ 2164.208344][ T74] ret_from_fork_asm+0x1a/0x30 [ 2164.208344][ T74] [ 2164.210264][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.210264][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.210264][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.210264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.210264][ T74] ip6_route_add+0x1c/0x140 [ 2164.210264][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2164.210264][ T74] inet6_addr_add+0x4f8/0xa40 [ 2164.210264][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.210264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.210264][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.210264][ T74] netlink_unicast+0x449/0x710 [ 2164.210264][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.210264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.210264][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.210264][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.210264][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.210264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.210264][ T74] [ 2164.212471][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.212471][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.212471][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.212471][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.212471][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2164.212471][ T74] ipv6_add_addr+0x411/0x2000 [ 2164.212471][ T74] inet6_addr_add+0x30e/0xa40 [ 2164.212471][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.212471][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.212471][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.212471][ T74] netlink_unicast+0x449/0x710 [ 2164.212471][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.212471][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.212471][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.212471][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.212471][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.212471][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.212471][ T74] [ 2164.214714][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.214714][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.214714][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.214714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.214714][ T74] ip6_route_add+0x1c/0x140 [ 2164.214714][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2164.214714][ T74] addrconf_add_dev+0xe2/0x170 [ 2164.214714][ T74] inet6_addr_add+0x12f/0xa40 [ 2164.214714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.214714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.214714][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.214714][ T74] netlink_unicast+0x449/0x710 [ 2164.214714][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.214714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.214714][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.214714][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.214714][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.214714][ T74] [ 2164.216936][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.216936][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2164.216936][ T74] ipv6_find_idev+0x102/0x170 [ 2164.216936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.216936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.216936][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.216936][ T74] netlink_unicast+0x449/0x710 [ 2164.216936][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.216936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.216936][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.216936][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.216936][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.216936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.216936][ T74] [ 2164.218659][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2164.218659][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2164.218659][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2164.218659][ T74] ipv6_find_idev+0x102/0x170 [ 2164.218659][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.218659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.218659][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.218659][ T74] netlink_unicast+0x449/0x710 [ 2164.218659][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.218659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.218659][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.218659][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.218659][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.218659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.218659][ T74] [ 2164.220588][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2164.220829][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.220829][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.220829][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.220829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.220829][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2164.220829][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2164.220829][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2164.220829][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2164.220829][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2164.220829][ T74] addrconf_dad_begin+0x310/0x670 [ 2164.220829][ T74] addrconf_dad_work+0x10b/0xab0 [ 2164.220829][ T74] process_one_work+0x84d/0x18a0 [ 2164.220829][ T74] worker_thread+0x587/0xd30 [ 2164.220829][ T74] kthread+0x28a/0x350 [ 2164.220829][ T74] ret_from_fork+0x31/0x70 [ 2164.220829][ T74] ret_from_fork_asm+0x1a/0x30 [ 2164.220829][ T74] [ 2164.223003][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.223003][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.223003][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.223003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.223003][ T74] ip6_route_add+0x1c/0x140 [ 2164.223003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2164.223003][ T74] inet6_addr_add+0x4f8/0xa40 [ 2164.223003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.223003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.223003][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.223003][ T74] netlink_unicast+0x449/0x710 [ 2164.223003][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.223003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.223003][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.223003][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.223003][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.223003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.223003][ T74] [ 2164.225196][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.225196][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.225196][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.225196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.225196][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2164.225196][ T74] ipv6_add_addr+0x411/0x2000 [ 2164.225196][ T74] inet6_addr_add+0x30e/0xa40 [ 2164.225196][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.225196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.225196][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.225196][ T74] netlink_unicast+0x449/0x710 [ 2164.225196][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.225196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.225196][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.225196][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.225196][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.225196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.225196][ T74] [ 2164.227508][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.227508][ T74] netdev_get_by_index+0x5e/0x80 [ 2164.227508][ T74] fib6_nh_init+0x3d8/0x1580 [ 2164.227508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2164.227508][ T74] ip6_route_add+0x1c/0x140 [ 2164.227508][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2164.227508][ T74] addrconf_add_dev+0xe2/0x170 [ 2164.227508][ T74] inet6_addr_add+0x12f/0xa40 [ 2164.227508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2164.227508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.227508][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.227508][ T74] netlink_unicast+0x449/0x710 [ 2164.227508][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.227508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.227508][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.227508][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.227508][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.227508][ T74] [ 2164.229734][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.229734][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2164.229734][ T74] ipv6_find_idev+0x102/0x170 [ 2164.229734][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.229734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.229734][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.229734][ T74] netlink_unicast+0x449/0x710 [ 2164.229734][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.229734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.229734][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.229734][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.229734][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.229734][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.229734][ T74] [ 2164.231463][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2164.231463][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2164.231463][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2164.231463][ T74] ipv6_find_idev+0x102/0x170 [ 2164.231463][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2164.231463][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2164.231463][ T74] netlink_rcv_skb+0x130/0x360 [ 2164.231463][ T74] netlink_unicast+0x449/0x710 [ 2164.231463][ T74] netlink_sendmsg+0x723/0xbe0 [ 2164.231463][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2164.231463][ T74] ___sys_sendmsg+0xee/0x170 [ 2164.231463][ T74] __sys_sendmsg+0xcd/0x170 [ 2164.231463][ T74] do_syscall_64+0xc6/0x1e0 [ 2164.231463][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2164.231463][ T74] [ 2166.224927][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2166.225366][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2166.225366][T16070] dst_init+0x84/0x4a0 [ 2166.225366][T16070] dst_alloc+0x97/0x150 [ 2166.225366][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.225366][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.225366][T16070] ip6_pol_route+0x56f/0x840 [ 2166.225366][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2166.225366][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2166.225366][T16070] fib6_rule_lookup+0x182/0x630 [ 2166.225366][T16070] ip6_route_output_flags+0x259/0x480 [ 2166.225366][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2166.225366][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2166.225366][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2166.225366][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2166.225366][T16070] ip6_datagram_connect+0x2c/0x50 [ 2166.225366][T16070] __sys_connect+0x217/0x2a0 [ 2166.225366][T16070] __x64_sys_connect+0x72/0xb0 [ 2166.225366][T16070] [ 2166.227684][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2166.227684][T16070] dst_init+0x84/0x4a0 [ 2166.227684][T16070] dst_alloc+0x97/0x150 [ 2166.227684][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.227684][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.227684][T16070] ip6_pol_route+0x56f/0x840 [ 2166.227684][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2166.227684][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2166.227684][T16070] fib6_rule_lookup+0x182/0x630 [ 2166.227684][T16070] ip6_route_output_flags+0x259/0x480 [ 2166.227684][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2166.227684][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2166.227684][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2166.227684][T16070] __inet_stream_connect+0x272/0x9f0 [ 2166.227684][T16070] inet_stream_connect+0x57/0xa0 [ 2166.227684][T16070] __sys_connect+0x217/0x2a0 [ 2166.227684][T16070] __x64_sys_connect+0x72/0xb0 [ 2166.227684][T16070] [ 2166.229932][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.229932][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2166.229932][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2166.229932][T16070] fib6_nh_init+0xa22/0x1580 [ 2166.229932][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.229932][T16070] ip6_route_add+0x1c/0x140 [ 2166.229932][T16070] inet6_rtm_newroute+0x104/0x110 [ 2166.229932][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.229932][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.229932][T16070] netlink_unicast+0x449/0x710 [ 2166.229932][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.229932][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.229932][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.229932][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.229932][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.229932][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.229932][T16070] [ 2166.232062][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.232062][T16070] dst_init+0x84/0x4a0 [ 2166.232062][T16070] dst_alloc+0x97/0x150 [ 2166.232062][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.232062][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.232062][T16070] ip6_pol_route+0x56f/0x840 [ 2166.232062][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2166.232062][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2166.232062][T16070] fib6_rule_lookup+0x182/0x630 [ 2166.232062][T16070] ip6_route_input+0x59c/0xa50 [ 2166.232062][T16070] ipv6_rcv+0x397/0x810 [ 2166.232062][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2166.232062][T16070] process_backlog+0x101/0x620 [ 2166.232062][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2166.232062][T16070] net_rx_action+0x495/0xbe0 [ 2166.232062][T16070] __do_softirq+0x1b5/0x7f6 [ 2166.232062][T16070] [ 2166.234135][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.234135][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.234135][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.234135][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.234135][T16070] ip6_route_add+0x1c/0x140 [ 2166.234135][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2166.234135][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2166.234135][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2166.234135][T16070] addrconf_dad_begin+0x310/0x670 [ 2166.234135][T16070] addrconf_dad_work+0x10b/0xab0 [ 2166.234135][T16070] process_one_work+0x84d/0x18a0 [ 2166.234135][T16070] worker_thread+0x587/0xd30 [ 2166.234135][T16070] kthread+0x28a/0x350 [ 2166.234135][T16070] ret_from_fork+0x31/0x70 [ 2166.234135][T16070] ret_from_fork_asm+0x1a/0x30 [ 2166.234135][T16070] [ 2166.236159][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.236159][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.236159][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.236159][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.236159][T16070] ip6_route_add+0x1c/0x140 [ 2166.236159][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2166.236159][T16070] inet6_addr_add+0x4f8/0xa40 [ 2166.236159][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.236159][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.236159][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.236159][T16070] netlink_unicast+0x449/0x710 [ 2166.236159][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.236159][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.236159][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.236159][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.236159][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.236159][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.236159][T16070] [ 2166.238415][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.238415][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.238415][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.238415][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.238415][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2166.238415][T16070] ipv6_add_addr+0x411/0x2000 [ 2166.238415][T16070] inet6_addr_add+0x30e/0xa40 [ 2166.238415][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.238415][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.238415][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.238415][T16070] netlink_unicast+0x449/0x710 [ 2166.238415][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.238415][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.238415][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.238415][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.238415][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.238415][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.238415][T16070] [ 2166.240660][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.240660][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.240660][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.240660][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.240660][T16070] ip6_route_add+0x1c/0x140 [ 2166.240660][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.240660][T16070] addrconf_add_dev+0xe2/0x170 [ 2166.240660][T16070] inet6_addr_add+0x12f/0xa40 [ 2166.240660][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.240660][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.240660][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.240660][T16070] netlink_unicast+0x449/0x710 [ 2166.240660][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.240660][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.240660][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.240660][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.240660][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.240660][T16070] [ 2166.242892][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.242892][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2166.242892][T16070] ipv6_find_idev+0x102/0x170 [ 2166.242892][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.242892][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.242892][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.242892][T16070] netlink_unicast+0x449/0x710 [ 2166.242892][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.242892][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.242892][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.242892][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.242892][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.242892][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.242892][T16070] [ 2166.244622][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2166.244622][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2166.244622][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2166.244622][T16070] ipv6_find_idev+0x102/0x170 [ 2166.244622][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.244622][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.244622][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.244622][T16070] netlink_unicast+0x449/0x710 [ 2166.244622][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.244622][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.244622][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.244622][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.244622][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.244622][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.244622][T16070] [ 2166.246526][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2166.246828][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2166.246828][T16070] dst_init+0x84/0x4a0 [ 2166.246828][T16070] dst_alloc+0x97/0x150 [ 2166.246828][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.246828][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.246828][T16070] ip6_pol_route+0x56f/0x840 [ 2166.246828][T16070] fib6_rule_lookup+0x334/0x630 [ 2166.246828][T16070] ip6_route_output_flags+0x259/0x480 [ 2166.246828][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2166.246828][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2166.246828][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2166.246828][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2166.246828][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2166.246828][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.246828][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.246828][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.246828][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.246828][T16070] [ 2166.249084][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.249084][T16070] dst_init+0x84/0x4a0 [ 2166.249084][T16070] dst_alloc+0x97/0x150 [ 2166.249084][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.249084][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.249084][T16070] ip6_pol_route+0x56f/0x840 [ 2166.249084][T16070] fib6_rule_lookup+0x334/0x630 [ 2166.249084][T16070] ip6_route_output_flags+0x259/0x480 [ 2166.249084][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2166.249084][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2166.249084][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2166.249084][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2166.249084][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2166.249084][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2166.249084][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2166.249084][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2166.249084][T16070] ip6_input_finish+0x120/0x260 [ 2166.249084][T16070] [ 2166.251364][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.251364][T16070] dst_init+0x84/0x4a0 [ 2166.251364][T16070] dst_alloc+0x97/0x150 [ 2166.251364][T16070] ip6_dst_alloc+0x23/0x90 [ 2166.251364][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2166.251364][T16070] ip6_pol_route+0x56f/0x840 [ 2166.251364][T16070] fib6_rule_lookup+0x456/0x630 [ 2166.251364][T16070] ip6_route_input+0x59c/0xa50 [ 2166.251364][T16070] ipv6_rcv+0x397/0x810 [ 2166.251364][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2166.251364][T16070] process_backlog+0x101/0x620 [ 2166.251364][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2166.251364][T16070] net_rx_action+0x495/0xbe0 [ 2166.251364][T16070] __do_softirq+0x1b5/0x7f6 [ 2166.251364][T16070] [ 2166.253207][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.253207][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.253207][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.253207][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.253207][T16070] ip6_route_add+0x1c/0x140 [ 2166.253207][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2166.253207][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2166.253207][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2166.253207][T16070] addrconf_dad_begin+0x310/0x670 [ 2166.253207][T16070] addrconf_dad_work+0x10b/0xab0 [ 2166.253207][T16070] process_one_work+0x84d/0x18a0 [ 2166.253207][T16070] worker_thread+0x587/0xd30 [ 2166.253207][T16070] kthread+0x28a/0x350 [ 2166.253207][T16070] ret_from_fork+0x31/0x70 [ 2166.253207][T16070] ret_from_fork_asm+0x1a/0x30 [ 2166.253207][T16070] [ 2166.255449][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.255449][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.255449][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.255449][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.255449][T16070] ip6_route_add+0x1c/0x140 [ 2166.255449][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2166.255449][T16070] inet6_addr_add+0x4f8/0xa40 [ 2166.255449][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.255449][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.255449][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.255449][T16070] netlink_unicast+0x449/0x710 [ 2166.255449][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.255449][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.255449][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.255449][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.255449][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.255449][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.255449][T16070] [ 2166.258083][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.258083][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.258083][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.258083][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.258083][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2166.258083][T16070] ipv6_add_addr+0x411/0x2000 [ 2166.258083][T16070] inet6_addr_add+0x30e/0xa40 [ 2166.258083][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.258083][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.258083][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.258083][T16070] netlink_unicast+0x449/0x710 [ 2166.258083][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.258083][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.258083][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.258083][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.258083][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.258083][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.258083][T16070] [ 2166.260648][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.260648][T16070] netdev_get_by_index+0x5e/0x80 [ 2166.260648][T16070] fib6_nh_init+0x3d8/0x1580 [ 2166.260648][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2166.260648][T16070] ip6_route_add+0x1c/0x140 [ 2166.260648][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2166.260648][T16070] addrconf_add_dev+0xe2/0x170 [ 2166.260648][T16070] inet6_addr_add+0x12f/0xa40 [ 2166.260648][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2166.260648][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.260648][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.260648][T16070] netlink_unicast+0x449/0x710 [ 2166.260648][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.260648][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.260648][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.260648][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.260648][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.260648][T16070] [ 2166.263186][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.263186][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2166.263186][T16070] ipv6_find_idev+0x102/0x170 [ 2166.263186][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.263186][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.263186][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.263186][T16070] netlink_unicast+0x449/0x710 [ 2166.263186][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.263186][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.263186][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.263186][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.263186][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.263186][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.263186][T16070] [ 2166.265150][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2166.265150][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2166.265150][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2166.265150][T16070] ipv6_find_idev+0x102/0x170 [ 2166.265150][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2166.265150][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2166.265150][T16070] netlink_rcv_skb+0x130/0x360 [ 2166.265150][T16070] netlink_unicast+0x449/0x710 [ 2166.265150][T16070] netlink_sendmsg+0x723/0xbe0 [ 2166.265150][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2166.265150][T16070] ___sys_sendmsg+0xee/0x170 [ 2166.265150][T16070] __sys_sendmsg+0xcd/0x170 [ 2166.265150][T16070] do_syscall_64+0xc6/0x1e0 [ 2166.265150][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2166.265150][T16070] [ 2174.472916][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2174.473324][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.473324][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.473324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.473324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.473324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2174.473324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2174.473324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2174.473324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2174.473324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2174.473324][ T74] addrconf_dad_begin+0x310/0x670 [ 2174.473324][ T74] addrconf_dad_work+0x10b/0xab0 [ 2174.473324][ T74] process_one_work+0x84d/0x18a0 [ 2174.473324][ T74] worker_thread+0x587/0xd30 [ 2174.473324][ T74] kthread+0x28a/0x350 [ 2174.473324][ T74] ret_from_fork+0x31/0x70 [ 2174.473324][ T74] ret_from_fork_asm+0x1a/0x30 [ 2174.473324][ T74] [ 2174.475275][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.475275][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.475275][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.475275][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.475275][ T74] ip6_route_add+0x1c/0x140 [ 2174.475275][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2174.475275][ T74] inet6_addr_add+0x4f8/0xa40 [ 2174.475275][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.475275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.475275][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.475275][ T74] netlink_unicast+0x449/0x710 [ 2174.475275][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.475275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.475275][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.475275][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.475275][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.475275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.475275][ T74] [ 2174.477297][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.477297][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.477297][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.477297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.477297][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2174.477297][ T74] ipv6_add_addr+0x411/0x2000 [ 2174.477297][ T74] inet6_addr_add+0x30e/0xa40 [ 2174.477297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.477297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.477297][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.477297][ T74] netlink_unicast+0x449/0x710 [ 2174.477297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.477297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.477297][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.477297][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.477297][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.477297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.477297][ T74] [ 2174.479314][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.479314][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.479314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.479314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.479314][ T74] ip6_route_add+0x1c/0x140 [ 2174.479314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2174.479314][ T74] addrconf_add_dev+0xe2/0x170 [ 2174.479314][ T74] inet6_addr_add+0x12f/0xa40 [ 2174.479314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.479314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.479314][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.479314][ T74] netlink_unicast+0x449/0x710 [ 2174.479314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.479314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.479314][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.479314][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.479314][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.479314][ T74] [ 2174.481295][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.481295][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2174.481295][ T74] ipv6_find_idev+0x102/0x170 [ 2174.481295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.481295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.481295][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.481295][ T74] netlink_unicast+0x449/0x710 [ 2174.481295][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.481295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.481295][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.481295][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.481295][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.481295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.481295][ T74] [ 2174.482859][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2174.482859][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2174.482859][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2174.482859][ T74] ipv6_find_idev+0x102/0x170 [ 2174.482859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.482859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.482859][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.482859][ T74] netlink_unicast+0x449/0x710 [ 2174.482859][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.482859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.482859][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.482859][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.482859][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.482859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.482859][ T74] [ 2174.484567][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2174.484824][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.484824][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.484824][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.484824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.484824][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2174.484824][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2174.484824][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2174.484824][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2174.484824][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2174.484824][ T74] addrconf_dad_begin+0x310/0x670 [ 2174.484824][ T74] addrconf_dad_work+0x10b/0xab0 [ 2174.484824][ T74] process_one_work+0x84d/0x18a0 [ 2174.484824][ T74] worker_thread+0x587/0xd30 [ 2174.484824][ T74] kthread+0x28a/0x350 [ 2174.484824][ T74] ret_from_fork+0x31/0x70 [ 2174.484824][ T74] ret_from_fork_asm+0x1a/0x30 [ 2174.484824][ T74] [ 2174.486749][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.486749][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.486749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.486749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.486749][ T74] ip6_route_add+0x1c/0x140 [ 2174.486749][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2174.486749][ T74] inet6_addr_add+0x4f8/0xa40 [ 2174.486749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.486749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.486749][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.486749][ T74] netlink_unicast+0x449/0x710 [ 2174.486749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.486749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.486749][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.486749][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.486749][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.486749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.486749][ T74] [ 2174.488770][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.488770][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.488770][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.488770][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.488770][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2174.488770][ T74] ipv6_add_addr+0x411/0x2000 [ 2174.488770][ T74] inet6_addr_add+0x30e/0xa40 [ 2174.488770][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.488770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.488770][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.488770][ T74] netlink_unicast+0x449/0x710 [ 2174.488770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.488770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.488770][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.488770][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.488770][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.488770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.488770][ T74] [ 2174.490788][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.490788][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.490788][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.490788][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.490788][ T74] ip6_route_add+0x1c/0x140 [ 2174.490788][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2174.490788][ T74] addrconf_add_dev+0xe2/0x170 [ 2174.490788][ T74] inet6_addr_add+0x12f/0xa40 [ 2174.490788][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.490788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.490788][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.490788][ T74] netlink_unicast+0x449/0x710 [ 2174.490788][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.490788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.490788][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.490788][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.490788][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.490788][ T74] [ 2174.492776][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.492776][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2174.492776][ T74] ipv6_find_idev+0x102/0x170 [ 2174.492776][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.492776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.492776][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.492776][ T74] netlink_unicast+0x449/0x710 [ 2174.492776][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.492776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.492776][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.492776][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.492776][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.492776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.492776][ T74] [ 2174.494332][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2174.494332][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2174.494332][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2174.494332][ T74] ipv6_find_idev+0x102/0x170 [ 2174.494332][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.494332][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.494332][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.494332][ T74] netlink_unicast+0x449/0x710 [ 2174.494332][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.494332][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.494332][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.494332][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.494332][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.494332][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.494332][ T74] [ 2174.496036][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2174.496279][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.496279][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.496279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.496279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.496279][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2174.496279][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2174.496279][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2174.496279][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2174.496279][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2174.496279][ T74] addrconf_dad_begin+0x310/0x670 [ 2174.496279][ T74] addrconf_dad_work+0x10b/0xab0 [ 2174.496279][ T74] process_one_work+0x84d/0x18a0 [ 2174.496279][ T74] worker_thread+0x587/0xd30 [ 2174.496279][ T74] kthread+0x28a/0x350 [ 2174.496279][ T74] ret_from_fork+0x31/0x70 [ 2174.496279][ T74] ret_from_fork_asm+0x1a/0x30 [ 2174.496279][ T74] [ 2174.498205][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.498205][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.498205][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.498205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.498205][ T74] ip6_route_add+0x1c/0x140 [ 2174.498205][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2174.498205][ T74] inet6_addr_add+0x4f8/0xa40 [ 2174.498205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.498205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.498205][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.498205][ T74] netlink_unicast+0x449/0x710 [ 2174.498205][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.498205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.498205][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.498205][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.498205][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.498205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.498205][ T74] [ 2174.500405][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.500405][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.500405][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.500405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.500405][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2174.500405][ T74] ipv6_add_addr+0x411/0x2000 [ 2174.500405][ T74] inet6_addr_add+0x30e/0xa40 [ 2174.500405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.500405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.500405][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.500405][ T74] netlink_unicast+0x449/0x710 [ 2174.500405][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.500405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.500405][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.500405][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.500405][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.500405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.500405][ T74] [ 2174.502663][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.502663][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.502663][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.502663][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.502663][ T74] ip6_route_add+0x1c/0x140 [ 2174.502663][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2174.502663][ T74] addrconf_add_dev+0xe2/0x170 [ 2174.502663][ T74] inet6_addr_add+0x12f/0xa40 [ 2174.502663][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.502663][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.502663][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.502663][ T74] netlink_unicast+0x449/0x710 [ 2174.502663][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.502663][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.502663][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.502663][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.502663][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.502663][ T74] [ 2174.504876][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.504876][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2174.504876][ T74] ipv6_find_idev+0x102/0x170 [ 2174.504876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.504876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.504876][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.504876][ T74] netlink_unicast+0x449/0x710 [ 2174.504876][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.504876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.504876][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.504876][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.504876][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.504876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.504876][ T74] [ 2174.506606][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2174.506606][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2174.506606][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2174.506606][ T74] ipv6_find_idev+0x102/0x170 [ 2174.506606][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.506606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.506606][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.506606][ T74] netlink_unicast+0x449/0x710 [ 2174.506606][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.506606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.506606][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.506606][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.506606][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.506606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.506606][ T74] [ 2174.509056][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2174.509294][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.509294][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.509294][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.509294][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.509294][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2174.509294][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2174.509294][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2174.509294][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2174.509294][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2174.509294][ T74] addrconf_dad_begin+0x310/0x670 [ 2174.509294][ T74] addrconf_dad_work+0x10b/0xab0 [ 2174.509294][ T74] process_one_work+0x84d/0x18a0 [ 2174.509294][ T74] worker_thread+0x587/0xd30 [ 2174.509294][ T74] kthread+0x28a/0x350 [ 2174.509294][ T74] ret_from_fork+0x31/0x70 [ 2174.509294][ T74] ret_from_fork_asm+0x1a/0x30 [ 2174.509294][ T74] [ 2174.511462][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.511462][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.511462][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.511462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.511462][ T74] ip6_route_add+0x1c/0x140 [ 2174.511462][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2174.511462][ T74] inet6_addr_add+0x4f8/0xa40 [ 2174.511462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.511462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.511462][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.511462][ T74] netlink_unicast+0x449/0x710 [ 2174.511462][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.511462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.511462][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.511462][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.511462][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.511462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.511462][ T74] [ 2174.513673][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.513673][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.513673][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.513673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.513673][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2174.513673][ T74] ipv6_add_addr+0x411/0x2000 [ 2174.513673][ T74] inet6_addr_add+0x30e/0xa40 [ 2174.513673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.513673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.513673][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.513673][ T74] netlink_unicast+0x449/0x710 [ 2174.513673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.513673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.513673][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.513673][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.513673][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.513673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.513673][ T74] [ 2174.515998][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.515998][ T74] netdev_get_by_index+0x5e/0x80 [ 2174.515998][ T74] fib6_nh_init+0x3d8/0x1580 [ 2174.515998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2174.515998][ T74] ip6_route_add+0x1c/0x140 [ 2174.515998][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2174.515998][ T74] addrconf_add_dev+0xe2/0x170 [ 2174.515998][ T74] inet6_addr_add+0x12f/0xa40 [ 2174.515998][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2174.515998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.515998][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.515998][ T74] netlink_unicast+0x449/0x710 [ 2174.515998][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.515998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.515998][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.515998][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.515998][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.515998][ T74] [ 2174.518219][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.518219][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2174.518219][ T74] ipv6_find_idev+0x102/0x170 [ 2174.518219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.518219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.518219][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.518219][ T74] netlink_unicast+0x449/0x710 [ 2174.518219][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.518219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.518219][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.518219][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.518219][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.518219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.518219][ T74] [ 2174.519949][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2174.519949][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2174.519949][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2174.519949][ T74] ipv6_find_idev+0x102/0x170 [ 2174.519949][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2174.519949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2174.519949][ T74] netlink_rcv_skb+0x130/0x360 [ 2174.519949][ T74] netlink_unicast+0x449/0x710 [ 2174.519949][ T74] netlink_sendmsg+0x723/0xbe0 [ 2174.519949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2174.519949][ T74] ___sys_sendmsg+0xee/0x170 [ 2174.519949][ T74] __sys_sendmsg+0xcd/0x170 [ 2174.519949][ T74] do_syscall_64+0xc6/0x1e0 [ 2174.519949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2174.519949][ T74] [ 2176.504992][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2176.505442][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2176.505442][T16070] dst_init+0x84/0x4a0 [ 2176.505442][T16070] dst_alloc+0x97/0x150 [ 2176.505442][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.505442][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.505442][T16070] ip6_pol_route+0x56f/0x840 [ 2176.505442][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2176.505442][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2176.505442][T16070] fib6_rule_lookup+0x182/0x630 [ 2176.505442][T16070] ip6_route_output_flags+0x259/0x480 [ 2176.505442][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2176.505442][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2176.505442][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2176.505442][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2176.505442][T16070] ip6_datagram_connect+0x2c/0x50 [ 2176.505442][T16070] __sys_connect+0x217/0x2a0 [ 2176.505442][T16070] __x64_sys_connect+0x72/0xb0 [ 2176.505442][T16070] [ 2176.507738][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2176.507738][T16070] dst_init+0x84/0x4a0 [ 2176.507738][T16070] dst_alloc+0x97/0x150 [ 2176.507738][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.507738][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.507738][T16070] ip6_pol_route+0x56f/0x840 [ 2176.507738][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2176.507738][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2176.507738][T16070] fib6_rule_lookup+0x182/0x630 [ 2176.507738][T16070] ip6_route_output_flags+0x259/0x480 [ 2176.507738][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2176.507738][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2176.507738][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2176.507738][T16070] __inet_stream_connect+0x272/0x9f0 [ 2176.507738][T16070] inet_stream_connect+0x57/0xa0 [ 2176.507738][T16070] __sys_connect+0x217/0x2a0 [ 2176.507738][T16070] __x64_sys_connect+0x72/0xb0 [ 2176.507738][T16070] [ 2176.509988][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.509988][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2176.509988][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2176.509988][T16070] fib6_nh_init+0xa22/0x1580 [ 2176.509988][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.509988][T16070] ip6_route_add+0x1c/0x140 [ 2176.509988][T16070] inet6_rtm_newroute+0x104/0x110 [ 2176.509988][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.509988][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.509988][T16070] netlink_unicast+0x449/0x710 [ 2176.509988][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.509988][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.509988][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.509988][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.509988][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.509988][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.509988][T16070] [ 2176.512167][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.512167][T16070] dst_init+0x84/0x4a0 [ 2176.512167][T16070] dst_alloc+0x97/0x150 [ 2176.512167][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.512167][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.512167][T16070] ip6_pol_route+0x56f/0x840 [ 2176.512167][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2176.512167][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2176.512167][T16070] fib6_rule_lookup+0x182/0x630 [ 2176.512167][T16070] ip6_route_input+0x59c/0xa50 [ 2176.512167][T16070] ipv6_rcv+0x397/0x810 [ 2176.512167][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2176.512167][T16070] process_backlog+0x101/0x620 [ 2176.512167][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2176.512167][T16070] net_rx_action+0x495/0xbe0 [ 2176.512167][T16070] __do_softirq+0x1b5/0x7f6 [ 2176.512167][T16070] [ 2176.514247][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.514247][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.514247][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.514247][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.514247][T16070] ip6_route_add+0x1c/0x140 [ 2176.514247][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2176.514247][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2176.514247][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2176.514247][T16070] addrconf_dad_begin+0x310/0x670 [ 2176.514247][T16070] addrconf_dad_work+0x10b/0xab0 [ 2176.514247][T16070] process_one_work+0x84d/0x18a0 [ 2176.514247][T16070] worker_thread+0x587/0xd30 [ 2176.514247][T16070] kthread+0x28a/0x350 [ 2176.514247][T16070] ret_from_fork+0x31/0x70 [ 2176.514247][T16070] ret_from_fork_asm+0x1a/0x30 [ 2176.514247][T16070] [ 2176.516241][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.516241][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.516241][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.516241][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.516241][T16070] ip6_route_add+0x1c/0x140 [ 2176.516241][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2176.516241][T16070] inet6_addr_add+0x4f8/0xa40 [ 2176.516241][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.516241][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.516241][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.516241][T16070] netlink_unicast+0x449/0x710 [ 2176.516241][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.516241][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.516241][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.516241][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.516241][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.516241][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.516241][T16070] [ 2176.518476][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.518476][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.518476][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.518476][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.518476][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2176.518476][T16070] ipv6_add_addr+0x411/0x2000 [ 2176.518476][T16070] inet6_addr_add+0x30e/0xa40 [ 2176.518476][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.518476][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.518476][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.518476][T16070] netlink_unicast+0x449/0x710 [ 2176.518476][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.518476][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.518476][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.518476][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.518476][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.518476][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.518476][T16070] [ 2176.520709][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.520709][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.520709][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.520709][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.520709][T16070] ip6_route_add+0x1c/0x140 [ 2176.520709][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.520709][T16070] addrconf_add_dev+0xe2/0x170 [ 2176.520709][T16070] inet6_addr_add+0x12f/0xa40 [ 2176.520709][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.520709][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.520709][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.520709][T16070] netlink_unicast+0x449/0x710 [ 2176.520709][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.520709][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.520709][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.520709][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.520709][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.520709][T16070] [ 2176.522908][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.522908][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2176.522908][T16070] ipv6_find_idev+0x102/0x170 [ 2176.522908][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.522908][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.522908][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.522908][T16070] netlink_unicast+0x449/0x710 [ 2176.522908][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.522908][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.522908][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.522908][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.522908][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.522908][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.522908][T16070] [ 2176.524629][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2176.524629][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2176.524629][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2176.524629][T16070] ipv6_find_idev+0x102/0x170 [ 2176.524629][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.524629][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.524629][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.524629][T16070] netlink_unicast+0x449/0x710 [ 2176.524629][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.524629][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.524629][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.524629][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.524629][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.524629][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.524629][T16070] [ 2176.526518][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2176.526824][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2176.526824][T16070] dst_init+0x84/0x4a0 [ 2176.526824][T16070] dst_alloc+0x97/0x150 [ 2176.526824][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.526824][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.526824][T16070] ip6_pol_route+0x56f/0x840 [ 2176.526824][T16070] fib6_rule_lookup+0x334/0x630 [ 2176.526824][T16070] ip6_route_output_flags+0x259/0x480 [ 2176.526824][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2176.526824][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2176.526824][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2176.526824][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2176.526824][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2176.526824][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.526824][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.526824][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.526824][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.526824][T16070] [ 2176.529069][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.529069][T16070] dst_init+0x84/0x4a0 [ 2176.529069][T16070] dst_alloc+0x97/0x150 [ 2176.529069][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.529069][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.529069][T16070] ip6_pol_route+0x56f/0x840 [ 2176.529069][T16070] fib6_rule_lookup+0x334/0x630 [ 2176.529069][T16070] ip6_route_output_flags+0x259/0x480 [ 2176.529069][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2176.529069][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2176.529069][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2176.529069][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2176.529069][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2176.529069][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2176.529069][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2176.529069][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2176.529069][T16070] ip6_input_finish+0x120/0x260 [ 2176.529069][T16070] [ 2176.531354][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.531354][T16070] dst_init+0x84/0x4a0 [ 2176.531354][T16070] dst_alloc+0x97/0x150 [ 2176.531354][T16070] ip6_dst_alloc+0x23/0x90 [ 2176.531354][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2176.531354][T16070] ip6_pol_route+0x56f/0x840 [ 2176.531354][T16070] fib6_rule_lookup+0x456/0x630 [ 2176.531354][T16070] ip6_route_input+0x59c/0xa50 [ 2176.531354][T16070] ipv6_rcv+0x397/0x810 [ 2176.531354][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2176.531354][T16070] process_backlog+0x101/0x620 [ 2176.531354][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2176.531354][T16070] net_rx_action+0x495/0xbe0 [ 2176.531354][T16070] __do_softirq+0x1b5/0x7f6 [ 2176.531354][T16070] [ 2176.533216][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.533216][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.533216][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.533216][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.533216][T16070] ip6_route_add+0x1c/0x140 [ 2176.533216][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2176.533216][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2176.533216][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2176.533216][T16070] addrconf_dad_begin+0x310/0x670 [ 2176.533216][T16070] addrconf_dad_work+0x10b/0xab0 [ 2176.533216][T16070] process_one_work+0x84d/0x18a0 [ 2176.533216][T16070] worker_thread+0x587/0xd30 [ 2176.533216][T16070] kthread+0x28a/0x350 [ 2176.533216][T16070] ret_from_fork+0x31/0x70 [ 2176.533216][T16070] ret_from_fork_asm+0x1a/0x30 [ 2176.533216][T16070] [ 2176.535462][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.535462][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.535462][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.535462][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.535462][T16070] ip6_route_add+0x1c/0x140 [ 2176.535462][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2176.535462][T16070] inet6_addr_add+0x4f8/0xa40 [ 2176.535462][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.535462][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.535462][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.535462][T16070] netlink_unicast+0x449/0x710 [ 2176.535462][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.535462][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.535462][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.535462][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.535462][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.535462][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.535462][T16070] [ 2176.538088][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.538088][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.538088][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.538088][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.538088][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2176.538088][T16070] ipv6_add_addr+0x411/0x2000 [ 2176.538088][T16070] inet6_addr_add+0x30e/0xa40 [ 2176.538088][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.538088][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.538088][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.538088][T16070] netlink_unicast+0x449/0x710 [ 2176.538088][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.538088][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.538088][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.538088][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.538088][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.538088][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.538088][T16070] [ 2176.540635][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.540635][T16070] netdev_get_by_index+0x5e/0x80 [ 2176.540635][T16070] fib6_nh_init+0x3d8/0x1580 [ 2176.540635][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2176.540635][T16070] ip6_route_add+0x1c/0x140 [ 2176.540635][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2176.540635][T16070] addrconf_add_dev+0xe2/0x170 [ 2176.540635][T16070] inet6_addr_add+0x12f/0xa40 [ 2176.540635][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2176.540635][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.540635][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.540635][T16070] netlink_unicast+0x449/0x710 [ 2176.540635][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.540635][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.540635][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.540635][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.540635][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.540635][T16070] [ 2176.543211][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.543211][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2176.543211][T16070] ipv6_find_idev+0x102/0x170 [ 2176.543211][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.543211][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.543211][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.543211][T16070] netlink_unicast+0x449/0x710 [ 2176.543211][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.543211][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.543211][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.543211][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.543211][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.543211][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.543211][T16070] [ 2176.545170][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2176.545170][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2176.545170][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2176.545170][T16070] ipv6_find_idev+0x102/0x170 [ 2176.545170][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2176.545170][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2176.545170][T16070] netlink_rcv_skb+0x130/0x360 [ 2176.545170][T16070] netlink_unicast+0x449/0x710 [ 2176.545170][T16070] netlink_sendmsg+0x723/0xbe0 [ 2176.545170][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2176.545170][T16070] ___sys_sendmsg+0xee/0x170 [ 2176.545170][T16070] __sys_sendmsg+0xcd/0x170 [ 2176.545170][T16070] do_syscall_64+0xc6/0x1e0 [ 2176.545170][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2176.545170][T16070] [ 2184.760931][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2184.761361][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.761361][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.761361][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.761361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.761361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2184.761361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2184.761361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2184.761361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2184.761361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2184.761361][ T74] addrconf_dad_begin+0x310/0x670 [ 2184.761361][ T74] addrconf_dad_work+0x10b/0xab0 [ 2184.761361][ T74] process_one_work+0x84d/0x18a0 [ 2184.761361][ T74] worker_thread+0x587/0xd30 [ 2184.761361][ T74] kthread+0x28a/0x350 [ 2184.761361][ T74] ret_from_fork+0x31/0x70 [ 2184.761361][ T74] ret_from_fork_asm+0x1a/0x30 [ 2184.761361][ T74] [ 2184.763329][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.763329][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.763329][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.763329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.763329][ T74] ip6_route_add+0x1c/0x140 [ 2184.763329][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2184.763329][ T74] inet6_addr_add+0x4f8/0xa40 [ 2184.763329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.763329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.763329][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.763329][ T74] netlink_unicast+0x449/0x710 [ 2184.763329][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.763329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.763329][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.763329][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.763329][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.763329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.763329][ T74] [ 2184.765364][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.765364][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.765364][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.765364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.765364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2184.765364][ T74] ipv6_add_addr+0x411/0x2000 [ 2184.765364][ T74] inet6_addr_add+0x30e/0xa40 [ 2184.765364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.765364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.765364][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.765364][ T74] netlink_unicast+0x449/0x710 [ 2184.765364][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.765364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.765364][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.765364][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.765364][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.765364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.765364][ T74] [ 2184.767393][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.767393][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.767393][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.767393][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.767393][ T74] ip6_route_add+0x1c/0x140 [ 2184.767393][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2184.767393][ T74] addrconf_add_dev+0xe2/0x170 [ 2184.767393][ T74] inet6_addr_add+0x12f/0xa40 [ 2184.767393][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.767393][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.767393][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.767393][ T74] netlink_unicast+0x449/0x710 [ 2184.767393][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.767393][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.767393][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.767393][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.767393][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.767393][ T74] [ 2184.769380][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.769380][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2184.769380][ T74] ipv6_find_idev+0x102/0x170 [ 2184.769380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.769380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.769380][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.769380][ T74] netlink_unicast+0x449/0x710 [ 2184.769380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.769380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.769380][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.769380][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.769380][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.769380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.769380][ T74] [ 2184.770934][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2184.770934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2184.770934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2184.770934][ T74] ipv6_find_idev+0x102/0x170 [ 2184.770934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.770934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.770934][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.770934][ T74] netlink_unicast+0x449/0x710 [ 2184.770934][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.770934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.770934][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.770934][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.770934][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.770934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.770934][ T74] [ 2184.772662][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2184.772927][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.772927][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.772927][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.772927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.772927][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2184.772927][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2184.772927][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2184.772927][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2184.772927][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2184.772927][ T74] addrconf_dad_begin+0x310/0x670 [ 2184.772927][ T74] addrconf_dad_work+0x10b/0xab0 [ 2184.772927][ T74] process_one_work+0x84d/0x18a0 [ 2184.772927][ T74] worker_thread+0x587/0xd30 [ 2184.772927][ T74] kthread+0x28a/0x350 [ 2184.772927][ T74] ret_from_fork+0x31/0x70 [ 2184.772927][ T74] ret_from_fork_asm+0x1a/0x30 [ 2184.772927][ T74] [ 2184.774855][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.774855][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.774855][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.774855][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.774855][ T74] ip6_route_add+0x1c/0x140 [ 2184.774855][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2184.774855][ T74] inet6_addr_add+0x4f8/0xa40 [ 2184.774855][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.774855][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.774855][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.774855][ T74] netlink_unicast+0x449/0x710 [ 2184.774855][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.774855][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.774855][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.774855][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.774855][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.774855][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.774855][ T74] [ 2184.776869][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.776869][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.776869][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.776869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.776869][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2184.776869][ T74] ipv6_add_addr+0x411/0x2000 [ 2184.776869][ T74] inet6_addr_add+0x30e/0xa40 [ 2184.776869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.776869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.776869][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.776869][ T74] netlink_unicast+0x449/0x710 [ 2184.776869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.776869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.776869][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.776869][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.776869][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.776869][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.776869][ T74] [ 2184.778884][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.778884][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.778884][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.778884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.778884][ T74] ip6_route_add+0x1c/0x140 [ 2184.778884][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2184.778884][ T74] addrconf_add_dev+0xe2/0x170 [ 2184.778884][ T74] inet6_addr_add+0x12f/0xa40 [ 2184.778884][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.778884][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.778884][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.778884][ T74] netlink_unicast+0x449/0x710 [ 2184.778884][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.778884][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.778884][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.778884][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.778884][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.778884][ T74] [ 2184.780862][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.780862][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2184.780862][ T74] ipv6_find_idev+0x102/0x170 [ 2184.780862][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.780862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.780862][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.780862][ T74] netlink_unicast+0x449/0x710 [ 2184.780862][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.780862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.780862][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.780862][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.780862][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.780862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.780862][ T74] [ 2184.782427][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2184.782427][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2184.782427][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2184.782427][ T74] ipv6_find_idev+0x102/0x170 [ 2184.782427][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.782427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.782427][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.782427][ T74] netlink_unicast+0x449/0x710 [ 2184.782427][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.782427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.782427][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.782427][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.782427][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.782427][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.782427][ T74] [ 2184.784131][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2184.784376][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.784376][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.784376][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.784376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.784376][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2184.784376][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2184.784376][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2184.784376][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2184.784376][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2184.784376][ T74] addrconf_dad_begin+0x310/0x670 [ 2184.784376][ T74] addrconf_dad_work+0x10b/0xab0 [ 2184.784376][ T74] process_one_work+0x84d/0x18a0 [ 2184.784376][ T74] worker_thread+0x587/0xd30 [ 2184.784376][ T74] kthread+0x28a/0x350 [ 2184.784376][ T74] ret_from_fork+0x31/0x70 [ 2184.784376][ T74] ret_from_fork_asm+0x1a/0x30 [ 2184.784376][ T74] [ 2184.786298][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.786298][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.786298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.786298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.786298][ T74] ip6_route_add+0x1c/0x140 [ 2184.786298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2184.786298][ T74] inet6_addr_add+0x4f8/0xa40 [ 2184.786298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.786298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.786298][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.786298][ T74] netlink_unicast+0x449/0x710 [ 2184.786298][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.786298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.786298][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.786298][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.786298][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.786298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.786298][ T74] [ 2184.788495][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.788495][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.788495][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.788495][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.788495][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2184.788495][ T74] ipv6_add_addr+0x411/0x2000 [ 2184.788495][ T74] inet6_addr_add+0x30e/0xa40 [ 2184.788495][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.788495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.788495][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.788495][ T74] netlink_unicast+0x449/0x710 [ 2184.788495][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.788495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.788495][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.788495][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.788495][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.788495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.788495][ T74] [ 2184.790749][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.790749][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.790749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.790749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.790749][ T74] ip6_route_add+0x1c/0x140 [ 2184.790749][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2184.790749][ T74] addrconf_add_dev+0xe2/0x170 [ 2184.790749][ T74] inet6_addr_add+0x12f/0xa40 [ 2184.790749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.790749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.790749][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.790749][ T74] netlink_unicast+0x449/0x710 [ 2184.790749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.790749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.790749][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.790749][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.790749][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.790749][ T74] [ 2184.792973][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.792973][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2184.792973][ T74] ipv6_find_idev+0x102/0x170 [ 2184.792973][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.792973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.792973][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.792973][ T74] netlink_unicast+0x449/0x710 [ 2184.792973][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.792973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.792973][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.792973][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.792973][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.792973][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.792973][ T74] [ 2184.794704][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2184.794704][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2184.794704][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2184.794704][ T74] ipv6_find_idev+0x102/0x170 [ 2184.794704][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.794704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.794704][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.794704][ T74] netlink_unicast+0x449/0x710 [ 2184.794704][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.794704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.794704][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.794704][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.794704][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.794704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.794704][ T74] [ 2184.796635][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2184.797314][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.797314][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.797314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.797314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.797314][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2184.797314][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2184.797314][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2184.797314][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2184.797314][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2184.797314][ T74] addrconf_dad_begin+0x310/0x670 [ 2184.797314][ T74] addrconf_dad_work+0x10b/0xab0 [ 2184.797314][ T74] process_one_work+0x84d/0x18a0 [ 2184.797314][ T74] worker_thread+0x587/0xd30 [ 2184.797314][ T74] kthread+0x28a/0x350 [ 2184.797314][ T74] ret_from_fork+0x31/0x70 [ 2184.797314][ T74] ret_from_fork_asm+0x1a/0x30 [ 2184.797314][ T74] [ 2184.799243][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.799243][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.799243][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.799243][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.799243][ T74] ip6_route_add+0x1c/0x140 [ 2184.799243][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2184.799243][ T74] inet6_addr_add+0x4f8/0xa40 [ 2184.799243][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.799243][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.799243][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.799243][ T74] netlink_unicast+0x449/0x710 [ 2184.799243][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.799243][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.799243][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.799243][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.799243][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.799243][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.799243][ T74] [ 2184.801368][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.801368][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.801368][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.801368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.801368][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2184.801368][ T74] ipv6_add_addr+0x411/0x2000 [ 2184.801368][ T74] inet6_addr_add+0x30e/0xa40 [ 2184.801368][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.801368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.801368][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.801368][ T74] netlink_unicast+0x449/0x710 [ 2184.801368][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.801368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.801368][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.801368][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.801368][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.801368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.801368][ T74] [ 2184.803585][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.803585][ T74] netdev_get_by_index+0x5e/0x80 [ 2184.803585][ T74] fib6_nh_init+0x3d8/0x1580 [ 2184.803585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2184.803585][ T74] ip6_route_add+0x1c/0x140 [ 2184.803585][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2184.803585][ T74] addrconf_add_dev+0xe2/0x170 [ 2184.803585][ T74] inet6_addr_add+0x12f/0xa40 [ 2184.803585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2184.803585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.803585][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.803585][ T74] netlink_unicast+0x449/0x710 [ 2184.803585][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.803585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.803585][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.803585][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.803585][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.803585][ T74] [ 2184.805860][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.805860][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2184.805860][ T74] ipv6_find_idev+0x102/0x170 [ 2184.805860][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.805860][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.805860][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.805860][ T74] netlink_unicast+0x449/0x710 [ 2184.805860][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.805860][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.805860][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.805860][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.805860][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.805860][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.805860][ T74] [ 2184.807600][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2184.807600][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2184.807600][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2184.807600][ T74] ipv6_find_idev+0x102/0x170 [ 2184.807600][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2184.807600][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2184.807600][ T74] netlink_rcv_skb+0x130/0x360 [ 2184.807600][ T74] netlink_unicast+0x449/0x710 [ 2184.807600][ T74] netlink_sendmsg+0x723/0xbe0 [ 2184.807600][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2184.807600][ T74] ___sys_sendmsg+0xee/0x170 [ 2184.807600][ T74] __sys_sendmsg+0xcd/0x170 [ 2184.807600][ T74] do_syscall_64+0xc6/0x1e0 [ 2184.807600][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2184.807600][ T74] [ 2186.784931][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2186.785431][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2186.785431][T16070] dst_init+0x84/0x4a0 [ 2186.785431][T16070] dst_alloc+0x97/0x150 [ 2186.785431][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.785431][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.785431][T16070] ip6_pol_route+0x56f/0x840 [ 2186.785431][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2186.785431][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2186.785431][T16070] fib6_rule_lookup+0x182/0x630 [ 2186.785431][T16070] ip6_route_output_flags+0x259/0x480 [ 2186.785431][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2186.785431][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2186.785431][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2186.785431][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2186.785431][T16070] ip6_datagram_connect+0x2c/0x50 [ 2186.785431][T16070] __sys_connect+0x217/0x2a0 [ 2186.785431][T16070] __x64_sys_connect+0x72/0xb0 [ 2186.785431][T16070] [ 2186.787728][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2186.787728][T16070] dst_init+0x84/0x4a0 [ 2186.787728][T16070] dst_alloc+0x97/0x150 [ 2186.787728][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.787728][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.787728][T16070] ip6_pol_route+0x56f/0x840 [ 2186.787728][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2186.787728][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2186.787728][T16070] fib6_rule_lookup+0x182/0x630 [ 2186.787728][T16070] ip6_route_output_flags+0x259/0x480 [ 2186.787728][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2186.787728][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2186.787728][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2186.787728][T16070] __inet_stream_connect+0x272/0x9f0 [ 2186.787728][T16070] inet_stream_connect+0x57/0xa0 [ 2186.787728][T16070] __sys_connect+0x217/0x2a0 [ 2186.787728][T16070] __x64_sys_connect+0x72/0xb0 [ 2186.787728][T16070] [ 2186.789976][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.789976][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2186.789976][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2186.789976][T16070] fib6_nh_init+0xa22/0x1580 [ 2186.789976][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.789976][T16070] ip6_route_add+0x1c/0x140 [ 2186.789976][T16070] inet6_rtm_newroute+0x104/0x110 [ 2186.789976][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.789976][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.789976][T16070] netlink_unicast+0x449/0x710 [ 2186.789976][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.789976][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.789976][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.789976][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.789976][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.789976][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.789976][T16070] [ 2186.792096][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.792096][T16070] dst_init+0x84/0x4a0 [ 2186.792096][T16070] dst_alloc+0x97/0x150 [ 2186.792096][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.792096][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.792096][T16070] ip6_pol_route+0x56f/0x840 [ 2186.792096][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2186.792096][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2186.792096][T16070] fib6_rule_lookup+0x182/0x630 [ 2186.792096][T16070] ip6_route_input+0x59c/0xa50 [ 2186.792096][T16070] ipv6_rcv+0x397/0x810 [ 2186.792096][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2186.792096][T16070] process_backlog+0x101/0x620 [ 2186.792096][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2186.792096][T16070] net_rx_action+0x495/0xbe0 [ 2186.792096][T16070] __do_softirq+0x1b5/0x7f6 [ 2186.792096][T16070] [ 2186.794176][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.794176][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.794176][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.794176][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.794176][T16070] ip6_route_add+0x1c/0x140 [ 2186.794176][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2186.794176][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2186.794176][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2186.794176][T16070] addrconf_dad_begin+0x310/0x670 [ 2186.794176][T16070] addrconf_dad_work+0x10b/0xab0 [ 2186.794176][T16070] process_one_work+0x84d/0x18a0 [ 2186.794176][T16070] worker_thread+0x587/0xd30 [ 2186.794176][T16070] kthread+0x28a/0x350 [ 2186.794176][T16070] ret_from_fork+0x31/0x70 [ 2186.794176][T16070] ret_from_fork_asm+0x1a/0x30 [ 2186.794176][T16070] [ 2186.796201][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.796201][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.796201][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.796201][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.796201][T16070] ip6_route_add+0x1c/0x140 [ 2186.796201][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2186.796201][T16070] inet6_addr_add+0x4f8/0xa40 [ 2186.796201][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.796201][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.796201][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.796201][T16070] netlink_unicast+0x449/0x710 [ 2186.796201][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.796201][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.796201][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.796201][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.796201][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.796201][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.796201][T16070] [ 2186.798443][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.798443][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.798443][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.798443][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.798443][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2186.798443][T16070] ipv6_add_addr+0x411/0x2000 [ 2186.798443][T16070] inet6_addr_add+0x30e/0xa40 [ 2186.798443][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.798443][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.798443][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.798443][T16070] netlink_unicast+0x449/0x710 [ 2186.798443][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.798443][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.798443][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.798443][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.798443][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.798443][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.798443][T16070] [ 2186.800687][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.800687][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.800687][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.800687][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.800687][T16070] ip6_route_add+0x1c/0x140 [ 2186.800687][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.800687][T16070] addrconf_add_dev+0xe2/0x170 [ 2186.800687][T16070] inet6_addr_add+0x12f/0xa40 [ 2186.800687][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.800687][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.800687][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.800687][T16070] netlink_unicast+0x449/0x710 [ 2186.800687][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.800687][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.800687][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.800687][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.800687][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.800687][T16070] [ 2186.802894][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.802894][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2186.802894][T16070] ipv6_find_idev+0x102/0x170 [ 2186.802894][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.802894][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.802894][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.802894][T16070] netlink_unicast+0x449/0x710 [ 2186.802894][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.802894][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.802894][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.802894][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.802894][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.802894][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.802894][T16070] [ 2186.804624][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2186.804624][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2186.804624][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2186.804624][T16070] ipv6_find_idev+0x102/0x170 [ 2186.804624][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.804624][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.804624][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.804624][T16070] netlink_unicast+0x449/0x710 [ 2186.804624][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.804624][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.804624][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.804624][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.804624][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.804624][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.804624][T16070] [ 2186.806524][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2186.806829][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2186.806829][T16070] dst_init+0x84/0x4a0 [ 2186.806829][T16070] dst_alloc+0x97/0x150 [ 2186.806829][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.806829][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.806829][T16070] ip6_pol_route+0x56f/0x840 [ 2186.806829][T16070] fib6_rule_lookup+0x334/0x630 [ 2186.806829][T16070] ip6_route_output_flags+0x259/0x480 [ 2186.806829][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2186.806829][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2186.806829][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2186.806829][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2186.806829][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2186.806829][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.806829][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.806829][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.806829][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.806829][T16070] [ 2186.809092][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.809092][T16070] dst_init+0x84/0x4a0 [ 2186.809092][T16070] dst_alloc+0x97/0x150 [ 2186.809092][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.809092][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.809092][T16070] ip6_pol_route+0x56f/0x840 [ 2186.809092][T16070] fib6_rule_lookup+0x334/0x630 [ 2186.809092][T16070] ip6_route_output_flags+0x259/0x480 [ 2186.809092][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2186.809092][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2186.809092][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2186.809092][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2186.809092][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2186.809092][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2186.809092][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2186.809092][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2186.809092][T16070] ip6_input_finish+0x120/0x260 [ 2186.809092][T16070] [ 2186.811369][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.811369][T16070] dst_init+0x84/0x4a0 [ 2186.811369][T16070] dst_alloc+0x97/0x150 [ 2186.811369][T16070] ip6_dst_alloc+0x23/0x90 [ 2186.811369][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2186.811369][T16070] ip6_pol_route+0x56f/0x840 [ 2186.811369][T16070] fib6_rule_lookup+0x456/0x630 [ 2186.811369][T16070] ip6_route_input+0x59c/0xa50 [ 2186.811369][T16070] ipv6_rcv+0x397/0x810 [ 2186.811369][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2186.811369][T16070] process_backlog+0x101/0x620 [ 2186.811369][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2186.811369][T16070] net_rx_action+0x495/0xbe0 [ 2186.811369][T16070] __do_softirq+0x1b5/0x7f6 [ 2186.811369][T16070] [ 2186.813214][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.813214][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.813214][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.813214][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.813214][T16070] ip6_route_add+0x1c/0x140 [ 2186.813214][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2186.813214][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2186.813214][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2186.813214][T16070] addrconf_dad_begin+0x310/0x670 [ 2186.813214][T16070] addrconf_dad_work+0x10b/0xab0 [ 2186.813214][T16070] process_one_work+0x84d/0x18a0 [ 2186.813214][T16070] worker_thread+0x587/0xd30 [ 2186.813214][T16070] kthread+0x28a/0x350 [ 2186.813214][T16070] ret_from_fork+0x31/0x70 [ 2186.813214][T16070] ret_from_fork_asm+0x1a/0x30 [ 2186.813214][T16070] [ 2186.815399][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.815399][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.815399][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.815399][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.815399][T16070] ip6_route_add+0x1c/0x140 [ 2186.815399][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2186.815399][T16070] inet6_addr_add+0x4f8/0xa40 [ 2186.815399][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.815399][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.815399][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.815399][T16070] netlink_unicast+0x449/0x710 [ 2186.815399][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.815399][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.815399][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.815399][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.815399][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.815399][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.815399][T16070] [ 2186.817799][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.817799][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.817799][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.817799][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.817799][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2186.817799][T16070] ipv6_add_addr+0x411/0x2000 [ 2186.817799][T16070] inet6_addr_add+0x30e/0xa40 [ 2186.817799][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.817799][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.817799][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.817799][T16070] netlink_unicast+0x449/0x710 [ 2186.817799][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.817799][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.817799][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.817799][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.817799][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.817799][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.817799][T16070] [ 2186.820201][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.820201][T16070] netdev_get_by_index+0x5e/0x80 [ 2186.820201][T16070] fib6_nh_init+0x3d8/0x1580 [ 2186.820201][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2186.820201][T16070] ip6_route_add+0x1c/0x140 [ 2186.820201][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2186.820201][T16070] addrconf_add_dev+0xe2/0x170 [ 2186.820201][T16070] inet6_addr_add+0x12f/0xa40 [ 2186.820201][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2186.820201][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.820201][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.820201][T16070] netlink_unicast+0x449/0x710 [ 2186.820201][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.820201][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.820201][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.820201][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.820201][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.820201][T16070] [ 2186.822576][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.822576][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2186.822576][T16070] ipv6_find_idev+0x102/0x170 [ 2186.822576][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.822576][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.822576][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.822576][T16070] netlink_unicast+0x449/0x710 [ 2186.822576][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.822576][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.822576][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.822576][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.822576][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.822576][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.822576][T16070] [ 2186.824476][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2186.824476][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2186.824476][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2186.824476][T16070] ipv6_find_idev+0x102/0x170 [ 2186.824476][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2186.824476][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2186.824476][T16070] netlink_rcv_skb+0x130/0x360 [ 2186.824476][T16070] netlink_unicast+0x449/0x710 [ 2186.824476][T16070] netlink_sendmsg+0x723/0xbe0 [ 2186.824476][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2186.824476][T16070] ___sys_sendmsg+0xee/0x170 [ 2186.824476][T16070] __sys_sendmsg+0xcd/0x170 [ 2186.824476][T16070] do_syscall_64+0xc6/0x1e0 [ 2186.824476][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2186.824476][T16070] [ 2195.048929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2195.049371][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.049371][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.049371][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.049371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.049371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2195.049371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2195.049371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2195.049371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2195.049371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2195.049371][ T74] addrconf_dad_begin+0x310/0x670 [ 2195.049371][ T74] addrconf_dad_work+0x10b/0xab0 [ 2195.049371][ T74] process_one_work+0x84d/0x18a0 [ 2195.049371][ T74] worker_thread+0x587/0xd30 [ 2195.049371][ T74] kthread+0x28a/0x350 [ 2195.049371][ T74] ret_from_fork+0x31/0x70 [ 2195.049371][ T74] ret_from_fork_asm+0x1a/0x30 [ 2195.049371][ T74] [ 2195.051331][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.051331][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.051331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.051331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.051331][ T74] ip6_route_add+0x1c/0x140 [ 2195.051331][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2195.051331][ T74] inet6_addr_add+0x4f8/0xa40 [ 2195.051331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.051331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.051331][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.051331][ T74] netlink_unicast+0x449/0x710 [ 2195.051331][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.051331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.051331][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.051331][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.051331][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.051331][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.051331][ T74] [ 2195.053364][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.053364][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.053364][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.053364][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.053364][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2195.053364][ T74] ipv6_add_addr+0x411/0x2000 [ 2195.053364][ T74] inet6_addr_add+0x30e/0xa40 [ 2195.053364][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.053364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.053364][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.053364][ T74] netlink_unicast+0x449/0x710 [ 2195.053364][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.053364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.053364][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.053364][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.053364][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.053364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.053364][ T74] [ 2195.055390][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.055390][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.055390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.055390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.055390][ T74] ip6_route_add+0x1c/0x140 [ 2195.055390][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.055390][ T74] addrconf_add_dev+0xe2/0x170 [ 2195.055390][ T74] inet6_addr_add+0x12f/0xa40 [ 2195.055390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.055390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.055390][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.055390][ T74] netlink_unicast+0x449/0x710 [ 2195.055390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.055390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.055390][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.055390][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.055390][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.055390][ T74] [ 2195.057382][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.057382][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2195.057382][ T74] ipv6_find_idev+0x102/0x170 [ 2195.057382][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.057382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.057382][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.057382][ T74] netlink_unicast+0x449/0x710 [ 2195.057382][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.057382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.057382][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.057382][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.057382][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.057382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.057382][ T74] [ 2195.058936][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2195.058936][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2195.058936][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2195.058936][ T74] ipv6_find_idev+0x102/0x170 [ 2195.058936][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.058936][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.058936][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.058936][ T74] netlink_unicast+0x449/0x710 [ 2195.058936][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.058936][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.058936][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.058936][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.058936][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.058936][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.058936][ T74] [ 2195.060659][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2195.060924][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.060924][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.060924][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.060924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.060924][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2195.060924][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2195.060924][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2195.060924][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2195.060924][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2195.060924][ T74] addrconf_dad_begin+0x310/0x670 [ 2195.060924][ T74] addrconf_dad_work+0x10b/0xab0 [ 2195.060924][ T74] process_one_work+0x84d/0x18a0 [ 2195.060924][ T74] worker_thread+0x587/0xd30 [ 2195.060924][ T74] kthread+0x28a/0x350 [ 2195.060924][ T74] ret_from_fork+0x31/0x70 [ 2195.060924][ T74] ret_from_fork_asm+0x1a/0x30 [ 2195.060924][ T74] [ 2195.062870][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.062870][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.062870][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.062870][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.062870][ T74] ip6_route_add+0x1c/0x140 [ 2195.062870][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2195.062870][ T74] inet6_addr_add+0x4f8/0xa40 [ 2195.062870][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.062870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.062870][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.062870][ T74] netlink_unicast+0x449/0x710 [ 2195.062870][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.062870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.062870][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.062870][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.062870][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.062870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.062870][ T74] [ 2195.064879][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.064879][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.064879][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.064879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.064879][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2195.064879][ T74] ipv6_add_addr+0x411/0x2000 [ 2195.064879][ T74] inet6_addr_add+0x30e/0xa40 [ 2195.064879][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.064879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.064879][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.064879][ T74] netlink_unicast+0x449/0x710 [ 2195.064879][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.064879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.064879][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.064879][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.064879][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.064879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.064879][ T74] [ 2195.066889][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.066889][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.066889][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.066889][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.066889][ T74] ip6_route_add+0x1c/0x140 [ 2195.066889][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.066889][ T74] addrconf_add_dev+0xe2/0x170 [ 2195.066889][ T74] inet6_addr_add+0x12f/0xa40 [ 2195.066889][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.066889][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.066889][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.066889][ T74] netlink_unicast+0x449/0x710 [ 2195.066889][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.066889][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.066889][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.066889][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.066889][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.066889][ T74] [ 2195.068872][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.068872][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2195.068872][ T74] ipv6_find_idev+0x102/0x170 [ 2195.068872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.068872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.068872][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.068872][ T74] netlink_unicast+0x449/0x710 [ 2195.068872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.068872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.068872][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.068872][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.068872][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.068872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.068872][ T74] [ 2195.070424][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2195.070424][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2195.070424][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2195.070424][ T74] ipv6_find_idev+0x102/0x170 [ 2195.070424][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.070424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.070424][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.070424][ T74] netlink_unicast+0x449/0x710 [ 2195.070424][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.070424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.070424][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.070424][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.070424][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.070424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.070424][ T74] [ 2195.072136][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2195.072384][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.072384][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.072384][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.072384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.072384][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2195.072384][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2195.072384][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2195.072384][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2195.072384][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2195.072384][ T74] addrconf_dad_begin+0x310/0x670 [ 2195.072384][ T74] addrconf_dad_work+0x10b/0xab0 [ 2195.072384][ T74] process_one_work+0x84d/0x18a0 [ 2195.072384][ T74] worker_thread+0x587/0xd30 [ 2195.072384][ T74] kthread+0x28a/0x350 [ 2195.072384][ T74] ret_from_fork+0x31/0x70 [ 2195.072384][ T74] ret_from_fork_asm+0x1a/0x30 [ 2195.072384][ T74] [ 2195.074311][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.074311][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.074311][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.074311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.074311][ T74] ip6_route_add+0x1c/0x140 [ 2195.074311][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2195.074311][ T74] inet6_addr_add+0x4f8/0xa40 [ 2195.074311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.074311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.074311][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.074311][ T74] netlink_unicast+0x449/0x710 [ 2195.074311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.074311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.074311][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.074311][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.074311][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.074311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.074311][ T74] [ 2195.076505][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.076505][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.076505][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.076505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.076505][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2195.076505][ T74] ipv6_add_addr+0x411/0x2000 [ 2195.076505][ T74] inet6_addr_add+0x30e/0xa40 [ 2195.076505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.076505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.076505][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.076505][ T74] netlink_unicast+0x449/0x710 [ 2195.076505][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.076505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.076505][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.076505][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.076505][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.076505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.076505][ T74] [ 2195.078770][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.078770][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.078770][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.078770][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.078770][ T74] ip6_route_add+0x1c/0x140 [ 2195.078770][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.078770][ T74] addrconf_add_dev+0xe2/0x170 [ 2195.078770][ T74] inet6_addr_add+0x12f/0xa40 [ 2195.078770][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.078770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.078770][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.078770][ T74] netlink_unicast+0x449/0x710 [ 2195.078770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.078770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.078770][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.078770][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.078770][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.078770][ T74] [ 2195.080991][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.080991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2195.080991][ T74] ipv6_find_idev+0x102/0x170 [ 2195.080991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.080991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.080991][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.080991][ T74] netlink_unicast+0x449/0x710 [ 2195.080991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.080991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.080991][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.080991][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.080991][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.080991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.080991][ T74] [ 2195.082731][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2195.082731][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2195.082731][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2195.082731][ T74] ipv6_find_idev+0x102/0x170 [ 2195.082731][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.082731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.082731][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.082731][ T74] netlink_unicast+0x449/0x710 [ 2195.082731][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.082731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.082731][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.082731][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.082731][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.082731][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.082731][ T74] [ 2195.084673][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2195.085347][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.085347][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.085347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.085347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.085347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2195.085347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2195.085347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2195.085347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2195.085347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2195.085347][ T74] addrconf_dad_begin+0x310/0x670 [ 2195.085347][ T74] addrconf_dad_work+0x10b/0xab0 [ 2195.085347][ T74] process_one_work+0x84d/0x18a0 [ 2195.085347][ T74] worker_thread+0x587/0xd30 [ 2195.085347][ T74] kthread+0x28a/0x350 [ 2195.085347][ T74] ret_from_fork+0x31/0x70 [ 2195.085347][ T74] ret_from_fork_asm+0x1a/0x30 [ 2195.085347][ T74] [ 2195.087273][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.087273][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.087273][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.087273][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.087273][ T74] ip6_route_add+0x1c/0x140 [ 2195.087273][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2195.087273][ T74] inet6_addr_add+0x4f8/0xa40 [ 2195.087273][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.087273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.087273][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.087273][ T74] netlink_unicast+0x449/0x710 [ 2195.087273][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.087273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.087273][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.087273][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.087273][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.087273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.087273][ T74] [ 2195.089399][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.089399][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.089399][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.089399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.089399][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2195.089399][ T74] ipv6_add_addr+0x411/0x2000 [ 2195.089399][ T74] inet6_addr_add+0x30e/0xa40 [ 2195.089399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.089399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.089399][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.089399][ T74] netlink_unicast+0x449/0x710 [ 2195.089399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.089399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.089399][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.089399][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.089399][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.089399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.089399][ T74] [ 2195.091590][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.091590][ T74] netdev_get_by_index+0x5e/0x80 [ 2195.091590][ T74] fib6_nh_init+0x3d8/0x1580 [ 2195.091590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2195.091590][ T74] ip6_route_add+0x1c/0x140 [ 2195.091590][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2195.091590][ T74] addrconf_add_dev+0xe2/0x170 [ 2195.091590][ T74] inet6_addr_add+0x12f/0xa40 [ 2195.091590][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2195.091590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.091590][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.091590][ T74] netlink_unicast+0x449/0x710 [ 2195.091590][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.091590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.091590][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.091590][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.091590][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.091590][ T74] [ 2195.093882][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.093882][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2195.093882][ T74] ipv6_find_idev+0x102/0x170 [ 2195.093882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.093882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.093882][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.093882][ T74] netlink_unicast+0x449/0x710 [ 2195.093882][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.093882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.093882][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.093882][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.093882][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.093882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.093882][ T74] [ 2195.095616][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2195.095616][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2195.095616][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2195.095616][ T74] ipv6_find_idev+0x102/0x170 [ 2195.095616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2195.095616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2195.095616][ T74] netlink_rcv_skb+0x130/0x360 [ 2195.095616][ T74] netlink_unicast+0x449/0x710 [ 2195.095616][ T74] netlink_sendmsg+0x723/0xbe0 [ 2195.095616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2195.095616][ T74] ___sys_sendmsg+0xee/0x170 [ 2195.095616][ T74] __sys_sendmsg+0xcd/0x170 [ 2195.095616][ T74] do_syscall_64+0xc6/0x1e0 [ 2195.095616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2195.095616][ T74] [ 2197.064952][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2197.065421][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2197.065421][T16070] dst_init+0x84/0x4a0 [ 2197.065421][T16070] dst_alloc+0x97/0x150 [ 2197.065421][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.065421][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.065421][T16070] ip6_pol_route+0x56f/0x840 [ 2197.065421][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2197.065421][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2197.065421][T16070] fib6_rule_lookup+0x182/0x630 [ 2197.065421][T16070] ip6_route_output_flags+0x259/0x480 [ 2197.065421][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2197.065421][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2197.065421][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2197.065421][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2197.065421][T16070] ip6_datagram_connect+0x2c/0x50 [ 2197.065421][T16070] __sys_connect+0x217/0x2a0 [ 2197.065421][T16070] __x64_sys_connect+0x72/0xb0 [ 2197.065421][T16070] [ 2197.067761][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2197.067761][T16070] dst_init+0x84/0x4a0 [ 2197.067761][T16070] dst_alloc+0x97/0x150 [ 2197.067761][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.067761][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.067761][T16070] ip6_pol_route+0x56f/0x840 [ 2197.067761][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2197.067761][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2197.067761][T16070] fib6_rule_lookup+0x182/0x630 [ 2197.067761][T16070] ip6_route_output_flags+0x259/0x480 [ 2197.067761][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2197.067761][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2197.067761][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2197.067761][T16070] __inet_stream_connect+0x272/0x9f0 [ 2197.067761][T16070] inet_stream_connect+0x57/0xa0 [ 2197.067761][T16070] __sys_connect+0x217/0x2a0 [ 2197.067761][T16070] __x64_sys_connect+0x72/0xb0 [ 2197.067761][T16070] [ 2197.070029][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.070029][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2197.070029][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2197.070029][T16070] fib6_nh_init+0xa22/0x1580 [ 2197.070029][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.070029][T16070] ip6_route_add+0x1c/0x140 [ 2197.070029][T16070] inet6_rtm_newroute+0x104/0x110 [ 2197.070029][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.070029][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.070029][T16070] netlink_unicast+0x449/0x710 [ 2197.070029][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.070029][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.070029][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.070029][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.070029][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.070029][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.070029][T16070] [ 2197.072166][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.072166][T16070] dst_init+0x84/0x4a0 [ 2197.072166][T16070] dst_alloc+0x97/0x150 [ 2197.072166][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.072166][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.072166][T16070] ip6_pol_route+0x56f/0x840 [ 2197.072166][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2197.072166][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2197.072166][T16070] fib6_rule_lookup+0x182/0x630 [ 2197.072166][T16070] ip6_route_input+0x59c/0xa50 [ 2197.072166][T16070] ipv6_rcv+0x397/0x810 [ 2197.072166][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2197.072166][T16070] process_backlog+0x101/0x620 [ 2197.072166][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2197.072166][T16070] net_rx_action+0x495/0xbe0 [ 2197.072166][T16070] __do_softirq+0x1b5/0x7f6 [ 2197.072166][T16070] [ 2197.074266][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.074266][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.074266][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.074266][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.074266][T16070] ip6_route_add+0x1c/0x140 [ 2197.074266][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2197.074266][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2197.074266][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2197.074266][T16070] addrconf_dad_begin+0x310/0x670 [ 2197.074266][T16070] addrconf_dad_work+0x10b/0xab0 [ 2197.074266][T16070] process_one_work+0x84d/0x18a0 [ 2197.074266][T16070] worker_thread+0x587/0xd30 [ 2197.074266][T16070] kthread+0x28a/0x350 [ 2197.074266][T16070] ret_from_fork+0x31/0x70 [ 2197.074266][T16070] ret_from_fork_asm+0x1a/0x30 [ 2197.074266][T16070] [ 2197.076286][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.076286][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.076286][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.076286][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.076286][T16070] ip6_route_add+0x1c/0x140 [ 2197.076286][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2197.076286][T16070] inet6_addr_add+0x4f8/0xa40 [ 2197.076286][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.076286][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.076286][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.076286][T16070] netlink_unicast+0x449/0x710 [ 2197.076286][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.076286][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.076286][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.076286][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.076286][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.076286][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.076286][T16070] [ 2197.078553][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.078553][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.078553][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.078553][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.078553][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2197.078553][T16070] ipv6_add_addr+0x411/0x2000 [ 2197.078553][T16070] inet6_addr_add+0x30e/0xa40 [ 2197.078553][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.078553][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.078553][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.078553][T16070] netlink_unicast+0x449/0x710 [ 2197.078553][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.078553][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.078553][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.078553][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.078553][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.078553][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.078553][T16070] [ 2197.080822][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.080822][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.080822][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.080822][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.080822][T16070] ip6_route_add+0x1c/0x140 [ 2197.080822][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.080822][T16070] addrconf_add_dev+0xe2/0x170 [ 2197.080822][T16070] inet6_addr_add+0x12f/0xa40 [ 2197.080822][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.080822][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.080822][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.080822][T16070] netlink_unicast+0x449/0x710 [ 2197.080822][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.080822][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.080822][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.080822][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.080822][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.080822][T16070] [ 2197.083066][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.083066][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2197.083066][T16070] ipv6_find_idev+0x102/0x170 [ 2197.083066][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.083066][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.083066][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.083066][T16070] netlink_unicast+0x449/0x710 [ 2197.083066][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.083066][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.083066][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.083066][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.083066][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.083066][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.083066][T16070] [ 2197.084818][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2197.084818][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2197.084818][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2197.084818][T16070] ipv6_find_idev+0x102/0x170 [ 2197.084818][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.084818][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.084818][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.084818][T16070] netlink_unicast+0x449/0x710 [ 2197.084818][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.084818][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.084818][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.084818][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.084818][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.084818][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.084818][T16070] [ 2197.086745][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2197.087064][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2197.087064][T16070] dst_init+0x84/0x4a0 [ 2197.087064][T16070] dst_alloc+0x97/0x150 [ 2197.087064][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.087064][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.087064][T16070] ip6_pol_route+0x56f/0x840 [ 2197.087064][T16070] fib6_rule_lookup+0x334/0x630 [ 2197.087064][T16070] ip6_route_output_flags+0x259/0x480 [ 2197.087064][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2197.087064][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2197.087064][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2197.087064][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2197.087064][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2197.087064][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.087064][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.087064][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.087064][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.087064][T16070] [ 2197.089340][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.089340][T16070] dst_init+0x84/0x4a0 [ 2197.089340][T16070] dst_alloc+0x97/0x150 [ 2197.089340][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.089340][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.089340][T16070] ip6_pol_route+0x56f/0x840 [ 2197.089340][T16070] fib6_rule_lookup+0x334/0x630 [ 2197.089340][T16070] ip6_route_output_flags+0x259/0x480 [ 2197.089340][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2197.089340][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2197.089340][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2197.089340][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2197.089340][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2197.089340][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2197.089340][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2197.089340][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2197.089340][T16070] ip6_input_finish+0x120/0x260 [ 2197.089340][T16070] [ 2197.091662][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.091662][T16070] dst_init+0x84/0x4a0 [ 2197.091662][T16070] dst_alloc+0x97/0x150 [ 2197.091662][T16070] ip6_dst_alloc+0x23/0x90 [ 2197.091662][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2197.091662][T16070] ip6_pol_route+0x56f/0x840 [ 2197.091662][T16070] fib6_rule_lookup+0x456/0x630 [ 2197.091662][T16070] ip6_route_input+0x59c/0xa50 [ 2197.091662][T16070] ipv6_rcv+0x397/0x810 [ 2197.091662][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2197.091662][T16070] process_backlog+0x101/0x620 [ 2197.091662][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2197.091662][T16070] net_rx_action+0x495/0xbe0 [ 2197.091662][T16070] __do_softirq+0x1b5/0x7f6 [ 2197.091662][T16070] [ 2197.093527][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.093527][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.093527][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.093527][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.093527][T16070] ip6_route_add+0x1c/0x140 [ 2197.093527][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2197.093527][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2197.093527][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2197.093527][T16070] addrconf_dad_begin+0x310/0x670 [ 2197.093527][T16070] addrconf_dad_work+0x10b/0xab0 [ 2197.093527][T16070] process_one_work+0x84d/0x18a0 [ 2197.093527][T16070] worker_thread+0x587/0xd30 [ 2197.093527][T16070] kthread+0x28a/0x350 [ 2197.093527][T16070] ret_from_fork+0x31/0x70 [ 2197.093527][T16070] ret_from_fork_asm+0x1a/0x30 [ 2197.093527][T16070] [ 2197.095794][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.095794][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.095794][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.095794][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.095794][T16070] ip6_route_add+0x1c/0x140 [ 2197.095794][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2197.095794][T16070] inet6_addr_add+0x4f8/0xa40 [ 2197.095794][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.095794][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.095794][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.095794][T16070] netlink_unicast+0x449/0x710 [ 2197.095794][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.095794][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.095794][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.095794][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.095794][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.095794][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.095794][T16070] [ 2197.098886][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.098886][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.098886][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.098886][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.098886][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2197.098886][T16070] ipv6_add_addr+0x411/0x2000 [ 2197.098886][T16070] inet6_addr_add+0x30e/0xa40 [ 2197.098886][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.098886][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.098886][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.098886][T16070] netlink_unicast+0x449/0x710 [ 2197.098886][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.098886][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.098886][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.098886][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.098886][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.098886][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.098886][T16070] [ 2197.101455][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.101455][T16070] netdev_get_by_index+0x5e/0x80 [ 2197.101455][T16070] fib6_nh_init+0x3d8/0x1580 [ 2197.101455][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2197.101455][T16070] ip6_route_add+0x1c/0x140 [ 2197.101455][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2197.101455][T16070] addrconf_add_dev+0xe2/0x170 [ 2197.101455][T16070] inet6_addr_add+0x12f/0xa40 [ 2197.101455][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2197.101455][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.101455][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.101455][T16070] netlink_unicast+0x449/0x710 [ 2197.101455][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.101455][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.101455][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.101455][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.101455][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.101455][T16070] [ 2197.103986][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.103986][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2197.103986][T16070] ipv6_find_idev+0x102/0x170 [ 2197.103986][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.103986][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.103986][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.103986][T16070] netlink_unicast+0x449/0x710 [ 2197.103986][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.103986][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.103986][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.103986][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.103986][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.103986][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.103986][T16070] [ 2197.105962][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2197.105962][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2197.105962][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2197.105962][T16070] ipv6_find_idev+0x102/0x170 [ 2197.105962][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2197.105962][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2197.105962][T16070] netlink_rcv_skb+0x130/0x360 [ 2197.105962][T16070] netlink_unicast+0x449/0x710 [ 2197.105962][T16070] netlink_sendmsg+0x723/0xbe0 [ 2197.105962][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2197.105962][T16070] ___sys_sendmsg+0xee/0x170 [ 2197.105962][T16070] __sys_sendmsg+0xcd/0x170 [ 2197.105962][T16070] do_syscall_64+0xc6/0x1e0 [ 2197.105962][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2197.105962][T16070] [ 2205.336921][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2205.337324][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.337324][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.337324][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.337324][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.337324][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2205.337324][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2205.337324][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2205.337324][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2205.337324][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2205.337324][ T74] addrconf_dad_begin+0x310/0x670 [ 2205.337324][ T74] addrconf_dad_work+0x10b/0xab0 [ 2205.337324][ T74] process_one_work+0x84d/0x18a0 [ 2205.337324][ T74] worker_thread+0x587/0xd30 [ 2205.337324][ T74] kthread+0x28a/0x350 [ 2205.337324][ T74] ret_from_fork+0x31/0x70 [ 2205.337324][ T74] ret_from_fork_asm+0x1a/0x30 [ 2205.337324][ T74] [ 2205.339274][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.339274][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.339274][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.339274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.339274][ T74] ip6_route_add+0x1c/0x140 [ 2205.339274][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2205.339274][ T74] inet6_addr_add+0x4f8/0xa40 [ 2205.339274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.339274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.339274][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.339274][ T74] netlink_unicast+0x449/0x710 [ 2205.339274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.339274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.339274][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.339274][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.339274][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.339274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.339274][ T74] [ 2205.341308][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.341308][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.341308][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.341308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.341308][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2205.341308][ T74] ipv6_add_addr+0x411/0x2000 [ 2205.341308][ T74] inet6_addr_add+0x30e/0xa40 [ 2205.341308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.341308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.341308][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.341308][ T74] netlink_unicast+0x449/0x710 [ 2205.341308][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.341308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.341308][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.341308][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.341308][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.341308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.341308][ T74] [ 2205.343331][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.343331][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.343331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.343331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.343331][ T74] ip6_route_add+0x1c/0x140 [ 2205.343331][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2205.343331][ T74] addrconf_add_dev+0xe2/0x170 [ 2205.343331][ T74] inet6_addr_add+0x12f/0xa40 [ 2205.343331][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.343331][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.343331][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.343331][ T74] netlink_unicast+0x449/0x710 [ 2205.343331][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.343331][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.343331][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.343331][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.343331][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.343331][ T74] [ 2205.345324][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.345324][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2205.345324][ T74] ipv6_find_idev+0x102/0x170 [ 2205.345324][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.345324][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.345324][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.345324][ T74] netlink_unicast+0x449/0x710 [ 2205.345324][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.345324][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.345324][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.345324][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.345324][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.345324][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.345324][ T74] [ 2205.346875][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2205.346875][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2205.346875][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2205.346875][ T74] ipv6_find_idev+0x102/0x170 [ 2205.346875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.346875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.346875][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.346875][ T74] netlink_unicast+0x449/0x710 [ 2205.346875][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.346875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.346875][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.346875][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.346875][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.346875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.346875][ T74] [ 2205.348599][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2205.348847][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.348847][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.348847][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.348847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.348847][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2205.348847][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2205.348847][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2205.348847][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2205.348847][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2205.348847][ T74] addrconf_dad_begin+0x310/0x670 [ 2205.348847][ T74] addrconf_dad_work+0x10b/0xab0 [ 2205.348847][ T74] process_one_work+0x84d/0x18a0 [ 2205.348847][ T74] worker_thread+0x587/0xd30 [ 2205.348847][ T74] kthread+0x28a/0x350 [ 2205.348847][ T74] ret_from_fork+0x31/0x70 [ 2205.348847][ T74] ret_from_fork_asm+0x1a/0x30 [ 2205.348847][ T74] [ 2205.350778][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.350778][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.350778][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.350778][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.350778][ T74] ip6_route_add+0x1c/0x140 [ 2205.350778][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2205.350778][ T74] inet6_addr_add+0x4f8/0xa40 [ 2205.350778][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.350778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.350778][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.350778][ T74] netlink_unicast+0x449/0x710 [ 2205.350778][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.350778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.350778][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.350778][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.350778][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.350778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.350778][ T74] [ 2205.352798][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.352798][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.352798][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.352798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.352798][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2205.352798][ T74] ipv6_add_addr+0x411/0x2000 [ 2205.352798][ T74] inet6_addr_add+0x30e/0xa40 [ 2205.352798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.352798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.352798][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.352798][ T74] netlink_unicast+0x449/0x710 [ 2205.352798][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.352798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.352798][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.352798][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.352798][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.352798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.352798][ T74] [ 2205.354804][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.354804][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.354804][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.354804][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.354804][ T74] ip6_route_add+0x1c/0x140 [ 2205.354804][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2205.354804][ T74] addrconf_add_dev+0xe2/0x170 [ 2205.354804][ T74] inet6_addr_add+0x12f/0xa40 [ 2205.354804][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.354804][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.354804][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.354804][ T74] netlink_unicast+0x449/0x710 [ 2205.354804][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.354804][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.354804][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.354804][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.354804][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.354804][ T74] [ 2205.356781][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.356781][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2205.356781][ T74] ipv6_find_idev+0x102/0x170 [ 2205.356781][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.356781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.356781][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.356781][ T74] netlink_unicast+0x449/0x710 [ 2205.356781][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.356781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.356781][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.356781][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.356781][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.356781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.356781][ T74] [ 2205.358322][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2205.358322][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2205.358322][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2205.358322][ T74] ipv6_find_idev+0x102/0x170 [ 2205.358322][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.358322][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.358322][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.358322][ T74] netlink_unicast+0x449/0x710 [ 2205.358322][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.358322][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.358322][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.358322][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.358322][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.358322][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.358322][ T74] [ 2205.360026][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2205.360265][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.360265][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.360265][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.360265][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.360265][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2205.360265][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2205.360265][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2205.360265][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2205.360265][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2205.360265][ T74] addrconf_dad_begin+0x310/0x670 [ 2205.360265][ T74] addrconf_dad_work+0x10b/0xab0 [ 2205.360265][ T74] process_one_work+0x84d/0x18a0 [ 2205.360265][ T74] worker_thread+0x587/0xd30 [ 2205.360265][ T74] kthread+0x28a/0x350 [ 2205.360265][ T74] ret_from_fork+0x31/0x70 [ 2205.360265][ T74] ret_from_fork_asm+0x1a/0x30 [ 2205.360265][ T74] [ 2205.362194][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.362194][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.362194][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.362194][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.362194][ T74] ip6_route_add+0x1c/0x140 [ 2205.362194][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2205.362194][ T74] inet6_addr_add+0x4f8/0xa40 [ 2205.362194][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.362194][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.362194][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.362194][ T74] netlink_unicast+0x449/0x710 [ 2205.362194][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.362194][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.362194][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.362194][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.362194][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.362194][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.362194][ T74] [ 2205.364404][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.364404][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.364404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.364404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.364404][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2205.364404][ T74] ipv6_add_addr+0x411/0x2000 [ 2205.364404][ T74] inet6_addr_add+0x30e/0xa40 [ 2205.364404][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.364404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.364404][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.364404][ T74] netlink_unicast+0x449/0x710 [ 2205.364404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.364404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.364404][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.364404][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.364404][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.364404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.364404][ T74] [ 2205.366726][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.366726][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.366726][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.366726][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.366726][ T74] ip6_route_add+0x1c/0x140 [ 2205.366726][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2205.366726][ T74] addrconf_add_dev+0xe2/0x170 [ 2205.366726][ T74] inet6_addr_add+0x12f/0xa40 [ 2205.366726][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.366726][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.366726][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.366726][ T74] netlink_unicast+0x449/0x710 [ 2205.366726][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.366726][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.366726][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.366726][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.366726][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.366726][ T74] [ 2205.368885][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.368885][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2205.368885][ T74] ipv6_find_idev+0x102/0x170 [ 2205.368885][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.368885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.368885][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.368885][ T74] netlink_unicast+0x449/0x710 [ 2205.368885][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.368885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.368885][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.368885][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.368885][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.368885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.368885][ T74] [ 2205.370624][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2205.370624][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2205.370624][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2205.370624][ T74] ipv6_find_idev+0x102/0x170 [ 2205.370624][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.370624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.370624][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.370624][ T74] netlink_unicast+0x449/0x710 [ 2205.370624][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.370624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.370624][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.370624][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.370624][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.370624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.370624][ T74] [ 2205.372573][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2205.372821][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.372821][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.372821][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.372821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.372821][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2205.372821][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2205.372821][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2205.372821][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2205.372821][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2205.372821][ T74] addrconf_dad_begin+0x310/0x670 [ 2205.372821][ T74] addrconf_dad_work+0x10b/0xab0 [ 2205.372821][ T74] process_one_work+0x84d/0x18a0 [ 2205.372821][ T74] worker_thread+0x587/0xd30 [ 2205.372821][ T74] kthread+0x28a/0x350 [ 2205.372821][ T74] ret_from_fork+0x31/0x70 [ 2205.372821][ T74] ret_from_fork_asm+0x1a/0x30 [ 2205.372821][ T74] [ 2205.375044][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.375044][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.375044][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.375044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.375044][ T74] ip6_route_add+0x1c/0x140 [ 2205.375044][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2205.375044][ T74] inet6_addr_add+0x4f8/0xa40 [ 2205.375044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.375044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.375044][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.375044][ T74] netlink_unicast+0x449/0x710 [ 2205.375044][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.375044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.375044][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.375044][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.375044][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.375044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.375044][ T74] [ 2205.377249][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.377249][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.377249][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.377249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.377249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2205.377249][ T74] ipv6_add_addr+0x411/0x2000 [ 2205.377249][ T74] inet6_addr_add+0x30e/0xa40 [ 2205.377249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.377249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.377249][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.377249][ T74] netlink_unicast+0x449/0x710 [ 2205.377249][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.377249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.377249][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.377249][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.377249][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.377249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.377249][ T74] [ 2205.379497][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.379497][ T74] netdev_get_by_index+0x5e/0x80 [ 2205.379497][ T74] fib6_nh_init+0x3d8/0x1580 [ 2205.379497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2205.379497][ T74] ip6_route_add+0x1c/0x140 [ 2205.379497][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2205.379497][ T74] addrconf_add_dev+0xe2/0x170 [ 2205.379497][ T74] inet6_addr_add+0x12f/0xa40 [ 2205.379497][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2205.379497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.379497][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.379497][ T74] netlink_unicast+0x449/0x710 [ 2205.379497][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.379497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.379497][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.379497][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.379497][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.379497][ T74] [ 2205.381727][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.381727][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2205.381727][ T74] ipv6_find_idev+0x102/0x170 [ 2205.381727][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.381727][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.381727][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.381727][ T74] netlink_unicast+0x449/0x710 [ 2205.381727][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.381727][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.381727][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.381727][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.381727][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.381727][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.381727][ T74] [ 2205.383475][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2205.383475][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2205.383475][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2205.383475][ T74] ipv6_find_idev+0x102/0x170 [ 2205.383475][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2205.383475][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2205.383475][ T74] netlink_rcv_skb+0x130/0x360 [ 2205.383475][ T74] netlink_unicast+0x449/0x710 [ 2205.383475][ T74] netlink_sendmsg+0x723/0xbe0 [ 2205.383475][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2205.383475][ T74] ___sys_sendmsg+0xee/0x170 [ 2205.383475][ T74] __sys_sendmsg+0xcd/0x170 [ 2205.383475][ T74] do_syscall_64+0xc6/0x1e0 [ 2205.383475][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2205.383475][ T74] [ 2207.344924][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2207.345366][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2207.345366][T16070] dst_init+0x84/0x4a0 [ 2207.345366][T16070] dst_alloc+0x97/0x150 [ 2207.345366][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.345366][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.345366][T16070] ip6_pol_route+0x56f/0x840 [ 2207.345366][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2207.345366][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2207.345366][T16070] fib6_rule_lookup+0x182/0x630 [ 2207.345366][T16070] ip6_route_output_flags+0x259/0x480 [ 2207.345366][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2207.345366][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2207.345366][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2207.345366][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2207.345366][T16070] ip6_datagram_connect+0x2c/0x50 [ 2207.345366][T16070] __sys_connect+0x217/0x2a0 [ 2207.345366][T16070] __x64_sys_connect+0x72/0xb0 [ 2207.345366][T16070] [ 2207.347687][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2207.347687][T16070] dst_init+0x84/0x4a0 [ 2207.347687][T16070] dst_alloc+0x97/0x150 [ 2207.347687][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.347687][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.347687][T16070] ip6_pol_route+0x56f/0x840 [ 2207.347687][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2207.347687][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2207.347687][T16070] fib6_rule_lookup+0x182/0x630 [ 2207.347687][T16070] ip6_route_output_flags+0x259/0x480 [ 2207.347687][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2207.347687][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2207.347687][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2207.347687][T16070] __inet_stream_connect+0x272/0x9f0 [ 2207.347687][T16070] inet_stream_connect+0x57/0xa0 [ 2207.347687][T16070] __sys_connect+0x217/0x2a0 [ 2207.347687][T16070] __x64_sys_connect+0x72/0xb0 [ 2207.347687][T16070] [ 2207.349936][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.349936][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2207.349936][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2207.349936][T16070] fib6_nh_init+0xa22/0x1580 [ 2207.349936][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.349936][T16070] ip6_route_add+0x1c/0x140 [ 2207.349936][T16070] inet6_rtm_newroute+0x104/0x110 [ 2207.349936][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.349936][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.349936][T16070] netlink_unicast+0x449/0x710 [ 2207.349936][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.349936][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.349936][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.349936][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.349936][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.349936][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.349936][T16070] [ 2207.352052][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.352052][T16070] dst_init+0x84/0x4a0 [ 2207.352052][T16070] dst_alloc+0x97/0x150 [ 2207.352052][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.352052][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.352052][T16070] ip6_pol_route+0x56f/0x840 [ 2207.352052][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2207.352052][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2207.352052][T16070] fib6_rule_lookup+0x182/0x630 [ 2207.352052][T16070] ip6_route_input+0x59c/0xa50 [ 2207.352052][T16070] ipv6_rcv+0x397/0x810 [ 2207.352052][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2207.352052][T16070] process_backlog+0x101/0x620 [ 2207.352052][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2207.352052][T16070] net_rx_action+0x495/0xbe0 [ 2207.352052][T16070] __do_softirq+0x1b5/0x7f6 [ 2207.352052][T16070] [ 2207.354127][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.354127][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.354127][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.354127][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.354127][T16070] ip6_route_add+0x1c/0x140 [ 2207.354127][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2207.354127][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2207.354127][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2207.354127][T16070] addrconf_dad_begin+0x310/0x670 [ 2207.354127][T16070] addrconf_dad_work+0x10b/0xab0 [ 2207.354127][T16070] process_one_work+0x84d/0x18a0 [ 2207.354127][T16070] worker_thread+0x587/0xd30 [ 2207.354127][T16070] kthread+0x28a/0x350 [ 2207.354127][T16070] ret_from_fork+0x31/0x70 [ 2207.354127][T16070] ret_from_fork_asm+0x1a/0x30 [ 2207.354127][T16070] [ 2207.356139][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.356139][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.356139][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.356139][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.356139][T16070] ip6_route_add+0x1c/0x140 [ 2207.356139][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2207.356139][T16070] inet6_addr_add+0x4f8/0xa40 [ 2207.356139][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.356139][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.356139][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.356139][T16070] netlink_unicast+0x449/0x710 [ 2207.356139][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.356139][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.356139][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.356139][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.356139][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.356139][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.356139][T16070] [ 2207.358378][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.358378][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.358378][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.358378][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.358378][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2207.358378][T16070] ipv6_add_addr+0x411/0x2000 [ 2207.358378][T16070] inet6_addr_add+0x30e/0xa40 [ 2207.358378][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.358378][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.358378][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.358378][T16070] netlink_unicast+0x449/0x710 [ 2207.358378][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.358378][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.358378][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.358378][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.358378][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.358378][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.358378][T16070] [ 2207.360625][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.360625][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.360625][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.360625][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.360625][T16070] ip6_route_add+0x1c/0x140 [ 2207.360625][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.360625][T16070] addrconf_add_dev+0xe2/0x170 [ 2207.360625][T16070] inet6_addr_add+0x12f/0xa40 [ 2207.360625][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.360625][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.360625][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.360625][T16070] netlink_unicast+0x449/0x710 [ 2207.360625][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.360625][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.360625][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.360625][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.360625][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.360625][T16070] [ 2207.362849][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.362849][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2207.362849][T16070] ipv6_find_idev+0x102/0x170 [ 2207.362849][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.362849][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.362849][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.362849][T16070] netlink_unicast+0x449/0x710 [ 2207.362849][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.362849][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.362849][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.362849][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.362849][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.362849][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.362849][T16070] [ 2207.364585][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2207.364585][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2207.364585][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2207.364585][T16070] ipv6_find_idev+0x102/0x170 [ 2207.364585][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.364585][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.364585][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.364585][T16070] netlink_unicast+0x449/0x710 [ 2207.364585][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.364585][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.364585][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.364585][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.364585][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.364585][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.364585][T16070] [ 2207.366552][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2207.366861][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2207.366861][T16070] dst_init+0x84/0x4a0 [ 2207.366861][T16070] dst_alloc+0x97/0x150 [ 2207.366861][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.366861][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.366861][T16070] ip6_pol_route+0x56f/0x840 [ 2207.366861][T16070] fib6_rule_lookup+0x334/0x630 [ 2207.366861][T16070] ip6_route_output_flags+0x259/0x480 [ 2207.366861][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2207.366861][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2207.366861][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2207.366861][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2207.366861][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2207.366861][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.366861][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.366861][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.366861][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.366861][T16070] [ 2207.369123][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.369123][T16070] dst_init+0x84/0x4a0 [ 2207.369123][T16070] dst_alloc+0x97/0x150 [ 2207.369123][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.369123][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.369123][T16070] ip6_pol_route+0x56f/0x840 [ 2207.369123][T16070] fib6_rule_lookup+0x334/0x630 [ 2207.369123][T16070] ip6_route_output_flags+0x259/0x480 [ 2207.369123][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2207.369123][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2207.369123][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2207.369123][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2207.369123][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2207.369123][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2207.369123][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2207.369123][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2207.369123][T16070] ip6_input_finish+0x120/0x260 [ 2207.369123][T16070] [ 2207.371398][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.371398][T16070] dst_init+0x84/0x4a0 [ 2207.371398][T16070] dst_alloc+0x97/0x150 [ 2207.371398][T16070] ip6_dst_alloc+0x23/0x90 [ 2207.371398][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2207.371398][T16070] ip6_pol_route+0x56f/0x840 [ 2207.371398][T16070] fib6_rule_lookup+0x456/0x630 [ 2207.371398][T16070] ip6_route_input+0x59c/0xa50 [ 2207.371398][T16070] ipv6_rcv+0x397/0x810 [ 2207.371398][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2207.371398][T16070] process_backlog+0x101/0x620 [ 2207.371398][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2207.371398][T16070] net_rx_action+0x495/0xbe0 [ 2207.371398][T16070] __do_softirq+0x1b5/0x7f6 [ 2207.371398][T16070] [ 2207.373226][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.373226][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.373226][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.373226][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.373226][T16070] ip6_route_add+0x1c/0x140 [ 2207.373226][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2207.373226][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2207.373226][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2207.373226][T16070] addrconf_dad_begin+0x310/0x670 [ 2207.373226][T16070] addrconf_dad_work+0x10b/0xab0 [ 2207.373226][T16070] process_one_work+0x84d/0x18a0 [ 2207.373226][T16070] worker_thread+0x587/0xd30 [ 2207.373226][T16070] kthread+0x28a/0x350 [ 2207.373226][T16070] ret_from_fork+0x31/0x70 [ 2207.373226][T16070] ret_from_fork_asm+0x1a/0x30 [ 2207.373226][T16070] [ 2207.375466][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.375466][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.375466][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.375466][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.375466][T16070] ip6_route_add+0x1c/0x140 [ 2207.375466][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2207.375466][T16070] inet6_addr_add+0x4f8/0xa40 [ 2207.375466][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.375466][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.375466][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.375466][T16070] netlink_unicast+0x449/0x710 [ 2207.375466][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.375466][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.375466][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.375466][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.375466][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.375466][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.375466][T16070] [ 2207.378094][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.378094][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.378094][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.378094][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.378094][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2207.378094][T16070] ipv6_add_addr+0x411/0x2000 [ 2207.378094][T16070] inet6_addr_add+0x30e/0xa40 [ 2207.378094][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.378094][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.378094][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.378094][T16070] netlink_unicast+0x449/0x710 [ 2207.378094][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.378094][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.378094][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.378094][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.378094][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.378094][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.378094][T16070] [ 2207.380637][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.380637][T16070] netdev_get_by_index+0x5e/0x80 [ 2207.380637][T16070] fib6_nh_init+0x3d8/0x1580 [ 2207.380637][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2207.380637][T16070] ip6_route_add+0x1c/0x140 [ 2207.380637][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2207.380637][T16070] addrconf_add_dev+0xe2/0x170 [ 2207.380637][T16070] inet6_addr_add+0x12f/0xa40 [ 2207.380637][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2207.380637][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.380637][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.380637][T16070] netlink_unicast+0x449/0x710 [ 2207.380637][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.380637][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.380637][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.380637][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.380637][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.380637][T16070] [ 2207.383182][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.383182][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2207.383182][T16070] ipv6_find_idev+0x102/0x170 [ 2207.383182][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.383182][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.383182][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.383182][T16070] netlink_unicast+0x449/0x710 [ 2207.383182][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.383182][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.383182][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.383182][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.383182][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.383182][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.383182][T16070] [ 2207.385144][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2207.385144][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2207.385144][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2207.385144][T16070] ipv6_find_idev+0x102/0x170 [ 2207.385144][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2207.385144][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2207.385144][T16070] netlink_rcv_skb+0x130/0x360 [ 2207.385144][T16070] netlink_unicast+0x449/0x710 [ 2207.385144][T16070] netlink_sendmsg+0x723/0xbe0 [ 2207.385144][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2207.385144][T16070] ___sys_sendmsg+0xee/0x170 [ 2207.385144][T16070] __sys_sendmsg+0xcd/0x170 [ 2207.385144][T16070] do_syscall_64+0xc6/0x1e0 [ 2207.385144][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2207.385144][T16070] [ 2215.625015][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2215.625488][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.625488][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.625488][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.625488][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.625488][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2215.625488][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2215.625488][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2215.625488][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2215.625488][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2215.625488][ T74] addrconf_dad_begin+0x310/0x670 [ 2215.625488][ T74] addrconf_dad_work+0x10b/0xab0 [ 2215.625488][ T74] process_one_work+0x84d/0x18a0 [ 2215.625488][ T74] worker_thread+0x587/0xd30 [ 2215.625488][ T74] kthread+0x28a/0x350 [ 2215.625488][ T74] ret_from_fork+0x31/0x70 [ 2215.625488][ T74] ret_from_fork_asm+0x1a/0x30 [ 2215.625488][ T74] [ 2215.627432][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.627432][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.627432][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.627432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.627432][ T74] ip6_route_add+0x1c/0x140 [ 2215.627432][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2215.627432][ T74] inet6_addr_add+0x4f8/0xa40 [ 2215.627432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.627432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.627432][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.627432][ T74] netlink_unicast+0x449/0x710 [ 2215.627432][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.627432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.627432][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.627432][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.627432][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.627432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.627432][ T74] [ 2215.629455][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.629455][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.629455][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.629455][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.629455][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2215.629455][ T74] ipv6_add_addr+0x411/0x2000 [ 2215.629455][ T74] inet6_addr_add+0x30e/0xa40 [ 2215.629455][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.629455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.629455][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.629455][ T74] netlink_unicast+0x449/0x710 [ 2215.629455][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.629455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.629455][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.629455][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.629455][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.629455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.629455][ T74] [ 2215.631480][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.631480][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.631480][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.631480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.631480][ T74] ip6_route_add+0x1c/0x140 [ 2215.631480][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2215.631480][ T74] addrconf_add_dev+0xe2/0x170 [ 2215.631480][ T74] inet6_addr_add+0x12f/0xa40 [ 2215.631480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.631480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.631480][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.631480][ T74] netlink_unicast+0x449/0x710 [ 2215.631480][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.631480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.631480][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.631480][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.631480][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.631480][ T74] [ 2215.633468][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.633468][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2215.633468][ T74] ipv6_find_idev+0x102/0x170 [ 2215.633468][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.633468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.633468][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.633468][ T74] netlink_unicast+0x449/0x710 [ 2215.633468][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.633468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.633468][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.633468][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.633468][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.633468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.633468][ T74] [ 2215.635020][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2215.635020][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2215.635020][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2215.635020][ T74] ipv6_find_idev+0x102/0x170 [ 2215.635020][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.635020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.635020][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.635020][ T74] netlink_unicast+0x449/0x710 [ 2215.635020][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.635020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.635020][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.635020][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.635020][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.635020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.635020][ T74] [ 2215.636748][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2215.637009][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.637009][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.637009][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.637009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.637009][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2215.637009][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2215.637009][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2215.637009][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2215.637009][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2215.637009][ T74] addrconf_dad_begin+0x310/0x670 [ 2215.637009][ T74] addrconf_dad_work+0x10b/0xab0 [ 2215.637009][ T74] process_one_work+0x84d/0x18a0 [ 2215.637009][ T74] worker_thread+0x587/0xd30 [ 2215.637009][ T74] kthread+0x28a/0x350 [ 2215.637009][ T74] ret_from_fork+0x31/0x70 [ 2215.637009][ T74] ret_from_fork_asm+0x1a/0x30 [ 2215.637009][ T74] [ 2215.638931][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.638931][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.638931][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.638931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.638931][ T74] ip6_route_add+0x1c/0x140 [ 2215.638931][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2215.638931][ T74] inet6_addr_add+0x4f8/0xa40 [ 2215.638931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.638931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.638931][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.638931][ T74] netlink_unicast+0x449/0x710 [ 2215.638931][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.638931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.638931][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.638931][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.638931][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.638931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.638931][ T74] [ 2215.640954][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.640954][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.640954][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.640954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.640954][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2215.640954][ T74] ipv6_add_addr+0x411/0x2000 [ 2215.640954][ T74] inet6_addr_add+0x30e/0xa40 [ 2215.640954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.640954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.640954][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.640954][ T74] netlink_unicast+0x449/0x710 [ 2215.640954][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.640954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.640954][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.640954][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.640954][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.640954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.640954][ T74] [ 2215.642973][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.642973][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.642973][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.642973][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.642973][ T74] ip6_route_add+0x1c/0x140 [ 2215.642973][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2215.642973][ T74] addrconf_add_dev+0xe2/0x170 [ 2215.642973][ T74] inet6_addr_add+0x12f/0xa40 [ 2215.642973][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.642973][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.642973][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.642973][ T74] netlink_unicast+0x449/0x710 [ 2215.642973][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.642973][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.642973][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.642973][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.642973][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.642973][ T74] [ 2215.644949][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.644949][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2215.644949][ T74] ipv6_find_idev+0x102/0x170 [ 2215.644949][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.644949][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.644949][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.644949][ T74] netlink_unicast+0x449/0x710 [ 2215.644949][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.644949][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.644949][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.644949][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.644949][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.644949][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.644949][ T74] [ 2215.646495][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2215.646495][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2215.646495][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2215.646495][ T74] ipv6_find_idev+0x102/0x170 [ 2215.646495][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.646495][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.646495][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.646495][ T74] netlink_unicast+0x449/0x710 [ 2215.646495][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.646495][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.646495][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.646495][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.646495][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.646495][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.646495][ T74] [ 2215.648191][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2215.648430][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.648430][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.648430][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.648430][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.648430][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2215.648430][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2215.648430][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2215.648430][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2215.648430][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2215.648430][ T74] addrconf_dad_begin+0x310/0x670 [ 2215.648430][ T74] addrconf_dad_work+0x10b/0xab0 [ 2215.648430][ T74] process_one_work+0x84d/0x18a0 [ 2215.648430][ T74] worker_thread+0x587/0xd30 [ 2215.648430][ T74] kthread+0x28a/0x350 [ 2215.648430][ T74] ret_from_fork+0x31/0x70 [ 2215.648430][ T74] ret_from_fork_asm+0x1a/0x30 [ 2215.648430][ T74] [ 2215.650352][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.650352][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.650352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.650352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.650352][ T74] ip6_route_add+0x1c/0x140 [ 2215.650352][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2215.650352][ T74] inet6_addr_add+0x4f8/0xa40 [ 2215.650352][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.650352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.650352][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.650352][ T74] netlink_unicast+0x449/0x710 [ 2215.650352][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.650352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.650352][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.650352][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.650352][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.650352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.650352][ T74] [ 2215.652549][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.652549][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.652549][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.652549][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.652549][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2215.652549][ T74] ipv6_add_addr+0x411/0x2000 [ 2215.652549][ T74] inet6_addr_add+0x30e/0xa40 [ 2215.652549][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.652549][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.652549][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.652549][ T74] netlink_unicast+0x449/0x710 [ 2215.652549][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.652549][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.652549][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.652549][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.652549][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.652549][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.652549][ T74] [ 2215.654797][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.654797][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.654797][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.654797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.654797][ T74] ip6_route_add+0x1c/0x140 [ 2215.654797][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2215.654797][ T74] addrconf_add_dev+0xe2/0x170 [ 2215.654797][ T74] inet6_addr_add+0x12f/0xa40 [ 2215.654797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.654797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.654797][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.654797][ T74] netlink_unicast+0x449/0x710 [ 2215.654797][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.654797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.654797][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.654797][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.654797][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.654797][ T74] [ 2215.657022][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.657022][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2215.657022][ T74] ipv6_find_idev+0x102/0x170 [ 2215.657022][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.657022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.657022][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.657022][ T74] netlink_unicast+0x449/0x710 [ 2215.657022][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.657022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.657022][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.657022][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.657022][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.657022][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.657022][ T74] [ 2215.658751][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2215.658751][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2215.658751][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2215.658751][ T74] ipv6_find_idev+0x102/0x170 [ 2215.658751][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.658751][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.658751][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.658751][ T74] netlink_unicast+0x449/0x710 [ 2215.658751][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.658751][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.658751][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.658751][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.658751][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.658751][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.658751][ T74] [ 2215.660680][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2215.661358][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.661358][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.661358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.661358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.661358][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2215.661358][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2215.661358][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2215.661358][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2215.661358][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2215.661358][ T74] addrconf_dad_begin+0x310/0x670 [ 2215.661358][ T74] addrconf_dad_work+0x10b/0xab0 [ 2215.661358][ T74] process_one_work+0x84d/0x18a0 [ 2215.661358][ T74] worker_thread+0x587/0xd30 [ 2215.661358][ T74] kthread+0x28a/0x350 [ 2215.661358][ T74] ret_from_fork+0x31/0x70 [ 2215.661358][ T74] ret_from_fork_asm+0x1a/0x30 [ 2215.661358][ T74] [ 2215.663278][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.663278][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.663278][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.663278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.663278][ T74] ip6_route_add+0x1c/0x140 [ 2215.663278][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2215.663278][ T74] inet6_addr_add+0x4f8/0xa40 [ 2215.663278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.663278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.663278][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.663278][ T74] netlink_unicast+0x449/0x710 [ 2215.663278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.663278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.663278][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.663278][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.663278][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.663278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.663278][ T74] [ 2215.665401][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.665401][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.665401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.665401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.665401][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2215.665401][ T74] ipv6_add_addr+0x411/0x2000 [ 2215.665401][ T74] inet6_addr_add+0x30e/0xa40 [ 2215.665401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.665401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.665401][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.665401][ T74] netlink_unicast+0x449/0x710 [ 2215.665401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.665401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.665401][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.665401][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.665401][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.665401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.665401][ T74] [ 2215.667598][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.667598][ T74] netdev_get_by_index+0x5e/0x80 [ 2215.667598][ T74] fib6_nh_init+0x3d8/0x1580 [ 2215.667598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2215.667598][ T74] ip6_route_add+0x1c/0x140 [ 2215.667598][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2215.667598][ T74] addrconf_add_dev+0xe2/0x170 [ 2215.667598][ T74] inet6_addr_add+0x12f/0xa40 [ 2215.667598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2215.667598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.667598][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.667598][ T74] netlink_unicast+0x449/0x710 [ 2215.667598][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.667598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.667598][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.667598][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.667598][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.667598][ T74] [ 2215.669903][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.669903][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2215.669903][ T74] ipv6_find_idev+0x102/0x170 [ 2215.669903][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.669903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.669903][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.669903][ T74] netlink_unicast+0x449/0x710 [ 2215.669903][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.669903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.669903][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.669903][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.669903][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.669903][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.669903][ T74] [ 2215.671646][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2215.671646][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2215.671646][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2215.671646][ T74] ipv6_find_idev+0x102/0x170 [ 2215.671646][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2215.671646][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2215.671646][ T74] netlink_rcv_skb+0x130/0x360 [ 2215.671646][ T74] netlink_unicast+0x449/0x710 [ 2215.671646][ T74] netlink_sendmsg+0x723/0xbe0 [ 2215.671646][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2215.671646][ T74] ___sys_sendmsg+0xee/0x170 [ 2215.671646][ T74] __sys_sendmsg+0xcd/0x170 [ 2215.671646][ T74] do_syscall_64+0xc6/0x1e0 [ 2215.671646][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2215.671646][ T74] [ 2217.624924][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2217.625390][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2217.625390][T16070] dst_init+0x84/0x4a0 [ 2217.625390][T16070] dst_alloc+0x97/0x150 [ 2217.625390][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.625390][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.625390][T16070] ip6_pol_route+0x56f/0x840 [ 2217.625390][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2217.625390][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2217.625390][T16070] fib6_rule_lookup+0x182/0x630 [ 2217.625390][T16070] ip6_route_output_flags+0x259/0x480 [ 2217.625390][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2217.625390][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2217.625390][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2217.625390][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2217.625390][T16070] ip6_datagram_connect+0x2c/0x50 [ 2217.625390][T16070] __sys_connect+0x217/0x2a0 [ 2217.625390][T16070] __x64_sys_connect+0x72/0xb0 [ 2217.625390][T16070] [ 2217.627695][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2217.627695][T16070] dst_init+0x84/0x4a0 [ 2217.627695][T16070] dst_alloc+0x97/0x150 [ 2217.627695][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.627695][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.627695][T16070] ip6_pol_route+0x56f/0x840 [ 2217.627695][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2217.627695][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2217.627695][T16070] fib6_rule_lookup+0x182/0x630 [ 2217.627695][T16070] ip6_route_output_flags+0x259/0x480 [ 2217.627695][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2217.627695][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2217.627695][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2217.627695][T16070] __inet_stream_connect+0x272/0x9f0 [ 2217.627695][T16070] inet_stream_connect+0x57/0xa0 [ 2217.627695][T16070] __sys_connect+0x217/0x2a0 [ 2217.627695][T16070] __x64_sys_connect+0x72/0xb0 [ 2217.627695][T16070] [ 2217.629952][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.629952][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2217.629952][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2217.629952][T16070] fib6_nh_init+0xa22/0x1580 [ 2217.629952][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.629952][T16070] ip6_route_add+0x1c/0x140 [ 2217.629952][T16070] inet6_rtm_newroute+0x104/0x110 [ 2217.629952][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.629952][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.629952][T16070] netlink_unicast+0x449/0x710 [ 2217.629952][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.629952][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.629952][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.629952][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.629952][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.629952][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.629952][T16070] [ 2217.632079][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.632079][T16070] dst_init+0x84/0x4a0 [ 2217.632079][T16070] dst_alloc+0x97/0x150 [ 2217.632079][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.632079][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.632079][T16070] ip6_pol_route+0x56f/0x840 [ 2217.632079][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2217.632079][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2217.632079][T16070] fib6_rule_lookup+0x182/0x630 [ 2217.632079][T16070] ip6_route_input+0x59c/0xa50 [ 2217.632079][T16070] ipv6_rcv+0x397/0x810 [ 2217.632079][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2217.632079][T16070] process_backlog+0x101/0x620 [ 2217.632079][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2217.632079][T16070] net_rx_action+0x495/0xbe0 [ 2217.632079][T16070] __do_softirq+0x1b5/0x7f6 [ 2217.632079][T16070] [ 2217.634154][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.634154][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.634154][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.634154][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.634154][T16070] ip6_route_add+0x1c/0x140 [ 2217.634154][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2217.634154][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2217.634154][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2217.634154][T16070] addrconf_dad_begin+0x310/0x670 [ 2217.634154][T16070] addrconf_dad_work+0x10b/0xab0 [ 2217.634154][T16070] process_one_work+0x84d/0x18a0 [ 2217.634154][T16070] worker_thread+0x587/0xd30 [ 2217.634154][T16070] kthread+0x28a/0x350 [ 2217.634154][T16070] ret_from_fork+0x31/0x70 [ 2217.634154][T16070] ret_from_fork_asm+0x1a/0x30 [ 2217.634154][T16070] [ 2217.636159][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.636159][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.636159][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.636159][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.636159][T16070] ip6_route_add+0x1c/0x140 [ 2217.636159][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2217.636159][T16070] inet6_addr_add+0x4f8/0xa40 [ 2217.636159][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.636159][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.636159][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.636159][T16070] netlink_unicast+0x449/0x710 [ 2217.636159][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.636159][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.636159][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.636159][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.636159][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.636159][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.636159][T16070] [ 2217.638402][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.638402][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.638402][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.638402][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.638402][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2217.638402][T16070] ipv6_add_addr+0x411/0x2000 [ 2217.638402][T16070] inet6_addr_add+0x30e/0xa40 [ 2217.638402][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.638402][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.638402][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.638402][T16070] netlink_unicast+0x449/0x710 [ 2217.638402][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.638402][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.638402][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.638402][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.638402][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.638402][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.638402][T16070] [ 2217.640641][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.640641][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.640641][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.640641][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.640641][T16070] ip6_route_add+0x1c/0x140 [ 2217.640641][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.640641][T16070] addrconf_add_dev+0xe2/0x170 [ 2217.640641][T16070] inet6_addr_add+0x12f/0xa40 [ 2217.640641][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.640641][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.640641][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.640641][T16070] netlink_unicast+0x449/0x710 [ 2217.640641][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.640641][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.640641][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.640641][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.640641][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.640641][T16070] [ 2217.642852][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.642852][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2217.642852][T16070] ipv6_find_idev+0x102/0x170 [ 2217.642852][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.642852][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.642852][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.642852][T16070] netlink_unicast+0x449/0x710 [ 2217.642852][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.642852][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.642852][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.642852][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.642852][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.642852][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.642852][T16070] [ 2217.644579][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2217.644579][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2217.644579][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2217.644579][T16070] ipv6_find_idev+0x102/0x170 [ 2217.644579][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.644579][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.644579][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.644579][T16070] netlink_unicast+0x449/0x710 [ 2217.644579][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.644579][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.644579][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.644579][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.644579][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.644579][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.644579][T16070] [ 2217.646491][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2217.646798][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2217.646798][T16070] dst_init+0x84/0x4a0 [ 2217.646798][T16070] dst_alloc+0x97/0x150 [ 2217.646798][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.646798][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.646798][T16070] ip6_pol_route+0x56f/0x840 [ 2217.646798][T16070] fib6_rule_lookup+0x334/0x630 [ 2217.646798][T16070] ip6_route_output_flags+0x259/0x480 [ 2217.646798][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2217.646798][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2217.646798][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2217.646798][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2217.646798][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2217.646798][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.646798][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.646798][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.646798][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.646798][T16070] [ 2217.649056][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.649056][T16070] dst_init+0x84/0x4a0 [ 2217.649056][T16070] dst_alloc+0x97/0x150 [ 2217.649056][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.649056][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.649056][T16070] ip6_pol_route+0x56f/0x840 [ 2217.649056][T16070] fib6_rule_lookup+0x334/0x630 [ 2217.649056][T16070] ip6_route_output_flags+0x259/0x480 [ 2217.649056][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2217.649056][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2217.649056][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2217.649056][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2217.649056][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2217.649056][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2217.649056][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2217.649056][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2217.649056][T16070] ip6_input_finish+0x120/0x260 [ 2217.649056][T16070] [ 2217.651346][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.651346][T16070] dst_init+0x84/0x4a0 [ 2217.651346][T16070] dst_alloc+0x97/0x150 [ 2217.651346][T16070] ip6_dst_alloc+0x23/0x90 [ 2217.651346][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2217.651346][T16070] ip6_pol_route+0x56f/0x840 [ 2217.651346][T16070] fib6_rule_lookup+0x456/0x630 [ 2217.651346][T16070] ip6_route_input+0x59c/0xa50 [ 2217.651346][T16070] ipv6_rcv+0x397/0x810 [ 2217.651346][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2217.651346][T16070] process_backlog+0x101/0x620 [ 2217.651346][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2217.651346][T16070] net_rx_action+0x495/0xbe0 [ 2217.651346][T16070] __do_softirq+0x1b5/0x7f6 [ 2217.651346][T16070] [ 2217.653194][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.653194][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.653194][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.653194][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.653194][T16070] ip6_route_add+0x1c/0x140 [ 2217.653194][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2217.653194][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2217.653194][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2217.653194][T16070] addrconf_dad_begin+0x310/0x670 [ 2217.653194][T16070] addrconf_dad_work+0x10b/0xab0 [ 2217.653194][T16070] process_one_work+0x84d/0x18a0 [ 2217.653194][T16070] worker_thread+0x587/0xd30 [ 2217.653194][T16070] kthread+0x28a/0x350 [ 2217.653194][T16070] ret_from_fork+0x31/0x70 [ 2217.653194][T16070] ret_from_fork_asm+0x1a/0x30 [ 2217.653194][T16070] [ 2217.655439][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.655439][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.655439][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.655439][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.655439][T16070] ip6_route_add+0x1c/0x140 [ 2217.655439][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2217.655439][T16070] inet6_addr_add+0x4f8/0xa40 [ 2217.655439][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.655439][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.655439][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.655439][T16070] netlink_unicast+0x449/0x710 [ 2217.655439][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.655439][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.655439][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.655439][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.655439][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.655439][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.655439][T16070] [ 2217.658074][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.658074][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.658074][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.658074][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.658074][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2217.658074][T16070] ipv6_add_addr+0x411/0x2000 [ 2217.658074][T16070] inet6_addr_add+0x30e/0xa40 [ 2217.658074][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.658074][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.658074][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.658074][T16070] netlink_unicast+0x449/0x710 [ 2217.658074][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.658074][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.658074][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.658074][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.658074][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.658074][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.658074][T16070] [ 2217.660633][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.660633][T16070] netdev_get_by_index+0x5e/0x80 [ 2217.660633][T16070] fib6_nh_init+0x3d8/0x1580 [ 2217.660633][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2217.660633][T16070] ip6_route_add+0x1c/0x140 [ 2217.660633][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2217.660633][T16070] addrconf_add_dev+0xe2/0x170 [ 2217.660633][T16070] inet6_addr_add+0x12f/0xa40 [ 2217.660633][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2217.660633][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.660633][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.660633][T16070] netlink_unicast+0x449/0x710 [ 2217.660633][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.660633][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.660633][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.660633][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.660633][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.660633][T16070] [ 2217.663099][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.663099][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2217.663099][T16070] ipv6_find_idev+0x102/0x170 [ 2217.663099][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.663099][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.663099][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.663099][T16070] netlink_unicast+0x449/0x710 [ 2217.663099][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.663099][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.663099][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.663099][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.663099][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.663099][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.663099][T16070] [ 2217.664991][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2217.664991][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2217.664991][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2217.664991][T16070] ipv6_find_idev+0x102/0x170 [ 2217.664991][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2217.664991][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2217.664991][T16070] netlink_rcv_skb+0x130/0x360 [ 2217.664991][T16070] netlink_unicast+0x449/0x710 [ 2217.664991][T16070] netlink_sendmsg+0x723/0xbe0 [ 2217.664991][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2217.664991][T16070] ___sys_sendmsg+0xee/0x170 [ 2217.664991][T16070] __sys_sendmsg+0xcd/0x170 [ 2217.664991][T16070] do_syscall_64+0xc6/0x1e0 [ 2217.664991][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2217.664991][T16070] [ 2225.912947][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2225.913305][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.913305][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.913305][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.913305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.913305][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2225.913305][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2225.913305][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2225.913305][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2225.913305][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2225.913305][ T74] addrconf_dad_begin+0x310/0x670 [ 2225.913305][ T74] addrconf_dad_work+0x10b/0xab0 [ 2225.913305][ T74] process_one_work+0x84d/0x18a0 [ 2225.913305][ T74] worker_thread+0x587/0xd30 [ 2225.913305][ T74] kthread+0x28a/0x350 [ 2225.913305][ T74] ret_from_fork+0x31/0x70 [ 2225.913305][ T74] ret_from_fork_asm+0x1a/0x30 [ 2225.913305][ T74] [ 2225.915444][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.915444][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.915444][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.915444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.915444][ T74] ip6_route_add+0x1c/0x140 [ 2225.915444][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2225.915444][ T74] inet6_addr_add+0x4f8/0xa40 [ 2225.915444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.915444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.915444][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.915444][ T74] netlink_unicast+0x449/0x710 [ 2225.915444][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.915444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.915444][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.915444][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.915444][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.915444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.915444][ T74] [ 2225.917563][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.917563][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.917563][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.917563][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.917563][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2225.917563][ T74] ipv6_add_addr+0x411/0x2000 [ 2225.917563][ T74] inet6_addr_add+0x30e/0xa40 [ 2225.917563][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.917563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.917563][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.917563][ T74] netlink_unicast+0x449/0x710 [ 2225.917563][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.917563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.917563][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.917563][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.917563][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.917563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.917563][ T74] [ 2225.919672][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.919672][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.919672][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.919672][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.919672][ T74] ip6_route_add+0x1c/0x140 [ 2225.919672][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2225.919672][ T74] addrconf_add_dev+0xe2/0x170 [ 2225.919672][ T74] inet6_addr_add+0x12f/0xa40 [ 2225.919672][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.919672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.919672][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.919672][ T74] netlink_unicast+0x449/0x710 [ 2225.919672][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.919672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.919672][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.919672][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.919672][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.919672][ T74] [ 2225.921778][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.921778][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2225.921778][ T74] ipv6_find_idev+0x102/0x170 [ 2225.921778][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.921778][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.921778][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.921778][ T74] netlink_unicast+0x449/0x710 [ 2225.921778][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.921778][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.921778][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.921778][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.921778][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.921778][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.921778][ T74] [ 2225.923406][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2225.923406][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2225.923406][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2225.923406][ T74] ipv6_find_idev+0x102/0x170 [ 2225.923406][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.923406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.923406][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.923406][ T74] netlink_unicast+0x449/0x710 [ 2225.923406][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.923406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.923406][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.923406][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.923406][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.923406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.923406][ T74] [ 2225.925215][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2225.925469][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.925469][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.925469][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.925469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.925469][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2225.925469][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2225.925469][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2225.925469][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2225.925469][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2225.925469][ T74] addrconf_dad_begin+0x310/0x670 [ 2225.925469][ T74] addrconf_dad_work+0x10b/0xab0 [ 2225.925469][ T74] process_one_work+0x84d/0x18a0 [ 2225.925469][ T74] worker_thread+0x587/0xd30 [ 2225.925469][ T74] kthread+0x28a/0x350 [ 2225.925469][ T74] ret_from_fork+0x31/0x70 [ 2225.925469][ T74] ret_from_fork_asm+0x1a/0x30 [ 2225.925469][ T74] [ 2225.927505][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.927505][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.927505][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.927505][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.927505][ T74] ip6_route_add+0x1c/0x140 [ 2225.927505][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2225.927505][ T74] inet6_addr_add+0x4f8/0xa40 [ 2225.927505][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.927505][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.927505][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.927505][ T74] netlink_unicast+0x449/0x710 [ 2225.927505][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.927505][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.927505][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.927505][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.927505][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.927505][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.927505][ T74] [ 2225.929642][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.929642][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.929642][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.929642][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.929642][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2225.929642][ T74] ipv6_add_addr+0x411/0x2000 [ 2225.929642][ T74] inet6_addr_add+0x30e/0xa40 [ 2225.929642][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.929642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.929642][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.929642][ T74] netlink_unicast+0x449/0x710 [ 2225.929642][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.929642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.929642][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.929642][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.929642][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.929642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.929642][ T74] [ 2225.931752][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.931752][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.931752][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.931752][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.931752][ T74] ip6_route_add+0x1c/0x140 [ 2225.931752][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2225.931752][ T74] addrconf_add_dev+0xe2/0x170 [ 2225.931752][ T74] inet6_addr_add+0x12f/0xa40 [ 2225.931752][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.931752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.931752][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.931752][ T74] netlink_unicast+0x449/0x710 [ 2225.931752][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.931752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.931752][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.931752][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.931752][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.931752][ T74] [ 2225.933838][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.933838][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2225.933838][ T74] ipv6_find_idev+0x102/0x170 [ 2225.933838][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.933838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.933838][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.933838][ T74] netlink_unicast+0x449/0x710 [ 2225.933838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.933838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.933838][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.933838][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.933838][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.933838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.933838][ T74] [ 2225.935469][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2225.935469][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2225.935469][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2225.935469][ T74] ipv6_find_idev+0x102/0x170 [ 2225.935469][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.935469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.935469][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.935469][ T74] netlink_unicast+0x449/0x710 [ 2225.935469][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.935469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.935469][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.935469][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.935469][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.935469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.935469][ T74] [ 2225.937237][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2225.937494][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.937494][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.937494][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.937494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.937494][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2225.937494][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2225.937494][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2225.937494][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2225.937494][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2225.937494][ T74] addrconf_dad_begin+0x310/0x670 [ 2225.937494][ T74] addrconf_dad_work+0x10b/0xab0 [ 2225.937494][ T74] process_one_work+0x84d/0x18a0 [ 2225.937494][ T74] worker_thread+0x587/0xd30 [ 2225.937494][ T74] kthread+0x28a/0x350 [ 2225.937494][ T74] ret_from_fork+0x31/0x70 [ 2225.937494][ T74] ret_from_fork_asm+0x1a/0x30 [ 2225.937494][ T74] [ 2225.939516][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.939516][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.939516][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.939516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.939516][ T74] ip6_route_add+0x1c/0x140 [ 2225.939516][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2225.939516][ T74] inet6_addr_add+0x4f8/0xa40 [ 2225.939516][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.939516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.939516][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.939516][ T74] netlink_unicast+0x449/0x710 [ 2225.939516][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.939516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.939516][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.939516][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.939516][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.939516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.939516][ T74] [ 2225.941828][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.941828][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.941828][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.941828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.941828][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2225.941828][ T74] ipv6_add_addr+0x411/0x2000 [ 2225.941828][ T74] inet6_addr_add+0x30e/0xa40 [ 2225.941828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.941828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.941828][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.941828][ T74] netlink_unicast+0x449/0x710 [ 2225.941828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.941828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.941828][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.941828][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.941828][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.941828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.941828][ T74] [ 2225.944179][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.944179][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.944179][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.944179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.944179][ T74] ip6_route_add+0x1c/0x140 [ 2225.944179][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2225.944179][ T74] addrconf_add_dev+0xe2/0x170 [ 2225.944179][ T74] inet6_addr_add+0x12f/0xa40 [ 2225.944179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.944179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.944179][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.944179][ T74] netlink_unicast+0x449/0x710 [ 2225.944179][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.944179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.944179][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.944179][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.944179][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.944179][ T74] [ 2225.946492][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.946492][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2225.946492][ T74] ipv6_find_idev+0x102/0x170 [ 2225.946492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.946492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.946492][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.946492][ T74] netlink_unicast+0x449/0x710 [ 2225.946492][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.946492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.946492][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.946492][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.946492][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.946492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.946492][ T74] [ 2225.948297][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2225.948297][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2225.948297][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2225.948297][ T74] ipv6_find_idev+0x102/0x170 [ 2225.948297][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.948297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.948297][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.948297][ T74] netlink_unicast+0x449/0x710 [ 2225.948297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.948297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.948297][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.948297][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.948297][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.948297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.948297][ T74] [ 2225.950309][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2225.950558][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.950558][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.950558][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.950558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.950558][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2225.950558][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2225.950558][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2225.950558][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2225.950558][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2225.950558][ T74] addrconf_dad_begin+0x310/0x670 [ 2225.950558][ T74] addrconf_dad_work+0x10b/0xab0 [ 2225.950558][ T74] process_one_work+0x84d/0x18a0 [ 2225.950558][ T74] worker_thread+0x587/0xd30 [ 2225.950558][ T74] kthread+0x28a/0x350 [ 2225.950558][ T74] ret_from_fork+0x31/0x70 [ 2225.950558][ T74] ret_from_fork_asm+0x1a/0x30 [ 2225.950558][ T74] [ 2225.952827][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.952827][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.952827][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.952827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.952827][ T74] ip6_route_add+0x1c/0x140 [ 2225.952827][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2225.952827][ T74] inet6_addr_add+0x4f8/0xa40 [ 2225.952827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.952827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.952827][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.952827][ T74] netlink_unicast+0x449/0x710 [ 2225.952827][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.952827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.952827][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.952827][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.952827][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.952827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.952827][ T74] [ 2225.955122][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.955122][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.955122][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.955122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.955122][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2225.955122][ T74] ipv6_add_addr+0x411/0x2000 [ 2225.955122][ T74] inet6_addr_add+0x30e/0xa40 [ 2225.955122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.955122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.955122][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.955122][ T74] netlink_unicast+0x449/0x710 [ 2225.955122][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.955122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.955122][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.955122][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.955122][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.955122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.955122][ T74] [ 2225.957553][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.957553][ T74] netdev_get_by_index+0x5e/0x80 [ 2225.957553][ T74] fib6_nh_init+0x3d8/0x1580 [ 2225.957553][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2225.957553][ T74] ip6_route_add+0x1c/0x140 [ 2225.957553][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2225.957553][ T74] addrconf_add_dev+0xe2/0x170 [ 2225.957553][ T74] inet6_addr_add+0x12f/0xa40 [ 2225.957553][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2225.957553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.957553][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.957553][ T74] netlink_unicast+0x449/0x710 [ 2225.957553][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.957553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.957553][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.957553][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.957553][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.957553][ T74] [ 2225.959880][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.959880][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2225.959880][ T74] ipv6_find_idev+0x102/0x170 [ 2225.959880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.959880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.959880][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.959880][ T74] netlink_unicast+0x449/0x710 [ 2225.959880][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.959880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.959880][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.959880][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.959880][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.959880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.959880][ T74] [ 2225.962207][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2225.962207][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2225.962207][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2225.962207][ T74] ipv6_find_idev+0x102/0x170 [ 2225.962207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2225.962207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2225.962207][ T74] netlink_rcv_skb+0x130/0x360 [ 2225.962207][ T74] netlink_unicast+0x449/0x710 [ 2225.962207][ T74] netlink_sendmsg+0x723/0xbe0 [ 2225.962207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2225.962207][ T74] ___sys_sendmsg+0xee/0x170 [ 2225.962207][ T74] __sys_sendmsg+0xcd/0x170 [ 2225.962207][ T74] do_syscall_64+0xc6/0x1e0 [ 2225.962207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2225.962207][ T74] [ 2227.904924][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2227.905449][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2227.905449][T16070] dst_init+0x84/0x4a0 [ 2227.905449][T16070] dst_alloc+0x97/0x150 [ 2227.905449][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.905449][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.905449][T16070] ip6_pol_route+0x56f/0x840 [ 2227.905449][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2227.905449][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2227.905449][T16070] fib6_rule_lookup+0x182/0x630 [ 2227.905449][T16070] ip6_route_output_flags+0x259/0x480 [ 2227.905449][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2227.905449][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2227.905449][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2227.905449][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2227.905449][T16070] ip6_datagram_connect+0x2c/0x50 [ 2227.905449][T16070] __sys_connect+0x217/0x2a0 [ 2227.905449][T16070] __x64_sys_connect+0x72/0xb0 [ 2227.905449][T16070] [ 2227.907868][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2227.907868][T16070] dst_init+0x84/0x4a0 [ 2227.907868][T16070] dst_alloc+0x97/0x150 [ 2227.907868][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.907868][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.907868][T16070] ip6_pol_route+0x56f/0x840 [ 2227.907868][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2227.907868][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2227.907868][T16070] fib6_rule_lookup+0x182/0x630 [ 2227.907868][T16070] ip6_route_output_flags+0x259/0x480 [ 2227.907868][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2227.907868][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2227.907868][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2227.907868][T16070] __inet_stream_connect+0x272/0x9f0 [ 2227.907868][T16070] inet_stream_connect+0x57/0xa0 [ 2227.907868][T16070] __sys_connect+0x217/0x2a0 [ 2227.907868][T16070] __x64_sys_connect+0x72/0xb0 [ 2227.907868][T16070] [ 2227.910242][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.910242][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2227.910242][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2227.910242][T16070] fib6_nh_init+0xa22/0x1580 [ 2227.910242][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.910242][T16070] ip6_route_add+0x1c/0x140 [ 2227.910242][T16070] inet6_rtm_newroute+0x104/0x110 [ 2227.910242][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.910242][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.910242][T16070] netlink_unicast+0x449/0x710 [ 2227.910242][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.910242][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.910242][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.910242][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.910242][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.910242][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.910242][T16070] [ 2227.912469][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.912469][T16070] dst_init+0x84/0x4a0 [ 2227.912469][T16070] dst_alloc+0x97/0x150 [ 2227.912469][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.912469][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.912469][T16070] ip6_pol_route+0x56f/0x840 [ 2227.912469][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2227.912469][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2227.912469][T16070] fib6_rule_lookup+0x182/0x630 [ 2227.912469][T16070] ip6_route_input+0x59c/0xa50 [ 2227.912469][T16070] ipv6_rcv+0x397/0x810 [ 2227.912469][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2227.912469][T16070] process_backlog+0x101/0x620 [ 2227.912469][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2227.912469][T16070] net_rx_action+0x495/0xbe0 [ 2227.912469][T16070] __do_softirq+0x1b5/0x7f6 [ 2227.912469][T16070] [ 2227.914638][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.914638][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.914638][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.914638][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.914638][T16070] ip6_route_add+0x1c/0x140 [ 2227.914638][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2227.914638][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2227.914638][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2227.914638][T16070] addrconf_dad_begin+0x310/0x670 [ 2227.914638][T16070] addrconf_dad_work+0x10b/0xab0 [ 2227.914638][T16070] process_one_work+0x84d/0x18a0 [ 2227.914638][T16070] worker_thread+0x587/0xd30 [ 2227.914638][T16070] kthread+0x28a/0x350 [ 2227.914638][T16070] ret_from_fork+0x31/0x70 [ 2227.914638][T16070] ret_from_fork_asm+0x1a/0x30 [ 2227.914638][T16070] [ 2227.916748][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.916748][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.916748][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.916748][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.916748][T16070] ip6_route_add+0x1c/0x140 [ 2227.916748][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2227.916748][T16070] inet6_addr_add+0x4f8/0xa40 [ 2227.916748][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.916748][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.916748][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.916748][T16070] netlink_unicast+0x449/0x710 [ 2227.916748][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.916748][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.916748][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.916748][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.916748][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.916748][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.916748][T16070] [ 2227.919103][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.919103][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.919103][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.919103][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.919103][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2227.919103][T16070] ipv6_add_addr+0x411/0x2000 [ 2227.919103][T16070] inet6_addr_add+0x30e/0xa40 [ 2227.919103][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.919103][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.919103][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.919103][T16070] netlink_unicast+0x449/0x710 [ 2227.919103][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.919103][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.919103][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.919103][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.919103][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.919103][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.919103][T16070] [ 2227.921466][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.921466][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.921466][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.921466][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.921466][T16070] ip6_route_add+0x1c/0x140 [ 2227.921466][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.921466][T16070] addrconf_add_dev+0xe2/0x170 [ 2227.921466][T16070] inet6_addr_add+0x12f/0xa40 [ 2227.921466][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.921466][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.921466][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.921466][T16070] netlink_unicast+0x449/0x710 [ 2227.921466][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.921466][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.921466][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.921466][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.921466][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.921466][T16070] [ 2227.923791][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.923791][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2227.923791][T16070] ipv6_find_idev+0x102/0x170 [ 2227.923791][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.923791][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.923791][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.923791][T16070] netlink_unicast+0x449/0x710 [ 2227.923791][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.923791][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.923791][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.923791][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.923791][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.923791][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.923791][T16070] [ 2227.925608][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2227.925608][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2227.925608][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2227.925608][T16070] ipv6_find_idev+0x102/0x170 [ 2227.925608][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.925608][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.925608][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.925608][T16070] netlink_unicast+0x449/0x710 [ 2227.925608][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.925608][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.925608][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.925608][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.925608][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.925608][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.925608][T16070] [ 2227.927626][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2227.927957][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2227.927957][T16070] dst_init+0x84/0x4a0 [ 2227.927957][T16070] dst_alloc+0x97/0x150 [ 2227.927957][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.927957][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.927957][T16070] ip6_pol_route+0x56f/0x840 [ 2227.927957][T16070] fib6_rule_lookup+0x334/0x630 [ 2227.927957][T16070] ip6_route_output_flags+0x259/0x480 [ 2227.927957][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2227.927957][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2227.927957][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2227.927957][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2227.927957][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2227.927957][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.927957][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.927957][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.927957][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.927957][T16070] [ 2227.930337][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.930337][T16070] dst_init+0x84/0x4a0 [ 2227.930337][T16070] dst_alloc+0x97/0x150 [ 2227.930337][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.930337][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.930337][T16070] ip6_pol_route+0x56f/0x840 [ 2227.930337][T16070] fib6_rule_lookup+0x334/0x630 [ 2227.930337][T16070] ip6_route_output_flags+0x259/0x480 [ 2227.930337][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2227.930337][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2227.930337][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2227.930337][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2227.930337][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2227.930337][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2227.930337][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2227.930337][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2227.930337][T16070] ip6_input_finish+0x120/0x260 [ 2227.930337][T16070] [ 2227.932734][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.932734][T16070] dst_init+0x84/0x4a0 [ 2227.932734][T16070] dst_alloc+0x97/0x150 [ 2227.932734][T16070] ip6_dst_alloc+0x23/0x90 [ 2227.932734][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2227.932734][T16070] ip6_pol_route+0x56f/0x840 [ 2227.932734][T16070] fib6_rule_lookup+0x456/0x630 [ 2227.932734][T16070] ip6_route_input+0x59c/0xa50 [ 2227.932734][T16070] ipv6_rcv+0x397/0x810 [ 2227.932734][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2227.932734][T16070] process_backlog+0x101/0x620 [ 2227.932734][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2227.932734][T16070] net_rx_action+0x495/0xbe0 [ 2227.932734][T16070] __do_softirq+0x1b5/0x7f6 [ 2227.932734][T16070] [ 2227.934655][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.934655][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.934655][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.934655][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.934655][T16070] ip6_route_add+0x1c/0x140 [ 2227.934655][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2227.934655][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2227.934655][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2227.934655][T16070] addrconf_dad_begin+0x310/0x670 [ 2227.934655][T16070] addrconf_dad_work+0x10b/0xab0 [ 2227.934655][T16070] process_one_work+0x84d/0x18a0 [ 2227.934655][T16070] worker_thread+0x587/0xd30 [ 2227.934655][T16070] kthread+0x28a/0x350 [ 2227.934655][T16070] ret_from_fork+0x31/0x70 [ 2227.934655][T16070] ret_from_fork_asm+0x1a/0x30 [ 2227.934655][T16070] [ 2227.937001][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.937001][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.937001][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.937001][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.937001][T16070] ip6_route_add+0x1c/0x140 [ 2227.937001][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2227.937001][T16070] inet6_addr_add+0x4f8/0xa40 [ 2227.937001][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.937001][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.937001][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.937001][T16070] netlink_unicast+0x449/0x710 [ 2227.937001][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.937001][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.937001][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.937001][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.937001][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.937001][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.937001][T16070] [ 2227.939670][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.939670][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.939670][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.939670][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.939670][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2227.939670][T16070] ipv6_add_addr+0x411/0x2000 [ 2227.939670][T16070] inet6_addr_add+0x30e/0xa40 [ 2227.939670][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.939670][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.939670][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.939670][T16070] netlink_unicast+0x449/0x710 [ 2227.939670][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.939670][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.939670][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.939670][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.939670][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.939670][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.939670][T16070] [ 2227.942354][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.942354][T16070] netdev_get_by_index+0x5e/0x80 [ 2227.942354][T16070] fib6_nh_init+0x3d8/0x1580 [ 2227.942354][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2227.942354][T16070] ip6_route_add+0x1c/0x140 [ 2227.942354][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2227.942354][T16070] addrconf_add_dev+0xe2/0x170 [ 2227.942354][T16070] inet6_addr_add+0x12f/0xa40 [ 2227.942354][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2227.942354][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.942354][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.942354][T16070] netlink_unicast+0x449/0x710 [ 2227.942354][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.942354][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.942354][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.942354][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.942354][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.942354][T16070] [ 2227.944972][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.944972][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2227.944972][T16070] ipv6_find_idev+0x102/0x170 [ 2227.944972][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.944972][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.944972][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.944972][T16070] netlink_unicast+0x449/0x710 [ 2227.944972][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.944972][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.944972][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.944972][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.944972][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.944972][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.944972][T16070] [ 2227.947009][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2227.947009][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2227.947009][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2227.947009][T16070] ipv6_find_idev+0x102/0x170 [ 2227.947009][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2227.947009][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2227.947009][T16070] netlink_rcv_skb+0x130/0x360 [ 2227.947009][T16070] netlink_unicast+0x449/0x710 [ 2227.947009][T16070] netlink_sendmsg+0x723/0xbe0 [ 2227.947009][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2227.947009][T16070] ___sys_sendmsg+0xee/0x170 [ 2227.947009][T16070] __sys_sendmsg+0xcd/0x170 [ 2227.947009][T16070] do_syscall_64+0xc6/0x1e0 [ 2227.947009][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2227.947009][T16070] [ 2236.200942][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2236.201422][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.201422][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.201422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.201422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.201422][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2236.201422][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2236.201422][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2236.201422][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2236.201422][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2236.201422][ T74] addrconf_dad_begin+0x310/0x670 [ 2236.201422][ T74] addrconf_dad_work+0x10b/0xab0 [ 2236.201422][ T74] process_one_work+0x84d/0x18a0 [ 2236.201422][ T74] worker_thread+0x587/0xd30 [ 2236.201422][ T74] kthread+0x28a/0x350 [ 2236.201422][ T74] ret_from_fork+0x31/0x70 [ 2236.201422][ T74] ret_from_fork_asm+0x1a/0x30 [ 2236.201422][ T74] [ 2236.203685][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.203685][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.203685][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.203685][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.203685][ T74] ip6_route_add+0x1c/0x140 [ 2236.203685][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2236.203685][ T74] inet6_addr_add+0x4f8/0xa40 [ 2236.203685][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.203685][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.203685][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.203685][ T74] netlink_unicast+0x449/0x710 [ 2236.203685][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.203685][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.203685][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.203685][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.203685][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.203685][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.203685][ T74] [ 2236.206049][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.206049][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.206049][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.206049][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.206049][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2236.206049][ T74] ipv6_add_addr+0x411/0x2000 [ 2236.206049][ T74] inet6_addr_add+0x30e/0xa40 [ 2236.206049][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.206049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.206049][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.206049][ T74] netlink_unicast+0x449/0x710 [ 2236.206049][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.206049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.206049][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.206049][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.206049][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.206049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.206049][ T74] [ 2236.208392][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.208392][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.208392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.208392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.208392][ T74] ip6_route_add+0x1c/0x140 [ 2236.208392][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.208392][ T74] addrconf_add_dev+0xe2/0x170 [ 2236.208392][ T74] inet6_addr_add+0x12f/0xa40 [ 2236.208392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.208392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.208392][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.208392][ T74] netlink_unicast+0x449/0x710 [ 2236.208392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.208392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.208392][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.208392][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.208392][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.208392][ T74] [ 2236.210695][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.210695][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2236.210695][ T74] ipv6_find_idev+0x102/0x170 [ 2236.210695][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.210695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.210695][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.210695][ T74] netlink_unicast+0x449/0x710 [ 2236.210695][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.210695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.210695][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.210695][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.210695][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.210695][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.210695][ T74] [ 2236.212509][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2236.212509][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2236.212509][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2236.212509][ T74] ipv6_find_idev+0x102/0x170 [ 2236.212509][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.212509][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.212509][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.212509][ T74] netlink_unicast+0x449/0x710 [ 2236.212509][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.212509][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.212509][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.212509][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.212509][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.212509][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.212509][ T74] [ 2236.214482][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2236.214754][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.214754][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.214754][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.214754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.214754][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2236.214754][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2236.214754][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2236.214754][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2236.214754][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2236.214754][ T74] addrconf_dad_begin+0x310/0x670 [ 2236.214754][ T74] addrconf_dad_work+0x10b/0xab0 [ 2236.214754][ T74] process_one_work+0x84d/0x18a0 [ 2236.214754][ T74] worker_thread+0x587/0xd30 [ 2236.214754][ T74] kthread+0x28a/0x350 [ 2236.214754][ T74] ret_from_fork+0x31/0x70 [ 2236.214754][ T74] ret_from_fork_asm+0x1a/0x30 [ 2236.214754][ T74] [ 2236.217003][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.217003][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.217003][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.217003][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.217003][ T74] ip6_route_add+0x1c/0x140 [ 2236.217003][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2236.217003][ T74] inet6_addr_add+0x4f8/0xa40 [ 2236.217003][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.217003][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.217003][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.217003][ T74] netlink_unicast+0x449/0x710 [ 2236.217003][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.217003][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.217003][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.217003][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.217003][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.217003][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.217003][ T74] [ 2236.219341][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.219341][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.219341][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.219341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.219341][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2236.219341][ T74] ipv6_add_addr+0x411/0x2000 [ 2236.219341][ T74] inet6_addr_add+0x30e/0xa40 [ 2236.219341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.219341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.219341][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.219341][ T74] netlink_unicast+0x449/0x710 [ 2236.219341][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.219341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.219341][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.219341][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.219341][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.219341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.219341][ T74] [ 2236.221708][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.221708][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.221708][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.221708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.221708][ T74] ip6_route_add+0x1c/0x140 [ 2236.221708][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.221708][ T74] addrconf_add_dev+0xe2/0x170 [ 2236.221708][ T74] inet6_addr_add+0x12f/0xa40 [ 2236.221708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.221708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.221708][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.221708][ T74] netlink_unicast+0x449/0x710 [ 2236.221708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.221708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.221708][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.221708][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.221708][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.221708][ T74] [ 2236.224031][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.224031][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2236.224031][ T74] ipv6_find_idev+0x102/0x170 [ 2236.224031][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.224031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.224031][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.224031][ T74] netlink_unicast+0x449/0x710 [ 2236.224031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.224031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.224031][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.224031][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.224031][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.224031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.224031][ T74] [ 2236.225835][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2236.225835][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2236.225835][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2236.225835][ T74] ipv6_find_idev+0x102/0x170 [ 2236.225835][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.225835][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.225835][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.225835][ T74] netlink_unicast+0x449/0x710 [ 2236.225835][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.225835][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.225835][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.225835][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.225835][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.225835][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.225835][ T74] [ 2236.227827][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2236.228099][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.228099][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.228099][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.228099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.228099][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2236.228099][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2236.228099][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2236.228099][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2236.228099][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2236.228099][ T74] addrconf_dad_begin+0x310/0x670 [ 2236.228099][ T74] addrconf_dad_work+0x10b/0xab0 [ 2236.228099][ T74] process_one_work+0x84d/0x18a0 [ 2236.228099][ T74] worker_thread+0x587/0xd30 [ 2236.228099][ T74] kthread+0x28a/0x350 [ 2236.228099][ T74] ret_from_fork+0x31/0x70 [ 2236.228099][ T74] ret_from_fork_asm+0x1a/0x30 [ 2236.228099][ T74] [ 2236.230339][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.230339][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.230339][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.230339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.230339][ T74] ip6_route_add+0x1c/0x140 [ 2236.230339][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2236.230339][ T74] inet6_addr_add+0x4f8/0xa40 [ 2236.230339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.230339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.230339][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.230339][ T74] netlink_unicast+0x449/0x710 [ 2236.230339][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.230339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.230339][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.230339][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.230339][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.230339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.230339][ T74] [ 2236.232929][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.232929][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.232929][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.232929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.232929][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2236.232929][ T74] ipv6_add_addr+0x411/0x2000 [ 2236.232929][ T74] inet6_addr_add+0x30e/0xa40 [ 2236.232929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.232929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.232929][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.232929][ T74] netlink_unicast+0x449/0x710 [ 2236.232929][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.232929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.232929][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.232929][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.232929][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.232929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.232929][ T74] [ 2236.235479][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.235479][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.235479][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.235479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.235479][ T74] ip6_route_add+0x1c/0x140 [ 2236.235479][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.235479][ T74] addrconf_add_dev+0xe2/0x170 [ 2236.235479][ T74] inet6_addr_add+0x12f/0xa40 [ 2236.235479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.235479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.235479][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.235479][ T74] netlink_unicast+0x449/0x710 [ 2236.235479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.235479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.235479][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.235479][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.235479][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.235479][ T74] [ 2236.238005][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.238005][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2236.238005][ T74] ipv6_find_idev+0x102/0x170 [ 2236.238005][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.238005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.238005][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.238005][ T74] netlink_unicast+0x449/0x710 [ 2236.238005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.238005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.238005][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.238005][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.238005][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.238005][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.238005][ T74] [ 2236.240012][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2236.240012][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2236.240012][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2236.240012][ T74] ipv6_find_idev+0x102/0x170 [ 2236.240012][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.240012][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.240012][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.240012][ T74] netlink_unicast+0x449/0x710 [ 2236.240012][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.240012][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.240012][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.240012][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.240012][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.240012][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.240012][ T74] [ 2236.242186][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2236.242477][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.242477][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.242477][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.242477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.242477][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2236.242477][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2236.242477][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2236.242477][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2236.242477][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2236.242477][ T74] addrconf_dad_begin+0x310/0x670 [ 2236.242477][ T74] addrconf_dad_work+0x10b/0xab0 [ 2236.242477][ T74] process_one_work+0x84d/0x18a0 [ 2236.242477][ T74] worker_thread+0x587/0xd30 [ 2236.242477][ T74] kthread+0x28a/0x350 [ 2236.242477][ T74] ret_from_fork+0x31/0x70 [ 2236.242477][ T74] ret_from_fork_asm+0x1a/0x30 [ 2236.242477][ T74] [ 2236.244913][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.244913][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.244913][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.244913][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.244913][ T74] ip6_route_add+0x1c/0x140 [ 2236.244913][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2236.244913][ T74] inet6_addr_add+0x4f8/0xa40 [ 2236.244913][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.244913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.244913][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.244913][ T74] netlink_unicast+0x449/0x710 [ 2236.244913][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.244913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.244913][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.244913][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.244913][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.244913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.244913][ T74] [ 2236.247375][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.247375][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.247375][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.247375][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.247375][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2236.247375][ T74] ipv6_add_addr+0x411/0x2000 [ 2236.247375][ T74] inet6_addr_add+0x30e/0xa40 [ 2236.247375][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.247375][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.247375][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.247375][ T74] netlink_unicast+0x449/0x710 [ 2236.247375][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.247375][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.247375][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.247375][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.247375][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.247375][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.247375][ T74] [ 2236.249854][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.249854][ T74] netdev_get_by_index+0x5e/0x80 [ 2236.249854][ T74] fib6_nh_init+0x3d8/0x1580 [ 2236.249854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2236.249854][ T74] ip6_route_add+0x1c/0x140 [ 2236.249854][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2236.249854][ T74] addrconf_add_dev+0xe2/0x170 [ 2236.249854][ T74] inet6_addr_add+0x12f/0xa40 [ 2236.249854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2236.249854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.249854][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.249854][ T74] netlink_unicast+0x449/0x710 [ 2236.249854][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.249854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.249854][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.249854][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.249854][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.249854][ T74] [ 2236.252282][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.252282][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2236.252282][ T74] ipv6_find_idev+0x102/0x170 [ 2236.252282][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.252282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.252282][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.252282][ T74] netlink_unicast+0x449/0x710 [ 2236.252282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.252282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.252282][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.252282][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.252282][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.252282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.252282][ T74] [ 2236.254145][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2236.254145][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2236.254145][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2236.254145][ T74] ipv6_find_idev+0x102/0x170 [ 2236.254145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2236.254145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2236.254145][ T74] netlink_rcv_skb+0x130/0x360 [ 2236.254145][ T74] netlink_unicast+0x449/0x710 [ 2236.254145][ T74] netlink_sendmsg+0x723/0xbe0 [ 2236.254145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2236.254145][ T74] ___sys_sendmsg+0xee/0x170 [ 2236.254145][ T74] __sys_sendmsg+0xcd/0x170 [ 2236.254145][ T74] do_syscall_64+0xc6/0x1e0 [ 2236.254145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2236.254145][ T74] [ 2238.184865][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2238.185345][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2238.185345][T16070] dst_init+0x84/0x4a0 [ 2238.185345][T16070] dst_alloc+0x97/0x150 [ 2238.185345][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.185345][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.185345][T16070] ip6_pol_route+0x56f/0x840 [ 2238.185345][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2238.185345][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2238.185345][T16070] fib6_rule_lookup+0x182/0x630 [ 2238.185345][T16070] ip6_route_output_flags+0x259/0x480 [ 2238.185345][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2238.185345][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2238.185345][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2238.185345][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2238.185345][T16070] ip6_datagram_connect+0x2c/0x50 [ 2238.185345][T16070] __sys_connect+0x217/0x2a0 [ 2238.185345][T16070] __x64_sys_connect+0x72/0xb0 [ 2238.185345][T16070] [ 2238.187747][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2238.187747][T16070] dst_init+0x84/0x4a0 [ 2238.187747][T16070] dst_alloc+0x97/0x150 [ 2238.187747][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.187747][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.187747][T16070] ip6_pol_route+0x56f/0x840 [ 2238.187747][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2238.187747][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2238.187747][T16070] fib6_rule_lookup+0x182/0x630 [ 2238.187747][T16070] ip6_route_output_flags+0x259/0x480 [ 2238.187747][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2238.187747][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2238.187747][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2238.187747][T16070] __inet_stream_connect+0x272/0x9f0 [ 2238.187747][T16070] inet_stream_connect+0x57/0xa0 [ 2238.187747][T16070] __sys_connect+0x217/0x2a0 [ 2238.187747][T16070] __x64_sys_connect+0x72/0xb0 [ 2238.187747][T16070] [ 2238.190088][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.190088][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2238.190088][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2238.190088][T16070] fib6_nh_init+0xa22/0x1580 [ 2238.190088][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.190088][T16070] ip6_route_add+0x1c/0x140 [ 2238.190088][T16070] inet6_rtm_newroute+0x104/0x110 [ 2238.190088][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.190088][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.190088][T16070] netlink_unicast+0x449/0x710 [ 2238.190088][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.190088][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.190088][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.190088][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.190088][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.190088][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.190088][T16070] [ 2238.192305][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.192305][T16070] dst_init+0x84/0x4a0 [ 2238.192305][T16070] dst_alloc+0x97/0x150 [ 2238.192305][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.192305][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.192305][T16070] ip6_pol_route+0x56f/0x840 [ 2238.192305][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2238.192305][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2238.192305][T16070] fib6_rule_lookup+0x182/0x630 [ 2238.192305][T16070] ip6_route_input+0x59c/0xa50 [ 2238.192305][T16070] ipv6_rcv+0x397/0x810 [ 2238.192305][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2238.192305][T16070] process_backlog+0x101/0x620 [ 2238.192305][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2238.192305][T16070] net_rx_action+0x495/0xbe0 [ 2238.192305][T16070] __do_softirq+0x1b5/0x7f6 [ 2238.192305][T16070] [ 2238.194467][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.194467][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.194467][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.194467][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.194467][T16070] ip6_route_add+0x1c/0x140 [ 2238.194467][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2238.194467][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2238.194467][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2238.194467][T16070] addrconf_dad_begin+0x310/0x670 [ 2238.194467][T16070] addrconf_dad_work+0x10b/0xab0 [ 2238.194467][T16070] process_one_work+0x84d/0x18a0 [ 2238.194467][T16070] worker_thread+0x587/0xd30 [ 2238.194467][T16070] kthread+0x28a/0x350 [ 2238.194467][T16070] ret_from_fork+0x31/0x70 [ 2238.194467][T16070] ret_from_fork_asm+0x1a/0x30 [ 2238.194467][T16070] [ 2238.196561][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.196561][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.196561][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.196561][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.196561][T16070] ip6_route_add+0x1c/0x140 [ 2238.196561][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2238.196561][T16070] inet6_addr_add+0x4f8/0xa40 [ 2238.196561][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.196561][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.196561][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.196561][T16070] netlink_unicast+0x449/0x710 [ 2238.196561][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.196561][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.196561][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.196561][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.196561][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.196561][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.196561][T16070] [ 2238.198902][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.198902][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.198902][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.198902][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.198902][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2238.198902][T16070] ipv6_add_addr+0x411/0x2000 [ 2238.198902][T16070] inet6_addr_add+0x30e/0xa40 [ 2238.198902][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.198902][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.198902][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.198902][T16070] netlink_unicast+0x449/0x710 [ 2238.198902][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.198902][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.198902][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.198902][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.198902][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.198902][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.198902][T16070] [ 2238.201252][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.201252][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.201252][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.201252][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.201252][T16070] ip6_route_add+0x1c/0x140 [ 2238.201252][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2238.201252][T16070] addrconf_add_dev+0xe2/0x170 [ 2238.201252][T16070] inet6_addr_add+0x12f/0xa40 [ 2238.201252][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.201252][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.201252][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.201252][T16070] netlink_unicast+0x449/0x710 [ 2238.201252][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.201252][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.201252][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.201252][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.201252][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.201252][T16070] [ 2238.203558][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.203558][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2238.203558][T16070] ipv6_find_idev+0x102/0x170 [ 2238.203558][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2238.203558][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.203558][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.203558][T16070] netlink_unicast+0x449/0x710 [ 2238.203558][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.203558][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.203558][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.203558][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.203558][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.203558][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.203558][T16070] [ 2238.205359][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2238.205359][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2238.205359][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2238.205359][T16070] ipv6_find_idev+0x102/0x170 [ 2238.205359][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2238.205359][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.205359][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.205359][T16070] netlink_unicast+0x449/0x710 [ 2238.205359][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.205359][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.205359][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.205359][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.205359][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.205359][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.205359][T16070] [ 2238.207351][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2238.207673][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2238.207673][T16070] dst_init+0x84/0x4a0 [ 2238.207673][T16070] dst_alloc+0x97/0x150 [ 2238.207673][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.207673][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.207673][T16070] ip6_pol_route+0x56f/0x840 [ 2238.207673][T16070] fib6_rule_lookup+0x334/0x630 [ 2238.207673][T16070] ip6_route_output_flags+0x259/0x480 [ 2238.207673][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2238.207673][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2238.207673][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2238.207673][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2238.207673][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2238.207673][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.207673][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.207673][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.207673][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.207673][T16070] [ 2238.210017][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.210017][T16070] dst_init+0x84/0x4a0 [ 2238.210017][T16070] dst_alloc+0x97/0x150 [ 2238.210017][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.210017][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.210017][T16070] ip6_pol_route+0x56f/0x840 [ 2238.210017][T16070] fib6_rule_lookup+0x334/0x630 [ 2238.210017][T16070] ip6_route_output_flags+0x259/0x480 [ 2238.210017][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2238.210017][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2238.210017][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2238.210017][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2238.210017][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2238.210017][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2238.210017][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2238.210017][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2238.210017][T16070] ip6_input_finish+0x120/0x260 [ 2238.210017][T16070] [ 2238.212410][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.212410][T16070] dst_init+0x84/0x4a0 [ 2238.212410][T16070] dst_alloc+0x97/0x150 [ 2238.212410][T16070] ip6_dst_alloc+0x23/0x90 [ 2238.212410][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2238.212410][T16070] ip6_pol_route+0x56f/0x840 [ 2238.212410][T16070] fib6_rule_lookup+0x456/0x630 [ 2238.212410][T16070] ip6_route_input+0x59c/0xa50 [ 2238.212410][T16070] ipv6_rcv+0x397/0x810 [ 2238.212410][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2238.212410][T16070] process_backlog+0x101/0x620 [ 2238.212410][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2238.212410][T16070] net_rx_action+0x495/0xbe0 [ 2238.212410][T16070] __do_softirq+0x1b5/0x7f6 [ 2238.212410][T16070] [ 2238.214323][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.214323][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.214323][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.214323][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.214323][T16070] ip6_route_add+0x1c/0x140 [ 2238.214323][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2238.214323][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2238.214323][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2238.214323][T16070] addrconf_dad_begin+0x310/0x670 [ 2238.214323][T16070] addrconf_dad_work+0x10b/0xab0 [ 2238.214323][T16070] process_one_work+0x84d/0x18a0 [ 2238.214323][T16070] worker_thread+0x587/0xd30 [ 2238.214323][T16070] kthread+0x28a/0x350 [ 2238.214323][T16070] ret_from_fork+0x31/0x70 [ 2238.214323][T16070] ret_from_fork_asm+0x1a/0x30 [ 2238.214323][T16070] [ 2238.216651][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.216651][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.216651][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.216651][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.216651][T16070] ip6_route_add+0x1c/0x140 [ 2238.216651][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2238.216651][T16070] inet6_addr_add+0x4f8/0xa40 [ 2238.216651][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.216651][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.216651][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.216651][T16070] netlink_unicast+0x449/0x710 [ 2238.216651][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.216651][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.216651][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.216651][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.216651][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.216651][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.216651][T16070] [ 2238.219306][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.219306][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.219306][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.219306][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.219306][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2238.219306][T16070] ipv6_add_addr+0x411/0x2000 [ 2238.219306][T16070] inet6_addr_add+0x30e/0xa40 [ 2238.219306][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.219306][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.219306][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.219306][T16070] netlink_unicast+0x449/0x710 [ 2238.219306][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.219306][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.219306][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.219306][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.219306][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.219306][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.219306][T16070] [ 2238.221978][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.221978][T16070] netdev_get_by_index+0x5e/0x80 [ 2238.221978][T16070] fib6_nh_init+0x3d8/0x1580 [ 2238.221978][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2238.221978][T16070] ip6_route_add+0x1c/0x140 [ 2238.221978][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2238.221978][T16070] addrconf_add_dev+0xe2/0x170 [ 2238.221978][T16070] inet6_addr_add+0x12f/0xa40 [ 2238.221978][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2238.221978][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.221978][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.221978][T16070] netlink_unicast+0x449/0x710 [ 2238.221978][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.221978][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.221978][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.221978][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.221978][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.221978][T16070] [ 2238.224513][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.224513][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2238.224513][T16070] ipv6_find_idev+0x102/0x170 [ 2238.224513][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2238.224513][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.224513][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.224513][T16070] netlink_unicast+0x449/0x710 [ 2238.224513][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.224513][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.224513][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.224513][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.224513][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.224513][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.224513][T16070] [ 2238.226545][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2238.226545][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2238.226545][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2238.226545][T16070] ipv6_find_idev+0x102/0x170 [ 2238.226545][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2238.226545][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2238.226545][T16070] netlink_rcv_skb+0x130/0x360 [ 2238.226545][T16070] netlink_unicast+0x449/0x710 [ 2238.226545][T16070] netlink_sendmsg+0x723/0xbe0 [ 2238.226545][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2238.226545][T16070] ___sys_sendmsg+0xee/0x170 [ 2238.226545][T16070] __sys_sendmsg+0xcd/0x170 [ 2238.226545][T16070] do_syscall_64+0xc6/0x1e0 [ 2238.226545][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2238.226545][T16070] [ 2246.337043][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2246.337514][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.337514][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.337514][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.337514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.337514][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2246.337514][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2246.337514][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2246.337514][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2246.337514][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2246.337514][ T74] addrconf_dad_begin+0x310/0x670 [ 2246.337514][ T74] addrconf_dad_work+0x10b/0xab0 [ 2246.337514][ T74] process_one_work+0x84d/0x18a0 [ 2246.337514][ T74] worker_thread+0x587/0xd30 [ 2246.337514][ T74] kthread+0x28a/0x350 [ 2246.337514][ T74] ret_from_fork+0x31/0x70 [ 2246.337514][ T74] ret_from_fork_asm+0x1a/0x30 [ 2246.337514][ T74] [ 2246.339712][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.339712][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.339712][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.339712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.339712][ T74] ip6_route_add+0x1c/0x140 [ 2246.339712][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2246.339712][ T74] inet6_addr_add+0x4f8/0xa40 [ 2246.339712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.339712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.339712][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.339712][ T74] netlink_unicast+0x449/0x710 [ 2246.339712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.339712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.339712][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.339712][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.339712][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.339712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.339712][ T74] [ 2246.341992][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.341992][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.341992][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.341992][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.341992][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2246.341992][ T74] ipv6_add_addr+0x411/0x2000 [ 2246.341992][ T74] inet6_addr_add+0x30e/0xa40 [ 2246.341992][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.341992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.341992][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.341992][ T74] netlink_unicast+0x449/0x710 [ 2246.341992][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.341992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.341992][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.341992][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.341992][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.341992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.341992][ T74] [ 2246.344242][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.344242][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.344242][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.344242][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.344242][ T74] ip6_route_add+0x1c/0x140 [ 2246.344242][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2246.344242][ T74] addrconf_add_dev+0xe2/0x170 [ 2246.344242][ T74] inet6_addr_add+0x12f/0xa40 [ 2246.344242][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.344242][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.344242][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.344242][ T74] netlink_unicast+0x449/0x710 [ 2246.344242][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.344242][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.344242][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.344242][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.344242][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.344242][ T74] [ 2246.346452][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.346452][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2246.346452][ T74] ipv6_find_idev+0x102/0x170 [ 2246.346452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.346452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.346452][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.346452][ T74] netlink_unicast+0x449/0x710 [ 2246.346452][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.346452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.346452][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.346452][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.346452][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.346452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.346452][ T74] [ 2246.348339][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2246.348339][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2246.348339][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2246.348339][ T74] ipv6_find_idev+0x102/0x170 [ 2246.348339][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.348339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.348339][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.348339][ T74] netlink_unicast+0x449/0x710 [ 2246.348339][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.348339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.348339][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.348339][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.348339][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.348339][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.348339][ T74] [ 2246.350282][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2246.350545][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.350545][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.350545][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.350545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.350545][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2246.350545][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2246.350545][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2246.350545][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2246.350545][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2246.350545][ T74] addrconf_dad_begin+0x310/0x670 [ 2246.350545][ T74] addrconf_dad_work+0x10b/0xab0 [ 2246.350545][ T74] process_one_work+0x84d/0x18a0 [ 2246.350545][ T74] worker_thread+0x587/0xd30 [ 2246.350545][ T74] kthread+0x28a/0x350 [ 2246.350545][ T74] ret_from_fork+0x31/0x70 [ 2246.350545][ T74] ret_from_fork_asm+0x1a/0x30 [ 2246.350545][ T74] [ 2246.352703][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.352703][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.352703][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.352703][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.352703][ T74] ip6_route_add+0x1c/0x140 [ 2246.352703][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2246.352703][ T74] inet6_addr_add+0x4f8/0xa40 [ 2246.352703][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.352703][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.352703][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.352703][ T74] netlink_unicast+0x449/0x710 [ 2246.352703][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.352703][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.352703][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.352703][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.352703][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.352703][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.352703][ T74] [ 2246.354941][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.354941][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.354941][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.354941][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.354941][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2246.354941][ T74] ipv6_add_addr+0x411/0x2000 [ 2246.354941][ T74] inet6_addr_add+0x30e/0xa40 [ 2246.354941][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.354941][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.354941][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.354941][ T74] netlink_unicast+0x449/0x710 [ 2246.354941][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.354941][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.354941][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.354941][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.354941][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.354941][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.354941][ T74] [ 2246.357195][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.357195][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.357195][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.357195][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.357195][ T74] ip6_route_add+0x1c/0x140 [ 2246.357195][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2246.357195][ T74] addrconf_add_dev+0xe2/0x170 [ 2246.357195][ T74] inet6_addr_add+0x12f/0xa40 [ 2246.357195][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.357195][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.357195][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.357195][ T74] netlink_unicast+0x449/0x710 [ 2246.357195][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.357195][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.357195][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.357195][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.357195][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.357195][ T74] [ 2246.359383][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.359383][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2246.359383][ T74] ipv6_find_idev+0x102/0x170 [ 2246.359383][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.359383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.359383][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.359383][ T74] netlink_unicast+0x449/0x710 [ 2246.359383][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.359383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.359383][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.359383][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.359383][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.359383][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.359383][ T74] [ 2246.361120][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2246.361120][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2246.361120][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2246.361120][ T74] ipv6_find_idev+0x102/0x170 [ 2246.361120][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.361120][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.361120][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.361120][ T74] netlink_unicast+0x449/0x710 [ 2246.361120][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.361120][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.361120][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.361120][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.361120][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.361120][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.361120][ T74] [ 2246.363010][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2246.363283][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.363283][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.363283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.363283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.363283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2246.363283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2246.363283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2246.363283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2246.363283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2246.363283][ T74] addrconf_dad_begin+0x310/0x670 [ 2246.363283][ T74] addrconf_dad_work+0x10b/0xab0 [ 2246.363283][ T74] process_one_work+0x84d/0x18a0 [ 2246.363283][ T74] worker_thread+0x587/0xd30 [ 2246.363283][ T74] kthread+0x28a/0x350 [ 2246.363283][ T74] ret_from_fork+0x31/0x70 [ 2246.363283][ T74] ret_from_fork_asm+0x1a/0x30 [ 2246.363283][ T74] [ 2246.365426][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.365426][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.365426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.365426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.365426][ T74] ip6_route_add+0x1c/0x140 [ 2246.365426][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2246.365426][ T74] inet6_addr_add+0x4f8/0xa40 [ 2246.365426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.365426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.365426][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.365426][ T74] netlink_unicast+0x449/0x710 [ 2246.365426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.365426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.365426][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.365426][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.365426][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.365426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.365426][ T74] [ 2246.367841][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.367841][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.367841][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.367841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.367841][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2246.367841][ T74] ipv6_add_addr+0x411/0x2000 [ 2246.367841][ T74] inet6_addr_add+0x30e/0xa40 [ 2246.367841][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.367841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.367841][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.367841][ T74] netlink_unicast+0x449/0x710 [ 2246.367841][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.367841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.367841][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.367841][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.367841][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.367841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.367841][ T74] [ 2246.370370][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.370370][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.370370][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.370370][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.370370][ T74] ip6_route_add+0x1c/0x140 [ 2246.370370][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2246.370370][ T74] addrconf_add_dev+0xe2/0x170 [ 2246.370370][ T74] inet6_addr_add+0x12f/0xa40 [ 2246.370370][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.370370][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.370370][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.370370][ T74] netlink_unicast+0x449/0x710 [ 2246.370370][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.370370][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.370370][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.370370][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.370370][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.370370][ T74] [ 2246.372806][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.372806][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2246.372806][ T74] ipv6_find_idev+0x102/0x170 [ 2246.372806][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.372806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.372806][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.372806][ T74] netlink_unicast+0x449/0x710 [ 2246.372806][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.372806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.372806][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.372806][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.372806][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.372806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.372806][ T74] [ 2246.374665][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2246.374665][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2246.374665][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2246.374665][ T74] ipv6_find_idev+0x102/0x170 [ 2246.374665][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.374665][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.374665][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.374665][ T74] netlink_unicast+0x449/0x710 [ 2246.374665][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.374665][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.374665][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.374665][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.374665][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.374665][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.374665][ T74] [ 2246.376728][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2246.377060][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.377060][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.377060][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.377060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.377060][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2246.377060][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2246.377060][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2246.377060][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2246.377060][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2246.377060][ T74] addrconf_dad_begin+0x310/0x670 [ 2246.377060][ T74] addrconf_dad_work+0x10b/0xab0 [ 2246.377060][ T74] process_one_work+0x84d/0x18a0 [ 2246.377060][ T74] worker_thread+0x587/0xd30 [ 2246.377060][ T74] kthread+0x28a/0x350 [ 2246.377060][ T74] ret_from_fork+0x31/0x70 [ 2246.377060][ T74] ret_from_fork_asm+0x1a/0x30 [ 2246.377060][ T74] [ 2246.379384][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.379384][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.379384][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.379384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.379384][ T74] ip6_route_add+0x1c/0x140 [ 2246.379384][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2246.379384][ T74] inet6_addr_add+0x4f8/0xa40 [ 2246.379384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.379384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.379384][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.379384][ T74] netlink_unicast+0x449/0x710 [ 2246.379384][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.379384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.379384][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.379384][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.379384][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.379384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.379384][ T74] [ 2246.381931][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.381931][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.381931][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.381931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.381931][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2246.381931][ T74] ipv6_add_addr+0x411/0x2000 [ 2246.381931][ T74] inet6_addr_add+0x30e/0xa40 [ 2246.381931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.381931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.381931][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.381931][ T74] netlink_unicast+0x449/0x710 [ 2246.381931][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.381931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.381931][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.381931][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.381931][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.381931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.381931][ T74] [ 2246.384397][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.384397][ T74] netdev_get_by_index+0x5e/0x80 [ 2246.384397][ T74] fib6_nh_init+0x3d8/0x1580 [ 2246.384397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2246.384397][ T74] ip6_route_add+0x1c/0x140 [ 2246.384397][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2246.384397][ T74] addrconf_add_dev+0xe2/0x170 [ 2246.384397][ T74] inet6_addr_add+0x12f/0xa40 [ 2246.384397][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2246.384397][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.384397][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.384397][ T74] netlink_unicast+0x449/0x710 [ 2246.384397][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.384397][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.384397][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.384397][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.384397][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.384397][ T74] [ 2246.386836][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.386836][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2246.386836][ T74] ipv6_find_idev+0x102/0x170 [ 2246.386836][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.386836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.386836][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.386836][ T74] netlink_unicast+0x449/0x710 [ 2246.386836][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.386836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.386836][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.386836][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.386836][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.386836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.386836][ T74] [ 2246.388684][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2246.388684][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2246.388684][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2246.388684][ T74] ipv6_find_idev+0x102/0x170 [ 2246.388684][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2246.388684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2246.388684][ T74] netlink_rcv_skb+0x130/0x360 [ 2246.388684][ T74] netlink_unicast+0x449/0x710 [ 2246.388684][ T74] netlink_sendmsg+0x723/0xbe0 [ 2246.388684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2246.388684][ T74] ___sys_sendmsg+0xee/0x170 [ 2246.388684][ T74] __sys_sendmsg+0xcd/0x170 [ 2246.388684][ T74] do_syscall_64+0xc6/0x1e0 [ 2246.388684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2246.388684][ T74] [ 2248.384939][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2248.385417][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2248.385417][T16070] dst_init+0x84/0x4a0 [ 2248.385417][T16070] dst_alloc+0x97/0x150 [ 2248.385417][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.385417][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.385417][T16070] ip6_pol_route+0x56f/0x840 [ 2248.385417][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2248.385417][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2248.385417][T16070] fib6_rule_lookup+0x182/0x630 [ 2248.385417][T16070] ip6_route_output_flags+0x259/0x480 [ 2248.385417][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2248.385417][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2248.385417][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2248.385417][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2248.385417][T16070] ip6_datagram_connect+0x2c/0x50 [ 2248.385417][T16070] __sys_connect+0x217/0x2a0 [ 2248.385417][T16070] __x64_sys_connect+0x72/0xb0 [ 2248.385417][T16070] [ 2248.387736][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2248.387736][T16070] dst_init+0x84/0x4a0 [ 2248.387736][T16070] dst_alloc+0x97/0x150 [ 2248.387736][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.387736][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.387736][T16070] ip6_pol_route+0x56f/0x840 [ 2248.387736][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2248.387736][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2248.387736][T16070] fib6_rule_lookup+0x182/0x630 [ 2248.387736][T16070] ip6_route_output_flags+0x259/0x480 [ 2248.387736][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2248.387736][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2248.387736][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2248.387736][T16070] __inet_stream_connect+0x272/0x9f0 [ 2248.387736][T16070] inet_stream_connect+0x57/0xa0 [ 2248.387736][T16070] __sys_connect+0x217/0x2a0 [ 2248.387736][T16070] __x64_sys_connect+0x72/0xb0 [ 2248.387736][T16070] [ 2248.389993][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.389993][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2248.389993][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2248.389993][T16070] fib6_nh_init+0xa22/0x1580 [ 2248.389993][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.389993][T16070] ip6_route_add+0x1c/0x140 [ 2248.389993][T16070] inet6_rtm_newroute+0x104/0x110 [ 2248.389993][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.389993][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.389993][T16070] netlink_unicast+0x449/0x710 [ 2248.389993][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.389993][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.389993][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.389993][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.389993][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.389993][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.389993][T16070] [ 2248.392117][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.392117][T16070] dst_init+0x84/0x4a0 [ 2248.392117][T16070] dst_alloc+0x97/0x150 [ 2248.392117][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.392117][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.392117][T16070] ip6_pol_route+0x56f/0x840 [ 2248.392117][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2248.392117][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2248.392117][T16070] fib6_rule_lookup+0x182/0x630 [ 2248.392117][T16070] ip6_route_input+0x59c/0xa50 [ 2248.392117][T16070] ipv6_rcv+0x397/0x810 [ 2248.392117][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2248.392117][T16070] process_backlog+0x101/0x620 [ 2248.392117][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2248.392117][T16070] net_rx_action+0x495/0xbe0 [ 2248.392117][T16070] __do_softirq+0x1b5/0x7f6 [ 2248.392117][T16070] [ 2248.394213][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.394213][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.394213][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.394213][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.394213][T16070] ip6_route_add+0x1c/0x140 [ 2248.394213][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2248.394213][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2248.394213][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2248.394213][T16070] addrconf_dad_begin+0x310/0x670 [ 2248.394213][T16070] addrconf_dad_work+0x10b/0xab0 [ 2248.394213][T16070] process_one_work+0x84d/0x18a0 [ 2248.394213][T16070] worker_thread+0x587/0xd30 [ 2248.394213][T16070] kthread+0x28a/0x350 [ 2248.394213][T16070] ret_from_fork+0x31/0x70 [ 2248.394213][T16070] ret_from_fork_asm+0x1a/0x30 [ 2248.394213][T16070] [ 2248.396222][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.396222][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.396222][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.396222][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.396222][T16070] ip6_route_add+0x1c/0x140 [ 2248.396222][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2248.396222][T16070] inet6_addr_add+0x4f8/0xa40 [ 2248.396222][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.396222][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.396222][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.396222][T16070] netlink_unicast+0x449/0x710 [ 2248.396222][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.396222][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.396222][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.396222][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.396222][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.396222][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.396222][T16070] [ 2248.398468][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.398468][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.398468][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.398468][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.398468][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2248.398468][T16070] ipv6_add_addr+0x411/0x2000 [ 2248.398468][T16070] inet6_addr_add+0x30e/0xa40 [ 2248.398468][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.398468][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.398468][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.398468][T16070] netlink_unicast+0x449/0x710 [ 2248.398468][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.398468][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.398468][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.398468][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.398468][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.398468][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.398468][T16070] [ 2248.400707][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.400707][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.400707][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.400707][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.400707][T16070] ip6_route_add+0x1c/0x140 [ 2248.400707][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2248.400707][T16070] addrconf_add_dev+0xe2/0x170 [ 2248.400707][T16070] inet6_addr_add+0x12f/0xa40 [ 2248.400707][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.400707][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.400707][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.400707][T16070] netlink_unicast+0x449/0x710 [ 2248.400707][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.400707][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.400707][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.400707][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.400707][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.400707][T16070] [ 2248.402929][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.402929][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2248.402929][T16070] ipv6_find_idev+0x102/0x170 [ 2248.402929][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2248.402929][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.402929][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.402929][T16070] netlink_unicast+0x449/0x710 [ 2248.402929][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.402929][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.402929][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.402929][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.402929][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.402929][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.402929][T16070] [ 2248.404667][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2248.404667][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2248.404667][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2248.404667][T16070] ipv6_find_idev+0x102/0x170 [ 2248.404667][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2248.404667][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.404667][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.404667][T16070] netlink_unicast+0x449/0x710 [ 2248.404667][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.404667][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.404667][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.404667][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.404667][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.404667][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.404667][T16070] [ 2248.406564][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2248.406887][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2248.406887][T16070] dst_init+0x84/0x4a0 [ 2248.406887][T16070] dst_alloc+0x97/0x150 [ 2248.406887][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.406887][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.406887][T16070] ip6_pol_route+0x56f/0x840 [ 2248.406887][T16070] fib6_rule_lookup+0x334/0x630 [ 2248.406887][T16070] ip6_route_output_flags+0x259/0x480 [ 2248.406887][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2248.406887][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2248.406887][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2248.406887][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2248.406887][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2248.406887][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.406887][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.406887][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.406887][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.406887][T16070] [ 2248.409139][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.409139][T16070] dst_init+0x84/0x4a0 [ 2248.409139][T16070] dst_alloc+0x97/0x150 [ 2248.409139][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.409139][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.409139][T16070] ip6_pol_route+0x56f/0x840 [ 2248.409139][T16070] fib6_rule_lookup+0x334/0x630 [ 2248.409139][T16070] ip6_route_output_flags+0x259/0x480 [ 2248.409139][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2248.409139][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2248.409139][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2248.409139][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2248.409139][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2248.409139][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2248.409139][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2248.409139][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2248.409139][T16070] ip6_input_finish+0x120/0x260 [ 2248.409139][T16070] [ 2248.411452][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.411452][T16070] dst_init+0x84/0x4a0 [ 2248.411452][T16070] dst_alloc+0x97/0x150 [ 2248.411452][T16070] ip6_dst_alloc+0x23/0x90 [ 2248.411452][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2248.411452][T16070] ip6_pol_route+0x56f/0x840 [ 2248.411452][T16070] fib6_rule_lookup+0x456/0x630 [ 2248.411452][T16070] ip6_route_input+0x59c/0xa50 [ 2248.411452][T16070] ipv6_rcv+0x397/0x810 [ 2248.411452][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2248.411452][T16070] process_backlog+0x101/0x620 [ 2248.411452][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2248.411452][T16070] net_rx_action+0x495/0xbe0 [ 2248.411452][T16070] __do_softirq+0x1b5/0x7f6 [ 2248.411452][T16070] [ 2248.413291][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.413291][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.413291][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.413291][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.413291][T16070] ip6_route_add+0x1c/0x140 [ 2248.413291][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2248.413291][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2248.413291][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2248.413291][T16070] addrconf_dad_begin+0x310/0x670 [ 2248.413291][T16070] addrconf_dad_work+0x10b/0xab0 [ 2248.413291][T16070] process_one_work+0x84d/0x18a0 [ 2248.413291][T16070] worker_thread+0x587/0xd30 [ 2248.413291][T16070] kthread+0x28a/0x350 [ 2248.413291][T16070] ret_from_fork+0x31/0x70 [ 2248.413291][T16070] ret_from_fork_asm+0x1a/0x30 [ 2248.413291][T16070] [ 2248.415553][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.415553][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.415553][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.415553][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.415553][T16070] ip6_route_add+0x1c/0x140 [ 2248.415553][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2248.415553][T16070] inet6_addr_add+0x4f8/0xa40 [ 2248.415553][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.415553][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.415553][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.415553][T16070] netlink_unicast+0x449/0x710 [ 2248.415553][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.415553][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.415553][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.415553][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.415553][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.415553][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.415553][T16070] [ 2248.418196][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.418196][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.418196][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.418196][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.418196][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2248.418196][T16070] ipv6_add_addr+0x411/0x2000 [ 2248.418196][T16070] inet6_addr_add+0x30e/0xa40 [ 2248.418196][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.418196][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.418196][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.418196][T16070] netlink_unicast+0x449/0x710 [ 2248.418196][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.418196][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.418196][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.418196][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.418196][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.418196][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.418196][T16070] [ 2248.420741][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.420741][T16070] netdev_get_by_index+0x5e/0x80 [ 2248.420741][T16070] fib6_nh_init+0x3d8/0x1580 [ 2248.420741][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2248.420741][T16070] ip6_route_add+0x1c/0x140 [ 2248.420741][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2248.420741][T16070] addrconf_add_dev+0xe2/0x170 [ 2248.420741][T16070] inet6_addr_add+0x12f/0xa40 [ 2248.420741][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2248.420741][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.420741][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.420741][T16070] netlink_unicast+0x449/0x710 [ 2248.420741][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.420741][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.420741][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.420741][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.420741][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.420741][T16070] [ 2248.423191][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.423191][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2248.423191][T16070] ipv6_find_idev+0x102/0x170 [ 2248.423191][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2248.423191][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.423191][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.423191][T16070] netlink_unicast+0x449/0x710 [ 2248.423191][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.423191][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.423191][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.423191][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.423191][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.423191][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.423191][T16070] [ 2248.425145][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2248.425145][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2248.425145][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2248.425145][T16070] ipv6_find_idev+0x102/0x170 [ 2248.425145][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2248.425145][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2248.425145][T16070] netlink_rcv_skb+0x130/0x360 [ 2248.425145][T16070] netlink_unicast+0x449/0x710 [ 2248.425145][T16070] netlink_sendmsg+0x723/0xbe0 [ 2248.425145][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2248.425145][T16070] ___sys_sendmsg+0xee/0x170 [ 2248.425145][T16070] __sys_sendmsg+0xcd/0x170 [ 2248.425145][T16070] do_syscall_64+0xc6/0x1e0 [ 2248.425145][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2248.425145][T16070] [ 2256.504933][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2256.505403][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.505403][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.505403][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.505403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.505403][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2256.505403][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2256.505403][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2256.505403][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2256.505403][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2256.505403][ T74] addrconf_dad_begin+0x310/0x670 [ 2256.505403][ T74] addrconf_dad_work+0x10b/0xab0 [ 2256.505403][ T74] process_one_work+0x84d/0x18a0 [ 2256.505403][ T74] worker_thread+0x587/0xd30 [ 2256.505403][ T74] kthread+0x28a/0x350 [ 2256.505403][ T74] ret_from_fork+0x31/0x70 [ 2256.505403][ T74] ret_from_fork_asm+0x1a/0x30 [ 2256.505403][ T74] [ 2256.507578][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.507578][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.507578][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.507578][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.507578][ T74] ip6_route_add+0x1c/0x140 [ 2256.507578][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2256.507578][ T74] inet6_addr_add+0x4f8/0xa40 [ 2256.507578][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.507578][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.507578][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.507578][ T74] netlink_unicast+0x449/0x710 [ 2256.507578][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.507578][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.507578][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.507578][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.507578][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.507578][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.507578][ T74] [ 2256.509829][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.509829][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.509829][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.509829][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.509829][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2256.509829][ T74] ipv6_add_addr+0x411/0x2000 [ 2256.509829][ T74] inet6_addr_add+0x30e/0xa40 [ 2256.509829][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.509829][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.509829][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.509829][ T74] netlink_unicast+0x449/0x710 [ 2256.509829][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.509829][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.509829][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.509829][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.509829][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.509829][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.509829][ T74] [ 2256.512086][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.512086][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.512086][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.512086][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.512086][ T74] ip6_route_add+0x1c/0x140 [ 2256.512086][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2256.512086][ T74] addrconf_add_dev+0xe2/0x170 [ 2256.512086][ T74] inet6_addr_add+0x12f/0xa40 [ 2256.512086][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.512086][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.512086][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.512086][ T74] netlink_unicast+0x449/0x710 [ 2256.512086][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.512086][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.512086][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.512086][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.512086][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.512086][ T74] [ 2256.514302][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.514302][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2256.514302][ T74] ipv6_find_idev+0x102/0x170 [ 2256.514302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.514302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.514302][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.514302][ T74] netlink_unicast+0x449/0x710 [ 2256.514302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.514302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.514302][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.514302][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.514302][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.514302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.514302][ T74] [ 2256.516027][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2256.516027][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2256.516027][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2256.516027][ T74] ipv6_find_idev+0x102/0x170 [ 2256.516027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.516027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.516027][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.516027][ T74] netlink_unicast+0x449/0x710 [ 2256.516027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.516027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.516027][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.516027][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.516027][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.516027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.516027][ T74] [ 2256.517925][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2256.518187][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.518187][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.518187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.518187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.518187][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2256.518187][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2256.518187][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2256.518187][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2256.518187][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2256.518187][ T74] addrconf_dad_begin+0x310/0x670 [ 2256.518187][ T74] addrconf_dad_work+0x10b/0xab0 [ 2256.518187][ T74] process_one_work+0x84d/0x18a0 [ 2256.518187][ T74] worker_thread+0x587/0xd30 [ 2256.518187][ T74] kthread+0x28a/0x350 [ 2256.518187][ T74] ret_from_fork+0x31/0x70 [ 2256.518187][ T74] ret_from_fork_asm+0x1a/0x30 [ 2256.518187][ T74] [ 2256.520358][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.520358][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.520358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.520358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.520358][ T74] ip6_route_add+0x1c/0x140 [ 2256.520358][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2256.520358][ T74] inet6_addr_add+0x4f8/0xa40 [ 2256.520358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.520358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.520358][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.520358][ T74] netlink_unicast+0x449/0x710 [ 2256.520358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.520358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.520358][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.520358][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.520358][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.520358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.520358][ T74] [ 2256.522619][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.522619][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.522619][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.522619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.522619][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2256.522619][ T74] ipv6_add_addr+0x411/0x2000 [ 2256.522619][ T74] inet6_addr_add+0x30e/0xa40 [ 2256.522619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.522619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.522619][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.522619][ T74] netlink_unicast+0x449/0x710 [ 2256.522619][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.522619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.522619][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.522619][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.522619][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.522619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.522619][ T74] [ 2256.524843][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.524843][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.524843][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.524843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.524843][ T74] ip6_route_add+0x1c/0x140 [ 2256.524843][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2256.524843][ T74] addrconf_add_dev+0xe2/0x170 [ 2256.524843][ T74] inet6_addr_add+0x12f/0xa40 [ 2256.524843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.524843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.524843][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.524843][ T74] netlink_unicast+0x449/0x710 [ 2256.524843][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.524843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.524843][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.524843][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.524843][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.524843][ T74] [ 2256.527073][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.527073][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2256.527073][ T74] ipv6_find_idev+0x102/0x170 [ 2256.527073][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.527073][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.527073][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.527073][ T74] netlink_unicast+0x449/0x710 [ 2256.527073][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.527073][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.527073][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.527073][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.527073][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.527073][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.527073][ T74] [ 2256.528874][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2256.528874][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2256.528874][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2256.528874][ T74] ipv6_find_idev+0x102/0x170 [ 2256.528874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.528874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.528874][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.528874][ T74] netlink_unicast+0x449/0x710 [ 2256.528874][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.528874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.528874][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.528874][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.528874][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.528874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.528874][ T74] [ 2256.530848][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2256.531118][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.531118][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.531118][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.531118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.531118][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2256.531118][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2256.531118][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2256.531118][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2256.531118][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2256.531118][ T74] addrconf_dad_begin+0x310/0x670 [ 2256.531118][ T74] addrconf_dad_work+0x10b/0xab0 [ 2256.531118][ T74] process_one_work+0x84d/0x18a0 [ 2256.531118][ T74] worker_thread+0x587/0xd30 [ 2256.531118][ T74] kthread+0x28a/0x350 [ 2256.531118][ T74] ret_from_fork+0x31/0x70 [ 2256.531118][ T74] ret_from_fork_asm+0x1a/0x30 [ 2256.531118][ T74] [ 2256.533342][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.533342][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.533342][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.533342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.533342][ T74] ip6_route_add+0x1c/0x140 [ 2256.533342][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2256.533342][ T74] inet6_addr_add+0x4f8/0xa40 [ 2256.533342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.533342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.533342][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.533342][ T74] netlink_unicast+0x449/0x710 [ 2256.533342][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.533342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.533342][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.533342][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.533342][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.533342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.533342][ T74] [ 2256.535872][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.535872][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.535872][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.535872][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.535872][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2256.535872][ T74] ipv6_add_addr+0x411/0x2000 [ 2256.535872][ T74] inet6_addr_add+0x30e/0xa40 [ 2256.535872][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.535872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.535872][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.535872][ T74] netlink_unicast+0x449/0x710 [ 2256.535872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.535872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.535872][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.535872][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.535872][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.535872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.535872][ T74] [ 2256.538442][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.538442][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.538442][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.538442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.538442][ T74] ip6_route_add+0x1c/0x140 [ 2256.538442][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2256.538442][ T74] addrconf_add_dev+0xe2/0x170 [ 2256.538442][ T74] inet6_addr_add+0x12f/0xa40 [ 2256.538442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.538442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.538442][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.538442][ T74] netlink_unicast+0x449/0x710 [ 2256.538442][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.538442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.538442][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.538442][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.538442][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.538442][ T74] [ 2256.540991][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.540991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2256.540991][ T74] ipv6_find_idev+0x102/0x170 [ 2256.540991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.540991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.540991][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.540991][ T74] netlink_unicast+0x449/0x710 [ 2256.540991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.540991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.540991][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.540991][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.540991][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.540991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.540991][ T74] [ 2256.542899][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2256.542899][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2256.542899][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2256.542899][ T74] ipv6_find_idev+0x102/0x170 [ 2256.542899][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.542899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.542899][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.542899][ T74] netlink_unicast+0x449/0x710 [ 2256.542899][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.542899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.542899][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.542899][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.542899][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.542899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.542899][ T74] [ 2256.544953][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2256.545206][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.545206][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.545206][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.545206][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.545206][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2256.545206][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2256.545206][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2256.545206][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2256.545206][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2256.545206][ T74] addrconf_dad_begin+0x310/0x670 [ 2256.545206][ T74] addrconf_dad_work+0x10b/0xab0 [ 2256.545206][ T74] process_one_work+0x84d/0x18a0 [ 2256.545206][ T74] worker_thread+0x587/0xd30 [ 2256.545206][ T74] kthread+0x28a/0x350 [ 2256.545206][ T74] ret_from_fork+0x31/0x70 [ 2256.545206][ T74] ret_from_fork_asm+0x1a/0x30 [ 2256.545206][ T74] [ 2256.547587][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.547587][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.547587][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.547587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.547587][ T74] ip6_route_add+0x1c/0x140 [ 2256.547587][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2256.547587][ T74] inet6_addr_add+0x4f8/0xa40 [ 2256.547587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.547587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.547587][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.547587][ T74] netlink_unicast+0x449/0x710 [ 2256.547587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.547587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.547587][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.547587][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.547587][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.547587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.547587][ T74] [ 2256.550090][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.550090][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.550090][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.550090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.550090][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2256.550090][ T74] ipv6_add_addr+0x411/0x2000 [ 2256.550090][ T74] inet6_addr_add+0x30e/0xa40 [ 2256.550090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.550090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.550090][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.550090][ T74] netlink_unicast+0x449/0x710 [ 2256.550090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.550090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.550090][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.550090][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.550090][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.550090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.550090][ T74] [ 2256.552590][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.552590][ T74] netdev_get_by_index+0x5e/0x80 [ 2256.552590][ T74] fib6_nh_init+0x3d8/0x1580 [ 2256.552590][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2256.552590][ T74] ip6_route_add+0x1c/0x140 [ 2256.552590][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2256.552590][ T74] addrconf_add_dev+0xe2/0x170 [ 2256.552590][ T74] inet6_addr_add+0x12f/0xa40 [ 2256.552590][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2256.552590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.552590][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.552590][ T74] netlink_unicast+0x449/0x710 [ 2256.552590][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.552590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.552590][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.552590][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.552590][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.552590][ T74] [ 2256.554964][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.554964][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2256.554964][ T74] ipv6_find_idev+0x102/0x170 [ 2256.554964][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.554964][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.554964][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.554964][ T74] netlink_unicast+0x449/0x710 [ 2256.554964][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.554964][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.554964][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.554964][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.554964][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.554964][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.554964][ T74] [ 2256.556901][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2256.556901][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2256.556901][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2256.556901][ T74] ipv6_find_idev+0x102/0x170 [ 2256.556901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2256.556901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2256.556901][ T74] netlink_rcv_skb+0x130/0x360 [ 2256.556901][ T74] netlink_unicast+0x449/0x710 [ 2256.556901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2256.556901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2256.556901][ T74] ___sys_sendmsg+0xee/0x170 [ 2256.556901][ T74] __sys_sendmsg+0xcd/0x170 [ 2256.556901][ T74] do_syscall_64+0xc6/0x1e0 [ 2256.556901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2256.556901][ T74] [ 2258.672926][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2258.673400][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2258.673400][T16070] dst_init+0x84/0x4a0 [ 2258.673400][T16070] dst_alloc+0x97/0x150 [ 2258.673400][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.673400][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.673400][T16070] ip6_pol_route+0x56f/0x840 [ 2258.673400][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2258.673400][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2258.673400][T16070] fib6_rule_lookup+0x182/0x630 [ 2258.673400][T16070] ip6_route_output_flags+0x259/0x480 [ 2258.673400][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2258.673400][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2258.673400][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2258.673400][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2258.673400][T16070] ip6_datagram_connect+0x2c/0x50 [ 2258.673400][T16070] __sys_connect+0x217/0x2a0 [ 2258.673400][T16070] __x64_sys_connect+0x72/0xb0 [ 2258.673400][T16070] [ 2258.675712][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2258.675712][T16070] dst_init+0x84/0x4a0 [ 2258.675712][T16070] dst_alloc+0x97/0x150 [ 2258.675712][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.675712][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.675712][T16070] ip6_pol_route+0x56f/0x840 [ 2258.675712][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2258.675712][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2258.675712][T16070] fib6_rule_lookup+0x182/0x630 [ 2258.675712][T16070] ip6_route_output_flags+0x259/0x480 [ 2258.675712][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2258.675712][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2258.675712][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2258.675712][T16070] __inet_stream_connect+0x272/0x9f0 [ 2258.675712][T16070] inet_stream_connect+0x57/0xa0 [ 2258.675712][T16070] __sys_connect+0x217/0x2a0 [ 2258.675712][T16070] __x64_sys_connect+0x72/0xb0 [ 2258.675712][T16070] [ 2258.677970][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.677970][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2258.677970][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2258.677970][T16070] fib6_nh_init+0xa22/0x1580 [ 2258.677970][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.677970][T16070] ip6_route_add+0x1c/0x140 [ 2258.677970][T16070] inet6_rtm_newroute+0x104/0x110 [ 2258.677970][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.677970][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.677970][T16070] netlink_unicast+0x449/0x710 [ 2258.677970][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.677970][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.677970][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.677970][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.677970][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.677970][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.677970][T16070] [ 2258.680083][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.680083][T16070] dst_init+0x84/0x4a0 [ 2258.680083][T16070] dst_alloc+0x97/0x150 [ 2258.680083][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.680083][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.680083][T16070] ip6_pol_route+0x56f/0x840 [ 2258.680083][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2258.680083][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2258.680083][T16070] fib6_rule_lookup+0x182/0x630 [ 2258.680083][T16070] ip6_route_input+0x59c/0xa50 [ 2258.680083][T16070] ipv6_rcv+0x397/0x810 [ 2258.680083][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2258.680083][T16070] process_backlog+0x101/0x620 [ 2258.680083][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2258.680083][T16070] net_rx_action+0x495/0xbe0 [ 2258.680083][T16070] __do_softirq+0x1b5/0x7f6 [ 2258.680083][T16070] [ 2258.682694][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.682694][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.682694][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.682694][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.682694][T16070] ip6_route_add+0x1c/0x140 [ 2258.682694][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2258.682694][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2258.682694][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2258.682694][T16070] addrconf_dad_begin+0x310/0x670 [ 2258.682694][T16070] addrconf_dad_work+0x10b/0xab0 [ 2258.682694][T16070] process_one_work+0x84d/0x18a0 [ 2258.682694][T16070] worker_thread+0x587/0xd30 [ 2258.682694][T16070] kthread+0x28a/0x350 [ 2258.682694][T16070] ret_from_fork+0x31/0x70 [ 2258.682694][T16070] ret_from_fork_asm+0x1a/0x30 [ 2258.682694][T16070] [ 2258.684702][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.684702][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.684702][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.684702][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.684702][T16070] ip6_route_add+0x1c/0x140 [ 2258.684702][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2258.684702][T16070] inet6_addr_add+0x4f8/0xa40 [ 2258.684702][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.684702][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.684702][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.684702][T16070] netlink_unicast+0x449/0x710 [ 2258.684702][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.684702][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.684702][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.684702][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.684702][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.684702][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.684702][T16070] [ 2258.686947][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.686947][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.686947][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.686947][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.686947][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2258.686947][T16070] ipv6_add_addr+0x411/0x2000 [ 2258.686947][T16070] inet6_addr_add+0x30e/0xa40 [ 2258.686947][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.686947][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.686947][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.686947][T16070] netlink_unicast+0x449/0x710 [ 2258.686947][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.686947][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.686947][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.686947][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.686947][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.686947][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.686947][T16070] [ 2258.689218][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.689218][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.689218][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.689218][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.689218][T16070] ip6_route_add+0x1c/0x140 [ 2258.689218][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.689218][T16070] addrconf_add_dev+0xe2/0x170 [ 2258.689218][T16070] inet6_addr_add+0x12f/0xa40 [ 2258.689218][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.689218][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.689218][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.689218][T16070] netlink_unicast+0x449/0x710 [ 2258.689218][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.689218][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.689218][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.689218][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.689218][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.689218][T16070] [ 2258.691437][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.691437][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2258.691437][T16070] ipv6_find_idev+0x102/0x170 [ 2258.691437][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.691437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.691437][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.691437][T16070] netlink_unicast+0x449/0x710 [ 2258.691437][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.691437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.691437][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.691437][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.691437][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.691437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.691437][T16070] [ 2258.693168][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2258.693168][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2258.693168][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2258.693168][T16070] ipv6_find_idev+0x102/0x170 [ 2258.693168][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.693168][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.693168][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.693168][T16070] netlink_unicast+0x449/0x710 [ 2258.693168][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.693168][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.693168][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.693168][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.693168][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.693168][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.693168][T16070] [ 2258.695071][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2258.695386][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2258.695386][T16070] dst_init+0x84/0x4a0 [ 2258.695386][T16070] dst_alloc+0x97/0x150 [ 2258.695386][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.695386][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.695386][T16070] ip6_pol_route+0x56f/0x840 [ 2258.695386][T16070] fib6_rule_lookup+0x334/0x630 [ 2258.695386][T16070] ip6_route_output_flags+0x259/0x480 [ 2258.695386][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2258.695386][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2258.695386][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2258.695386][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2258.695386][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2258.695386][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.695386][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.695386][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.695386][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.695386][T16070] [ 2258.697665][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.697665][T16070] dst_init+0x84/0x4a0 [ 2258.697665][T16070] dst_alloc+0x97/0x150 [ 2258.697665][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.697665][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.697665][T16070] ip6_pol_route+0x56f/0x840 [ 2258.697665][T16070] fib6_rule_lookup+0x334/0x630 [ 2258.697665][T16070] ip6_route_output_flags+0x259/0x480 [ 2258.697665][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2258.697665][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2258.697665][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2258.697665][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2258.697665][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2258.697665][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2258.697665][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2258.697665][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2258.697665][T16070] ip6_input_finish+0x120/0x260 [ 2258.697665][T16070] [ 2258.699946][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.699946][T16070] dst_init+0x84/0x4a0 [ 2258.699946][T16070] dst_alloc+0x97/0x150 [ 2258.699946][T16070] ip6_dst_alloc+0x23/0x90 [ 2258.699946][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2258.699946][T16070] ip6_pol_route+0x56f/0x840 [ 2258.699946][T16070] fib6_rule_lookup+0x456/0x630 [ 2258.699946][T16070] ip6_route_input+0x59c/0xa50 [ 2258.699946][T16070] ipv6_rcv+0x397/0x810 [ 2258.699946][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2258.699946][T16070] process_backlog+0x101/0x620 [ 2258.699946][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2258.699946][T16070] net_rx_action+0x495/0xbe0 [ 2258.699946][T16070] __do_softirq+0x1b5/0x7f6 [ 2258.699946][T16070] [ 2258.701780][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.701780][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.701780][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.701780][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.701780][T16070] ip6_route_add+0x1c/0x140 [ 2258.701780][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2258.701780][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2258.701780][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2258.701780][T16070] addrconf_dad_begin+0x310/0x670 [ 2258.701780][T16070] addrconf_dad_work+0x10b/0xab0 [ 2258.701780][T16070] process_one_work+0x84d/0x18a0 [ 2258.701780][T16070] worker_thread+0x587/0xd30 [ 2258.701780][T16070] kthread+0x28a/0x350 [ 2258.701780][T16070] ret_from_fork+0x31/0x70 [ 2258.701780][T16070] ret_from_fork_asm+0x1a/0x30 [ 2258.701780][T16070] [ 2258.704013][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.704013][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.704013][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.704013][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.704013][T16070] ip6_route_add+0x1c/0x140 [ 2258.704013][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2258.704013][T16070] inet6_addr_add+0x4f8/0xa40 [ 2258.704013][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.704013][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.704013][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.704013][T16070] netlink_unicast+0x449/0x710 [ 2258.704013][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.704013][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.704013][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.704013][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.704013][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.704013][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.704013][T16070] [ 2258.706641][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.706641][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.706641][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.706641][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.706641][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2258.706641][T16070] ipv6_add_addr+0x411/0x2000 [ 2258.706641][T16070] inet6_addr_add+0x30e/0xa40 [ 2258.706641][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.706641][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.706641][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.706641][T16070] netlink_unicast+0x449/0x710 [ 2258.706641][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.706641][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.706641][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.706641][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.706641][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.706641][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.706641][T16070] [ 2258.709193][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.709193][T16070] netdev_get_by_index+0x5e/0x80 [ 2258.709193][T16070] fib6_nh_init+0x3d8/0x1580 [ 2258.709193][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2258.709193][T16070] ip6_route_add+0x1c/0x140 [ 2258.709193][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2258.709193][T16070] addrconf_add_dev+0xe2/0x170 [ 2258.709193][T16070] inet6_addr_add+0x12f/0xa40 [ 2258.709193][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2258.709193][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.709193][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.709193][T16070] netlink_unicast+0x449/0x710 [ 2258.709193][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.709193][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.709193][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.709193][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.709193][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.709193][T16070] [ 2258.711639][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.711639][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2258.711639][T16070] ipv6_find_idev+0x102/0x170 [ 2258.711639][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.711639][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.711639][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.711639][T16070] netlink_unicast+0x449/0x710 [ 2258.711639][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.711639][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.711639][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.711639][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.711639][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.711639][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.711639][T16070] [ 2258.713520][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2258.713520][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2258.713520][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2258.713520][T16070] ipv6_find_idev+0x102/0x170 [ 2258.713520][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2258.713520][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2258.713520][T16070] netlink_rcv_skb+0x130/0x360 [ 2258.713520][T16070] netlink_unicast+0x449/0x710 [ 2258.713520][T16070] netlink_sendmsg+0x723/0xbe0 [ 2258.713520][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2258.713520][T16070] ___sys_sendmsg+0xee/0x170 [ 2258.713520][T16070] __sys_sendmsg+0xcd/0x170 [ 2258.713520][T16070] do_syscall_64+0xc6/0x1e0 [ 2258.713520][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2258.713520][T16070] [ 2266.808929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2266.809327][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.809327][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.809327][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.809327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.809327][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2266.809327][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2266.809327][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2266.809327][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2266.809327][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2266.809327][ T74] addrconf_dad_begin+0x310/0x670 [ 2266.809327][ T74] addrconf_dad_work+0x10b/0xab0 [ 2266.809327][ T74] process_one_work+0x84d/0x18a0 [ 2266.809327][ T74] worker_thread+0x587/0xd30 [ 2266.809327][ T74] kthread+0x28a/0x350 [ 2266.809327][ T74] ret_from_fork+0x31/0x70 [ 2266.809327][ T74] ret_from_fork_asm+0x1a/0x30 [ 2266.809327][ T74] [ 2266.811528][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.811528][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.811528][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.811528][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.811528][ T74] ip6_route_add+0x1c/0x140 [ 2266.811528][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2266.811528][ T74] inet6_addr_add+0x4f8/0xa40 [ 2266.811528][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.811528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.811528][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.811528][ T74] netlink_unicast+0x449/0x710 [ 2266.811528][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.811528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.811528][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.811528][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.811528][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.811528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.811528][ T74] [ 2266.813781][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.813781][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.813781][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.813781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.813781][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2266.813781][ T74] ipv6_add_addr+0x411/0x2000 [ 2266.813781][ T74] inet6_addr_add+0x30e/0xa40 [ 2266.813781][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.813781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.813781][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.813781][ T74] netlink_unicast+0x449/0x710 [ 2266.813781][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.813781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.813781][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.813781][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.813781][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.813781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.813781][ T74] [ 2266.816022][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.816022][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.816022][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.816022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.816022][ T74] ip6_route_add+0x1c/0x140 [ 2266.816022][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2266.816022][ T74] addrconf_add_dev+0xe2/0x170 [ 2266.816022][ T74] inet6_addr_add+0x12f/0xa40 [ 2266.816022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.816022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.816022][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.816022][ T74] netlink_unicast+0x449/0x710 [ 2266.816022][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.816022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.816022][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.816022][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.816022][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.816022][ T74] [ 2266.818217][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.818217][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2266.818217][ T74] ipv6_find_idev+0x102/0x170 [ 2266.818217][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.818217][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.818217][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.818217][ T74] netlink_unicast+0x449/0x710 [ 2266.818217][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.818217][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.818217][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.818217][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.818217][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.818217][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.818217][ T74] [ 2266.819943][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2266.819943][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2266.819943][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2266.819943][ T74] ipv6_find_idev+0x102/0x170 [ 2266.819943][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.819943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.819943][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.819943][ T74] netlink_unicast+0x449/0x710 [ 2266.819943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.819943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.819943][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.819943][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.819943][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.819943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.819943][ T74] [ 2266.821832][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2266.822093][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.822093][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.822093][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.822093][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.822093][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2266.822093][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2266.822093][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2266.822093][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2266.822093][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2266.822093][ T74] addrconf_dad_begin+0x310/0x670 [ 2266.822093][ T74] addrconf_dad_work+0x10b/0xab0 [ 2266.822093][ T74] process_one_work+0x84d/0x18a0 [ 2266.822093][ T74] worker_thread+0x587/0xd30 [ 2266.822093][ T74] kthread+0x28a/0x350 [ 2266.822093][ T74] ret_from_fork+0x31/0x70 [ 2266.822093][ T74] ret_from_fork_asm+0x1a/0x30 [ 2266.822093][ T74] [ 2266.824238][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.824238][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.824238][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.824238][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.824238][ T74] ip6_route_add+0x1c/0x140 [ 2266.824238][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2266.824238][ T74] inet6_addr_add+0x4f8/0xa40 [ 2266.824238][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.824238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.824238][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.824238][ T74] netlink_unicast+0x449/0x710 [ 2266.824238][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.824238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.824238][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.824238][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.824238][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.824238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.824238][ T74] [ 2266.826473][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.826473][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.826473][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.826473][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.826473][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2266.826473][ T74] ipv6_add_addr+0x411/0x2000 [ 2266.826473][ T74] inet6_addr_add+0x30e/0xa40 [ 2266.826473][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.826473][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.826473][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.826473][ T74] netlink_unicast+0x449/0x710 [ 2266.826473][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.826473][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.826473][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.826473][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.826473][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.826473][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.826473][ T74] [ 2266.828712][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.828712][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.828712][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.828712][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.828712][ T74] ip6_route_add+0x1c/0x140 [ 2266.828712][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2266.828712][ T74] addrconf_add_dev+0xe2/0x170 [ 2266.828712][ T74] inet6_addr_add+0x12f/0xa40 [ 2266.828712][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.828712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.828712][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.828712][ T74] netlink_unicast+0x449/0x710 [ 2266.828712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.828712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.828712][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.828712][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.828712][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.828712][ T74] [ 2266.830933][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.830933][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2266.830933][ T74] ipv6_find_idev+0x102/0x170 [ 2266.830933][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.830933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.830933][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.830933][ T74] netlink_unicast+0x449/0x710 [ 2266.830933][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.830933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.830933][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.830933][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.830933][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.830933][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.830933][ T74] [ 2266.832658][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2266.832658][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2266.832658][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2266.832658][ T74] ipv6_find_idev+0x102/0x170 [ 2266.832658][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.832658][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.832658][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.832658][ T74] netlink_unicast+0x449/0x710 [ 2266.832658][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.832658][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.832658][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.832658][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.832658][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.832658][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.832658][ T74] [ 2266.834523][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2266.834785][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.834785][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.834785][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.834785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.834785][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2266.834785][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2266.834785][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2266.834785][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2266.834785][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2266.834785][ T74] addrconf_dad_begin+0x310/0x670 [ 2266.834785][ T74] addrconf_dad_work+0x10b/0xab0 [ 2266.834785][ T74] process_one_work+0x84d/0x18a0 [ 2266.834785][ T74] worker_thread+0x587/0xd30 [ 2266.834785][ T74] kthread+0x28a/0x350 [ 2266.834785][ T74] ret_from_fork+0x31/0x70 [ 2266.834785][ T74] ret_from_fork_asm+0x1a/0x30 [ 2266.834785][ T74] [ 2266.836917][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.836917][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.836917][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.836917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.836917][ T74] ip6_route_add+0x1c/0x140 [ 2266.836917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2266.836917][ T74] inet6_addr_add+0x4f8/0xa40 [ 2266.836917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.836917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.836917][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.836917][ T74] netlink_unicast+0x449/0x710 [ 2266.836917][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.836917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.836917][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.836917][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.836917][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.836917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.836917][ T74] [ 2266.839338][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.839338][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.839338][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.839338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.839338][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2266.839338][ T74] ipv6_add_addr+0x411/0x2000 [ 2266.839338][ T74] inet6_addr_add+0x30e/0xa40 [ 2266.839338][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.839338][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.839338][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.839338][ T74] netlink_unicast+0x449/0x710 [ 2266.839338][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.839338][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.839338][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.839338][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.839338][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.839338][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.839338][ T74] [ 2266.841854][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.841854][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.841854][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.841854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.841854][ T74] ip6_route_add+0x1c/0x140 [ 2266.841854][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2266.841854][ T74] addrconf_add_dev+0xe2/0x170 [ 2266.841854][ T74] inet6_addr_add+0x12f/0xa40 [ 2266.841854][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.841854][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.841854][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.841854][ T74] netlink_unicast+0x449/0x710 [ 2266.841854][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.841854][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.841854][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.841854][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.841854][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.841854][ T74] [ 2266.844305][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.844305][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2266.844305][ T74] ipv6_find_idev+0x102/0x170 [ 2266.844305][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.844305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.844305][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.844305][ T74] netlink_unicast+0x449/0x710 [ 2266.844305][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.844305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.844305][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.844305][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.844305][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.844305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.844305][ T74] [ 2266.846212][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2266.846212][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2266.846212][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2266.846212][ T74] ipv6_find_idev+0x102/0x170 [ 2266.846212][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.846212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.846212][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.846212][ T74] netlink_unicast+0x449/0x710 [ 2266.846212][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.846212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.846212][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.846212][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.846212][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.846212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.846212][ T74] [ 2266.848284][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2266.848548][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.848548][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.848548][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.848548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.848548][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2266.848548][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2266.848548][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2266.848548][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2266.848548][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2266.848548][ T74] addrconf_dad_begin+0x310/0x670 [ 2266.848548][ T74] addrconf_dad_work+0x10b/0xab0 [ 2266.848548][ T74] process_one_work+0x84d/0x18a0 [ 2266.848548][ T74] worker_thread+0x587/0xd30 [ 2266.848548][ T74] kthread+0x28a/0x350 [ 2266.848548][ T74] ret_from_fork+0x31/0x70 [ 2266.848548][ T74] ret_from_fork_asm+0x1a/0x30 [ 2266.848548][ T74] [ 2266.850980][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.850980][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.850980][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.850980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.850980][ T74] ip6_route_add+0x1c/0x140 [ 2266.850980][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2266.850980][ T74] inet6_addr_add+0x4f8/0xa40 [ 2266.850980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.850980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.850980][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.850980][ T74] netlink_unicast+0x449/0x710 [ 2266.850980][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.850980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.850980][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.850980][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.850980][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.850980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.850980][ T74] [ 2266.853462][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.853462][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.853462][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.853462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.853462][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2266.853462][ T74] ipv6_add_addr+0x411/0x2000 [ 2266.853462][ T74] inet6_addr_add+0x30e/0xa40 [ 2266.853462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.853462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.853462][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.853462][ T74] netlink_unicast+0x449/0x710 [ 2266.853462][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.853462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.853462][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.853462][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.853462][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.853462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.853462][ T74] [ 2266.855943][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.855943][ T74] netdev_get_by_index+0x5e/0x80 [ 2266.855943][ T74] fib6_nh_init+0x3d8/0x1580 [ 2266.855943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2266.855943][ T74] ip6_route_add+0x1c/0x140 [ 2266.855943][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2266.855943][ T74] addrconf_add_dev+0xe2/0x170 [ 2266.855943][ T74] inet6_addr_add+0x12f/0xa40 [ 2266.855943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2266.855943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.855943][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.855943][ T74] netlink_unicast+0x449/0x710 [ 2266.855943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.855943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.855943][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.855943][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.855943][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.855943][ T74] [ 2266.858312][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.858312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2266.858312][ T74] ipv6_find_idev+0x102/0x170 [ 2266.858312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.858312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.858312][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.858312][ T74] netlink_unicast+0x449/0x710 [ 2266.858312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.858312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.858312][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.858312][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.858312][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.858312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.858312][ T74] [ 2266.860479][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2266.860479][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2266.860479][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2266.860479][ T74] ipv6_find_idev+0x102/0x170 [ 2266.860479][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2266.860479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2266.860479][ T74] netlink_rcv_skb+0x130/0x360 [ 2266.860479][ T74] netlink_unicast+0x449/0x710 [ 2266.860479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2266.860479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2266.860479][ T74] ___sys_sendmsg+0xee/0x170 [ 2266.860479][ T74] __sys_sendmsg+0xcd/0x170 [ 2266.860479][ T74] do_syscall_64+0xc6/0x1e0 [ 2266.860479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2266.860479][ T74] [ 2268.848928][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2268.849422][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2268.849422][T16070] dst_init+0x84/0x4a0 [ 2268.849422][T16070] dst_alloc+0x97/0x150 [ 2268.849422][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.849422][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.849422][T16070] ip6_pol_route+0x56f/0x840 [ 2268.849422][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2268.849422][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2268.849422][T16070] fib6_rule_lookup+0x182/0x630 [ 2268.849422][T16070] ip6_route_output_flags+0x259/0x480 [ 2268.849422][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2268.849422][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2268.849422][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2268.849422][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2268.849422][T16070] ip6_datagram_connect+0x2c/0x50 [ 2268.849422][T16070] __sys_connect+0x217/0x2a0 [ 2268.849422][T16070] __x64_sys_connect+0x72/0xb0 [ 2268.849422][T16070] [ 2268.851756][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2268.851756][T16070] dst_init+0x84/0x4a0 [ 2268.851756][T16070] dst_alloc+0x97/0x150 [ 2268.851756][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.851756][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.851756][T16070] ip6_pol_route+0x56f/0x840 [ 2268.851756][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2268.851756][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2268.851756][T16070] fib6_rule_lookup+0x182/0x630 [ 2268.851756][T16070] ip6_route_output_flags+0x259/0x480 [ 2268.851756][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2268.851756][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2268.851756][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2268.851756][T16070] __inet_stream_connect+0x272/0x9f0 [ 2268.851756][T16070] inet_stream_connect+0x57/0xa0 [ 2268.851756][T16070] __sys_connect+0x217/0x2a0 [ 2268.851756][T16070] __x64_sys_connect+0x72/0xb0 [ 2268.851756][T16070] [ 2268.854014][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.854014][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2268.854014][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2268.854014][T16070] fib6_nh_init+0xa22/0x1580 [ 2268.854014][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.854014][T16070] ip6_route_add+0x1c/0x140 [ 2268.854014][T16070] inet6_rtm_newroute+0x104/0x110 [ 2268.854014][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.854014][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.854014][T16070] netlink_unicast+0x449/0x710 [ 2268.854014][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.854014][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.854014][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.854014][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.854014][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.854014][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.854014][T16070] [ 2268.856126][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.856126][T16070] dst_init+0x84/0x4a0 [ 2268.856126][T16070] dst_alloc+0x97/0x150 [ 2268.856126][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.856126][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.856126][T16070] ip6_pol_route+0x56f/0x840 [ 2268.856126][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2268.856126][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2268.856126][T16070] fib6_rule_lookup+0x182/0x630 [ 2268.856126][T16070] ip6_route_input+0x59c/0xa50 [ 2268.856126][T16070] ipv6_rcv+0x397/0x810 [ 2268.856126][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.856126][T16070] process_backlog+0x101/0x620 [ 2268.856126][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2268.856126][T16070] net_rx_action+0x495/0xbe0 [ 2268.856126][T16070] __do_softirq+0x1b5/0x7f6 [ 2268.856126][T16070] [ 2268.858216][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.858216][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.858216][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.858216][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.858216][T16070] ip6_route_add+0x1c/0x140 [ 2268.858216][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2268.858216][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2268.858216][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2268.858216][T16070] addrconf_dad_begin+0x310/0x670 [ 2268.858216][T16070] addrconf_dad_work+0x10b/0xab0 [ 2268.858216][T16070] process_one_work+0x84d/0x18a0 [ 2268.858216][T16070] worker_thread+0x587/0xd30 [ 2268.858216][T16070] kthread+0x28a/0x350 [ 2268.858216][T16070] ret_from_fork+0x31/0x70 [ 2268.858216][T16070] ret_from_fork_asm+0x1a/0x30 [ 2268.858216][T16070] [ 2268.860231][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.860231][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.860231][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.860231][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.860231][T16070] ip6_route_add+0x1c/0x140 [ 2268.860231][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2268.860231][T16070] inet6_addr_add+0x4f8/0xa40 [ 2268.860231][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.860231][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.860231][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.860231][T16070] netlink_unicast+0x449/0x710 [ 2268.860231][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.860231][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.860231][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.860231][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.860231][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.860231][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.860231][T16070] [ 2268.862476][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.862476][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.862476][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.862476][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.862476][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2268.862476][T16070] ipv6_add_addr+0x411/0x2000 [ 2268.862476][T16070] inet6_addr_add+0x30e/0xa40 [ 2268.862476][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.862476][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.862476][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.862476][T16070] netlink_unicast+0x449/0x710 [ 2268.862476][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.862476][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.862476][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.862476][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.862476][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.862476][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.862476][T16070] [ 2268.864731][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.864731][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.864731][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.864731][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.864731][T16070] ip6_route_add+0x1c/0x140 [ 2268.864731][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.864731][T16070] addrconf_add_dev+0xe2/0x170 [ 2268.864731][T16070] inet6_addr_add+0x12f/0xa40 [ 2268.864731][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.864731][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.864731][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.864731][T16070] netlink_unicast+0x449/0x710 [ 2268.864731][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.864731][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.864731][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.864731][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.864731][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.864731][T16070] [ 2268.866931][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.866931][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2268.866931][T16070] ipv6_find_idev+0x102/0x170 [ 2268.866931][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.866931][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.866931][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.866931][T16070] netlink_unicast+0x449/0x710 [ 2268.866931][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.866931][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.866931][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.866931][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.866931][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.866931][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.866931][T16070] [ 2268.868661][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2268.868661][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2268.868661][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2268.868661][T16070] ipv6_find_idev+0x102/0x170 [ 2268.868661][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.868661][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.868661][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.868661][T16070] netlink_unicast+0x449/0x710 [ 2268.868661][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.868661][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.868661][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.868661][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.868661][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.868661][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.868661][T16070] [ 2268.870552][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2268.870855][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2268.870855][T16070] dst_init+0x84/0x4a0 [ 2268.870855][T16070] dst_alloc+0x97/0x150 [ 2268.870855][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.870855][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.870855][T16070] ip6_pol_route+0x56f/0x840 [ 2268.870855][T16070] fib6_rule_lookup+0x334/0x630 [ 2268.870855][T16070] ip6_route_output_flags+0x259/0x480 [ 2268.870855][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2268.870855][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2268.870855][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2268.870855][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2268.870855][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2268.870855][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.870855][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.870855][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.870855][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.870855][T16070] [ 2268.873112][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.873112][T16070] dst_init+0x84/0x4a0 [ 2268.873112][T16070] dst_alloc+0x97/0x150 [ 2268.873112][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.873112][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.873112][T16070] ip6_pol_route+0x56f/0x840 [ 2268.873112][T16070] fib6_rule_lookup+0x334/0x630 [ 2268.873112][T16070] ip6_route_output_flags+0x259/0x480 [ 2268.873112][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2268.873112][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2268.873112][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2268.873112][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2268.873112][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2268.873112][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2268.873112][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2268.873112][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2268.873112][T16070] ip6_input_finish+0x120/0x260 [ 2268.873112][T16070] [ 2268.875406][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.875406][T16070] dst_init+0x84/0x4a0 [ 2268.875406][T16070] dst_alloc+0x97/0x150 [ 2268.875406][T16070] ip6_dst_alloc+0x23/0x90 [ 2268.875406][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2268.875406][T16070] ip6_pol_route+0x56f/0x840 [ 2268.875406][T16070] fib6_rule_lookup+0x456/0x630 [ 2268.875406][T16070] ip6_route_input+0x59c/0xa50 [ 2268.875406][T16070] ipv6_rcv+0x397/0x810 [ 2268.875406][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2268.875406][T16070] process_backlog+0x101/0x620 [ 2268.875406][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2268.875406][T16070] net_rx_action+0x495/0xbe0 [ 2268.875406][T16070] __do_softirq+0x1b5/0x7f6 [ 2268.875406][T16070] [ 2268.877236][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.877236][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.877236][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.877236][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.877236][T16070] ip6_route_add+0x1c/0x140 [ 2268.877236][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2268.877236][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2268.877236][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2268.877236][T16070] addrconf_dad_begin+0x310/0x670 [ 2268.877236][T16070] addrconf_dad_work+0x10b/0xab0 [ 2268.877236][T16070] process_one_work+0x84d/0x18a0 [ 2268.877236][T16070] worker_thread+0x587/0xd30 [ 2268.877236][T16070] kthread+0x28a/0x350 [ 2268.877236][T16070] ret_from_fork+0x31/0x70 [ 2268.877236][T16070] ret_from_fork_asm+0x1a/0x30 [ 2268.877236][T16070] [ 2268.879469][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.879469][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.879469][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.879469][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.879469][T16070] ip6_route_add+0x1c/0x140 [ 2268.879469][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2268.879469][T16070] inet6_addr_add+0x4f8/0xa40 [ 2268.879469][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.879469][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.879469][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.879469][T16070] netlink_unicast+0x449/0x710 [ 2268.879469][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.879469][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.879469][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.879469][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.879469][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.879469][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.879469][T16070] [ 2268.882027][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.882027][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.882027][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.882027][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.882027][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2268.882027][T16070] ipv6_add_addr+0x411/0x2000 [ 2268.882027][T16070] inet6_addr_add+0x30e/0xa40 [ 2268.882027][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.882027][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.882027][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.882027][T16070] netlink_unicast+0x449/0x710 [ 2268.882027][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.882027][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.882027][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.882027][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.882027][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.882027][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.882027][T16070] [ 2268.884583][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.884583][T16070] netdev_get_by_index+0x5e/0x80 [ 2268.884583][T16070] fib6_nh_init+0x3d8/0x1580 [ 2268.884583][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2268.884583][T16070] ip6_route_add+0x1c/0x140 [ 2268.884583][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2268.884583][T16070] addrconf_add_dev+0xe2/0x170 [ 2268.884583][T16070] inet6_addr_add+0x12f/0xa40 [ 2268.884583][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2268.884583][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.884583][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.884583][T16070] netlink_unicast+0x449/0x710 [ 2268.884583][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.884583][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.884583][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.884583][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.884583][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.884583][T16070] [ 2268.887134][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.887134][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2268.887134][T16070] ipv6_find_idev+0x102/0x170 [ 2268.887134][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.887134][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.887134][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.887134][T16070] netlink_unicast+0x449/0x710 [ 2268.887134][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.887134][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.887134][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.887134][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.887134][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.887134][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.887134][T16070] [ 2268.889168][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2268.889168][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2268.889168][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2268.889168][T16070] ipv6_find_idev+0x102/0x170 [ 2268.889168][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2268.889168][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2268.889168][T16070] netlink_rcv_skb+0x130/0x360 [ 2268.889168][T16070] netlink_unicast+0x449/0x710 [ 2268.889168][T16070] netlink_sendmsg+0x723/0xbe0 [ 2268.889168][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2268.889168][T16070] ___sys_sendmsg+0xee/0x170 [ 2268.889168][T16070] __sys_sendmsg+0xcd/0x170 [ 2268.889168][T16070] do_syscall_64+0xc6/0x1e0 [ 2268.889168][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2268.889168][T16070] [ 2276.920927][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2276.921361][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.921361][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.921361][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.921361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.921361][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2276.921361][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2276.921361][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2276.921361][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2276.921361][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2276.921361][ T74] addrconf_dad_begin+0x310/0x670 [ 2276.921361][ T74] addrconf_dad_work+0x10b/0xab0 [ 2276.921361][ T74] process_one_work+0x84d/0x18a0 [ 2276.921361][ T74] worker_thread+0x587/0xd30 [ 2276.921361][ T74] kthread+0x28a/0x350 [ 2276.921361][ T74] ret_from_fork+0x31/0x70 [ 2276.921361][ T74] ret_from_fork_asm+0x1a/0x30 [ 2276.921361][ T74] [ 2276.923320][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.923320][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.923320][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.923320][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.923320][ T74] ip6_route_add+0x1c/0x140 [ 2276.923320][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2276.923320][ T74] inet6_addr_add+0x4f8/0xa40 [ 2276.923320][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.923320][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.923320][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.923320][ T74] netlink_unicast+0x449/0x710 [ 2276.923320][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.923320][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.923320][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.923320][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.923320][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.923320][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.923320][ T74] [ 2276.925318][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.925318][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.925318][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.925318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.925318][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2276.925318][ T74] ipv6_add_addr+0x411/0x2000 [ 2276.925318][ T74] inet6_addr_add+0x30e/0xa40 [ 2276.925318][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.925318][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.925318][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.925318][ T74] netlink_unicast+0x449/0x710 [ 2276.925318][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.925318][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.925318][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.925318][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.925318][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.925318][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.925318][ T74] [ 2276.927317][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.927317][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.927317][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.927317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.927317][ T74] ip6_route_add+0x1c/0x140 [ 2276.927317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2276.927317][ T74] addrconf_add_dev+0xe2/0x170 [ 2276.927317][ T74] inet6_addr_add+0x12f/0xa40 [ 2276.927317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.927317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.927317][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.927317][ T74] netlink_unicast+0x449/0x710 [ 2276.927317][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.927317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.927317][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.927317][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.927317][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.927317][ T74] [ 2276.929441][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.929441][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2276.929441][ T74] ipv6_find_idev+0x102/0x170 [ 2276.929441][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.929441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.929441][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.929441][ T74] netlink_unicast+0x449/0x710 [ 2276.929441][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.929441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.929441][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.929441][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.929441][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.929441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.929441][ T74] [ 2276.930992][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2276.930992][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2276.930992][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2276.930992][ T74] ipv6_find_idev+0x102/0x170 [ 2276.930992][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.930992][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.930992][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.930992][ T74] netlink_unicast+0x449/0x710 [ 2276.930992][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.930992][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.930992][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.930992][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.930992][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.930992][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.930992][ T74] [ 2276.932709][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2276.932970][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.932970][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.932970][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.932970][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.932970][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2276.932970][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2276.932970][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2276.932970][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2276.932970][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2276.932970][ T74] addrconf_dad_begin+0x310/0x670 [ 2276.932970][ T74] addrconf_dad_work+0x10b/0xab0 [ 2276.932970][ T74] process_one_work+0x84d/0x18a0 [ 2276.932970][ T74] worker_thread+0x587/0xd30 [ 2276.932970][ T74] kthread+0x28a/0x350 [ 2276.932970][ T74] ret_from_fork+0x31/0x70 [ 2276.932970][ T74] ret_from_fork_asm+0x1a/0x30 [ 2276.932970][ T74] [ 2276.934876][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.934876][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.934876][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.934876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.934876][ T74] ip6_route_add+0x1c/0x140 [ 2276.934876][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2276.934876][ T74] inet6_addr_add+0x4f8/0xa40 [ 2276.934876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.934876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.934876][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.934876][ T74] netlink_unicast+0x449/0x710 [ 2276.934876][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.934876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.934876][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.934876][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.934876][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.934876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.934876][ T74] [ 2276.936892][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.936892][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.936892][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.936892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.936892][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2276.936892][ T74] ipv6_add_addr+0x411/0x2000 [ 2276.936892][ T74] inet6_addr_add+0x30e/0xa40 [ 2276.936892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.936892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.936892][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.936892][ T74] netlink_unicast+0x449/0x710 [ 2276.936892][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.936892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.936892][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.936892][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.936892][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.936892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.936892][ T74] [ 2276.938886][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.938886][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.938886][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.938886][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.938886][ T74] ip6_route_add+0x1c/0x140 [ 2276.938886][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2276.938886][ T74] addrconf_add_dev+0xe2/0x170 [ 2276.938886][ T74] inet6_addr_add+0x12f/0xa40 [ 2276.938886][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.938886][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.938886][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.938886][ T74] netlink_unicast+0x449/0x710 [ 2276.938886][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.938886][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.938886][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.938886][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.938886][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.938886][ T74] [ 2276.940870][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.940870][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2276.940870][ T74] ipv6_find_idev+0x102/0x170 [ 2276.940870][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.940870][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.940870][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.940870][ T74] netlink_unicast+0x449/0x710 [ 2276.940870][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.940870][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.940870][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.940870][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.940870][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.940870][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.940870][ T74] [ 2276.942419][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2276.942419][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2276.942419][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2276.942419][ T74] ipv6_find_idev+0x102/0x170 [ 2276.942419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.942419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.942419][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.942419][ T74] netlink_unicast+0x449/0x710 [ 2276.942419][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.942419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.942419][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.942419][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.942419][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.942419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.942419][ T74] [ 2276.944108][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2276.944348][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.944348][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.944348][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.944348][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.944348][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2276.944348][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2276.944348][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2276.944348][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2276.944348][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2276.944348][ T74] addrconf_dad_begin+0x310/0x670 [ 2276.944348][ T74] addrconf_dad_work+0x10b/0xab0 [ 2276.944348][ T74] process_one_work+0x84d/0x18a0 [ 2276.944348][ T74] worker_thread+0x587/0xd30 [ 2276.944348][ T74] kthread+0x28a/0x350 [ 2276.944348][ T74] ret_from_fork+0x31/0x70 [ 2276.944348][ T74] ret_from_fork_asm+0x1a/0x30 [ 2276.944348][ T74] [ 2276.946260][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.946260][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.946260][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.946260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.946260][ T74] ip6_route_add+0x1c/0x140 [ 2276.946260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2276.946260][ T74] inet6_addr_add+0x4f8/0xa40 [ 2276.946260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.946260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.946260][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.946260][ T74] netlink_unicast+0x449/0x710 [ 2276.946260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.946260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.946260][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.946260][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.946260][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.946260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.946260][ T74] [ 2276.948347][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.948347][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.948347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.948347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.948347][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2276.948347][ T74] ipv6_add_addr+0x411/0x2000 [ 2276.948347][ T74] inet6_addr_add+0x30e/0xa40 [ 2276.948347][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.948347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.948347][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.948347][ T74] netlink_unicast+0x449/0x710 [ 2276.948347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.948347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.948347][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.948347][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.948347][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.948347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.948347][ T74] [ 2276.950520][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.950520][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.950520][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.950520][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.950520][ T74] ip6_route_add+0x1c/0x140 [ 2276.950520][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2276.950520][ T74] addrconf_add_dev+0xe2/0x170 [ 2276.950520][ T74] inet6_addr_add+0x12f/0xa40 [ 2276.950520][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.950520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.950520][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.950520][ T74] netlink_unicast+0x449/0x710 [ 2276.950520][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.950520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.950520][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.950520][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.950520][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.950520][ T74] [ 2276.952592][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.952592][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2276.952592][ T74] ipv6_find_idev+0x102/0x170 [ 2276.952592][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.952592][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.952592][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.952592][ T74] netlink_unicast+0x449/0x710 [ 2276.952592][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.952592][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.952592][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.952592][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.952592][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.952592][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.952592][ T74] [ 2276.954215][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2276.954215][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2276.954215][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2276.954215][ T74] ipv6_find_idev+0x102/0x170 [ 2276.954215][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.954215][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.954215][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.954215][ T74] netlink_unicast+0x449/0x710 [ 2276.954215][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.954215][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.954215][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.954215][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.954215][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.954215][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.954215][ T74] [ 2276.956377][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2276.956613][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.956613][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.956613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.956613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.956613][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2276.956613][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2276.956613][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2276.956613][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2276.956613][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2276.956613][ T74] addrconf_dad_begin+0x310/0x670 [ 2276.956613][ T74] addrconf_dad_work+0x10b/0xab0 [ 2276.956613][ T74] process_one_work+0x84d/0x18a0 [ 2276.956613][ T74] worker_thread+0x587/0xd30 [ 2276.956613][ T74] kthread+0x28a/0x350 [ 2276.956613][ T74] ret_from_fork+0x31/0x70 [ 2276.956613][ T74] ret_from_fork_asm+0x1a/0x30 [ 2276.956613][ T74] [ 2276.958535][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.958535][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.958535][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.958535][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.958535][ T74] ip6_route_add+0x1c/0x140 [ 2276.958535][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2276.958535][ T74] inet6_addr_add+0x4f8/0xa40 [ 2276.958535][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.958535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.958535][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.958535][ T74] netlink_unicast+0x449/0x710 [ 2276.958535][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.958535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.958535][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.958535][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.958535][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.958535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.958535][ T74] [ 2276.960634][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.960634][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.960634][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.960634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.960634][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2276.960634][ T74] ipv6_add_addr+0x411/0x2000 [ 2276.960634][ T74] inet6_addr_add+0x30e/0xa40 [ 2276.960634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.960634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.960634][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.960634][ T74] netlink_unicast+0x449/0x710 [ 2276.960634][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.960634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.960634][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.960634][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.960634][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.960634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.960634][ T74] [ 2276.962723][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.962723][ T74] netdev_get_by_index+0x5e/0x80 [ 2276.962723][ T74] fib6_nh_init+0x3d8/0x1580 [ 2276.962723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2276.962723][ T74] ip6_route_add+0x1c/0x140 [ 2276.962723][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2276.962723][ T74] addrconf_add_dev+0xe2/0x170 [ 2276.962723][ T74] inet6_addr_add+0x12f/0xa40 [ 2276.962723][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2276.962723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.962723][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.962723][ T74] netlink_unicast+0x449/0x710 [ 2276.962723][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.962723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.962723][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.962723][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.962723][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.962723][ T74] [ 2276.964852][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.964852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2276.964852][ T74] ipv6_find_idev+0x102/0x170 [ 2276.964852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.964852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.964852][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.964852][ T74] netlink_unicast+0x449/0x710 [ 2276.964852][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.964852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.964852][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.964852][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.964852][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.964852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.964852][ T74] [ 2276.966479][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2276.966479][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2276.966479][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2276.966479][ T74] ipv6_find_idev+0x102/0x170 [ 2276.966479][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2276.966479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2276.966479][ T74] netlink_rcv_skb+0x130/0x360 [ 2276.966479][ T74] netlink_unicast+0x449/0x710 [ 2276.966479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2276.966479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2276.966479][ T74] ___sys_sendmsg+0xee/0x170 [ 2276.966479][ T74] __sys_sendmsg+0xcd/0x170 [ 2276.966479][ T74] do_syscall_64+0xc6/0x1e0 [ 2276.966479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2276.966479][ T74] [ 2278.992956][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2278.993627][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2278.993627][T16070] dst_init+0x84/0x4a0 [ 2278.993627][T16070] dst_alloc+0x97/0x150 [ 2278.993627][T16070] ip6_dst_alloc+0x23/0x90 [ 2278.993627][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.993627][T16070] ip6_pol_route+0x56f/0x840 [ 2278.993627][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2278.993627][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2278.993627][T16070] fib6_rule_lookup+0x182/0x630 [ 2278.993627][T16070] ip6_route_output_flags+0x259/0x480 [ 2278.993627][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2278.993627][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2278.993627][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2278.993627][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2278.993627][T16070] ip6_datagram_connect+0x2c/0x50 [ 2278.993627][T16070] __sys_connect+0x217/0x2a0 [ 2278.993627][T16070] __x64_sys_connect+0x72/0xb0 [ 2278.993627][T16070] [ 2278.995955][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2278.995955][T16070] dst_init+0x84/0x4a0 [ 2278.995955][T16070] dst_alloc+0x97/0x150 [ 2278.995955][T16070] ip6_dst_alloc+0x23/0x90 [ 2278.995955][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2278.995955][T16070] ip6_pol_route+0x56f/0x840 [ 2278.995955][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2278.995955][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2278.995955][T16070] fib6_rule_lookup+0x182/0x630 [ 2278.995955][T16070] ip6_route_output_flags+0x259/0x480 [ 2278.995955][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2278.995955][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2278.995955][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2278.995955][T16070] __inet_stream_connect+0x272/0x9f0 [ 2278.995955][T16070] inet_stream_connect+0x57/0xa0 [ 2278.995955][T16070] __sys_connect+0x217/0x2a0 [ 2278.995955][T16070] __x64_sys_connect+0x72/0xb0 [ 2278.995955][T16070] [ 2278.998221][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2278.998221][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2278.998221][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2278.998221][T16070] fib6_nh_init+0xa22/0x1580 [ 2278.998221][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2278.998221][T16070] ip6_route_add+0x1c/0x140 [ 2278.998221][T16070] inet6_rtm_newroute+0x104/0x110 [ 2278.998221][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2278.998221][T16070] netlink_rcv_skb+0x130/0x360 [ 2278.998221][T16070] netlink_unicast+0x449/0x710 [ 2278.998221][T16070] netlink_sendmsg+0x723/0xbe0 [ 2278.998221][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2278.998221][T16070] ___sys_sendmsg+0xee/0x170 [ 2278.998221][T16070] __sys_sendmsg+0xcd/0x170 [ 2278.998221][T16070] do_syscall_64+0xc6/0x1e0 [ 2278.998221][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2278.998221][T16070] [ 2279.000352][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.000352][T16070] dst_init+0x84/0x4a0 [ 2279.000352][T16070] dst_alloc+0x97/0x150 [ 2279.000352][T16070] ip6_dst_alloc+0x23/0x90 [ 2279.000352][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2279.000352][T16070] ip6_pol_route+0x56f/0x840 [ 2279.000352][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2279.000352][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2279.000352][T16070] fib6_rule_lookup+0x182/0x630 [ 2279.000352][T16070] ip6_route_input+0x59c/0xa50 [ 2279.000352][T16070] ipv6_rcv+0x397/0x810 [ 2279.000352][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2279.000352][T16070] process_backlog+0x101/0x620 [ 2279.000352][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2279.000352][T16070] net_rx_action+0x495/0xbe0 [ 2279.000352][T16070] __do_softirq+0x1b5/0x7f6 [ 2279.000352][T16070] [ 2279.002455][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.002455][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.002455][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.002455][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.002455][T16070] ip6_route_add+0x1c/0x140 [ 2279.002455][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2279.002455][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2279.002455][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2279.002455][T16070] addrconf_dad_begin+0x310/0x670 [ 2279.002455][T16070] addrconf_dad_work+0x10b/0xab0 [ 2279.002455][T16070] process_one_work+0x84d/0x18a0 [ 2279.002455][T16070] worker_thread+0x587/0xd30 [ 2279.002455][T16070] kthread+0x28a/0x350 [ 2279.002455][T16070] ret_from_fork+0x31/0x70 [ 2279.002455][T16070] ret_from_fork_asm+0x1a/0x30 [ 2279.002455][T16070] [ 2279.004478][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.004478][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.004478][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.004478][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.004478][T16070] ip6_route_add+0x1c/0x140 [ 2279.004478][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2279.004478][T16070] inet6_addr_add+0x4f8/0xa40 [ 2279.004478][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.004478][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.004478][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.004478][T16070] netlink_unicast+0x449/0x710 [ 2279.004478][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.004478][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.004478][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.004478][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.004478][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.004478][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.004478][T16070] [ 2279.006734][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.006734][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.006734][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.006734][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.006734][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2279.006734][T16070] ipv6_add_addr+0x411/0x2000 [ 2279.006734][T16070] inet6_addr_add+0x30e/0xa40 [ 2279.006734][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.006734][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.006734][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.006734][T16070] netlink_unicast+0x449/0x710 [ 2279.006734][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.006734][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.006734][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.006734][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.006734][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.006734][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.006734][T16070] [ 2279.009007][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.009007][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.009007][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.009007][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.009007][T16070] ip6_route_add+0x1c/0x140 [ 2279.009007][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2279.009007][T16070] addrconf_add_dev+0xe2/0x170 [ 2279.009007][T16070] inet6_addr_add+0x12f/0xa40 [ 2279.009007][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.009007][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.009007][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.009007][T16070] netlink_unicast+0x449/0x710 [ 2279.009007][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.009007][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.009007][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.009007][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.009007][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.009007][T16070] [ 2279.011227][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.011227][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2279.011227][T16070] ipv6_find_idev+0x102/0x170 [ 2279.011227][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2279.011227][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.011227][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.011227][T16070] netlink_unicast+0x449/0x710 [ 2279.011227][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.011227][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.011227][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.011227][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.011227][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.011227][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.011227][T16070] [ 2279.012965][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2279.012965][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2279.012965][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2279.012965][T16070] ipv6_find_idev+0x102/0x170 [ 2279.012965][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2279.012965][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.012965][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.012965][T16070] netlink_unicast+0x449/0x710 [ 2279.012965][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.012965][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.012965][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.012965][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.012965][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.012965][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.012965][T16070] [ 2279.014879][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2279.015190][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2279.015190][T16070] dst_init+0x84/0x4a0 [ 2279.015190][T16070] dst_alloc+0x97/0x150 [ 2279.015190][T16070] ip6_dst_alloc+0x23/0x90 [ 2279.015190][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2279.015190][T16070] ip6_pol_route+0x56f/0x840 [ 2279.015190][T16070] fib6_rule_lookup+0x334/0x630 [ 2279.015190][T16070] ip6_route_output_flags+0x259/0x480 [ 2279.015190][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2279.015190][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2279.015190][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2279.015190][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2279.015190][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2279.015190][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.015190][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.015190][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.015190][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.015190][T16070] [ 2279.017468][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.017468][T16070] dst_init+0x84/0x4a0 [ 2279.017468][T16070] dst_alloc+0x97/0x150 [ 2279.017468][T16070] ip6_dst_alloc+0x23/0x90 [ 2279.017468][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2279.017468][T16070] ip6_pol_route+0x56f/0x840 [ 2279.017468][T16070] fib6_rule_lookup+0x334/0x630 [ 2279.017468][T16070] ip6_route_output_flags+0x259/0x480 [ 2279.017468][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2279.017468][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2279.017468][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2279.017468][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2279.017468][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2279.017468][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2279.017468][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2279.017468][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2279.017468][T16070] ip6_input_finish+0x120/0x260 [ 2279.017468][T16070] [ 2279.019763][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.019763][T16070] dst_init+0x84/0x4a0 [ 2279.019763][T16070] dst_alloc+0x97/0x150 [ 2279.019763][T16070] ip6_dst_alloc+0x23/0x90 [ 2279.019763][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2279.019763][T16070] ip6_pol_route+0x56f/0x840 [ 2279.019763][T16070] fib6_rule_lookup+0x456/0x630 [ 2279.019763][T16070] ip6_route_input+0x59c/0xa50 [ 2279.019763][T16070] ipv6_rcv+0x397/0x810 [ 2279.019763][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2279.019763][T16070] process_backlog+0x101/0x620 [ 2279.019763][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2279.019763][T16070] net_rx_action+0x495/0xbe0 [ 2279.019763][T16070] __do_softirq+0x1b5/0x7f6 [ 2279.019763][T16070] [ 2279.021611][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.021611][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.021611][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.021611][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.021611][T16070] ip6_route_add+0x1c/0x140 [ 2279.021611][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2279.021611][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2279.021611][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2279.021611][T16070] addrconf_dad_begin+0x310/0x670 [ 2279.021611][T16070] addrconf_dad_work+0x10b/0xab0 [ 2279.021611][T16070] process_one_work+0x84d/0x18a0 [ 2279.021611][T16070] worker_thread+0x587/0xd30 [ 2279.021611][T16070] kthread+0x28a/0x350 [ 2279.021611][T16070] ret_from_fork+0x31/0x70 [ 2279.021611][T16070] ret_from_fork_asm+0x1a/0x30 [ 2279.021611][T16070] [ 2279.023860][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.023860][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.023860][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.023860][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.023860][T16070] ip6_route_add+0x1c/0x140 [ 2279.023860][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2279.023860][T16070] inet6_addr_add+0x4f8/0xa40 [ 2279.023860][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.023860][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.023860][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.023860][T16070] netlink_unicast+0x449/0x710 [ 2279.023860][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.023860][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.023860][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.023860][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.023860][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.023860][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.023860][T16070] [ 2279.026503][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.026503][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.026503][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.026503][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.026503][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2279.026503][T16070] ipv6_add_addr+0x411/0x2000 [ 2279.026503][T16070] inet6_addr_add+0x30e/0xa40 [ 2279.026503][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.026503][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.026503][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.026503][T16070] netlink_unicast+0x449/0x710 [ 2279.026503][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.026503][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.026503][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.026503][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.026503][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.026503][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.026503][T16070] [ 2279.029072][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.029072][T16070] netdev_get_by_index+0x5e/0x80 [ 2279.029072][T16070] fib6_nh_init+0x3d8/0x1580 [ 2279.029072][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2279.029072][T16070] ip6_route_add+0x1c/0x140 [ 2279.029072][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2279.029072][T16070] addrconf_add_dev+0xe2/0x170 [ 2279.029072][T16070] inet6_addr_add+0x12f/0xa40 [ 2279.029072][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2279.029072][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.029072][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.029072][T16070] netlink_unicast+0x449/0x710 [ 2279.029072][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.029072][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.029072][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.029072][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.029072][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.029072][T16070] [ 2279.031620][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.031620][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2279.031620][T16070] ipv6_find_idev+0x102/0x170 [ 2279.031620][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2279.031620][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.031620][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.031620][T16070] netlink_unicast+0x449/0x710 [ 2279.031620][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.031620][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.031620][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.031620][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.031620][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.031620][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.031620][T16070] [ 2279.033591][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2279.033591][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2279.033591][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2279.033591][T16070] ipv6_find_idev+0x102/0x170 [ 2279.033591][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2279.033591][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2279.033591][T16070] netlink_rcv_skb+0x130/0x360 [ 2279.033591][T16070] netlink_unicast+0x449/0x710 [ 2279.033591][T16070] netlink_sendmsg+0x723/0xbe0 [ 2279.033591][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2279.033591][T16070] ___sys_sendmsg+0xee/0x170 [ 2279.033591][T16070] __sys_sendmsg+0xcd/0x170 [ 2279.033591][T16070] do_syscall_64+0xc6/0x1e0 [ 2279.033591][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2279.033591][T16070] [ 2287.192943][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2287.193339][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.193339][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.193339][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.193339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.193339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.193339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.193339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.193339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.193339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.193339][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.193339][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.193339][ T74] process_one_work+0x84d/0x18a0 [ 2287.193339][ T74] worker_thread+0x587/0xd30 [ 2287.193339][ T74] kthread+0x28a/0x350 [ 2287.193339][ T74] ret_from_fork+0x31/0x70 [ 2287.193339][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.193339][ T74] [ 2287.195274][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.195274][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.195274][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.195274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.195274][ T74] ip6_route_add+0x1c/0x140 [ 2287.195274][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.195274][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.195274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.195274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.195274][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.195274][ T74] netlink_unicast+0x449/0x710 [ 2287.195274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.195274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.195274][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.195274][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.195274][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.195274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.195274][ T74] [ 2287.197270][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.197270][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.197270][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.197270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.197270][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.197270][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.197270][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.197270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.197270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.197270][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.197270][ T74] netlink_unicast+0x449/0x710 [ 2287.197270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.197270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.197270][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.197270][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.197270][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.197270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.197270][ T74] [ 2287.199261][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.199261][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.199261][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.199261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.199261][ T74] ip6_route_add+0x1c/0x140 [ 2287.199261][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.199261][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.199261][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.199261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.199261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.199261][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.199261][ T74] netlink_unicast+0x449/0x710 [ 2287.199261][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.199261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.199261][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.199261][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.199261][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.199261][ T74] [ 2287.201233][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.201233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.201233][ T74] ipv6_find_idev+0x102/0x170 [ 2287.201233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.201233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.201233][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.201233][ T74] netlink_unicast+0x449/0x710 [ 2287.201233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.201233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.201233][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.201233][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.201233][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.201233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.201233][ T74] [ 2287.202769][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2287.202769][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.202769][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.202769][ T74] ipv6_find_idev+0x102/0x170 [ 2287.202769][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.202769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.202769][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.202769][ T74] netlink_unicast+0x449/0x710 [ 2287.202769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.202769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.202769][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.202769][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.202769][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.202769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.202769][ T74] [ 2287.204450][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2287.204691][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.204691][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.204691][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.204691][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.204691][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.204691][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.204691][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.204691][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.204691][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.204691][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.204691][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.204691][ T74] process_one_work+0x84d/0x18a0 [ 2287.204691][ T74] worker_thread+0x587/0xd30 [ 2287.204691][ T74] kthread+0x28a/0x350 [ 2287.204691][ T74] ret_from_fork+0x31/0x70 [ 2287.204691][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.204691][ T74] [ 2287.206591][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.206591][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.206591][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.206591][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.206591][ T74] ip6_route_add+0x1c/0x140 [ 2287.206591][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.206591][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.206591][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.206591][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.206591][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.206591][ T74] netlink_unicast+0x449/0x710 [ 2287.206591][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.206591][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.206591][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.206591][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.206591][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.206591][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.206591][ T74] [ 2287.208583][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.208583][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.208583][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.208583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.208583][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.208583][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.208583][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.208583][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.208583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.208583][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.208583][ T74] netlink_unicast+0x449/0x710 [ 2287.208583][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.208583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.208583][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.208583][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.208583][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.208583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.208583][ T74] [ 2287.210565][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.210565][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.210565][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.210565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.210565][ T74] ip6_route_add+0x1c/0x140 [ 2287.210565][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.210565][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.210565][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.210565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.210565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.210565][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.210565][ T74] netlink_unicast+0x449/0x710 [ 2287.210565][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.210565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.210565][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.210565][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.210565][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.210565][ T74] [ 2287.212520][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.212520][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.212520][ T74] ipv6_find_idev+0x102/0x170 [ 2287.212520][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.212520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.212520][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.212520][ T74] netlink_unicast+0x449/0x710 [ 2287.212520][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.212520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.212520][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.212520][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.212520][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.212520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.212520][ T74] [ 2287.214052][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2287.214052][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.214052][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.214052][ T74] ipv6_find_idev+0x102/0x170 [ 2287.214052][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.214052][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.214052][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.214052][ T74] netlink_unicast+0x449/0x710 [ 2287.214052][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.214052][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.214052][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.214052][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.214052][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.214052][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.214052][ T74] [ 2287.215742][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2287.215994][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.215994][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.215994][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.215994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.215994][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.215994][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.215994][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.215994][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.215994][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.215994][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.215994][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.215994][ T74] process_one_work+0x84d/0x18a0 [ 2287.215994][ T74] worker_thread+0x587/0xd30 [ 2287.215994][ T74] kthread+0x28a/0x350 [ 2287.215994][ T74] ret_from_fork+0x31/0x70 [ 2287.215994][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.215994][ T74] [ 2287.217888][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.217888][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.217888][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.217888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.217888][ T74] ip6_route_add+0x1c/0x140 [ 2287.217888][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.217888][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.217888][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.217888][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.217888][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.217888][ T74] netlink_unicast+0x449/0x710 [ 2287.217888][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.217888][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.217888][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.217888][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.217888][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.217888][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.217888][ T74] [ 2287.220063][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.220063][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.220063][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.220063][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.220063][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.220063][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.220063][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.220063][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.220063][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.220063][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.220063][ T74] netlink_unicast+0x449/0x710 [ 2287.220063][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.220063][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.220063][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.220063][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.220063][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.220063][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.220063][ T74] [ 2287.222314][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.222314][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.222314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.222314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.222314][ T74] ip6_route_add+0x1c/0x140 [ 2287.222314][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.222314][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.222314][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.222314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.222314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.222314][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.222314][ T74] netlink_unicast+0x449/0x710 [ 2287.222314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.222314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.222314][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.222314][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.222314][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.222314][ T74] [ 2287.224697][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.224697][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.224697][ T74] ipv6_find_idev+0x102/0x170 [ 2287.224697][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.224697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.224697][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.224697][ T74] netlink_unicast+0x449/0x710 [ 2287.224697][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.224697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.224697][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.224697][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.224697][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.224697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.224697][ T74] [ 2287.226406][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2287.226406][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.226406][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.226406][ T74] ipv6_find_idev+0x102/0x170 [ 2287.226406][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.226406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.226406][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.226406][ T74] netlink_unicast+0x449/0x710 [ 2287.226406][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.226406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.226406][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.226406][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.226406][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.226406][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.226406][ T74] [ 2287.228286][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2287.228583][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.228583][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.228583][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.228583][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.228583][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2287.228583][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2287.228583][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2287.228583][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2287.228583][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2287.228583][ T74] addrconf_dad_begin+0x310/0x670 [ 2287.228583][ T74] addrconf_dad_work+0x10b/0xab0 [ 2287.228583][ T74] process_one_work+0x84d/0x18a0 [ 2287.228583][ T74] worker_thread+0x587/0xd30 [ 2287.228583][ T74] kthread+0x28a/0x350 [ 2287.228583][ T74] ret_from_fork+0x31/0x70 [ 2287.228583][ T74] ret_from_fork_asm+0x1a/0x30 [ 2287.228583][ T74] [ 2287.230666][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.230666][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.230666][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.230666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.230666][ T74] ip6_route_add+0x1c/0x140 [ 2287.230666][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2287.230666][ T74] inet6_addr_add+0x4f8/0xa40 [ 2287.230666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.230666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.230666][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.230666][ T74] netlink_unicast+0x449/0x710 [ 2287.230666][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.230666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.230666][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.230666][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.230666][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.230666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.230666][ T74] [ 2287.232978][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.232978][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.232978][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.232978][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.232978][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2287.232978][ T74] ipv6_add_addr+0x411/0x2000 [ 2287.232978][ T74] inet6_addr_add+0x30e/0xa40 [ 2287.232978][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.232978][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.232978][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.232978][ T74] netlink_unicast+0x449/0x710 [ 2287.232978][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.232978][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.232978][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.232978][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.232978][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.232978][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.232978][ T74] [ 2287.235221][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.235221][ T74] netdev_get_by_index+0x5e/0x80 [ 2287.235221][ T74] fib6_nh_init+0x3d8/0x1580 [ 2287.235221][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2287.235221][ T74] ip6_route_add+0x1c/0x140 [ 2287.235221][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2287.235221][ T74] addrconf_add_dev+0xe2/0x170 [ 2287.235221][ T74] inet6_addr_add+0x12f/0xa40 [ 2287.235221][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2287.235221][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.235221][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.235221][ T74] netlink_unicast+0x449/0x710 [ 2287.235221][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.235221][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.235221][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.235221][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.235221][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.235221][ T74] [ 2287.237419][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.237419][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2287.237419][ T74] ipv6_find_idev+0x102/0x170 [ 2287.237419][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.237419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.237419][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.237419][ T74] netlink_unicast+0x449/0x710 [ 2287.237419][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.237419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.237419][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.237419][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.237419][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.237419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.237419][ T74] [ 2287.239140][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2287.239140][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2287.239140][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2287.239140][ T74] ipv6_find_idev+0x102/0x170 [ 2287.239140][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2287.239140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2287.239140][ T74] netlink_rcv_skb+0x130/0x360 [ 2287.239140][ T74] netlink_unicast+0x449/0x710 [ 2287.239140][ T74] netlink_sendmsg+0x723/0xbe0 [ 2287.239140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2287.239140][ T74] ___sys_sendmsg+0xee/0x170 [ 2287.239140][ T74] __sys_sendmsg+0xcd/0x170 [ 2287.239140][ T74] do_syscall_64+0xc6/0x1e0 [ 2287.239140][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2287.239140][ T74] [ 2289.121012][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2289.121406][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2289.121406][T16070] dst_init+0x84/0x4a0 [ 2289.121406][T16070] dst_alloc+0x97/0x150 [ 2289.121406][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.121406][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.121406][T16070] ip6_pol_route+0x56f/0x840 [ 2289.121406][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2289.121406][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2289.121406][T16070] fib6_rule_lookup+0x182/0x630 [ 2289.121406][T16070] ip6_route_output_flags+0x259/0x480 [ 2289.121406][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2289.121406][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2289.121406][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2289.121406][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2289.121406][T16070] ip6_datagram_connect+0x2c/0x50 [ 2289.121406][T16070] __sys_connect+0x217/0x2a0 [ 2289.121406][T16070] __x64_sys_connect+0x72/0xb0 [ 2289.121406][T16070] [ 2289.123821][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2289.123821][T16070] dst_init+0x84/0x4a0 [ 2289.123821][T16070] dst_alloc+0x97/0x150 [ 2289.123821][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.123821][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.123821][T16070] ip6_pol_route+0x56f/0x840 [ 2289.123821][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2289.123821][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2289.123821][T16070] fib6_rule_lookup+0x182/0x630 [ 2289.123821][T16070] ip6_route_output_flags+0x259/0x480 [ 2289.123821][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2289.123821][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2289.123821][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2289.123821][T16070] __inet_stream_connect+0x272/0x9f0 [ 2289.123821][T16070] inet_stream_connect+0x57/0xa0 [ 2289.123821][T16070] __sys_connect+0x217/0x2a0 [ 2289.123821][T16070] __x64_sys_connect+0x72/0xb0 [ 2289.123821][T16070] [ 2289.126097][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.126097][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2289.126097][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2289.126097][T16070] fib6_nh_init+0xa22/0x1580 [ 2289.126097][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.126097][T16070] ip6_route_add+0x1c/0x140 [ 2289.126097][T16070] inet6_rtm_newroute+0x104/0x110 [ 2289.126097][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.126097][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.126097][T16070] netlink_unicast+0x449/0x710 [ 2289.126097][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.126097][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.126097][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.126097][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.126097][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.126097][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.126097][T16070] [ 2289.128221][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.128221][T16070] dst_init+0x84/0x4a0 [ 2289.128221][T16070] dst_alloc+0x97/0x150 [ 2289.128221][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.128221][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.128221][T16070] ip6_pol_route+0x56f/0x840 [ 2289.128221][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2289.128221][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2289.128221][T16070] fib6_rule_lookup+0x182/0x630 [ 2289.128221][T16070] ip6_route_input+0x59c/0xa50 [ 2289.128221][T16070] ipv6_rcv+0x397/0x810 [ 2289.128221][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2289.128221][T16070] process_backlog+0x101/0x620 [ 2289.128221][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2289.128221][T16070] net_rx_action+0x495/0xbe0 [ 2289.128221][T16070] __do_softirq+0x1b5/0x7f6 [ 2289.128221][T16070] [ 2289.130309][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.130309][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.130309][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.130309][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.130309][T16070] ip6_route_add+0x1c/0x140 [ 2289.130309][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2289.130309][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2289.130309][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2289.130309][T16070] addrconf_dad_begin+0x310/0x670 [ 2289.130309][T16070] addrconf_dad_work+0x10b/0xab0 [ 2289.130309][T16070] process_one_work+0x84d/0x18a0 [ 2289.130309][T16070] worker_thread+0x587/0xd30 [ 2289.130309][T16070] kthread+0x28a/0x350 [ 2289.130309][T16070] ret_from_fork+0x31/0x70 [ 2289.130309][T16070] ret_from_fork_asm+0x1a/0x30 [ 2289.130309][T16070] [ 2289.132341][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.132341][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.132341][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.132341][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.132341][T16070] ip6_route_add+0x1c/0x140 [ 2289.132341][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2289.132341][T16070] inet6_addr_add+0x4f8/0xa40 [ 2289.132341][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.132341][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.132341][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.132341][T16070] netlink_unicast+0x449/0x710 [ 2289.132341][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.132341][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.132341][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.132341][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.132341][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.132341][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.132341][T16070] [ 2289.134604][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.134604][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.134604][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.134604][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.134604][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2289.134604][T16070] ipv6_add_addr+0x411/0x2000 [ 2289.134604][T16070] inet6_addr_add+0x30e/0xa40 [ 2289.134604][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.134604][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.134604][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.134604][T16070] netlink_unicast+0x449/0x710 [ 2289.134604][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.134604][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.134604][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.134604][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.134604][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.134604][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.134604][T16070] [ 2289.136877][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.136877][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.136877][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.136877][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.136877][T16070] ip6_route_add+0x1c/0x140 [ 2289.136877][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2289.136877][T16070] addrconf_add_dev+0xe2/0x170 [ 2289.136877][T16070] inet6_addr_add+0x12f/0xa40 [ 2289.136877][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.136877][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.136877][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.136877][T16070] netlink_unicast+0x449/0x710 [ 2289.136877][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.136877][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.136877][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.136877][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.136877][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.136877][T16070] [ 2289.139103][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.139103][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2289.139103][T16070] ipv6_find_idev+0x102/0x170 [ 2289.139103][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2289.139103][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.139103][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.139103][T16070] netlink_unicast+0x449/0x710 [ 2289.139103][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.139103][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.139103][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.139103][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.139103][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.139103][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.139103][T16070] [ 2289.140854][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2289.140854][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2289.140854][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2289.140854][T16070] ipv6_find_idev+0x102/0x170 [ 2289.140854][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2289.140854][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.140854][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.140854][T16070] netlink_unicast+0x449/0x710 [ 2289.140854][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.140854][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.140854][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.140854][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.140854][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.140854][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.140854][T16070] [ 2289.142820][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2289.143128][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2289.143128][T16070] dst_init+0x84/0x4a0 [ 2289.143128][T16070] dst_alloc+0x97/0x150 [ 2289.143128][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.143128][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.143128][T16070] ip6_pol_route+0x56f/0x840 [ 2289.143128][T16070] fib6_rule_lookup+0x334/0x630 [ 2289.143128][T16070] ip6_route_output_flags+0x259/0x480 [ 2289.143128][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2289.143128][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2289.143128][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2289.143128][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2289.143128][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2289.143128][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.143128][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.143128][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.143128][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.143128][T16070] [ 2289.145416][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.145416][T16070] dst_init+0x84/0x4a0 [ 2289.145416][T16070] dst_alloc+0x97/0x150 [ 2289.145416][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.145416][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.145416][T16070] ip6_pol_route+0x56f/0x840 [ 2289.145416][T16070] fib6_rule_lookup+0x334/0x630 [ 2289.145416][T16070] ip6_route_output_flags+0x259/0x480 [ 2289.145416][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2289.145416][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2289.145416][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2289.145416][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2289.145416][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2289.145416][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2289.145416][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2289.145416][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2289.145416][T16070] ip6_input_finish+0x120/0x260 [ 2289.145416][T16070] [ 2289.147720][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.147720][T16070] dst_init+0x84/0x4a0 [ 2289.147720][T16070] dst_alloc+0x97/0x150 [ 2289.147720][T16070] ip6_dst_alloc+0x23/0x90 [ 2289.147720][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2289.147720][T16070] ip6_pol_route+0x56f/0x840 [ 2289.147720][T16070] fib6_rule_lookup+0x456/0x630 [ 2289.147720][T16070] ip6_route_input+0x59c/0xa50 [ 2289.147720][T16070] ipv6_rcv+0x397/0x810 [ 2289.147720][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2289.147720][T16070] process_backlog+0x101/0x620 [ 2289.147720][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2289.147720][T16070] net_rx_action+0x495/0xbe0 [ 2289.147720][T16070] __do_softirq+0x1b5/0x7f6 [ 2289.147720][T16070] [ 2289.149586][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.149586][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.149586][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.149586][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.149586][T16070] ip6_route_add+0x1c/0x140 [ 2289.149586][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2289.149586][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2289.149586][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2289.149586][T16070] addrconf_dad_begin+0x310/0x670 [ 2289.149586][T16070] addrconf_dad_work+0x10b/0xab0 [ 2289.149586][T16070] process_one_work+0x84d/0x18a0 [ 2289.149586][T16070] worker_thread+0x587/0xd30 [ 2289.149586][T16070] kthread+0x28a/0x350 [ 2289.149586][T16070] ret_from_fork+0x31/0x70 [ 2289.149586][T16070] ret_from_fork_asm+0x1a/0x30 [ 2289.149586][T16070] [ 2289.151846][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.151846][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.151846][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.151846][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.151846][T16070] ip6_route_add+0x1c/0x140 [ 2289.151846][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2289.151846][T16070] inet6_addr_add+0x4f8/0xa40 [ 2289.151846][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.151846][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.151846][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.151846][T16070] netlink_unicast+0x449/0x710 [ 2289.151846][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.151846][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.151846][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.151846][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.151846][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.151846][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.151846][T16070] [ 2289.154498][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.154498][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.154498][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.154498][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.154498][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2289.154498][T16070] ipv6_add_addr+0x411/0x2000 [ 2289.154498][T16070] inet6_addr_add+0x30e/0xa40 [ 2289.154498][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.154498][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.154498][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.154498][T16070] netlink_unicast+0x449/0x710 [ 2289.154498][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.154498][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.154498][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.154498][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.154498][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.154498][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.154498][T16070] [ 2289.157069][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.157069][T16070] netdev_get_by_index+0x5e/0x80 [ 2289.157069][T16070] fib6_nh_init+0x3d8/0x1580 [ 2289.157069][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2289.157069][T16070] ip6_route_add+0x1c/0x140 [ 2289.157069][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2289.157069][T16070] addrconf_add_dev+0xe2/0x170 [ 2289.157069][T16070] inet6_addr_add+0x12f/0xa40 [ 2289.157069][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2289.157069][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.157069][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.157069][T16070] netlink_unicast+0x449/0x710 [ 2289.157069][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.157069][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.157069][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.157069][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.157069][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.157069][T16070] [ 2289.159611][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.159611][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2289.159611][T16070] ipv6_find_idev+0x102/0x170 [ 2289.159611][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2289.159611][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.159611][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.159611][T16070] netlink_unicast+0x449/0x710 [ 2289.159611][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.159611][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.159611][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.159611][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.159611][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.159611][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.159611][T16070] [ 2289.161595][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2289.161595][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2289.161595][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2289.161595][T16070] ipv6_find_idev+0x102/0x170 [ 2289.161595][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2289.161595][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2289.161595][T16070] netlink_rcv_skb+0x130/0x360 [ 2289.161595][T16070] netlink_unicast+0x449/0x710 [ 2289.161595][T16070] netlink_sendmsg+0x723/0xbe0 [ 2289.161595][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2289.161595][T16070] ___sys_sendmsg+0xee/0x170 [ 2289.161595][T16070] __sys_sendmsg+0xcd/0x170 [ 2289.161595][T16070] do_syscall_64+0xc6/0x1e0 [ 2289.161595][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2289.161595][T16070] [ 2297.312957][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2297.313286][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.313286][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.313286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.313286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.313286][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2297.313286][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2297.313286][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2297.313286][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2297.313286][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2297.313286][ T74] addrconf_dad_begin+0x310/0x670 [ 2297.313286][ T74] addrconf_dad_work+0x10b/0xab0 [ 2297.313286][ T74] process_one_work+0x84d/0x18a0 [ 2297.313286][ T74] worker_thread+0x587/0xd30 [ 2297.313286][ T74] kthread+0x28a/0x350 [ 2297.313286][ T74] ret_from_fork+0x31/0x70 [ 2297.313286][ T74] ret_from_fork_asm+0x1a/0x30 [ 2297.313286][ T74] [ 2297.315308][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.315308][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.315308][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.315308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.315308][ T74] ip6_route_add+0x1c/0x140 [ 2297.315308][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2297.315308][ T74] inet6_addr_add+0x4f8/0xa40 [ 2297.315308][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.315308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.315308][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.315308][ T74] netlink_unicast+0x449/0x710 [ 2297.315308][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.315308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.315308][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.315308][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.315308][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.315308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.315308][ T74] [ 2297.317305][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.317305][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.317305][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.317305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.317305][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2297.317305][ T74] ipv6_add_addr+0x411/0x2000 [ 2297.317305][ T74] inet6_addr_add+0x30e/0xa40 [ 2297.317305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.317305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.317305][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.317305][ T74] netlink_unicast+0x449/0x710 [ 2297.317305][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.317305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.317305][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.317305][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.317305][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.317305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.317305][ T74] [ 2297.319296][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.319296][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.319296][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.319296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.319296][ T74] ip6_route_add+0x1c/0x140 [ 2297.319296][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2297.319296][ T74] addrconf_add_dev+0xe2/0x170 [ 2297.319296][ T74] inet6_addr_add+0x12f/0xa40 [ 2297.319296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.319296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.319296][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.319296][ T74] netlink_unicast+0x449/0x710 [ 2297.319296][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.319296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.319296][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.319296][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.319296][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.319296][ T74] [ 2297.321260][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.321260][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2297.321260][ T74] ipv6_find_idev+0x102/0x170 [ 2297.321260][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.321260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.321260][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.321260][ T74] netlink_unicast+0x449/0x710 [ 2297.321260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.321260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.321260][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.321260][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.321260][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.321260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.321260][ T74] [ 2297.322792][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2297.322792][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2297.322792][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2297.322792][ T74] ipv6_find_idev+0x102/0x170 [ 2297.322792][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.322792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.322792][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.322792][ T74] netlink_unicast+0x449/0x710 [ 2297.322792][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.322792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.322792][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.322792][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.322792][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.322792][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.322792][ T74] [ 2297.324465][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2297.324704][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.324704][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.324704][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.324704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.324704][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2297.324704][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2297.324704][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2297.324704][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2297.324704][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2297.324704][ T74] addrconf_dad_begin+0x310/0x670 [ 2297.324704][ T74] addrconf_dad_work+0x10b/0xab0 [ 2297.324704][ T74] process_one_work+0x84d/0x18a0 [ 2297.324704][ T74] worker_thread+0x587/0xd30 [ 2297.324704][ T74] kthread+0x28a/0x350 [ 2297.324704][ T74] ret_from_fork+0x31/0x70 [ 2297.324704][ T74] ret_from_fork_asm+0x1a/0x30 [ 2297.324704][ T74] [ 2297.326625][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.326625][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.326625][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.326625][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.326625][ T74] ip6_route_add+0x1c/0x140 [ 2297.326625][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2297.326625][ T74] inet6_addr_add+0x4f8/0xa40 [ 2297.326625][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.326625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.326625][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.326625][ T74] netlink_unicast+0x449/0x710 [ 2297.326625][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.326625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.326625][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.326625][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.326625][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.326625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.326625][ T74] [ 2297.328615][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.328615][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.328615][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.328615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.328615][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2297.328615][ T74] ipv6_add_addr+0x411/0x2000 [ 2297.328615][ T74] inet6_addr_add+0x30e/0xa40 [ 2297.328615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.328615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.328615][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.328615][ T74] netlink_unicast+0x449/0x710 [ 2297.328615][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.328615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.328615][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.328615][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.328615][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.328615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.328615][ T74] [ 2297.330598][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.330598][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.330598][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.330598][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.330598][ T74] ip6_route_add+0x1c/0x140 [ 2297.330598][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2297.330598][ T74] addrconf_add_dev+0xe2/0x170 [ 2297.330598][ T74] inet6_addr_add+0x12f/0xa40 [ 2297.330598][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.330598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.330598][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.330598][ T74] netlink_unicast+0x449/0x710 [ 2297.330598][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.330598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.330598][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.330598][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.330598][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.330598][ T74] [ 2297.332554][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.332554][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2297.332554][ T74] ipv6_find_idev+0x102/0x170 [ 2297.332554][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.332554][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.332554][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.332554][ T74] netlink_unicast+0x449/0x710 [ 2297.332554][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.332554][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.332554][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.332554][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.332554][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.332554][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.332554][ T74] [ 2297.334080][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2297.334080][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2297.334080][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2297.334080][ T74] ipv6_find_idev+0x102/0x170 [ 2297.334080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.334080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.334080][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.334080][ T74] netlink_unicast+0x449/0x710 [ 2297.334080][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.334080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.334080][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.334080][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.334080][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.334080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.334080][ T74] [ 2297.335759][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2297.336017][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.336017][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.336017][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.336017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.336017][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2297.336017][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2297.336017][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2297.336017][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2297.336017][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2297.336017][ T74] addrconf_dad_begin+0x310/0x670 [ 2297.336017][ T74] addrconf_dad_work+0x10b/0xab0 [ 2297.336017][ T74] process_one_work+0x84d/0x18a0 [ 2297.336017][ T74] worker_thread+0x587/0xd30 [ 2297.336017][ T74] kthread+0x28a/0x350 [ 2297.336017][ T74] ret_from_fork+0x31/0x70 [ 2297.336017][ T74] ret_from_fork_asm+0x1a/0x30 [ 2297.336017][ T74] [ 2297.337932][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.337932][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.337932][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.337932][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.337932][ T74] ip6_route_add+0x1c/0x140 [ 2297.337932][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2297.337932][ T74] inet6_addr_add+0x4f8/0xa40 [ 2297.337932][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.337932][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.337932][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.337932][ T74] netlink_unicast+0x449/0x710 [ 2297.337932][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.337932][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.337932][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.337932][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.337932][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.337932][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.337932][ T74] [ 2297.340113][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.340113][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.340113][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.340113][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.340113][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2297.340113][ T74] ipv6_add_addr+0x411/0x2000 [ 2297.340113][ T74] inet6_addr_add+0x30e/0xa40 [ 2297.340113][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.340113][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.340113][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.340113][ T74] netlink_unicast+0x449/0x710 [ 2297.340113][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.340113][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.340113][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.340113][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.340113][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.340113][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.340113][ T74] [ 2297.342355][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.342355][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.342355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.342355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.342355][ T74] ip6_route_add+0x1c/0x140 [ 2297.342355][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2297.342355][ T74] addrconf_add_dev+0xe2/0x170 [ 2297.342355][ T74] inet6_addr_add+0x12f/0xa40 [ 2297.342355][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.342355][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.342355][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.342355][ T74] netlink_unicast+0x449/0x710 [ 2297.342355][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.342355][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.342355][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.342355][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.342355][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.342355][ T74] [ 2297.344620][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.344620][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2297.344620][ T74] ipv6_find_idev+0x102/0x170 [ 2297.344620][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.344620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.344620][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.344620][ T74] netlink_unicast+0x449/0x710 [ 2297.344620][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.344620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.344620][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.344620][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.344620][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.344620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.344620][ T74] [ 2297.346329][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2297.346329][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2297.346329][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2297.346329][ T74] ipv6_find_idev+0x102/0x170 [ 2297.346329][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.346329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.346329][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.346329][ T74] netlink_unicast+0x449/0x710 [ 2297.346329][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.346329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.346329][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.346329][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.346329][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.346329][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.346329][ T74] [ 2297.348131][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2297.348371][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.348371][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.348371][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.348371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.348371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2297.348371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2297.348371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2297.348371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2297.348371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2297.348371][ T74] addrconf_dad_begin+0x310/0x670 [ 2297.348371][ T74] addrconf_dad_work+0x10b/0xab0 [ 2297.348371][ T74] process_one_work+0x84d/0x18a0 [ 2297.348371][ T74] worker_thread+0x587/0xd30 [ 2297.348371][ T74] kthread+0x28a/0x350 [ 2297.348371][ T74] ret_from_fork+0x31/0x70 [ 2297.348371][ T74] ret_from_fork_asm+0x1a/0x30 [ 2297.348371][ T74] [ 2297.350513][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.350513][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.350513][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.350513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.350513][ T74] ip6_route_add+0x1c/0x140 [ 2297.350513][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2297.350513][ T74] inet6_addr_add+0x4f8/0xa40 [ 2297.350513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.350513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.350513][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.350513][ T74] netlink_unicast+0x449/0x710 [ 2297.350513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.350513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.350513][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.350513][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.350513][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.350513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.350513][ T74] [ 2297.352754][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.352754][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.352754][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.352754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.352754][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2297.352754][ T74] ipv6_add_addr+0x411/0x2000 [ 2297.352754][ T74] inet6_addr_add+0x30e/0xa40 [ 2297.352754][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.352754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.352754][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.352754][ T74] netlink_unicast+0x449/0x710 [ 2297.352754][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.352754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.352754][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.352754][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.352754][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.352754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.352754][ T74] [ 2297.355055][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.355055][ T74] netdev_get_by_index+0x5e/0x80 [ 2297.355055][ T74] fib6_nh_init+0x3d8/0x1580 [ 2297.355055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2297.355055][ T74] ip6_route_add+0x1c/0x140 [ 2297.355055][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2297.355055][ T74] addrconf_add_dev+0xe2/0x170 [ 2297.355055][ T74] inet6_addr_add+0x12f/0xa40 [ 2297.355055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2297.355055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.355055][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.355055][ T74] netlink_unicast+0x449/0x710 [ 2297.355055][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.355055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.355055][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.355055][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.355055][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.355055][ T74] [ 2297.357184][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.357184][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2297.357184][ T74] ipv6_find_idev+0x102/0x170 [ 2297.357184][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.357184][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.357184][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.357184][ T74] netlink_unicast+0x449/0x710 [ 2297.357184][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.357184][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.357184][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.357184][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.357184][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.357184][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.357184][ T74] [ 2297.358897][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2297.358897][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2297.358897][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2297.358897][ T74] ipv6_find_idev+0x102/0x170 [ 2297.358897][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2297.358897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2297.358897][ T74] netlink_rcv_skb+0x130/0x360 [ 2297.358897][ T74] netlink_unicast+0x449/0x710 [ 2297.358897][ T74] netlink_sendmsg+0x723/0xbe0 [ 2297.358897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2297.358897][ T74] ___sys_sendmsg+0xee/0x170 [ 2297.358897][ T74] __sys_sendmsg+0xcd/0x170 [ 2297.358897][ T74] do_syscall_64+0xc6/0x1e0 [ 2297.358897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2297.358897][ T74] [ 2299.169007][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2299.169478][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2299.169478][T16070] dst_init+0x84/0x4a0 [ 2299.169478][T16070] dst_alloc+0x97/0x150 [ 2299.169478][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.169478][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.169478][T16070] ip6_pol_route+0x56f/0x840 [ 2299.169478][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2299.169478][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2299.169478][T16070] fib6_rule_lookup+0x182/0x630 [ 2299.169478][T16070] ip6_route_output_flags+0x259/0x480 [ 2299.169478][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2299.169478][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2299.169478][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2299.169478][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2299.169478][T16070] ip6_datagram_connect+0x2c/0x50 [ 2299.169478][T16070] __sys_connect+0x217/0x2a0 [ 2299.169478][T16070] __x64_sys_connect+0x72/0xb0 [ 2299.169478][T16070] [ 2299.171840][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2299.171840][T16070] dst_init+0x84/0x4a0 [ 2299.171840][T16070] dst_alloc+0x97/0x150 [ 2299.171840][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.171840][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.171840][T16070] ip6_pol_route+0x56f/0x840 [ 2299.171840][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2299.171840][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2299.171840][T16070] fib6_rule_lookup+0x182/0x630 [ 2299.171840][T16070] ip6_route_output_flags+0x259/0x480 [ 2299.171840][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2299.171840][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2299.171840][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2299.171840][T16070] __inet_stream_connect+0x272/0x9f0 [ 2299.171840][T16070] inet_stream_connect+0x57/0xa0 [ 2299.171840][T16070] __sys_connect+0x217/0x2a0 [ 2299.171840][T16070] __x64_sys_connect+0x72/0xb0 [ 2299.171840][T16070] [ 2299.174104][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.174104][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2299.174104][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2299.174104][T16070] fib6_nh_init+0xa22/0x1580 [ 2299.174104][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.174104][T16070] ip6_route_add+0x1c/0x140 [ 2299.174104][T16070] inet6_rtm_newroute+0x104/0x110 [ 2299.174104][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.174104][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.174104][T16070] netlink_unicast+0x449/0x710 [ 2299.174104][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.174104][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.174104][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.174104][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.174104][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.174104][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.174104][T16070] [ 2299.176230][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.176230][T16070] dst_init+0x84/0x4a0 [ 2299.176230][T16070] dst_alloc+0x97/0x150 [ 2299.176230][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.176230][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.176230][T16070] ip6_pol_route+0x56f/0x840 [ 2299.176230][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2299.176230][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2299.176230][T16070] fib6_rule_lookup+0x182/0x630 [ 2299.176230][T16070] ip6_route_input+0x59c/0xa50 [ 2299.176230][T16070] ipv6_rcv+0x397/0x810 [ 2299.176230][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2299.176230][T16070] process_backlog+0x101/0x620 [ 2299.176230][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2299.176230][T16070] net_rx_action+0x495/0xbe0 [ 2299.176230][T16070] __do_softirq+0x1b5/0x7f6 [ 2299.176230][T16070] [ 2299.178322][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.178322][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.178322][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.178322][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.178322][T16070] ip6_route_add+0x1c/0x140 [ 2299.178322][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2299.178322][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2299.178322][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2299.178322][T16070] addrconf_dad_begin+0x310/0x670 [ 2299.178322][T16070] addrconf_dad_work+0x10b/0xab0 [ 2299.178322][T16070] process_one_work+0x84d/0x18a0 [ 2299.178322][T16070] worker_thread+0x587/0xd30 [ 2299.178322][T16070] kthread+0x28a/0x350 [ 2299.178322][T16070] ret_from_fork+0x31/0x70 [ 2299.178322][T16070] ret_from_fork_asm+0x1a/0x30 [ 2299.178322][T16070] [ 2299.180343][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.180343][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.180343][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.180343][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.180343][T16070] ip6_route_add+0x1c/0x140 [ 2299.180343][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2299.180343][T16070] inet6_addr_add+0x4f8/0xa40 [ 2299.180343][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.180343][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.180343][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.180343][T16070] netlink_unicast+0x449/0x710 [ 2299.180343][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.180343][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.180343][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.180343][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.180343][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.180343][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.180343][T16070] [ 2299.182606][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.182606][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.182606][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.182606][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.182606][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2299.182606][T16070] ipv6_add_addr+0x411/0x2000 [ 2299.182606][T16070] inet6_addr_add+0x30e/0xa40 [ 2299.182606][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.182606][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.182606][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.182606][T16070] netlink_unicast+0x449/0x710 [ 2299.182606][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.182606][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.182606][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.182606][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.182606][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.182606][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.182606][T16070] [ 2299.184860][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.184860][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.184860][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.184860][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.184860][T16070] ip6_route_add+0x1c/0x140 [ 2299.184860][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.184860][T16070] addrconf_add_dev+0xe2/0x170 [ 2299.184860][T16070] inet6_addr_add+0x12f/0xa40 [ 2299.184860][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.184860][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.184860][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.184860][T16070] netlink_unicast+0x449/0x710 [ 2299.184860][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.184860][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.184860][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.184860][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.184860][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.184860][T16070] [ 2299.187076][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.187076][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2299.187076][T16070] ipv6_find_idev+0x102/0x170 [ 2299.187076][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.187076][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.187076][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.187076][T16070] netlink_unicast+0x449/0x710 [ 2299.187076][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.187076][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.187076][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.187076][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.187076][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.187076][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.187076][T16070] [ 2299.188813][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2299.188813][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2299.188813][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2299.188813][T16070] ipv6_find_idev+0x102/0x170 [ 2299.188813][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.188813][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.188813][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.188813][T16070] netlink_unicast+0x449/0x710 [ 2299.188813][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.188813][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.188813][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.188813][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.188813][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.188813][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.188813][T16070] [ 2299.190759][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2299.191092][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2299.191092][T16070] dst_init+0x84/0x4a0 [ 2299.191092][T16070] dst_alloc+0x97/0x150 [ 2299.191092][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.191092][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.191092][T16070] ip6_pol_route+0x56f/0x840 [ 2299.191092][T16070] fib6_rule_lookup+0x334/0x630 [ 2299.191092][T16070] ip6_route_output_flags+0x259/0x480 [ 2299.191092][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2299.191092][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2299.191092][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2299.191092][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2299.191092][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2299.191092][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.191092][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.191092][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.191092][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.191092][T16070] [ 2299.193364][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.193364][T16070] dst_init+0x84/0x4a0 [ 2299.193364][T16070] dst_alloc+0x97/0x150 [ 2299.193364][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.193364][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.193364][T16070] ip6_pol_route+0x56f/0x840 [ 2299.193364][T16070] fib6_rule_lookup+0x334/0x630 [ 2299.193364][T16070] ip6_route_output_flags+0x259/0x480 [ 2299.193364][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2299.193364][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2299.193364][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2299.193364][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2299.193364][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2299.193364][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2299.193364][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2299.193364][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2299.193364][T16070] ip6_input_finish+0x120/0x260 [ 2299.193364][T16070] [ 2299.195662][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.195662][T16070] dst_init+0x84/0x4a0 [ 2299.195662][T16070] dst_alloc+0x97/0x150 [ 2299.195662][T16070] ip6_dst_alloc+0x23/0x90 [ 2299.195662][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2299.195662][T16070] ip6_pol_route+0x56f/0x840 [ 2299.195662][T16070] fib6_rule_lookup+0x456/0x630 [ 2299.195662][T16070] ip6_route_input+0x59c/0xa50 [ 2299.195662][T16070] ipv6_rcv+0x397/0x810 [ 2299.195662][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2299.195662][T16070] process_backlog+0x101/0x620 [ 2299.195662][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2299.195662][T16070] net_rx_action+0x495/0xbe0 [ 2299.195662][T16070] __do_softirq+0x1b5/0x7f6 [ 2299.195662][T16070] [ 2299.197505][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.197505][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.197505][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.197505][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.197505][T16070] ip6_route_add+0x1c/0x140 [ 2299.197505][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2299.197505][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2299.197505][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2299.197505][T16070] addrconf_dad_begin+0x310/0x670 [ 2299.197505][T16070] addrconf_dad_work+0x10b/0xab0 [ 2299.197505][T16070] process_one_work+0x84d/0x18a0 [ 2299.197505][T16070] worker_thread+0x587/0xd30 [ 2299.197505][T16070] kthread+0x28a/0x350 [ 2299.197505][T16070] ret_from_fork+0x31/0x70 [ 2299.197505][T16070] ret_from_fork_asm+0x1a/0x30 [ 2299.197505][T16070] [ 2299.199767][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.199767][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.199767][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.199767][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.199767][T16070] ip6_route_add+0x1c/0x140 [ 2299.199767][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2299.199767][T16070] inet6_addr_add+0x4f8/0xa40 [ 2299.199767][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.199767][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.199767][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.199767][T16070] netlink_unicast+0x449/0x710 [ 2299.199767][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.199767][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.199767][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.199767][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.199767][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.199767][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.199767][T16070] [ 2299.202425][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.202425][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.202425][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.202425][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.202425][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2299.202425][T16070] ipv6_add_addr+0x411/0x2000 [ 2299.202425][T16070] inet6_addr_add+0x30e/0xa40 [ 2299.202425][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.202425][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.202425][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.202425][T16070] netlink_unicast+0x449/0x710 [ 2299.202425][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.202425][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.202425][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.202425][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.202425][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.202425][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.202425][T16070] [ 2299.204995][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.204995][T16070] netdev_get_by_index+0x5e/0x80 [ 2299.204995][T16070] fib6_nh_init+0x3d8/0x1580 [ 2299.204995][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2299.204995][T16070] ip6_route_add+0x1c/0x140 [ 2299.204995][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2299.204995][T16070] addrconf_add_dev+0xe2/0x170 [ 2299.204995][T16070] inet6_addr_add+0x12f/0xa40 [ 2299.204995][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2299.204995][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.204995][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.204995][T16070] netlink_unicast+0x449/0x710 [ 2299.204995][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.204995][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.204995][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.204995][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.204995][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.204995][T16070] [ 2299.207529][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.207529][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2299.207529][T16070] ipv6_find_idev+0x102/0x170 [ 2299.207529][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.207529][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.207529][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.207529][T16070] netlink_unicast+0x449/0x710 [ 2299.207529][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.207529][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.207529][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.207529][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.207529][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.207529][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.207529][T16070] [ 2299.209500][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2299.209500][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2299.209500][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2299.209500][T16070] ipv6_find_idev+0x102/0x170 [ 2299.209500][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2299.209500][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2299.209500][T16070] netlink_rcv_skb+0x130/0x360 [ 2299.209500][T16070] netlink_unicast+0x449/0x710 [ 2299.209500][T16070] netlink_sendmsg+0x723/0xbe0 [ 2299.209500][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2299.209500][T16070] ___sys_sendmsg+0xee/0x170 [ 2299.209500][T16070] __sys_sendmsg+0xcd/0x170 [ 2299.209500][T16070] do_syscall_64+0xc6/0x1e0 [ 2299.209500][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2299.209500][T16070] [ 2307.616932][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2307.617334][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.617334][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.617334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.617334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.617334][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2307.617334][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2307.617334][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2307.617334][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2307.617334][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2307.617334][ T74] addrconf_dad_begin+0x310/0x670 [ 2307.617334][ T74] addrconf_dad_work+0x10b/0xab0 [ 2307.617334][ T74] process_one_work+0x84d/0x18a0 [ 2307.617334][ T74] worker_thread+0x587/0xd30 [ 2307.617334][ T74] kthread+0x28a/0x350 [ 2307.617334][ T74] ret_from_fork+0x31/0x70 [ 2307.617334][ T74] ret_from_fork_asm+0x1a/0x30 [ 2307.617334][ T74] [ 2307.619266][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.619266][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.619266][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.619266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.619266][ T74] ip6_route_add+0x1c/0x140 [ 2307.619266][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2307.619266][ T74] inet6_addr_add+0x4f8/0xa40 [ 2307.619266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.619266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.619266][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.619266][ T74] netlink_unicast+0x449/0x710 [ 2307.619266][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.619266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.619266][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.619266][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.619266][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.619266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.619266][ T74] [ 2307.621298][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.621298][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.621298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.621298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.621298][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2307.621298][ T74] ipv6_add_addr+0x411/0x2000 [ 2307.621298][ T74] inet6_addr_add+0x30e/0xa40 [ 2307.621298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.621298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.621298][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.621298][ T74] netlink_unicast+0x449/0x710 [ 2307.621298][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.621298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.621298][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.621298][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.621298][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.621298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.621298][ T74] [ 2307.623289][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.623289][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.623289][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.623289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.623289][ T74] ip6_route_add+0x1c/0x140 [ 2307.623289][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2307.623289][ T74] addrconf_add_dev+0xe2/0x170 [ 2307.623289][ T74] inet6_addr_add+0x12f/0xa40 [ 2307.623289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.623289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.623289][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.623289][ T74] netlink_unicast+0x449/0x710 [ 2307.623289][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.623289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.623289][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.623289][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.623289][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.623289][ T74] [ 2307.625251][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.625251][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2307.625251][ T74] ipv6_find_idev+0x102/0x170 [ 2307.625251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.625251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.625251][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.625251][ T74] netlink_unicast+0x449/0x710 [ 2307.625251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.625251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.625251][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.625251][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.625251][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.625251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.625251][ T74] [ 2307.626784][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2307.626784][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2307.626784][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2307.626784][ T74] ipv6_find_idev+0x102/0x170 [ 2307.626784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.626784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.626784][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.626784][ T74] netlink_unicast+0x449/0x710 [ 2307.626784][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.626784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.626784][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.626784][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.626784][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.626784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.626784][ T74] [ 2307.628460][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2307.628700][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.628700][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.628700][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.628700][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.628700][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2307.628700][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2307.628700][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2307.628700][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2307.628700][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2307.628700][ T74] addrconf_dad_begin+0x310/0x670 [ 2307.628700][ T74] addrconf_dad_work+0x10b/0xab0 [ 2307.628700][ T74] process_one_work+0x84d/0x18a0 [ 2307.628700][ T74] worker_thread+0x587/0xd30 [ 2307.628700][ T74] kthread+0x28a/0x350 [ 2307.628700][ T74] ret_from_fork+0x31/0x70 [ 2307.628700][ T74] ret_from_fork_asm+0x1a/0x30 [ 2307.628700][ T74] [ 2307.630609][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.630609][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.630609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.630609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.630609][ T74] ip6_route_add+0x1c/0x140 [ 2307.630609][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2307.630609][ T74] inet6_addr_add+0x4f8/0xa40 [ 2307.630609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.630609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.630609][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.630609][ T74] netlink_unicast+0x449/0x710 [ 2307.630609][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.630609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.630609][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.630609][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.630609][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.630609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.630609][ T74] [ 2307.632597][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.632597][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.632597][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.632597][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.632597][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2307.632597][ T74] ipv6_add_addr+0x411/0x2000 [ 2307.632597][ T74] inet6_addr_add+0x30e/0xa40 [ 2307.632597][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.632597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.632597][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.632597][ T74] netlink_unicast+0x449/0x710 [ 2307.632597][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.632597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.632597][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.632597][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.632597][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.632597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.632597][ T74] [ 2307.634585][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.634585][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.634585][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.634585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.634585][ T74] ip6_route_add+0x1c/0x140 [ 2307.634585][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2307.634585][ T74] addrconf_add_dev+0xe2/0x170 [ 2307.634585][ T74] inet6_addr_add+0x12f/0xa40 [ 2307.634585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.634585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.634585][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.634585][ T74] netlink_unicast+0x449/0x710 [ 2307.634585][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.634585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.634585][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.634585][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.634585][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.634585][ T74] [ 2307.636571][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.636571][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2307.636571][ T74] ipv6_find_idev+0x102/0x170 [ 2307.636571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.636571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.636571][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.636571][ T74] netlink_unicast+0x449/0x710 [ 2307.636571][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.636571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.636571][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.636571][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.636571][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.636571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.636571][ T74] [ 2307.638098][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2307.638098][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2307.638098][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2307.638098][ T74] ipv6_find_idev+0x102/0x170 [ 2307.638098][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.638098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.638098][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.638098][ T74] netlink_unicast+0x449/0x710 [ 2307.638098][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.638098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.638098][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.638098][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.638098][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.638098][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.638098][ T74] [ 2307.639775][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2307.640026][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.640026][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.640026][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.640026][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.640026][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2307.640026][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2307.640026][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2307.640026][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2307.640026][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2307.640026][ T74] addrconf_dad_begin+0x310/0x670 [ 2307.640026][ T74] addrconf_dad_work+0x10b/0xab0 [ 2307.640026][ T74] process_one_work+0x84d/0x18a0 [ 2307.640026][ T74] worker_thread+0x587/0xd30 [ 2307.640026][ T74] kthread+0x28a/0x350 [ 2307.640026][ T74] ret_from_fork+0x31/0x70 [ 2307.640026][ T74] ret_from_fork_asm+0x1a/0x30 [ 2307.640026][ T74] [ 2307.641937][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.641937][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.641937][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.641937][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.641937][ T74] ip6_route_add+0x1c/0x140 [ 2307.641937][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2307.641937][ T74] inet6_addr_add+0x4f8/0xa40 [ 2307.641937][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.641937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.641937][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.641937][ T74] netlink_unicast+0x449/0x710 [ 2307.641937][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.641937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.641937][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.641937][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.641937][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.641937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.641937][ T74] [ 2307.644122][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.644122][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.644122][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.644122][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.644122][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2307.644122][ T74] ipv6_add_addr+0x411/0x2000 [ 2307.644122][ T74] inet6_addr_add+0x30e/0xa40 [ 2307.644122][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.644122][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.644122][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.644122][ T74] netlink_unicast+0x449/0x710 [ 2307.644122][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.644122][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.644122][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.644122][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.644122][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.644122][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.644122][ T74] [ 2307.646422][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.646422][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.646422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.646422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.646422][ T74] ip6_route_add+0x1c/0x140 [ 2307.646422][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2307.646422][ T74] addrconf_add_dev+0xe2/0x170 [ 2307.646422][ T74] inet6_addr_add+0x12f/0xa40 [ 2307.646422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.646422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.646422][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.646422][ T74] netlink_unicast+0x449/0x710 [ 2307.646422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.646422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.646422][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.646422][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.646422][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.646422][ T74] [ 2307.648652][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.648652][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2307.648652][ T74] ipv6_find_idev+0x102/0x170 [ 2307.648652][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.648652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.648652][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.648652][ T74] netlink_unicast+0x449/0x710 [ 2307.648652][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.648652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.648652][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.648652][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.648652][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.648652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.648652][ T74] [ 2307.650381][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2307.650381][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2307.650381][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2307.650381][ T74] ipv6_find_idev+0x102/0x170 [ 2307.650381][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.650381][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.650381][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.650381][ T74] netlink_unicast+0x449/0x710 [ 2307.650381][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.650381][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.650381][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.650381][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.650381][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.650381][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.650381][ T74] [ 2307.652203][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2307.652442][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.652442][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.652442][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.652442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.652442][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2307.652442][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2307.652442][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2307.652442][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2307.652442][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2307.652442][ T74] addrconf_dad_begin+0x310/0x670 [ 2307.652442][ T74] addrconf_dad_work+0x10b/0xab0 [ 2307.652442][ T74] process_one_work+0x84d/0x18a0 [ 2307.652442][ T74] worker_thread+0x587/0xd30 [ 2307.652442][ T74] kthread+0x28a/0x350 [ 2307.652442][ T74] ret_from_fork+0x31/0x70 [ 2307.652442][ T74] ret_from_fork_asm+0x1a/0x30 [ 2307.652442][ T74] [ 2307.654655][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.654655][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.654655][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.654655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.654655][ T74] ip6_route_add+0x1c/0x140 [ 2307.654655][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2307.654655][ T74] inet6_addr_add+0x4f8/0xa40 [ 2307.654655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.654655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.654655][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.654655][ T74] netlink_unicast+0x449/0x710 [ 2307.654655][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.654655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.654655][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.654655][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.654655][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.654655][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.654655][ T74] [ 2307.656882][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.656882][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.656882][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.656882][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.656882][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2307.656882][ T74] ipv6_add_addr+0x411/0x2000 [ 2307.656882][ T74] inet6_addr_add+0x30e/0xa40 [ 2307.656882][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.656882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.656882][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.656882][ T74] netlink_unicast+0x449/0x710 [ 2307.656882][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.656882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.656882][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.656882][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.656882][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.656882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.656882][ T74] [ 2307.659060][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.659060][ T74] netdev_get_by_index+0x5e/0x80 [ 2307.659060][ T74] fib6_nh_init+0x3d8/0x1580 [ 2307.659060][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2307.659060][ T74] ip6_route_add+0x1c/0x140 [ 2307.659060][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2307.659060][ T74] addrconf_add_dev+0xe2/0x170 [ 2307.659060][ T74] inet6_addr_add+0x12f/0xa40 [ 2307.659060][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2307.659060][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.659060][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.659060][ T74] netlink_unicast+0x449/0x710 [ 2307.659060][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.659060][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.659060][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.659060][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.659060][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.659060][ T74] [ 2307.661198][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.661198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2307.661198][ T74] ipv6_find_idev+0x102/0x170 [ 2307.661198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.661198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.661198][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.661198][ T74] netlink_unicast+0x449/0x710 [ 2307.661198][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.661198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.661198][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.661198][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.661198][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.661198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.661198][ T74] [ 2307.662865][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2307.662865][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2307.662865][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2307.662865][ T74] ipv6_find_idev+0x102/0x170 [ 2307.662865][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2307.662865][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2307.662865][ T74] netlink_rcv_skb+0x130/0x360 [ 2307.662865][ T74] netlink_unicast+0x449/0x710 [ 2307.662865][ T74] netlink_sendmsg+0x723/0xbe0 [ 2307.662865][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2307.662865][ T74] ___sys_sendmsg+0xee/0x170 [ 2307.662865][ T74] __sys_sendmsg+0xcd/0x170 [ 2307.662865][ T74] do_syscall_64+0xc6/0x1e0 [ 2307.662865][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2307.662865][ T74] [ 2309.464922][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2309.465376][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2309.465376][T16070] dst_init+0x84/0x4a0 [ 2309.465376][T16070] dst_alloc+0x97/0x150 [ 2309.465376][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.465376][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.465376][T16070] ip6_pol_route+0x56f/0x840 [ 2309.465376][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2309.465376][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2309.465376][T16070] fib6_rule_lookup+0x182/0x630 [ 2309.465376][T16070] ip6_route_output_flags+0x259/0x480 [ 2309.465376][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2309.465376][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2309.465376][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2309.465376][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2309.465376][T16070] ip6_datagram_connect+0x2c/0x50 [ 2309.465376][T16070] __sys_connect+0x217/0x2a0 [ 2309.465376][T16070] __x64_sys_connect+0x72/0xb0 [ 2309.465376][T16070] [ 2309.467694][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2309.467694][T16070] dst_init+0x84/0x4a0 [ 2309.467694][T16070] dst_alloc+0x97/0x150 [ 2309.467694][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.467694][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.467694][T16070] ip6_pol_route+0x56f/0x840 [ 2309.467694][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2309.467694][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2309.467694][T16070] fib6_rule_lookup+0x182/0x630 [ 2309.467694][T16070] ip6_route_output_flags+0x259/0x480 [ 2309.467694][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2309.467694][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2309.467694][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2309.467694][T16070] __inet_stream_connect+0x272/0x9f0 [ 2309.467694][T16070] inet_stream_connect+0x57/0xa0 [ 2309.467694][T16070] __sys_connect+0x217/0x2a0 [ 2309.467694][T16070] __x64_sys_connect+0x72/0xb0 [ 2309.467694][T16070] [ 2309.469964][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.469964][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2309.469964][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2309.469964][T16070] fib6_nh_init+0xa22/0x1580 [ 2309.469964][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.469964][T16070] ip6_route_add+0x1c/0x140 [ 2309.469964][T16070] inet6_rtm_newroute+0x104/0x110 [ 2309.469964][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.469964][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.469964][T16070] netlink_unicast+0x449/0x710 [ 2309.469964][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.469964][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.469964][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.469964][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.469964][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.469964][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.469964][T16070] [ 2309.472094][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.472094][T16070] dst_init+0x84/0x4a0 [ 2309.472094][T16070] dst_alloc+0x97/0x150 [ 2309.472094][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.472094][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.472094][T16070] ip6_pol_route+0x56f/0x840 [ 2309.472094][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2309.472094][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2309.472094][T16070] fib6_rule_lookup+0x182/0x630 [ 2309.472094][T16070] ip6_route_input+0x59c/0xa50 [ 2309.472094][T16070] ipv6_rcv+0x397/0x810 [ 2309.472094][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.472094][T16070] process_backlog+0x101/0x620 [ 2309.472094][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2309.472094][T16070] net_rx_action+0x495/0xbe0 [ 2309.472094][T16070] __do_softirq+0x1b5/0x7f6 [ 2309.472094][T16070] [ 2309.474183][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.474183][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.474183][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.474183][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.474183][T16070] ip6_route_add+0x1c/0x140 [ 2309.474183][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2309.474183][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2309.474183][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2309.474183][T16070] addrconf_dad_begin+0x310/0x670 [ 2309.474183][T16070] addrconf_dad_work+0x10b/0xab0 [ 2309.474183][T16070] process_one_work+0x84d/0x18a0 [ 2309.474183][T16070] worker_thread+0x587/0xd30 [ 2309.474183][T16070] kthread+0x28a/0x350 [ 2309.474183][T16070] ret_from_fork+0x31/0x70 [ 2309.474183][T16070] ret_from_fork_asm+0x1a/0x30 [ 2309.474183][T16070] [ 2309.476212][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.476212][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.476212][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.476212][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.476212][T16070] ip6_route_add+0x1c/0x140 [ 2309.476212][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2309.476212][T16070] inet6_addr_add+0x4f8/0xa40 [ 2309.476212][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.476212][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.476212][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.476212][T16070] netlink_unicast+0x449/0x710 [ 2309.476212][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.476212][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.476212][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.476212][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.476212][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.476212][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.476212][T16070] [ 2309.478510][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.478510][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.478510][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.478510][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.478510][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2309.478510][T16070] ipv6_add_addr+0x411/0x2000 [ 2309.478510][T16070] inet6_addr_add+0x30e/0xa40 [ 2309.478510][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.478510][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.478510][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.478510][T16070] netlink_unicast+0x449/0x710 [ 2309.478510][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.478510][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.478510][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.478510][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.478510][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.478510][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.478510][T16070] [ 2309.480766][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.480766][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.480766][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.480766][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.480766][T16070] ip6_route_add+0x1c/0x140 [ 2309.480766][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.480766][T16070] addrconf_add_dev+0xe2/0x170 [ 2309.480766][T16070] inet6_addr_add+0x12f/0xa40 [ 2309.480766][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.480766][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.480766][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.480766][T16070] netlink_unicast+0x449/0x710 [ 2309.480766][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.480766][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.480766][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.480766][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.480766][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.480766][T16070] [ 2309.482992][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.482992][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2309.482992][T16070] ipv6_find_idev+0x102/0x170 [ 2309.482992][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.482992][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.482992][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.482992][T16070] netlink_unicast+0x449/0x710 [ 2309.482992][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.482992][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.482992][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.482992][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.482992][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.482992][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.482992][T16070] [ 2309.484737][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2309.484737][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2309.484737][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2309.484737][T16070] ipv6_find_idev+0x102/0x170 [ 2309.484737][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.484737][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.484737][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.484737][T16070] netlink_unicast+0x449/0x710 [ 2309.484737][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.484737][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.484737][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.484737][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.484737][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.484737][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.484737][T16070] [ 2309.486653][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2309.486976][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2309.486976][T16070] dst_init+0x84/0x4a0 [ 2309.486976][T16070] dst_alloc+0x97/0x150 [ 2309.486976][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.486976][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.486976][T16070] ip6_pol_route+0x56f/0x840 [ 2309.486976][T16070] fib6_rule_lookup+0x334/0x630 [ 2309.486976][T16070] ip6_route_output_flags+0x259/0x480 [ 2309.486976][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2309.486976][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2309.486976][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2309.486976][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2309.486976][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2309.486976][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.486976][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.486976][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.486976][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.486976][T16070] [ 2309.489275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.489275][T16070] dst_init+0x84/0x4a0 [ 2309.489275][T16070] dst_alloc+0x97/0x150 [ 2309.489275][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.489275][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.489275][T16070] ip6_pol_route+0x56f/0x840 [ 2309.489275][T16070] fib6_rule_lookup+0x334/0x630 [ 2309.489275][T16070] ip6_route_output_flags+0x259/0x480 [ 2309.489275][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2309.489275][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2309.489275][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2309.489275][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2309.489275][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2309.489275][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2309.489275][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2309.489275][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2309.489275][T16070] ip6_input_finish+0x120/0x260 [ 2309.489275][T16070] [ 2309.491596][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.491596][T16070] dst_init+0x84/0x4a0 [ 2309.491596][T16070] dst_alloc+0x97/0x150 [ 2309.491596][T16070] ip6_dst_alloc+0x23/0x90 [ 2309.491596][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2309.491596][T16070] ip6_pol_route+0x56f/0x840 [ 2309.491596][T16070] fib6_rule_lookup+0x456/0x630 [ 2309.491596][T16070] ip6_route_input+0x59c/0xa50 [ 2309.491596][T16070] ipv6_rcv+0x397/0x810 [ 2309.491596][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2309.491596][T16070] process_backlog+0x101/0x620 [ 2309.491596][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2309.491596][T16070] net_rx_action+0x495/0xbe0 [ 2309.491596][T16070] __do_softirq+0x1b5/0x7f6 [ 2309.491596][T16070] [ 2309.493451][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.493451][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.493451][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.493451][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.493451][T16070] ip6_route_add+0x1c/0x140 [ 2309.493451][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2309.493451][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2309.493451][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2309.493451][T16070] addrconf_dad_begin+0x310/0x670 [ 2309.493451][T16070] addrconf_dad_work+0x10b/0xab0 [ 2309.493451][T16070] process_one_work+0x84d/0x18a0 [ 2309.493451][T16070] worker_thread+0x587/0xd30 [ 2309.493451][T16070] kthread+0x28a/0x350 [ 2309.493451][T16070] ret_from_fork+0x31/0x70 [ 2309.493451][T16070] ret_from_fork_asm+0x1a/0x30 [ 2309.493451][T16070] [ 2309.495709][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.495709][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.495709][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.495709][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.495709][T16070] ip6_route_add+0x1c/0x140 [ 2309.495709][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2309.495709][T16070] inet6_addr_add+0x4f8/0xa40 [ 2309.495709][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.495709][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.495709][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.495709][T16070] netlink_unicast+0x449/0x710 [ 2309.495709][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.495709][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.495709][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.495709][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.495709][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.495709][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.495709][T16070] [ 2309.498296][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.498296][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.498296][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.498296][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.498296][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2309.498296][T16070] ipv6_add_addr+0x411/0x2000 [ 2309.498296][T16070] inet6_addr_add+0x30e/0xa40 [ 2309.498296][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.498296][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.498296][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.498296][T16070] netlink_unicast+0x449/0x710 [ 2309.498296][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.498296][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.498296][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.498296][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.498296][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.498296][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.498296][T16070] [ 2309.500869][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.500869][T16070] netdev_get_by_index+0x5e/0x80 [ 2309.500869][T16070] fib6_nh_init+0x3d8/0x1580 [ 2309.500869][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2309.500869][T16070] ip6_route_add+0x1c/0x140 [ 2309.500869][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2309.500869][T16070] addrconf_add_dev+0xe2/0x170 [ 2309.500869][T16070] inet6_addr_add+0x12f/0xa40 [ 2309.500869][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2309.500869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.500869][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.500869][T16070] netlink_unicast+0x449/0x710 [ 2309.500869][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.500869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.500869][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.500869][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.500869][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.500869][T16070] [ 2309.503426][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.503426][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2309.503426][T16070] ipv6_find_idev+0x102/0x170 [ 2309.503426][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.503426][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.503426][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.503426][T16070] netlink_unicast+0x449/0x710 [ 2309.503426][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.503426][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.503426][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.503426][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.503426][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.503426][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.503426][T16070] [ 2309.505499][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2309.505499][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2309.505499][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2309.505499][T16070] ipv6_find_idev+0x102/0x170 [ 2309.505499][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2309.505499][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2309.505499][T16070] netlink_rcv_skb+0x130/0x360 [ 2309.505499][T16070] netlink_unicast+0x449/0x710 [ 2309.505499][T16070] netlink_sendmsg+0x723/0xbe0 [ 2309.505499][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2309.505499][T16070] ___sys_sendmsg+0xee/0x170 [ 2309.505499][T16070] __sys_sendmsg+0xcd/0x170 [ 2309.505499][T16070] do_syscall_64+0xc6/0x1e0 [ 2309.505499][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2309.505499][T16070] [ 2317.912924][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2317.913349][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.913349][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.913349][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.913349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.913349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2317.913349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2317.913349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2317.913349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2317.913349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2317.913349][ T74] addrconf_dad_begin+0x310/0x670 [ 2317.913349][ T74] addrconf_dad_work+0x10b/0xab0 [ 2317.913349][ T74] process_one_work+0x84d/0x18a0 [ 2317.913349][ T74] worker_thread+0x587/0xd30 [ 2317.913349][ T74] kthread+0x28a/0x350 [ 2317.913349][ T74] ret_from_fork+0x31/0x70 [ 2317.913349][ T74] ret_from_fork_asm+0x1a/0x30 [ 2317.913349][ T74] [ 2317.915313][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.915313][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.915313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.915313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.915313][ T74] ip6_route_add+0x1c/0x140 [ 2317.915313][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2317.915313][ T74] inet6_addr_add+0x4f8/0xa40 [ 2317.915313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.915313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.915313][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.915313][ T74] netlink_unicast+0x449/0x710 [ 2317.915313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.915313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.915313][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.915313][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.915313][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.915313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.915313][ T74] [ 2317.917328][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.917328][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.917328][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.917328][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.917328][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2317.917328][ T74] ipv6_add_addr+0x411/0x2000 [ 2317.917328][ T74] inet6_addr_add+0x30e/0xa40 [ 2317.917328][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.917328][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.917328][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.917328][ T74] netlink_unicast+0x449/0x710 [ 2317.917328][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.917328][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.917328][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.917328][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.917328][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.917328][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.917328][ T74] [ 2317.919353][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.919353][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.919353][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.919353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.919353][ T74] ip6_route_add+0x1c/0x140 [ 2317.919353][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2317.919353][ T74] addrconf_add_dev+0xe2/0x170 [ 2317.919353][ T74] inet6_addr_add+0x12f/0xa40 [ 2317.919353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.919353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.919353][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.919353][ T74] netlink_unicast+0x449/0x710 [ 2317.919353][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.919353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.919353][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.919353][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.919353][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.919353][ T74] [ 2317.921335][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.921335][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2317.921335][ T74] ipv6_find_idev+0x102/0x170 [ 2317.921335][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.921335][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.921335][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.921335][ T74] netlink_unicast+0x449/0x710 [ 2317.921335][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.921335][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.921335][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.921335][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.921335][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.921335][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.921335][ T74] [ 2317.922896][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2317.922896][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2317.922896][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2317.922896][ T74] ipv6_find_idev+0x102/0x170 [ 2317.922896][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.922896][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.922896][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.922896][ T74] netlink_unicast+0x449/0x710 [ 2317.922896][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.922896][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.922896][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.922896][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.922896][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.922896][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.922896][ T74] [ 2317.924621][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2317.924884][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.924884][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.924884][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.924884][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.924884][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2317.924884][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2317.924884][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2317.924884][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2317.924884][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2317.924884][ T74] addrconf_dad_begin+0x310/0x670 [ 2317.924884][ T74] addrconf_dad_work+0x10b/0xab0 [ 2317.924884][ T74] process_one_work+0x84d/0x18a0 [ 2317.924884][ T74] worker_thread+0x587/0xd30 [ 2317.924884][ T74] kthread+0x28a/0x350 [ 2317.924884][ T74] ret_from_fork+0x31/0x70 [ 2317.924884][ T74] ret_from_fork_asm+0x1a/0x30 [ 2317.924884][ T74] [ 2317.926820][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.926820][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.926820][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.926820][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.926820][ T74] ip6_route_add+0x1c/0x140 [ 2317.926820][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2317.926820][ T74] inet6_addr_add+0x4f8/0xa40 [ 2317.926820][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.926820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.926820][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.926820][ T74] netlink_unicast+0x449/0x710 [ 2317.926820][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.926820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.926820][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.926820][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.926820][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.926820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.926820][ T74] [ 2317.928846][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.928846][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.928846][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.928846][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.928846][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2317.928846][ T74] ipv6_add_addr+0x411/0x2000 [ 2317.928846][ T74] inet6_addr_add+0x30e/0xa40 [ 2317.928846][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.928846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.928846][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.928846][ T74] netlink_unicast+0x449/0x710 [ 2317.928846][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.928846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.928846][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.928846][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.928846][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.928846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.928846][ T74] [ 2317.930869][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.930869][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.930869][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.930869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.930869][ T74] ip6_route_add+0x1c/0x140 [ 2317.930869][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2317.930869][ T74] addrconf_add_dev+0xe2/0x170 [ 2317.930869][ T74] inet6_addr_add+0x12f/0xa40 [ 2317.930869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.930869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.930869][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.930869][ T74] netlink_unicast+0x449/0x710 [ 2317.930869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.930869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.930869][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.930869][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.930869][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.930869][ T74] [ 2317.932850][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.932850][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2317.932850][ T74] ipv6_find_idev+0x102/0x170 [ 2317.932850][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.932850][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.932850][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.932850][ T74] netlink_unicast+0x449/0x710 [ 2317.932850][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.932850][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.932850][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.932850][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.932850][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.932850][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.932850][ T74] [ 2317.934414][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2317.934414][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2317.934414][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2317.934414][ T74] ipv6_find_idev+0x102/0x170 [ 2317.934414][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.934414][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.934414][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.934414][ T74] netlink_unicast+0x449/0x710 [ 2317.934414][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.934414][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.934414][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.934414][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.934414][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.934414][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.934414][ T74] [ 2317.936123][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2317.936368][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.936368][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.936368][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.936368][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.936368][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2317.936368][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2317.936368][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2317.936368][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2317.936368][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2317.936368][ T74] addrconf_dad_begin+0x310/0x670 [ 2317.936368][ T74] addrconf_dad_work+0x10b/0xab0 [ 2317.936368][ T74] process_one_work+0x84d/0x18a0 [ 2317.936368][ T74] worker_thread+0x587/0xd30 [ 2317.936368][ T74] kthread+0x28a/0x350 [ 2317.936368][ T74] ret_from_fork+0x31/0x70 [ 2317.936368][ T74] ret_from_fork_asm+0x1a/0x30 [ 2317.936368][ T74] [ 2317.938301][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.938301][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.938301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.938301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.938301][ T74] ip6_route_add+0x1c/0x140 [ 2317.938301][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2317.938301][ T74] inet6_addr_add+0x4f8/0xa40 [ 2317.938301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.938301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.938301][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.938301][ T74] netlink_unicast+0x449/0x710 [ 2317.938301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.938301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.938301][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.938301][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.938301][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.938301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.938301][ T74] [ 2317.940563][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.940563][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.940563][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.940563][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.940563][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2317.940563][ T74] ipv6_add_addr+0x411/0x2000 [ 2317.940563][ T74] inet6_addr_add+0x30e/0xa40 [ 2317.940563][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.940563][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.940563][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.940563][ T74] netlink_unicast+0x449/0x710 [ 2317.940563][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.940563][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.940563][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.940563][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.940563][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.940563][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.940563][ T74] [ 2317.942838][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.942838][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.942838][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.942838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.942838][ T74] ip6_route_add+0x1c/0x140 [ 2317.942838][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2317.942838][ T74] addrconf_add_dev+0xe2/0x170 [ 2317.942838][ T74] inet6_addr_add+0x12f/0xa40 [ 2317.942838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.942838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.942838][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.942838][ T74] netlink_unicast+0x449/0x710 [ 2317.942838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.942838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.942838][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.942838][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.942838][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.942838][ T74] [ 2317.945059][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.945059][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2317.945059][ T74] ipv6_find_idev+0x102/0x170 [ 2317.945059][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.945059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.945059][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.945059][ T74] netlink_unicast+0x449/0x710 [ 2317.945059][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.945059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.945059][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.945059][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.945059][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.945059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.945059][ T74] [ 2317.946811][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2317.946811][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2317.946811][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2317.946811][ T74] ipv6_find_idev+0x102/0x170 [ 2317.946811][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.946811][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.946811][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.946811][ T74] netlink_unicast+0x449/0x710 [ 2317.946811][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.946811][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.946811][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.946811][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.946811][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.946811][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.946811][ T74] [ 2317.948689][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2317.949446][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.949446][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.949446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.949446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.949446][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2317.949446][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2317.949446][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2317.949446][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2317.949446][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2317.949446][ T74] addrconf_dad_begin+0x310/0x670 [ 2317.949446][ T74] addrconf_dad_work+0x10b/0xab0 [ 2317.949446][ T74] process_one_work+0x84d/0x18a0 [ 2317.949446][ T74] worker_thread+0x587/0xd30 [ 2317.949446][ T74] kthread+0x28a/0x350 [ 2317.949446][ T74] ret_from_fork+0x31/0x70 [ 2317.949446][ T74] ret_from_fork_asm+0x1a/0x30 [ 2317.949446][ T74] [ 2317.951376][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.951376][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.951376][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.951376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.951376][ T74] ip6_route_add+0x1c/0x140 [ 2317.951376][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2317.951376][ T74] inet6_addr_add+0x4f8/0xa40 [ 2317.951376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.951376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.951376][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.951376][ T74] netlink_unicast+0x449/0x710 [ 2317.951376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.951376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.951376][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.951376][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.951376][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.951376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.951376][ T74] [ 2317.953387][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.953387][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.953387][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.953387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.953387][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2317.953387][ T74] ipv6_add_addr+0x411/0x2000 [ 2317.953387][ T74] inet6_addr_add+0x30e/0xa40 [ 2317.953387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.953387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.953387][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.953387][ T74] netlink_unicast+0x449/0x710 [ 2317.953387][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.953387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.953387][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.953387][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.953387][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.953387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.953387][ T74] [ 2317.955541][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.955541][ T74] netdev_get_by_index+0x5e/0x80 [ 2317.955541][ T74] fib6_nh_init+0x3d8/0x1580 [ 2317.955541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2317.955541][ T74] ip6_route_add+0x1c/0x140 [ 2317.955541][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2317.955541][ T74] addrconf_add_dev+0xe2/0x170 [ 2317.955541][ T74] inet6_addr_add+0x12f/0xa40 [ 2317.955541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2317.955541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.955541][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.955541][ T74] netlink_unicast+0x449/0x710 [ 2317.955541][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.955541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.955541][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.955541][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.955541][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.955541][ T74] [ 2317.957590][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.957590][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2317.957590][ T74] ipv6_find_idev+0x102/0x170 [ 2317.957590][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.957590][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.957590][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.957590][ T74] netlink_unicast+0x449/0x710 [ 2317.957590][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.957590][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.957590][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.957590][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.957590][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.957590][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.957590][ T74] [ 2317.959207][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2317.959207][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2317.959207][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2317.959207][ T74] ipv6_find_idev+0x102/0x170 [ 2317.959207][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2317.959207][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2317.959207][ T74] netlink_rcv_skb+0x130/0x360 [ 2317.959207][ T74] netlink_unicast+0x449/0x710 [ 2317.959207][ T74] netlink_sendmsg+0x723/0xbe0 [ 2317.959207][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2317.959207][ T74] ___sys_sendmsg+0xee/0x170 [ 2317.959207][ T74] __sys_sendmsg+0xcd/0x170 [ 2317.959207][ T74] do_syscall_64+0xc6/0x1e0 [ 2317.959207][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2317.959207][ T74] [ 2319.512921][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2319.513393][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2319.513393][T16070] dst_init+0x84/0x4a0 [ 2319.513393][T16070] dst_alloc+0x97/0x150 [ 2319.513393][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.513393][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.513393][T16070] ip6_pol_route+0x56f/0x840 [ 2319.513393][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2319.513393][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2319.513393][T16070] fib6_rule_lookup+0x182/0x630 [ 2319.513393][T16070] ip6_route_output_flags+0x259/0x480 [ 2319.513393][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2319.513393][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2319.513393][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2319.513393][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2319.513393][T16070] ip6_datagram_connect+0x2c/0x50 [ 2319.513393][T16070] __sys_connect+0x217/0x2a0 [ 2319.513393][T16070] __x64_sys_connect+0x72/0xb0 [ 2319.513393][T16070] [ 2319.515703][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2319.515703][T16070] dst_init+0x84/0x4a0 [ 2319.515703][T16070] dst_alloc+0x97/0x150 [ 2319.515703][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.515703][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.515703][T16070] ip6_pol_route+0x56f/0x840 [ 2319.515703][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2319.515703][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2319.515703][T16070] fib6_rule_lookup+0x182/0x630 [ 2319.515703][T16070] ip6_route_output_flags+0x259/0x480 [ 2319.515703][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2319.515703][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2319.515703][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2319.515703][T16070] __inet_stream_connect+0x272/0x9f0 [ 2319.515703][T16070] inet_stream_connect+0x57/0xa0 [ 2319.515703][T16070] __sys_connect+0x217/0x2a0 [ 2319.515703][T16070] __x64_sys_connect+0x72/0xb0 [ 2319.515703][T16070] [ 2319.517952][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.517952][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2319.517952][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2319.517952][T16070] fib6_nh_init+0xa22/0x1580 [ 2319.517952][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.517952][T16070] ip6_route_add+0x1c/0x140 [ 2319.517952][T16070] inet6_rtm_newroute+0x104/0x110 [ 2319.517952][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.517952][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.517952][T16070] netlink_unicast+0x449/0x710 [ 2319.517952][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.517952][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.517952][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.517952][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.517952][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.517952][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.517952][T16070] [ 2319.520057][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.520057][T16070] dst_init+0x84/0x4a0 [ 2319.520057][T16070] dst_alloc+0x97/0x150 [ 2319.520057][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.520057][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.520057][T16070] ip6_pol_route+0x56f/0x840 [ 2319.520057][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2319.520057][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2319.520057][T16070] fib6_rule_lookup+0x182/0x630 [ 2319.520057][T16070] ip6_route_input+0x59c/0xa50 [ 2319.520057][T16070] ipv6_rcv+0x397/0x810 [ 2319.520057][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.520057][T16070] process_backlog+0x101/0x620 [ 2319.520057][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2319.520057][T16070] net_rx_action+0x495/0xbe0 [ 2319.520057][T16070] __do_softirq+0x1b5/0x7f6 [ 2319.520057][T16070] [ 2319.522136][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.522136][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.522136][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.522136][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.522136][T16070] ip6_route_add+0x1c/0x140 [ 2319.522136][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2319.522136][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2319.522136][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2319.522136][T16070] addrconf_dad_begin+0x310/0x670 [ 2319.522136][T16070] addrconf_dad_work+0x10b/0xab0 [ 2319.522136][T16070] process_one_work+0x84d/0x18a0 [ 2319.522136][T16070] worker_thread+0x587/0xd30 [ 2319.522136][T16070] kthread+0x28a/0x350 [ 2319.522136][T16070] ret_from_fork+0x31/0x70 [ 2319.522136][T16070] ret_from_fork_asm+0x1a/0x30 [ 2319.522136][T16070] [ 2319.524144][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.524144][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.524144][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.524144][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.524144][T16070] ip6_route_add+0x1c/0x140 [ 2319.524144][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2319.524144][T16070] inet6_addr_add+0x4f8/0xa40 [ 2319.524144][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.524144][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.524144][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.524144][T16070] netlink_unicast+0x449/0x710 [ 2319.524144][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.524144][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.524144][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.524144][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.524144][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.524144][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.524144][T16070] [ 2319.526410][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.526410][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.526410][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.526410][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.526410][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2319.526410][T16070] ipv6_add_addr+0x411/0x2000 [ 2319.526410][T16070] inet6_addr_add+0x30e/0xa40 [ 2319.526410][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.526410][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.526410][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.526410][T16070] netlink_unicast+0x449/0x710 [ 2319.526410][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.526410][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.526410][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.526410][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.526410][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.526410][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.526410][T16070] [ 2319.528661][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.528661][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.528661][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.528661][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.528661][T16070] ip6_route_add+0x1c/0x140 [ 2319.528661][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.528661][T16070] addrconf_add_dev+0xe2/0x170 [ 2319.528661][T16070] inet6_addr_add+0x12f/0xa40 [ 2319.528661][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.528661][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.528661][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.528661][T16070] netlink_unicast+0x449/0x710 [ 2319.528661][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.528661][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.528661][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.528661][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.528661][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.528661][T16070] [ 2319.530878][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.530878][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2319.530878][T16070] ipv6_find_idev+0x102/0x170 [ 2319.530878][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.530878][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.530878][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.530878][T16070] netlink_unicast+0x449/0x710 [ 2319.530878][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.530878][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.530878][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.530878][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.530878][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.530878][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.530878][T16070] [ 2319.532606][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2319.532606][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2319.532606][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2319.532606][T16070] ipv6_find_idev+0x102/0x170 [ 2319.532606][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.532606][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.532606][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.532606][T16070] netlink_unicast+0x449/0x710 [ 2319.532606][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.532606][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.532606][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.532606][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.532606][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.532606][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.532606][T16070] [ 2319.534497][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2319.534804][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2319.534804][T16070] dst_init+0x84/0x4a0 [ 2319.534804][T16070] dst_alloc+0x97/0x150 [ 2319.534804][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.534804][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.534804][T16070] ip6_pol_route+0x56f/0x840 [ 2319.534804][T16070] fib6_rule_lookup+0x334/0x630 [ 2319.534804][T16070] ip6_route_output_flags+0x259/0x480 [ 2319.534804][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2319.534804][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2319.534804][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2319.534804][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2319.534804][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2319.534804][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.534804][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.534804][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.534804][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.534804][T16070] [ 2319.537049][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.537049][T16070] dst_init+0x84/0x4a0 [ 2319.537049][T16070] dst_alloc+0x97/0x150 [ 2319.537049][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.537049][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.537049][T16070] ip6_pol_route+0x56f/0x840 [ 2319.537049][T16070] fib6_rule_lookup+0x334/0x630 [ 2319.537049][T16070] ip6_route_output_flags+0x259/0x480 [ 2319.537049][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2319.537049][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2319.537049][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2319.537049][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2319.537049][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2319.537049][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2319.537049][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2319.537049][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2319.537049][T16070] ip6_input_finish+0x120/0x260 [ 2319.537049][T16070] [ 2319.539330][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.539330][T16070] dst_init+0x84/0x4a0 [ 2319.539330][T16070] dst_alloc+0x97/0x150 [ 2319.539330][T16070] ip6_dst_alloc+0x23/0x90 [ 2319.539330][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2319.539330][T16070] ip6_pol_route+0x56f/0x840 [ 2319.539330][T16070] fib6_rule_lookup+0x456/0x630 [ 2319.539330][T16070] ip6_route_input+0x59c/0xa50 [ 2319.539330][T16070] ipv6_rcv+0x397/0x810 [ 2319.539330][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2319.539330][T16070] process_backlog+0x101/0x620 [ 2319.539330][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2319.539330][T16070] net_rx_action+0x495/0xbe0 [ 2319.539330][T16070] __do_softirq+0x1b5/0x7f6 [ 2319.539330][T16070] [ 2319.541166][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.541166][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.541166][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.541166][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.541166][T16070] ip6_route_add+0x1c/0x140 [ 2319.541166][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2319.541166][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2319.541166][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2319.541166][T16070] addrconf_dad_begin+0x310/0x670 [ 2319.541166][T16070] addrconf_dad_work+0x10b/0xab0 [ 2319.541166][T16070] process_one_work+0x84d/0x18a0 [ 2319.541166][T16070] worker_thread+0x587/0xd30 [ 2319.541166][T16070] kthread+0x28a/0x350 [ 2319.541166][T16070] ret_from_fork+0x31/0x70 [ 2319.541166][T16070] ret_from_fork_asm+0x1a/0x30 [ 2319.541166][T16070] [ 2319.543413][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.543413][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.543413][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.543413][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.543413][T16070] ip6_route_add+0x1c/0x140 [ 2319.543413][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2319.543413][T16070] inet6_addr_add+0x4f8/0xa40 [ 2319.543413][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.543413][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.543413][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.543413][T16070] netlink_unicast+0x449/0x710 [ 2319.543413][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.543413][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.543413][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.543413][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.543413][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.543413][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.543413][T16070] [ 2319.546055][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.546055][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.546055][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.546055][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.546055][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2319.546055][T16070] ipv6_add_addr+0x411/0x2000 [ 2319.546055][T16070] inet6_addr_add+0x30e/0xa40 [ 2319.546055][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.546055][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.546055][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.546055][T16070] netlink_unicast+0x449/0x710 [ 2319.546055][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.546055][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.546055][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.546055][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.546055][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.546055][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.546055][T16070] [ 2319.548615][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.548615][T16070] netdev_get_by_index+0x5e/0x80 [ 2319.548615][T16070] fib6_nh_init+0x3d8/0x1580 [ 2319.548615][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2319.548615][T16070] ip6_route_add+0x1c/0x140 [ 2319.548615][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2319.548615][T16070] addrconf_add_dev+0xe2/0x170 [ 2319.548615][T16070] inet6_addr_add+0x12f/0xa40 [ 2319.548615][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2319.548615][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.548615][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.548615][T16070] netlink_unicast+0x449/0x710 [ 2319.548615][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.548615][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.548615][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.548615][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.548615][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.548615][T16070] [ 2319.551132][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.551132][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2319.551132][T16070] ipv6_find_idev+0x102/0x170 [ 2319.551132][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.551132][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.551132][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.551132][T16070] netlink_unicast+0x449/0x710 [ 2319.551132][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.551132][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.551132][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.551132][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.551132][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.551132][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.551132][T16070] [ 2319.553090][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2319.553090][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2319.553090][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2319.553090][T16070] ipv6_find_idev+0x102/0x170 [ 2319.553090][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2319.553090][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2319.553090][T16070] netlink_rcv_skb+0x130/0x360 [ 2319.553090][T16070] netlink_unicast+0x449/0x710 [ 2319.553090][T16070] netlink_sendmsg+0x723/0xbe0 [ 2319.553090][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2319.553090][T16070] ___sys_sendmsg+0xee/0x170 [ 2319.553090][T16070] __sys_sendmsg+0xcd/0x170 [ 2319.553090][T16070] do_syscall_64+0xc6/0x1e0 [ 2319.553090][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2319.553090][T16070] [ 2328.216939][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2328.217343][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.217343][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.217343][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.217343][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.217343][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.217343][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.217343][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.217343][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.217343][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.217343][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.217343][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.217343][ T74] process_one_work+0x84d/0x18a0 [ 2328.217343][ T74] worker_thread+0x587/0xd30 [ 2328.217343][ T74] kthread+0x28a/0x350 [ 2328.217343][ T74] ret_from_fork+0x31/0x70 [ 2328.217343][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.217343][ T74] [ 2328.219270][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.219270][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.219270][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.219270][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.219270][ T74] ip6_route_add+0x1c/0x140 [ 2328.219270][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.219270][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.219270][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.219270][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.219270][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.219270][ T74] netlink_unicast+0x449/0x710 [ 2328.219270][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.219270][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.219270][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.219270][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.219270][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.219270][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.219270][ T74] [ 2328.221278][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.221278][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.221278][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.221278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.221278][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.221278][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.221278][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.221278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.221278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.221278][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.221278][ T74] netlink_unicast+0x449/0x710 [ 2328.221278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.221278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.221278][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.221278][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.221278][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.221278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.221278][ T74] [ 2328.223285][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.223285][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.223285][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.223285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.223285][ T74] ip6_route_add+0x1c/0x140 [ 2328.223285][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.223285][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.223285][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.223285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.223285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.223285][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.223285][ T74] netlink_unicast+0x449/0x710 [ 2328.223285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.223285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.223285][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.223285][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.223285][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.223285][ T74] [ 2328.225241][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.225241][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.225241][ T74] ipv6_find_idev+0x102/0x170 [ 2328.225241][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.225241][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.225241][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.225241][ T74] netlink_unicast+0x449/0x710 [ 2328.225241][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.225241][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.225241][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.225241][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.225241][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.225241][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.225241][ T74] [ 2328.226775][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2328.226775][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.226775][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.226775][ T74] ipv6_find_idev+0x102/0x170 [ 2328.226775][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.226775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.226775][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.226775][ T74] netlink_unicast+0x449/0x710 [ 2328.226775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.226775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.226775][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.226775][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.226775][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.226775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.226775][ T74] [ 2328.228458][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2328.228711][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.228711][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.228711][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.228711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.228711][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.228711][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.228711][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.228711][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.228711][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.228711][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.228711][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.228711][ T74] process_one_work+0x84d/0x18a0 [ 2328.228711][ T74] worker_thread+0x587/0xd30 [ 2328.228711][ T74] kthread+0x28a/0x350 [ 2328.228711][ T74] ret_from_fork+0x31/0x70 [ 2328.228711][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.228711][ T74] [ 2328.230615][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.230615][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.230615][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.230615][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.230615][ T74] ip6_route_add+0x1c/0x140 [ 2328.230615][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.230615][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.230615][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.230615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.230615][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.230615][ T74] netlink_unicast+0x449/0x710 [ 2328.230615][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.230615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.230615][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.230615][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.230615][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.230615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.230615][ T74] [ 2328.232623][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.232623][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.232623][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.232623][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.232623][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.232623][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.232623][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.232623][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.232623][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.232623][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.232623][ T74] netlink_unicast+0x449/0x710 [ 2328.232623][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.232623][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.232623][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.232623][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.232623][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.232623][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.232623][ T74] [ 2328.234616][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.234616][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.234616][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.234616][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.234616][ T74] ip6_route_add+0x1c/0x140 [ 2328.234616][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.234616][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.234616][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.234616][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.234616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.234616][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.234616][ T74] netlink_unicast+0x449/0x710 [ 2328.234616][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.234616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.234616][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.234616][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.234616][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.234616][ T74] [ 2328.236579][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.236579][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.236579][ T74] ipv6_find_idev+0x102/0x170 [ 2328.236579][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.236579][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.236579][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.236579][ T74] netlink_unicast+0x449/0x710 [ 2328.236579][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.236579][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.236579][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.236579][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.236579][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.236579][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.236579][ T74] [ 2328.238638][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2328.238638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.238638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.238638][ T74] ipv6_find_idev+0x102/0x170 [ 2328.238638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.238638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.238638][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.238638][ T74] netlink_unicast+0x449/0x710 [ 2328.238638][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.238638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.238638][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.238638][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.238638][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.238638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.238638][ T74] [ 2328.240319][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2328.240555][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.240555][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.240555][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.240555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.240555][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.240555][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.240555][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.240555][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.240555][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.240555][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.240555][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.240555][ T74] process_one_work+0x84d/0x18a0 [ 2328.240555][ T74] worker_thread+0x587/0xd30 [ 2328.240555][ T74] kthread+0x28a/0x350 [ 2328.240555][ T74] ret_from_fork+0x31/0x70 [ 2328.240555][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.240555][ T74] [ 2328.242458][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.242458][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.242458][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.242458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.242458][ T74] ip6_route_add+0x1c/0x140 [ 2328.242458][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.242458][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.242458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.242458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.242458][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.242458][ T74] netlink_unicast+0x449/0x710 [ 2328.242458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.242458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.242458][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.242458][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.242458][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.242458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.242458][ T74] [ 2328.244619][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.244619][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.244619][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.244619][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.244619][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.244619][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.244619][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.244619][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.244619][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.244619][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.244619][ T74] netlink_unicast+0x449/0x710 [ 2328.244619][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.244619][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.244619][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.244619][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.244619][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.244619][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.244619][ T74] [ 2328.246846][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.246846][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.246846][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.246846][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.246846][ T74] ip6_route_add+0x1c/0x140 [ 2328.246846][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.246846][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.246846][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.246846][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.246846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.246846][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.246846][ T74] netlink_unicast+0x449/0x710 [ 2328.246846][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.246846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.246846][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.246846][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.246846][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.246846][ T74] [ 2328.249111][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.249111][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.249111][ T74] ipv6_find_idev+0x102/0x170 [ 2328.249111][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.249111][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.249111][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.249111][ T74] netlink_unicast+0x449/0x710 [ 2328.249111][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.249111][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.249111][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.249111][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.249111][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.249111][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.249111][ T74] [ 2328.250828][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2328.250828][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.250828][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.250828][ T74] ipv6_find_idev+0x102/0x170 [ 2328.250828][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.250828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.250828][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.250828][ T74] netlink_unicast+0x449/0x710 [ 2328.250828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.250828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.250828][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.250828][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.250828][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.250828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.250828][ T74] [ 2328.252628][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2328.253298][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.253298][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.253298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.253298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.253298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2328.253298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2328.253298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2328.253298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2328.253298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2328.253298][ T74] addrconf_dad_begin+0x310/0x670 [ 2328.253298][ T74] addrconf_dad_work+0x10b/0xab0 [ 2328.253298][ T74] process_one_work+0x84d/0x18a0 [ 2328.253298][ T74] worker_thread+0x587/0xd30 [ 2328.253298][ T74] kthread+0x28a/0x350 [ 2328.253298][ T74] ret_from_fork+0x31/0x70 [ 2328.253298][ T74] ret_from_fork_asm+0x1a/0x30 [ 2328.253298][ T74] [ 2328.255200][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.255200][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.255200][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.255200][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.255200][ T74] ip6_route_add+0x1c/0x140 [ 2328.255200][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2328.255200][ T74] inet6_addr_add+0x4f8/0xa40 [ 2328.255200][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.255200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.255200][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.255200][ T74] netlink_unicast+0x449/0x710 [ 2328.255200][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.255200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.255200][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.255200][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.255200][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.255200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.255200][ T74] [ 2328.257311][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.257311][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.257311][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.257311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.257311][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2328.257311][ T74] ipv6_add_addr+0x411/0x2000 [ 2328.257311][ T74] inet6_addr_add+0x30e/0xa40 [ 2328.257311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.257311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.257311][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.257311][ T74] netlink_unicast+0x449/0x710 [ 2328.257311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.257311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.257311][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.257311][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.257311][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.257311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.257311][ T74] [ 2328.259484][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.259484][ T74] netdev_get_by_index+0x5e/0x80 [ 2328.259484][ T74] fib6_nh_init+0x3d8/0x1580 [ 2328.259484][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2328.259484][ T74] ip6_route_add+0x1c/0x140 [ 2328.259484][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2328.259484][ T74] addrconf_add_dev+0xe2/0x170 [ 2328.259484][ T74] inet6_addr_add+0x12f/0xa40 [ 2328.259484][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2328.259484][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.259484][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.259484][ T74] netlink_unicast+0x449/0x710 [ 2328.259484][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.259484][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.259484][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.259484][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.259484][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.259484][ T74] [ 2328.261716][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.261716][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2328.261716][ T74] ipv6_find_idev+0x102/0x170 [ 2328.261716][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.261716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.261716][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.261716][ T74] netlink_unicast+0x449/0x710 [ 2328.261716][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.261716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.261716][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.261716][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.261716][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.261716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.261716][ T74] [ 2328.263423][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2328.263423][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2328.263423][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2328.263423][ T74] ipv6_find_idev+0x102/0x170 [ 2328.263423][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2328.263423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2328.263423][ T74] netlink_rcv_skb+0x130/0x360 [ 2328.263423][ T74] netlink_unicast+0x449/0x710 [ 2328.263423][ T74] netlink_sendmsg+0x723/0xbe0 [ 2328.263423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2328.263423][ T74] ___sys_sendmsg+0xee/0x170 [ 2328.263423][ T74] __sys_sendmsg+0xcd/0x170 [ 2328.263423][ T74] do_syscall_64+0xc6/0x1e0 [ 2328.263423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2328.263423][ T74] [ 2329.808935][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2329.809397][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2329.809397][T16070] dst_init+0x84/0x4a0 [ 2329.809397][T16070] dst_alloc+0x97/0x150 [ 2329.809397][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.809397][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.809397][T16070] ip6_pol_route+0x56f/0x840 [ 2329.809397][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2329.809397][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2329.809397][T16070] fib6_rule_lookup+0x182/0x630 [ 2329.809397][T16070] ip6_route_output_flags+0x259/0x480 [ 2329.809397][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2329.809397][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2329.809397][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2329.809397][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2329.809397][T16070] ip6_datagram_connect+0x2c/0x50 [ 2329.809397][T16070] __sys_connect+0x217/0x2a0 [ 2329.809397][T16070] __x64_sys_connect+0x72/0xb0 [ 2329.809397][T16070] [ 2329.811700][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2329.811700][T16070] dst_init+0x84/0x4a0 [ 2329.811700][T16070] dst_alloc+0x97/0x150 [ 2329.811700][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.811700][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.811700][T16070] ip6_pol_route+0x56f/0x840 [ 2329.811700][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2329.811700][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2329.811700][T16070] fib6_rule_lookup+0x182/0x630 [ 2329.811700][T16070] ip6_route_output_flags+0x259/0x480 [ 2329.811700][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2329.811700][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2329.811700][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2329.811700][T16070] __inet_stream_connect+0x272/0x9f0 [ 2329.811700][T16070] inet_stream_connect+0x57/0xa0 [ 2329.811700][T16070] __sys_connect+0x217/0x2a0 [ 2329.811700][T16070] __x64_sys_connect+0x72/0xb0 [ 2329.811700][T16070] [ 2329.813955][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.813955][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2329.813955][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2329.813955][T16070] fib6_nh_init+0xa22/0x1580 [ 2329.813955][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.813955][T16070] ip6_route_add+0x1c/0x140 [ 2329.813955][T16070] inet6_rtm_newroute+0x104/0x110 [ 2329.813955][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.813955][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.813955][T16070] netlink_unicast+0x449/0x710 [ 2329.813955][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.813955][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.813955][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.813955][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.813955][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.813955][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.813955][T16070] [ 2329.816071][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.816071][T16070] dst_init+0x84/0x4a0 [ 2329.816071][T16070] dst_alloc+0x97/0x150 [ 2329.816071][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.816071][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.816071][T16070] ip6_pol_route+0x56f/0x840 [ 2329.816071][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2329.816071][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2329.816071][T16070] fib6_rule_lookup+0x182/0x630 [ 2329.816071][T16070] ip6_route_input+0x59c/0xa50 [ 2329.816071][T16070] ipv6_rcv+0x397/0x810 [ 2329.816071][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.816071][T16070] process_backlog+0x101/0x620 [ 2329.816071][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2329.816071][T16070] net_rx_action+0x495/0xbe0 [ 2329.816071][T16070] __do_softirq+0x1b5/0x7f6 [ 2329.816071][T16070] [ 2329.818147][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.818147][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.818147][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.818147][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.818147][T16070] ip6_route_add+0x1c/0x140 [ 2329.818147][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2329.818147][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2329.818147][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2329.818147][T16070] addrconf_dad_begin+0x310/0x670 [ 2329.818147][T16070] addrconf_dad_work+0x10b/0xab0 [ 2329.818147][T16070] process_one_work+0x84d/0x18a0 [ 2329.818147][T16070] worker_thread+0x587/0xd30 [ 2329.818147][T16070] kthread+0x28a/0x350 [ 2329.818147][T16070] ret_from_fork+0x31/0x70 [ 2329.818147][T16070] ret_from_fork_asm+0x1a/0x30 [ 2329.818147][T16070] [ 2329.820160][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.820160][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.820160][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.820160][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.820160][T16070] ip6_route_add+0x1c/0x140 [ 2329.820160][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2329.820160][T16070] inet6_addr_add+0x4f8/0xa40 [ 2329.820160][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.820160][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.820160][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.820160][T16070] netlink_unicast+0x449/0x710 [ 2329.820160][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.820160][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.820160][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.820160][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.820160][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.820160][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.820160][T16070] [ 2329.822409][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.822409][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.822409][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.822409][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.822409][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2329.822409][T16070] ipv6_add_addr+0x411/0x2000 [ 2329.822409][T16070] inet6_addr_add+0x30e/0xa40 [ 2329.822409][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.822409][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.822409][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.822409][T16070] netlink_unicast+0x449/0x710 [ 2329.822409][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.822409][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.822409][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.822409][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.822409][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.822409][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.822409][T16070] [ 2329.824653][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.824653][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.824653][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.824653][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.824653][T16070] ip6_route_add+0x1c/0x140 [ 2329.824653][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.824653][T16070] addrconf_add_dev+0xe2/0x170 [ 2329.824653][T16070] inet6_addr_add+0x12f/0xa40 [ 2329.824653][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.824653][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.824653][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.824653][T16070] netlink_unicast+0x449/0x710 [ 2329.824653][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.824653][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.824653][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.824653][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.824653][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.824653][T16070] [ 2329.826864][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.826864][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2329.826864][T16070] ipv6_find_idev+0x102/0x170 [ 2329.826864][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.826864][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.826864][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.826864][T16070] netlink_unicast+0x449/0x710 [ 2329.826864][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.826864][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.826864][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.826864][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.826864][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.826864][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.826864][T16070] [ 2329.828585][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2329.828585][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2329.828585][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2329.828585][T16070] ipv6_find_idev+0x102/0x170 [ 2329.828585][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.828585][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.828585][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.828585][T16070] netlink_unicast+0x449/0x710 [ 2329.828585][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.828585][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.828585][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.828585][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.828585][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.828585][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.828585][T16070] [ 2329.830481][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2329.830785][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2329.830785][T16070] dst_init+0x84/0x4a0 [ 2329.830785][T16070] dst_alloc+0x97/0x150 [ 2329.830785][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.830785][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.830785][T16070] ip6_pol_route+0x56f/0x840 [ 2329.830785][T16070] fib6_rule_lookup+0x334/0x630 [ 2329.830785][T16070] ip6_route_output_flags+0x259/0x480 [ 2329.830785][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2329.830785][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2329.830785][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2329.830785][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2329.830785][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2329.830785][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.830785][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.830785][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.830785][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.830785][T16070] [ 2329.833044][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.833044][T16070] dst_init+0x84/0x4a0 [ 2329.833044][T16070] dst_alloc+0x97/0x150 [ 2329.833044][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.833044][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.833044][T16070] ip6_pol_route+0x56f/0x840 [ 2329.833044][T16070] fib6_rule_lookup+0x334/0x630 [ 2329.833044][T16070] ip6_route_output_flags+0x259/0x480 [ 2329.833044][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2329.833044][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2329.833044][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2329.833044][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2329.833044][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2329.833044][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2329.833044][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2329.833044][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2329.833044][T16070] ip6_input_finish+0x120/0x260 [ 2329.833044][T16070] [ 2329.835314][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.835314][T16070] dst_init+0x84/0x4a0 [ 2329.835314][T16070] dst_alloc+0x97/0x150 [ 2329.835314][T16070] ip6_dst_alloc+0x23/0x90 [ 2329.835314][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2329.835314][T16070] ip6_pol_route+0x56f/0x840 [ 2329.835314][T16070] fib6_rule_lookup+0x456/0x630 [ 2329.835314][T16070] ip6_route_input+0x59c/0xa50 [ 2329.835314][T16070] ipv6_rcv+0x397/0x810 [ 2329.835314][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2329.835314][T16070] process_backlog+0x101/0x620 [ 2329.835314][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2329.835314][T16070] net_rx_action+0x495/0xbe0 [ 2329.835314][T16070] __do_softirq+0x1b5/0x7f6 [ 2329.835314][T16070] [ 2329.837149][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.837149][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.837149][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.837149][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.837149][T16070] ip6_route_add+0x1c/0x140 [ 2329.837149][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2329.837149][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2329.837149][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2329.837149][T16070] addrconf_dad_begin+0x310/0x670 [ 2329.837149][T16070] addrconf_dad_work+0x10b/0xab0 [ 2329.837149][T16070] process_one_work+0x84d/0x18a0 [ 2329.837149][T16070] worker_thread+0x587/0xd30 [ 2329.837149][T16070] kthread+0x28a/0x350 [ 2329.837149][T16070] ret_from_fork+0x31/0x70 [ 2329.837149][T16070] ret_from_fork_asm+0x1a/0x30 [ 2329.837149][T16070] [ 2329.839384][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.839384][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.839384][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.839384][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.839384][T16070] ip6_route_add+0x1c/0x140 [ 2329.839384][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2329.839384][T16070] inet6_addr_add+0x4f8/0xa40 [ 2329.839384][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.839384][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.839384][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.839384][T16070] netlink_unicast+0x449/0x710 [ 2329.839384][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.839384][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.839384][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.839384][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.839384][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.839384][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.839384][T16070] [ 2329.841951][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.841951][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.841951][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.841951][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.841951][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2329.841951][T16070] ipv6_add_addr+0x411/0x2000 [ 2329.841951][T16070] inet6_addr_add+0x30e/0xa40 [ 2329.841951][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.841951][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.841951][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.841951][T16070] netlink_unicast+0x449/0x710 [ 2329.841951][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.841951][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.841951][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.841951][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.841951][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.841951][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.841951][T16070] [ 2329.844858][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.844858][T16070] netdev_get_by_index+0x5e/0x80 [ 2329.844858][T16070] fib6_nh_init+0x3d8/0x1580 [ 2329.844858][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2329.844858][T16070] ip6_route_add+0x1c/0x140 [ 2329.844858][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2329.844858][T16070] addrconf_add_dev+0xe2/0x170 [ 2329.844858][T16070] inet6_addr_add+0x12f/0xa40 [ 2329.844858][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2329.844858][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.844858][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.844858][T16070] netlink_unicast+0x449/0x710 [ 2329.844858][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.844858][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.844858][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.844858][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.844858][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.844858][T16070] [ 2329.847380][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.847380][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2329.847380][T16070] ipv6_find_idev+0x102/0x170 [ 2329.847380][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.847380][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.847380][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.847380][T16070] netlink_unicast+0x449/0x710 [ 2329.847380][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.847380][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.847380][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.847380][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.847380][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.847380][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.847380][T16070] [ 2329.849333][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2329.849333][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2329.849333][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2329.849333][T16070] ipv6_find_idev+0x102/0x170 [ 2329.849333][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2329.849333][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2329.849333][T16070] netlink_rcv_skb+0x130/0x360 [ 2329.849333][T16070] netlink_unicast+0x449/0x710 [ 2329.849333][T16070] netlink_sendmsg+0x723/0xbe0 [ 2329.849333][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2329.849333][T16070] ___sys_sendmsg+0xee/0x170 [ 2329.849333][T16070] __sys_sendmsg+0xcd/0x170 [ 2329.849333][T16070] do_syscall_64+0xc6/0x1e0 [ 2329.849333][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2329.849333][T16070] [ 2338.512927][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2338.513391][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.513391][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.513391][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.513391][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.513391][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.513391][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.513391][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.513391][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.513391][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.513391][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.513391][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.513391][ T74] process_one_work+0x84d/0x18a0 [ 2338.513391][ T74] worker_thread+0x587/0xd30 [ 2338.513391][ T74] kthread+0x28a/0x350 [ 2338.513391][ T74] ret_from_fork+0x31/0x70 [ 2338.513391][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.513391][ T74] [ 2338.515544][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.515544][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.515544][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.515544][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.515544][ T74] ip6_route_add+0x1c/0x140 [ 2338.515544][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.515544][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.515544][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.515544][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.515544][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.515544][ T74] netlink_unicast+0x449/0x710 [ 2338.515544][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.515544][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.515544][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.515544][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.515544][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.515544][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.515544][ T74] [ 2338.517793][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.517793][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.517793][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.517793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.517793][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.517793][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.517793][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.517793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.517793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.517793][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.517793][ T74] netlink_unicast+0x449/0x710 [ 2338.517793][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.517793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.517793][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.517793][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.517793][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.517793][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.517793][ T74] [ 2338.520046][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.520046][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.520046][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.520046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.520046][ T74] ip6_route_add+0x1c/0x140 [ 2338.520046][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.520046][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.520046][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.520046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.520046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.520046][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.520046][ T74] netlink_unicast+0x449/0x710 [ 2338.520046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.520046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.520046][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.520046][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.520046][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.520046][ T74] [ 2338.522249][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.522249][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.522249][ T74] ipv6_find_idev+0x102/0x170 [ 2338.522249][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.522249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.522249][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.522249][ T74] netlink_unicast+0x449/0x710 [ 2338.522249][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.522249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.522249][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.522249][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.522249][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.522249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.522249][ T74] [ 2338.523981][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2338.523981][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.523981][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.523981][ T74] ipv6_find_idev+0x102/0x170 [ 2338.523981][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.523981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.523981][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.523981][ T74] netlink_unicast+0x449/0x710 [ 2338.523981][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.523981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.523981][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.523981][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.523981][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.523981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.523981][ T74] [ 2338.525882][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2338.526143][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.526143][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.526143][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.526143][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.526143][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.526143][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.526143][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.526143][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.526143][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.526143][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.526143][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.526143][ T74] process_one_work+0x84d/0x18a0 [ 2338.526143][ T74] worker_thread+0x587/0xd30 [ 2338.526143][ T74] kthread+0x28a/0x350 [ 2338.526143][ T74] ret_from_fork+0x31/0x70 [ 2338.526143][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.526143][ T74] [ 2338.528280][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.528280][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.528280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.528280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.528280][ T74] ip6_route_add+0x1c/0x140 [ 2338.528280][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.528280][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.528280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.528280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.528280][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.528280][ T74] netlink_unicast+0x449/0x710 [ 2338.528280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.528280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.528280][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.528280][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.528280][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.528280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.528280][ T74] [ 2338.530523][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.530523][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.530523][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.530523][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.530523][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.530523][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.530523][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.530523][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.530523][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.530523][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.530523][ T74] netlink_unicast+0x449/0x710 [ 2338.530523][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.530523][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.530523][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.530523][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.530523][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.530523][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.530523][ T74] [ 2338.532767][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.532767][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.532767][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.532767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.532767][ T74] ip6_route_add+0x1c/0x140 [ 2338.532767][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.532767][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.532767][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.532767][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.532767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.532767][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.532767][ T74] netlink_unicast+0x449/0x710 [ 2338.532767][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.532767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.532767][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.532767][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.532767][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.532767][ T74] [ 2338.534977][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.534977][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.534977][ T74] ipv6_find_idev+0x102/0x170 [ 2338.534977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.534977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.534977][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.534977][ T74] netlink_unicast+0x449/0x710 [ 2338.534977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.534977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.534977][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.534977][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.534977][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.534977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.534977][ T74] [ 2338.536690][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2338.536690][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.536690][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.536690][ T74] ipv6_find_idev+0x102/0x170 [ 2338.536690][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.536690][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.536690][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.536690][ T74] netlink_unicast+0x449/0x710 [ 2338.536690][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.536690][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.536690][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.536690][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.536690][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.536690][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.536690][ T74] [ 2338.538563][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2338.538823][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.538823][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.538823][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.538823][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.538823][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.538823][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.538823][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.538823][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.538823][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.538823][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.538823][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.538823][ T74] process_one_work+0x84d/0x18a0 [ 2338.538823][ T74] worker_thread+0x587/0xd30 [ 2338.538823][ T74] kthread+0x28a/0x350 [ 2338.538823][ T74] ret_from_fork+0x31/0x70 [ 2338.538823][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.538823][ T74] [ 2338.540985][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.540985][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.540985][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.540985][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.540985][ T74] ip6_route_add+0x1c/0x140 [ 2338.540985][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.540985][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.540985][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.540985][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.540985][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.540985][ T74] netlink_unicast+0x449/0x710 [ 2338.540985][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.540985][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.540985][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.540985][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.540985][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.540985][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.540985][ T74] [ 2338.543409][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.543409][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.543409][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.543409][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.543409][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.543409][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.543409][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.543409][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.543409][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.543409][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.543409][ T74] netlink_unicast+0x449/0x710 [ 2338.543409][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.543409][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.543409][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.543409][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.543409][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.543409][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.543409][ T74] [ 2338.545942][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.545942][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.545942][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.545942][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.545942][ T74] ip6_route_add+0x1c/0x140 [ 2338.545942][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.545942][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.545942][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.545942][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.545942][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.545942][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.545942][ T74] netlink_unicast+0x449/0x710 [ 2338.545942][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.545942][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.545942][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.545942][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.545942][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.545942][ T74] [ 2338.548403][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.548403][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.548403][ T74] ipv6_find_idev+0x102/0x170 [ 2338.548403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.548403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.548403][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.548403][ T74] netlink_unicast+0x449/0x710 [ 2338.548403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.548403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.548403][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.548403][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.548403][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.548403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.548403][ T74] [ 2338.550273][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2338.550273][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.550273][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.550273][ T74] ipv6_find_idev+0x102/0x170 [ 2338.550273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.550273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.550273][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.550273][ T74] netlink_unicast+0x449/0x710 [ 2338.550273][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.550273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.550273][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.550273][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.550273][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.550273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.550273][ T74] [ 2338.552329][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2338.552584][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.552584][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.552584][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.552584][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.552584][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2338.552584][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2338.552584][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2338.552584][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2338.552584][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2338.552584][ T74] addrconf_dad_begin+0x310/0x670 [ 2338.552584][ T74] addrconf_dad_work+0x10b/0xab0 [ 2338.552584][ T74] process_one_work+0x84d/0x18a0 [ 2338.552584][ T74] worker_thread+0x587/0xd30 [ 2338.552584][ T74] kthread+0x28a/0x350 [ 2338.552584][ T74] ret_from_fork+0x31/0x70 [ 2338.552584][ T74] ret_from_fork_asm+0x1a/0x30 [ 2338.552584][ T74] [ 2338.555031][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.555031][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.555031][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.555031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.555031][ T74] ip6_route_add+0x1c/0x140 [ 2338.555031][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2338.555031][ T74] inet6_addr_add+0x4f8/0xa40 [ 2338.555031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.555031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.555031][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.555031][ T74] netlink_unicast+0x449/0x710 [ 2338.555031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.555031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.555031][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.555031][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.555031][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.555031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.555031][ T74] [ 2338.557506][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.557506][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.557506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.557506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.557506][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2338.557506][ T74] ipv6_add_addr+0x411/0x2000 [ 2338.557506][ T74] inet6_addr_add+0x30e/0xa40 [ 2338.557506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.557506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.557506][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.557506][ T74] netlink_unicast+0x449/0x710 [ 2338.557506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.557506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.557506][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.557506][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.557506][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.557506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.557506][ T74] [ 2338.560007][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.560007][ T74] netdev_get_by_index+0x5e/0x80 [ 2338.560007][ T74] fib6_nh_init+0x3d8/0x1580 [ 2338.560007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2338.560007][ T74] ip6_route_add+0x1c/0x140 [ 2338.560007][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2338.560007][ T74] addrconf_add_dev+0xe2/0x170 [ 2338.560007][ T74] inet6_addr_add+0x12f/0xa40 [ 2338.560007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2338.560007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.560007][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.560007][ T74] netlink_unicast+0x449/0x710 [ 2338.560007][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.560007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.560007][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.560007][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.560007][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.560007][ T74] [ 2338.562285][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.562285][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2338.562285][ T74] ipv6_find_idev+0x102/0x170 [ 2338.562285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.562285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.562285][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.562285][ T74] netlink_unicast+0x449/0x710 [ 2338.562285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.562285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.562285][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.562285][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.562285][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.562285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.562285][ T74] [ 2338.564185][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2338.564185][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2338.564185][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2338.564185][ T74] ipv6_find_idev+0x102/0x170 [ 2338.564185][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2338.564185][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2338.564185][ T74] netlink_rcv_skb+0x130/0x360 [ 2338.564185][ T74] netlink_unicast+0x449/0x710 [ 2338.564185][ T74] netlink_sendmsg+0x723/0xbe0 [ 2338.564185][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2338.564185][ T74] ___sys_sendmsg+0xee/0x170 [ 2338.564185][ T74] __sys_sendmsg+0xcd/0x170 [ 2338.564185][ T74] do_syscall_64+0xc6/0x1e0 [ 2338.564185][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2338.564185][ T74] [ 2339.856940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2339.857411][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2339.857411][T16070] dst_init+0x84/0x4a0 [ 2339.857411][T16070] dst_alloc+0x97/0x150 [ 2339.857411][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.857411][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.857411][T16070] ip6_pol_route+0x56f/0x840 [ 2339.857411][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2339.857411][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2339.857411][T16070] fib6_rule_lookup+0x182/0x630 [ 2339.857411][T16070] ip6_route_output_flags+0x259/0x480 [ 2339.857411][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2339.857411][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2339.857411][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2339.857411][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2339.857411][T16070] ip6_datagram_connect+0x2c/0x50 [ 2339.857411][T16070] __sys_connect+0x217/0x2a0 [ 2339.857411][T16070] __x64_sys_connect+0x72/0xb0 [ 2339.857411][T16070] [ 2339.859735][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2339.859735][T16070] dst_init+0x84/0x4a0 [ 2339.859735][T16070] dst_alloc+0x97/0x150 [ 2339.859735][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.859735][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.859735][T16070] ip6_pol_route+0x56f/0x840 [ 2339.859735][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2339.859735][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2339.859735][T16070] fib6_rule_lookup+0x182/0x630 [ 2339.859735][T16070] ip6_route_output_flags+0x259/0x480 [ 2339.859735][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2339.859735][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2339.859735][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2339.859735][T16070] __inet_stream_connect+0x272/0x9f0 [ 2339.859735][T16070] inet_stream_connect+0x57/0xa0 [ 2339.859735][T16070] __sys_connect+0x217/0x2a0 [ 2339.859735][T16070] __x64_sys_connect+0x72/0xb0 [ 2339.859735][T16070] [ 2339.861989][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.861989][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2339.861989][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2339.861989][T16070] fib6_nh_init+0xa22/0x1580 [ 2339.861989][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.861989][T16070] ip6_route_add+0x1c/0x140 [ 2339.861989][T16070] inet6_rtm_newroute+0x104/0x110 [ 2339.861989][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.861989][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.861989][T16070] netlink_unicast+0x449/0x710 [ 2339.861989][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.861989][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.861989][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.861989][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.861989][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.861989][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.861989][T16070] [ 2339.864095][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.864095][T16070] dst_init+0x84/0x4a0 [ 2339.864095][T16070] dst_alloc+0x97/0x150 [ 2339.864095][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.864095][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.864095][T16070] ip6_pol_route+0x56f/0x840 [ 2339.864095][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2339.864095][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2339.864095][T16070] fib6_rule_lookup+0x182/0x630 [ 2339.864095][T16070] ip6_route_input+0x59c/0xa50 [ 2339.864095][T16070] ipv6_rcv+0x397/0x810 [ 2339.864095][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2339.864095][T16070] process_backlog+0x101/0x620 [ 2339.864095][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2339.864095][T16070] net_rx_action+0x495/0xbe0 [ 2339.864095][T16070] __do_softirq+0x1b5/0x7f6 [ 2339.864095][T16070] [ 2339.866172][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.866172][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.866172][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.866172][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.866172][T16070] ip6_route_add+0x1c/0x140 [ 2339.866172][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2339.866172][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2339.866172][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2339.866172][T16070] addrconf_dad_begin+0x310/0x670 [ 2339.866172][T16070] addrconf_dad_work+0x10b/0xab0 [ 2339.866172][T16070] process_one_work+0x84d/0x18a0 [ 2339.866172][T16070] worker_thread+0x587/0xd30 [ 2339.866172][T16070] kthread+0x28a/0x350 [ 2339.866172][T16070] ret_from_fork+0x31/0x70 [ 2339.866172][T16070] ret_from_fork_asm+0x1a/0x30 [ 2339.866172][T16070] [ 2339.868174][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.868174][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.868174][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.868174][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.868174][T16070] ip6_route_add+0x1c/0x140 [ 2339.868174][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2339.868174][T16070] inet6_addr_add+0x4f8/0xa40 [ 2339.868174][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.868174][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.868174][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.868174][T16070] netlink_unicast+0x449/0x710 [ 2339.868174][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.868174][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.868174][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.868174][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.868174][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.868174][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.868174][T16070] [ 2339.870422][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.870422][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.870422][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.870422][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.870422][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2339.870422][T16070] ipv6_add_addr+0x411/0x2000 [ 2339.870422][T16070] inet6_addr_add+0x30e/0xa40 [ 2339.870422][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.870422][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.870422][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.870422][T16070] netlink_unicast+0x449/0x710 [ 2339.870422][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.870422][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.870422][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.870422][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.870422][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.870422][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.870422][T16070] [ 2339.872683][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.872683][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.872683][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.872683][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.872683][T16070] ip6_route_add+0x1c/0x140 [ 2339.872683][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.872683][T16070] addrconf_add_dev+0xe2/0x170 [ 2339.872683][T16070] inet6_addr_add+0x12f/0xa40 [ 2339.872683][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.872683][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.872683][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.872683][T16070] netlink_unicast+0x449/0x710 [ 2339.872683][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.872683][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.872683][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.872683][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.872683][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.872683][T16070] [ 2339.874883][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.874883][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2339.874883][T16070] ipv6_find_idev+0x102/0x170 [ 2339.874883][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.874883][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.874883][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.874883][T16070] netlink_unicast+0x449/0x710 [ 2339.874883][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.874883][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.874883][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.874883][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.874883][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.874883][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.874883][T16070] [ 2339.876608][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2339.876608][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2339.876608][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2339.876608][T16070] ipv6_find_idev+0x102/0x170 [ 2339.876608][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.876608][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.876608][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.876608][T16070] netlink_unicast+0x449/0x710 [ 2339.876608][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.876608][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.876608][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.876608][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.876608][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.876608][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.876608][T16070] [ 2339.878500][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2339.878811][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2339.878811][T16070] dst_init+0x84/0x4a0 [ 2339.878811][T16070] dst_alloc+0x97/0x150 [ 2339.878811][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.878811][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.878811][T16070] ip6_pol_route+0x56f/0x840 [ 2339.878811][T16070] fib6_rule_lookup+0x334/0x630 [ 2339.878811][T16070] ip6_route_output_flags+0x259/0x480 [ 2339.878811][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2339.878811][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2339.878811][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2339.878811][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2339.878811][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2339.878811][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.878811][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.878811][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.878811][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.878811][T16070] [ 2339.881058][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.881058][T16070] dst_init+0x84/0x4a0 [ 2339.881058][T16070] dst_alloc+0x97/0x150 [ 2339.881058][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.881058][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.881058][T16070] ip6_pol_route+0x56f/0x840 [ 2339.881058][T16070] fib6_rule_lookup+0x334/0x630 [ 2339.881058][T16070] ip6_route_output_flags+0x259/0x480 [ 2339.881058][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2339.881058][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2339.881058][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2339.881058][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2339.881058][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2339.881058][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2339.881058][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2339.881058][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2339.881058][T16070] ip6_input_finish+0x120/0x260 [ 2339.881058][T16070] [ 2339.883336][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.883336][T16070] dst_init+0x84/0x4a0 [ 2339.883336][T16070] dst_alloc+0x97/0x150 [ 2339.883336][T16070] ip6_dst_alloc+0x23/0x90 [ 2339.883336][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2339.883336][T16070] ip6_pol_route+0x56f/0x840 [ 2339.883336][T16070] fib6_rule_lookup+0x456/0x630 [ 2339.883336][T16070] ip6_route_input+0x59c/0xa50 [ 2339.883336][T16070] ipv6_rcv+0x397/0x810 [ 2339.883336][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2339.883336][T16070] process_backlog+0x101/0x620 [ 2339.883336][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2339.883336][T16070] net_rx_action+0x495/0xbe0 [ 2339.883336][T16070] __do_softirq+0x1b5/0x7f6 [ 2339.883336][T16070] [ 2339.885169][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.885169][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.885169][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.885169][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.885169][T16070] ip6_route_add+0x1c/0x140 [ 2339.885169][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2339.885169][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2339.885169][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2339.885169][T16070] addrconf_dad_begin+0x310/0x670 [ 2339.885169][T16070] addrconf_dad_work+0x10b/0xab0 [ 2339.885169][T16070] process_one_work+0x84d/0x18a0 [ 2339.885169][T16070] worker_thread+0x587/0xd30 [ 2339.885169][T16070] kthread+0x28a/0x350 [ 2339.885169][T16070] ret_from_fork+0x31/0x70 [ 2339.885169][T16070] ret_from_fork_asm+0x1a/0x30 [ 2339.885169][T16070] [ 2339.887428][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.887428][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.887428][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.887428][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.887428][T16070] ip6_route_add+0x1c/0x140 [ 2339.887428][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2339.887428][T16070] inet6_addr_add+0x4f8/0xa40 [ 2339.887428][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.887428][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.887428][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.887428][T16070] netlink_unicast+0x449/0x710 [ 2339.887428][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.887428][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.887428][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.887428][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.887428][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.887428][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.887428][T16070] [ 2339.889999][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.889999][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.889999][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.889999][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.889999][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2339.889999][T16070] ipv6_add_addr+0x411/0x2000 [ 2339.889999][T16070] inet6_addr_add+0x30e/0xa40 [ 2339.889999][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.889999][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.889999][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.889999][T16070] netlink_unicast+0x449/0x710 [ 2339.889999][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.889999][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.889999][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.889999][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.889999][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.889999][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.889999][T16070] [ 2339.892556][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.892556][T16070] netdev_get_by_index+0x5e/0x80 [ 2339.892556][T16070] fib6_nh_init+0x3d8/0x1580 [ 2339.892556][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2339.892556][T16070] ip6_route_add+0x1c/0x140 [ 2339.892556][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2339.892556][T16070] addrconf_add_dev+0xe2/0x170 [ 2339.892556][T16070] inet6_addr_add+0x12f/0xa40 [ 2339.892556][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2339.892556][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.892556][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.892556][T16070] netlink_unicast+0x449/0x710 [ 2339.892556][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.892556][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.892556][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.892556][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.892556][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.892556][T16070] [ 2339.895076][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.895076][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2339.895076][T16070] ipv6_find_idev+0x102/0x170 [ 2339.895076][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.895076][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.895076][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.895076][T16070] netlink_unicast+0x449/0x710 [ 2339.895076][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.895076][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.895076][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.895076][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.895076][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.895076][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.895076][T16070] [ 2339.897109][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2339.897109][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2339.897109][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2339.897109][T16070] ipv6_find_idev+0x102/0x170 [ 2339.897109][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2339.897109][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2339.897109][T16070] netlink_rcv_skb+0x130/0x360 [ 2339.897109][T16070] netlink_unicast+0x449/0x710 [ 2339.897109][T16070] netlink_sendmsg+0x723/0xbe0 [ 2339.897109][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2339.897109][T16070] ___sys_sendmsg+0xee/0x170 [ 2339.897109][T16070] __sys_sendmsg+0xcd/0x170 [ 2339.897109][T16070] do_syscall_64+0xc6/0x1e0 [ 2339.897109][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2339.897109][T16070] [ 2348.816930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2348.817392][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.817392][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.817392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.817392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.817392][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2348.817392][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2348.817392][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2348.817392][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2348.817392][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2348.817392][ T74] addrconf_dad_begin+0x310/0x670 [ 2348.817392][ T74] addrconf_dad_work+0x10b/0xab0 [ 2348.817392][ T74] process_one_work+0x84d/0x18a0 [ 2348.817392][ T74] worker_thread+0x587/0xd30 [ 2348.817392][ T74] kthread+0x28a/0x350 [ 2348.817392][ T74] ret_from_fork+0x31/0x70 [ 2348.817392][ T74] ret_from_fork_asm+0x1a/0x30 [ 2348.817392][ T74] [ 2348.819554][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.819554][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.819554][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.819554][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.819554][ T74] ip6_route_add+0x1c/0x140 [ 2348.819554][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2348.819554][ T74] inet6_addr_add+0x4f8/0xa40 [ 2348.819554][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.819554][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.819554][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.819554][ T74] netlink_unicast+0x449/0x710 [ 2348.819554][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.819554][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.819554][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.819554][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.819554][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.819554][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.819554][ T74] [ 2348.821798][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.821798][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.821798][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.821798][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.821798][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2348.821798][ T74] ipv6_add_addr+0x411/0x2000 [ 2348.821798][ T74] inet6_addr_add+0x30e/0xa40 [ 2348.821798][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.821798][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.821798][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.821798][ T74] netlink_unicast+0x449/0x710 [ 2348.821798][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.821798][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.821798][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.821798][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.821798][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.821798][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.821798][ T74] [ 2348.824035][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.824035][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.824035][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.824035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.824035][ T74] ip6_route_add+0x1c/0x140 [ 2348.824035][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2348.824035][ T74] addrconf_add_dev+0xe2/0x170 [ 2348.824035][ T74] inet6_addr_add+0x12f/0xa40 [ 2348.824035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.824035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.824035][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.824035][ T74] netlink_unicast+0x449/0x710 [ 2348.824035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.824035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.824035][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.824035][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.824035][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.824035][ T74] [ 2348.826233][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.826233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2348.826233][ T74] ipv6_find_idev+0x102/0x170 [ 2348.826233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.826233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.826233][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.826233][ T74] netlink_unicast+0x449/0x710 [ 2348.826233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.826233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.826233][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.826233][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.826233][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.826233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.826233][ T74] [ 2348.827947][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2348.827947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2348.827947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2348.827947][ T74] ipv6_find_idev+0x102/0x170 [ 2348.827947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.827947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.827947][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.827947][ T74] netlink_unicast+0x449/0x710 [ 2348.827947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.827947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.827947][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.827947][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.827947][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.827947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.827947][ T74] [ 2348.829836][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2348.830096][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.830096][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.830096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.830096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.830096][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2348.830096][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2348.830096][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2348.830096][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2348.830096][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2348.830096][ T74] addrconf_dad_begin+0x310/0x670 [ 2348.830096][ T74] addrconf_dad_work+0x10b/0xab0 [ 2348.830096][ T74] process_one_work+0x84d/0x18a0 [ 2348.830096][ T74] worker_thread+0x587/0xd30 [ 2348.830096][ T74] kthread+0x28a/0x350 [ 2348.830096][ T74] ret_from_fork+0x31/0x70 [ 2348.830096][ T74] ret_from_fork_asm+0x1a/0x30 [ 2348.830096][ T74] [ 2348.832228][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.832228][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.832228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.832228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.832228][ T74] ip6_route_add+0x1c/0x140 [ 2348.832228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2348.832228][ T74] inet6_addr_add+0x4f8/0xa40 [ 2348.832228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.832228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.832228][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.832228][ T74] netlink_unicast+0x449/0x710 [ 2348.832228][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.832228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.832228][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.832228][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.832228][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.832228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.832228][ T74] [ 2348.834460][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.834460][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.834460][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.834460][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.834460][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2348.834460][ T74] ipv6_add_addr+0x411/0x2000 [ 2348.834460][ T74] inet6_addr_add+0x30e/0xa40 [ 2348.834460][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.834460][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.834460][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.834460][ T74] netlink_unicast+0x449/0x710 [ 2348.834460][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.834460][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.834460][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.834460][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.834460][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.834460][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.834460][ T74] [ 2348.836706][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.836706][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.836706][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.836706][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.836706][ T74] ip6_route_add+0x1c/0x140 [ 2348.836706][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2348.836706][ T74] addrconf_add_dev+0xe2/0x170 [ 2348.836706][ T74] inet6_addr_add+0x12f/0xa40 [ 2348.836706][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.836706][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.836706][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.836706][ T74] netlink_unicast+0x449/0x710 [ 2348.836706][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.836706][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.836706][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.836706][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.836706][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.836706][ T74] [ 2348.838908][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.838908][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2348.838908][ T74] ipv6_find_idev+0x102/0x170 [ 2348.838908][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.838908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.838908][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.838908][ T74] netlink_unicast+0x449/0x710 [ 2348.838908][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.838908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.838908][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.838908][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.838908][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.838908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.838908][ T74] [ 2348.840643][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2348.840643][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2348.840643][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2348.840643][ T74] ipv6_find_idev+0x102/0x170 [ 2348.840643][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.840643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.840643][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.840643][ T74] netlink_unicast+0x449/0x710 [ 2348.840643][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.840643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.840643][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.840643][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.840643][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.840643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.840643][ T74] [ 2348.842530][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2348.842812][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.842812][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.842812][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.842812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.842812][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2348.842812][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2348.842812][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2348.842812][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2348.842812][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2348.842812][ T74] addrconf_dad_begin+0x310/0x670 [ 2348.842812][ T74] addrconf_dad_work+0x10b/0xab0 [ 2348.842812][ T74] process_one_work+0x84d/0x18a0 [ 2348.842812][ T74] worker_thread+0x587/0xd30 [ 2348.842812][ T74] kthread+0x28a/0x350 [ 2348.842812][ T74] ret_from_fork+0x31/0x70 [ 2348.842812][ T74] ret_from_fork_asm+0x1a/0x30 [ 2348.842812][ T74] [ 2348.844943][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.844943][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.844943][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.844943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.844943][ T74] ip6_route_add+0x1c/0x140 [ 2348.844943][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2348.844943][ T74] inet6_addr_add+0x4f8/0xa40 [ 2348.844943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.844943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.844943][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.844943][ T74] netlink_unicast+0x449/0x710 [ 2348.844943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.844943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.844943][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.844943][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.844943][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.844943][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.844943][ T74] [ 2348.847365][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.847365][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.847365][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.847365][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.847365][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2348.847365][ T74] ipv6_add_addr+0x411/0x2000 [ 2348.847365][ T74] inet6_addr_add+0x30e/0xa40 [ 2348.847365][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.847365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.847365][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.847365][ T74] netlink_unicast+0x449/0x710 [ 2348.847365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.847365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.847365][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.847365][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.847365][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.847365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.847365][ T74] [ 2348.849863][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.849863][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.849863][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.849863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.849863][ T74] ip6_route_add+0x1c/0x140 [ 2348.849863][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2348.849863][ T74] addrconf_add_dev+0xe2/0x170 [ 2348.849863][ T74] inet6_addr_add+0x12f/0xa40 [ 2348.849863][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.849863][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.849863][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.849863][ T74] netlink_unicast+0x449/0x710 [ 2348.849863][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.849863][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.849863][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.849863][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.849863][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.849863][ T74] [ 2348.852306][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.852306][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2348.852306][ T74] ipv6_find_idev+0x102/0x170 [ 2348.852306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.852306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.852306][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.852306][ T74] netlink_unicast+0x449/0x710 [ 2348.852306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.852306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.852306][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.852306][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.852306][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.852306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.852306][ T74] [ 2348.854219][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2348.854219][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2348.854219][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2348.854219][ T74] ipv6_find_idev+0x102/0x170 [ 2348.854219][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.854219][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.854219][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.854219][ T74] netlink_unicast+0x449/0x710 [ 2348.854219][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.854219][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.854219][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.854219][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.854219][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.854219][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.854219][ T74] [ 2348.856273][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2348.856529][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.856529][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.856529][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.856529][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.856529][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2348.856529][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2348.856529][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2348.856529][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2348.856529][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2348.856529][ T74] addrconf_dad_begin+0x310/0x670 [ 2348.856529][ T74] addrconf_dad_work+0x10b/0xab0 [ 2348.856529][ T74] process_one_work+0x84d/0x18a0 [ 2348.856529][ T74] worker_thread+0x587/0xd30 [ 2348.856529][ T74] kthread+0x28a/0x350 [ 2348.856529][ T74] ret_from_fork+0x31/0x70 [ 2348.856529][ T74] ret_from_fork_asm+0x1a/0x30 [ 2348.856529][ T74] [ 2348.858969][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.858969][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.858969][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.858969][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.858969][ T74] ip6_route_add+0x1c/0x140 [ 2348.858969][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2348.858969][ T74] inet6_addr_add+0x4f8/0xa40 [ 2348.858969][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.858969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.858969][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.858969][ T74] netlink_unicast+0x449/0x710 [ 2348.858969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.858969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.858969][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.858969][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.858969][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.858969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.858969][ T74] [ 2348.861458][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.861458][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.861458][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.861458][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.861458][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2348.861458][ T74] ipv6_add_addr+0x411/0x2000 [ 2348.861458][ T74] inet6_addr_add+0x30e/0xa40 [ 2348.861458][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.861458][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.861458][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.861458][ T74] netlink_unicast+0x449/0x710 [ 2348.861458][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.861458][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.861458][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.861458][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.861458][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.861458][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.861458][ T74] [ 2348.863939][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.863939][ T74] netdev_get_by_index+0x5e/0x80 [ 2348.863939][ T74] fib6_nh_init+0x3d8/0x1580 [ 2348.863939][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2348.863939][ T74] ip6_route_add+0x1c/0x140 [ 2348.863939][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2348.863939][ T74] addrconf_add_dev+0xe2/0x170 [ 2348.863939][ T74] inet6_addr_add+0x12f/0xa40 [ 2348.863939][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2348.863939][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.863939][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.863939][ T74] netlink_unicast+0x449/0x710 [ 2348.863939][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.863939][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.863939][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.863939][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.863939][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.863939][ T74] [ 2348.866859][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.866859][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2348.866859][ T74] ipv6_find_idev+0x102/0x170 [ 2348.866859][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.866859][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.866859][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.866859][ T74] netlink_unicast+0x449/0x710 [ 2348.866859][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.866859][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.866859][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.866859][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.866859][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.866859][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.866859][ T74] [ 2348.868711][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2348.868711][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2348.868711][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2348.868711][ T74] ipv6_find_idev+0x102/0x170 [ 2348.868711][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2348.868711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2348.868711][ T74] netlink_rcv_skb+0x130/0x360 [ 2348.868711][ T74] netlink_unicast+0x449/0x710 [ 2348.868711][ T74] netlink_sendmsg+0x723/0xbe0 [ 2348.868711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2348.868711][ T74] ___sys_sendmsg+0xee/0x170 [ 2348.868711][ T74] __sys_sendmsg+0xcd/0x170 [ 2348.868711][ T74] do_syscall_64+0xc6/0x1e0 [ 2348.868711][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2348.868711][ T74] [ 2350.040923][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2350.041394][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2350.041394][T16070] dst_init+0x84/0x4a0 [ 2350.041394][T16070] dst_alloc+0x97/0x150 [ 2350.041394][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.041394][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.041394][T16070] ip6_pol_route+0x56f/0x840 [ 2350.041394][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2350.041394][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2350.041394][T16070] fib6_rule_lookup+0x182/0x630 [ 2350.041394][T16070] ip6_route_output_flags+0x259/0x480 [ 2350.041394][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2350.041394][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2350.041394][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2350.041394][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2350.041394][T16070] ip6_datagram_connect+0x2c/0x50 [ 2350.041394][T16070] __sys_connect+0x217/0x2a0 [ 2350.041394][T16070] __x64_sys_connect+0x72/0xb0 [ 2350.041394][T16070] [ 2350.043693][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2350.043693][T16070] dst_init+0x84/0x4a0 [ 2350.043693][T16070] dst_alloc+0x97/0x150 [ 2350.043693][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.043693][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.043693][T16070] ip6_pol_route+0x56f/0x840 [ 2350.043693][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2350.043693][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2350.043693][T16070] fib6_rule_lookup+0x182/0x630 [ 2350.043693][T16070] ip6_route_output_flags+0x259/0x480 [ 2350.043693][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2350.043693][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2350.043693][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2350.043693][T16070] __inet_stream_connect+0x272/0x9f0 [ 2350.043693][T16070] inet_stream_connect+0x57/0xa0 [ 2350.043693][T16070] __sys_connect+0x217/0x2a0 [ 2350.043693][T16070] __x64_sys_connect+0x72/0xb0 [ 2350.043693][T16070] [ 2350.045958][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.045958][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2350.045958][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2350.045958][T16070] fib6_nh_init+0xa22/0x1580 [ 2350.045958][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.045958][T16070] ip6_route_add+0x1c/0x140 [ 2350.045958][T16070] inet6_rtm_newroute+0x104/0x110 [ 2350.045958][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.045958][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.045958][T16070] netlink_unicast+0x449/0x710 [ 2350.045958][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.045958][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.045958][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.045958][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.045958][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.045958][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.045958][T16070] [ 2350.048072][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.048072][T16070] dst_init+0x84/0x4a0 [ 2350.048072][T16070] dst_alloc+0x97/0x150 [ 2350.048072][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.048072][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.048072][T16070] ip6_pol_route+0x56f/0x840 [ 2350.048072][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2350.048072][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2350.048072][T16070] fib6_rule_lookup+0x182/0x630 [ 2350.048072][T16070] ip6_route_input+0x59c/0xa50 [ 2350.048072][T16070] ipv6_rcv+0x397/0x810 [ 2350.048072][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.048072][T16070] process_backlog+0x101/0x620 [ 2350.048072][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2350.048072][T16070] net_rx_action+0x495/0xbe0 [ 2350.048072][T16070] __do_softirq+0x1b5/0x7f6 [ 2350.048072][T16070] [ 2350.050152][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.050152][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.050152][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.050152][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.050152][T16070] ip6_route_add+0x1c/0x140 [ 2350.050152][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2350.050152][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2350.050152][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2350.050152][T16070] addrconf_dad_begin+0x310/0x670 [ 2350.050152][T16070] addrconf_dad_work+0x10b/0xab0 [ 2350.050152][T16070] process_one_work+0x84d/0x18a0 [ 2350.050152][T16070] worker_thread+0x587/0xd30 [ 2350.050152][T16070] kthread+0x28a/0x350 [ 2350.050152][T16070] ret_from_fork+0x31/0x70 [ 2350.050152][T16070] ret_from_fork_asm+0x1a/0x30 [ 2350.050152][T16070] [ 2350.052166][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.052166][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.052166][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.052166][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.052166][T16070] ip6_route_add+0x1c/0x140 [ 2350.052166][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2350.052166][T16070] inet6_addr_add+0x4f8/0xa40 [ 2350.052166][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.052166][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.052166][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.052166][T16070] netlink_unicast+0x449/0x710 [ 2350.052166][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.052166][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.052166][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.052166][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.052166][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.052166][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.052166][T16070] [ 2350.054410][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.054410][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.054410][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.054410][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.054410][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2350.054410][T16070] ipv6_add_addr+0x411/0x2000 [ 2350.054410][T16070] inet6_addr_add+0x30e/0xa40 [ 2350.054410][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.054410][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.054410][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.054410][T16070] netlink_unicast+0x449/0x710 [ 2350.054410][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.054410][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.054410][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.054410][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.054410][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.054410][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.054410][T16070] [ 2350.056660][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.056660][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.056660][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.056660][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.056660][T16070] ip6_route_add+0x1c/0x140 [ 2350.056660][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.056660][T16070] addrconf_add_dev+0xe2/0x170 [ 2350.056660][T16070] inet6_addr_add+0x12f/0xa40 [ 2350.056660][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.056660][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.056660][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.056660][T16070] netlink_unicast+0x449/0x710 [ 2350.056660][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.056660][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.056660][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.056660][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.056660][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.056660][T16070] [ 2350.058861][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.058861][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2350.058861][T16070] ipv6_find_idev+0x102/0x170 [ 2350.058861][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.058861][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.058861][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.058861][T16070] netlink_unicast+0x449/0x710 [ 2350.058861][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.058861][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.058861][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.058861][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.058861][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.058861][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.058861][T16070] [ 2350.060585][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2350.060585][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2350.060585][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2350.060585][T16070] ipv6_find_idev+0x102/0x170 [ 2350.060585][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.060585][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.060585][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.060585][T16070] netlink_unicast+0x449/0x710 [ 2350.060585][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.060585][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.060585][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.060585][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.060585][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.060585][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.060585][T16070] [ 2350.062492][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2350.062795][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2350.062795][T16070] dst_init+0x84/0x4a0 [ 2350.062795][T16070] dst_alloc+0x97/0x150 [ 2350.062795][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.062795][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.062795][T16070] ip6_pol_route+0x56f/0x840 [ 2350.062795][T16070] fib6_rule_lookup+0x334/0x630 [ 2350.062795][T16070] ip6_route_output_flags+0x259/0x480 [ 2350.062795][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2350.062795][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2350.062795][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2350.062795][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2350.062795][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2350.062795][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.062795][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.062795][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.062795][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.062795][T16070] [ 2350.065060][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.065060][T16070] dst_init+0x84/0x4a0 [ 2350.065060][T16070] dst_alloc+0x97/0x150 [ 2350.065060][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.065060][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.065060][T16070] ip6_pol_route+0x56f/0x840 [ 2350.065060][T16070] fib6_rule_lookup+0x334/0x630 [ 2350.065060][T16070] ip6_route_output_flags+0x259/0x480 [ 2350.065060][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2350.065060][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2350.065060][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2350.065060][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2350.065060][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2350.065060][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2350.065060][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2350.065060][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2350.065060][T16070] ip6_input_finish+0x120/0x260 [ 2350.065060][T16070] [ 2350.067333][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.067333][T16070] dst_init+0x84/0x4a0 [ 2350.067333][T16070] dst_alloc+0x97/0x150 [ 2350.067333][T16070] ip6_dst_alloc+0x23/0x90 [ 2350.067333][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2350.067333][T16070] ip6_pol_route+0x56f/0x840 [ 2350.067333][T16070] fib6_rule_lookup+0x456/0x630 [ 2350.067333][T16070] ip6_route_input+0x59c/0xa50 [ 2350.067333][T16070] ipv6_rcv+0x397/0x810 [ 2350.067333][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2350.067333][T16070] process_backlog+0x101/0x620 [ 2350.067333][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2350.067333][T16070] net_rx_action+0x495/0xbe0 [ 2350.067333][T16070] __do_softirq+0x1b5/0x7f6 [ 2350.067333][T16070] [ 2350.069170][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.069170][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.069170][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.069170][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.069170][T16070] ip6_route_add+0x1c/0x140 [ 2350.069170][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2350.069170][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2350.069170][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2350.069170][T16070] addrconf_dad_begin+0x310/0x670 [ 2350.069170][T16070] addrconf_dad_work+0x10b/0xab0 [ 2350.069170][T16070] process_one_work+0x84d/0x18a0 [ 2350.069170][T16070] worker_thread+0x587/0xd30 [ 2350.069170][T16070] kthread+0x28a/0x350 [ 2350.069170][T16070] ret_from_fork+0x31/0x70 [ 2350.069170][T16070] ret_from_fork_asm+0x1a/0x30 [ 2350.069170][T16070] [ 2350.071426][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.071426][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.071426][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.071426][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.071426][T16070] ip6_route_add+0x1c/0x140 [ 2350.071426][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2350.071426][T16070] inet6_addr_add+0x4f8/0xa40 [ 2350.071426][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.071426][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.071426][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.071426][T16070] netlink_unicast+0x449/0x710 [ 2350.071426][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.071426][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.071426][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.071426][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.071426][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.071426][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.071426][T16070] [ 2350.073986][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.073986][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.073986][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.073986][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.073986][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2350.073986][T16070] ipv6_add_addr+0x411/0x2000 [ 2350.073986][T16070] inet6_addr_add+0x30e/0xa40 [ 2350.073986][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.073986][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.073986][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.073986][T16070] netlink_unicast+0x449/0x710 [ 2350.073986][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.073986][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.073986][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.073986][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.073986][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.073986][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.073986][T16070] [ 2350.076555][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.076555][T16070] netdev_get_by_index+0x5e/0x80 [ 2350.076555][T16070] fib6_nh_init+0x3d8/0x1580 [ 2350.076555][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2350.076555][T16070] ip6_route_add+0x1c/0x140 [ 2350.076555][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2350.076555][T16070] addrconf_add_dev+0xe2/0x170 [ 2350.076555][T16070] inet6_addr_add+0x12f/0xa40 [ 2350.076555][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2350.076555][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.076555][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.076555][T16070] netlink_unicast+0x449/0x710 [ 2350.076555][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.076555][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.076555][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.076555][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.076555][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.076555][T16070] [ 2350.079063][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.079063][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2350.079063][T16070] ipv6_find_idev+0x102/0x170 [ 2350.079063][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.079063][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.079063][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.079063][T16070] netlink_unicast+0x449/0x710 [ 2350.079063][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.079063][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.079063][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.079063][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.079063][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.079063][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.079063][T16070] [ 2350.081118][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2350.081118][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2350.081118][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2350.081118][T16070] ipv6_find_idev+0x102/0x170 [ 2350.081118][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2350.081118][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2350.081118][T16070] netlink_rcv_skb+0x130/0x360 [ 2350.081118][T16070] netlink_unicast+0x449/0x710 [ 2350.081118][T16070] netlink_sendmsg+0x723/0xbe0 [ 2350.081118][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2350.081118][T16070] ___sys_sendmsg+0xee/0x170 [ 2350.081118][T16070] __sys_sendmsg+0xcd/0x170 [ 2350.081118][T16070] do_syscall_64+0xc6/0x1e0 [ 2350.081118][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2350.081118][T16070] [ 2358.872924][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2358.873386][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.873386][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.873386][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.873386][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.873386][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2358.873386][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2358.873386][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2358.873386][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2358.873386][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2358.873386][ T74] addrconf_dad_begin+0x310/0x670 [ 2358.873386][ T74] addrconf_dad_work+0x10b/0xab0 [ 2358.873386][ T74] process_one_work+0x84d/0x18a0 [ 2358.873386][ T74] worker_thread+0x587/0xd30 [ 2358.873386][ T74] kthread+0x28a/0x350 [ 2358.873386][ T74] ret_from_fork+0x31/0x70 [ 2358.873386][ T74] ret_from_fork_asm+0x1a/0x30 [ 2358.873386][ T74] [ 2358.875564][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.875564][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.875564][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.875564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.875564][ T74] ip6_route_add+0x1c/0x140 [ 2358.875564][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2358.875564][ T74] inet6_addr_add+0x4f8/0xa40 [ 2358.875564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.875564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.875564][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.875564][ T74] netlink_unicast+0x449/0x710 [ 2358.875564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.875564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.875564][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.875564][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.875564][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.875564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.875564][ T74] [ 2358.877801][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.877801][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.877801][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.877801][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.877801][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2358.877801][ T74] ipv6_add_addr+0x411/0x2000 [ 2358.877801][ T74] inet6_addr_add+0x30e/0xa40 [ 2358.877801][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.877801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.877801][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.877801][ T74] netlink_unicast+0x449/0x710 [ 2358.877801][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.877801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.877801][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.877801][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.877801][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.877801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.877801][ T74] [ 2358.880058][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.880058][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.880058][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.880058][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.880058][ T74] ip6_route_add+0x1c/0x140 [ 2358.880058][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2358.880058][ T74] addrconf_add_dev+0xe2/0x170 [ 2358.880058][ T74] inet6_addr_add+0x12f/0xa40 [ 2358.880058][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.880058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.880058][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.880058][ T74] netlink_unicast+0x449/0x710 [ 2358.880058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.880058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.880058][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.880058][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.880058][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.880058][ T74] [ 2358.882264][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.882264][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2358.882264][ T74] ipv6_find_idev+0x102/0x170 [ 2358.882264][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.882264][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.882264][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.882264][ T74] netlink_unicast+0x449/0x710 [ 2358.882264][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.882264][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.882264][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.882264][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.882264][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.882264][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.882264][ T74] [ 2358.883977][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2358.883977][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2358.883977][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2358.883977][ T74] ipv6_find_idev+0x102/0x170 [ 2358.883977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.883977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.883977][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.883977][ T74] netlink_unicast+0x449/0x710 [ 2358.883977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.883977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.883977][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.883977][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.883977][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.883977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.883977][ T74] [ 2358.885872][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2358.886132][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.886132][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.886132][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.886132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.886132][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2358.886132][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2358.886132][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2358.886132][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2358.886132][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2358.886132][ T74] addrconf_dad_begin+0x310/0x670 [ 2358.886132][ T74] addrconf_dad_work+0x10b/0xab0 [ 2358.886132][ T74] process_one_work+0x84d/0x18a0 [ 2358.886132][ T74] worker_thread+0x587/0xd30 [ 2358.886132][ T74] kthread+0x28a/0x350 [ 2358.886132][ T74] ret_from_fork+0x31/0x70 [ 2358.886132][ T74] ret_from_fork_asm+0x1a/0x30 [ 2358.886132][ T74] [ 2358.888280][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.888280][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.888280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.888280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.888280][ T74] ip6_route_add+0x1c/0x140 [ 2358.888280][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2358.888280][ T74] inet6_addr_add+0x4f8/0xa40 [ 2358.888280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.888280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.888280][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.888280][ T74] netlink_unicast+0x449/0x710 [ 2358.888280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.888280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.888280][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.888280][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.888280][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.888280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.888280][ T74] [ 2358.890513][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.890513][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.890513][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.890513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.890513][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2358.890513][ T74] ipv6_add_addr+0x411/0x2000 [ 2358.890513][ T74] inet6_addr_add+0x30e/0xa40 [ 2358.890513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.890513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.890513][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.890513][ T74] netlink_unicast+0x449/0x710 [ 2358.890513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.890513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.890513][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.890513][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.890513][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.890513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.890513][ T74] [ 2358.892773][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.892773][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.892773][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.892773][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.892773][ T74] ip6_route_add+0x1c/0x140 [ 2358.892773][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2358.892773][ T74] addrconf_add_dev+0xe2/0x170 [ 2358.892773][ T74] inet6_addr_add+0x12f/0xa40 [ 2358.892773][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.892773][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.892773][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.892773][ T74] netlink_unicast+0x449/0x710 [ 2358.892773][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.892773][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.892773][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.892773][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.892773][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.892773][ T74] [ 2358.894988][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.894988][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2358.894988][ T74] ipv6_find_idev+0x102/0x170 [ 2358.894988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.894988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.894988][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.894988][ T74] netlink_unicast+0x449/0x710 [ 2358.894988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.894988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.894988][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.894988][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.894988][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.894988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.894988][ T74] [ 2358.896708][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2358.896708][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2358.896708][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2358.896708][ T74] ipv6_find_idev+0x102/0x170 [ 2358.896708][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.896708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.896708][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.896708][ T74] netlink_unicast+0x449/0x710 [ 2358.896708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.896708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.896708][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.896708][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.896708][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.896708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.896708][ T74] [ 2358.898588][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2358.899268][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.899268][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.899268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.899268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.899268][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2358.899268][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2358.899268][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2358.899268][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2358.899268][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2358.899268][ T74] addrconf_dad_begin+0x310/0x670 [ 2358.899268][ T74] addrconf_dad_work+0x10b/0xab0 [ 2358.899268][ T74] process_one_work+0x84d/0x18a0 [ 2358.899268][ T74] worker_thread+0x587/0xd30 [ 2358.899268][ T74] kthread+0x28a/0x350 [ 2358.899268][ T74] ret_from_fork+0x31/0x70 [ 2358.899268][ T74] ret_from_fork_asm+0x1a/0x30 [ 2358.899268][ T74] [ 2358.901423][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.901423][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.901423][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.901423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.901423][ T74] ip6_route_add+0x1c/0x140 [ 2358.901423][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2358.901423][ T74] inet6_addr_add+0x4f8/0xa40 [ 2358.901423][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.901423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.901423][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.901423][ T74] netlink_unicast+0x449/0x710 [ 2358.901423][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.901423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.901423][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.901423][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.901423][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.901423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.901423][ T74] [ 2358.903853][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.903853][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.903853][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.903853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.903853][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2358.903853][ T74] ipv6_add_addr+0x411/0x2000 [ 2358.903853][ T74] inet6_addr_add+0x30e/0xa40 [ 2358.903853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.903853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.903853][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.903853][ T74] netlink_unicast+0x449/0x710 [ 2358.903853][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.903853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.903853][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.903853][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.903853][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.903853][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.903853][ T74] [ 2358.906398][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.906398][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.906398][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.906398][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.906398][ T74] ip6_route_add+0x1c/0x140 [ 2358.906398][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2358.906398][ T74] addrconf_add_dev+0xe2/0x170 [ 2358.906398][ T74] inet6_addr_add+0x12f/0xa40 [ 2358.906398][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.906398][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.906398][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.906398][ T74] netlink_unicast+0x449/0x710 [ 2358.906398][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.906398][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.906398][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.906398][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.906398][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.906398][ T74] [ 2358.908857][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.908857][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2358.908857][ T74] ipv6_find_idev+0x102/0x170 [ 2358.908857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.908857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.908857][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.908857][ T74] netlink_unicast+0x449/0x710 [ 2358.908857][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.908857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.908857][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.908857][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.908857][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.908857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.908857][ T74] [ 2358.910788][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2358.910788][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2358.910788][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2358.910788][ T74] ipv6_find_idev+0x102/0x170 [ 2358.910788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.910788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.910788][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.910788][ T74] netlink_unicast+0x449/0x710 [ 2358.910788][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.910788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.910788][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.910788][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.910788][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.910788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.910788][ T74] [ 2358.912845][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2358.913104][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.913104][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.913104][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.913104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.913104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2358.913104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2358.913104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2358.913104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2358.913104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2358.913104][ T74] addrconf_dad_begin+0x310/0x670 [ 2358.913104][ T74] addrconf_dad_work+0x10b/0xab0 [ 2358.913104][ T74] process_one_work+0x84d/0x18a0 [ 2358.913104][ T74] worker_thread+0x587/0xd30 [ 2358.913104][ T74] kthread+0x28a/0x350 [ 2358.913104][ T74] ret_from_fork+0x31/0x70 [ 2358.913104][ T74] ret_from_fork_asm+0x1a/0x30 [ 2358.913104][ T74] [ 2358.915476][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.915476][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.915476][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.915476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.915476][ T74] ip6_route_add+0x1c/0x140 [ 2358.915476][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2358.915476][ T74] inet6_addr_add+0x4f8/0xa40 [ 2358.915476][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.915476][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.915476][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.915476][ T74] netlink_unicast+0x449/0x710 [ 2358.915476][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.915476][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.915476][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.915476][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.915476][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.915476][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.915476][ T74] [ 2358.918009][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.918009][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.918009][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.918009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.918009][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2358.918009][ T74] ipv6_add_addr+0x411/0x2000 [ 2358.918009][ T74] inet6_addr_add+0x30e/0xa40 [ 2358.918009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.918009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.918009][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.918009][ T74] netlink_unicast+0x449/0x710 [ 2358.918009][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.918009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.918009][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.918009][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.918009][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.918009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.918009][ T74] [ 2358.920486][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.920486][ T74] netdev_get_by_index+0x5e/0x80 [ 2358.920486][ T74] fib6_nh_init+0x3d8/0x1580 [ 2358.920486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2358.920486][ T74] ip6_route_add+0x1c/0x140 [ 2358.920486][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2358.920486][ T74] addrconf_add_dev+0xe2/0x170 [ 2358.920486][ T74] inet6_addr_add+0x12f/0xa40 [ 2358.920486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2358.920486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.920486][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.920486][ T74] netlink_unicast+0x449/0x710 [ 2358.920486][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.920486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.920486][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.920486][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.920486][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.920486][ T74] [ 2358.922874][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.922874][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2358.922874][ T74] ipv6_find_idev+0x102/0x170 [ 2358.922874][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.922874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.922874][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.922874][ T74] netlink_unicast+0x449/0x710 [ 2358.922874][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.922874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.922874][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.922874][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.922874][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.922874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.922874][ T74] [ 2358.924781][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2358.924781][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2358.924781][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2358.924781][ T74] ipv6_find_idev+0x102/0x170 [ 2358.924781][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2358.924781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2358.924781][ T74] netlink_rcv_skb+0x130/0x360 [ 2358.924781][ T74] netlink_unicast+0x449/0x710 [ 2358.924781][ T74] netlink_sendmsg+0x723/0xbe0 [ 2358.924781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2358.924781][ T74] ___sys_sendmsg+0xee/0x170 [ 2358.924781][ T74] __sys_sendmsg+0xcd/0x170 [ 2358.924781][ T74] do_syscall_64+0xc6/0x1e0 [ 2358.924781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2358.924781][ T74] [ 2360.336922][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2360.337410][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2360.337410][T16070] dst_init+0x84/0x4a0 [ 2360.337410][T16070] dst_alloc+0x97/0x150 [ 2360.337410][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.337410][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.337410][T16070] ip6_pol_route+0x56f/0x840 [ 2360.337410][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2360.337410][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2360.337410][T16070] fib6_rule_lookup+0x182/0x630 [ 2360.337410][T16070] ip6_route_output_flags+0x259/0x480 [ 2360.337410][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2360.337410][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2360.337410][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2360.337410][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2360.337410][T16070] ip6_datagram_connect+0x2c/0x50 [ 2360.337410][T16070] __sys_connect+0x217/0x2a0 [ 2360.337410][T16070] __x64_sys_connect+0x72/0xb0 [ 2360.337410][T16070] [ 2360.339721][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2360.339721][T16070] dst_init+0x84/0x4a0 [ 2360.339721][T16070] dst_alloc+0x97/0x150 [ 2360.339721][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.339721][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.339721][T16070] ip6_pol_route+0x56f/0x840 [ 2360.339721][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2360.339721][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2360.339721][T16070] fib6_rule_lookup+0x182/0x630 [ 2360.339721][T16070] ip6_route_output_flags+0x259/0x480 [ 2360.339721][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2360.339721][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2360.339721][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2360.339721][T16070] __inet_stream_connect+0x272/0x9f0 [ 2360.339721][T16070] inet_stream_connect+0x57/0xa0 [ 2360.339721][T16070] __sys_connect+0x217/0x2a0 [ 2360.339721][T16070] __x64_sys_connect+0x72/0xb0 [ 2360.339721][T16070] [ 2360.342508][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.342508][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2360.342508][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2360.342508][T16070] fib6_nh_init+0xa22/0x1580 [ 2360.342508][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.342508][T16070] ip6_route_add+0x1c/0x140 [ 2360.342508][T16070] inet6_rtm_newroute+0x104/0x110 [ 2360.342508][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.342508][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.342508][T16070] netlink_unicast+0x449/0x710 [ 2360.342508][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.342508][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.342508][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.342508][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.342508][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.342508][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.342508][T16070] [ 2360.344619][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.344619][T16070] dst_init+0x84/0x4a0 [ 2360.344619][T16070] dst_alloc+0x97/0x150 [ 2360.344619][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.344619][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.344619][T16070] ip6_pol_route+0x56f/0x840 [ 2360.344619][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2360.344619][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2360.344619][T16070] fib6_rule_lookup+0x182/0x630 [ 2360.344619][T16070] ip6_route_input+0x59c/0xa50 [ 2360.344619][T16070] ipv6_rcv+0x397/0x810 [ 2360.344619][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.344619][T16070] process_backlog+0x101/0x620 [ 2360.344619][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2360.344619][T16070] net_rx_action+0x495/0xbe0 [ 2360.344619][T16070] __do_softirq+0x1b5/0x7f6 [ 2360.344619][T16070] [ 2360.346699][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.346699][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.346699][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.346699][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.346699][T16070] ip6_route_add+0x1c/0x140 [ 2360.346699][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2360.346699][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2360.346699][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2360.346699][T16070] addrconf_dad_begin+0x310/0x670 [ 2360.346699][T16070] addrconf_dad_work+0x10b/0xab0 [ 2360.346699][T16070] process_one_work+0x84d/0x18a0 [ 2360.346699][T16070] worker_thread+0x587/0xd30 [ 2360.346699][T16070] kthread+0x28a/0x350 [ 2360.346699][T16070] ret_from_fork+0x31/0x70 [ 2360.346699][T16070] ret_from_fork_asm+0x1a/0x30 [ 2360.346699][T16070] [ 2360.348709][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.348709][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.348709][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.348709][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.348709][T16070] ip6_route_add+0x1c/0x140 [ 2360.348709][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2360.348709][T16070] inet6_addr_add+0x4f8/0xa40 [ 2360.348709][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.348709][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.348709][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.348709][T16070] netlink_unicast+0x449/0x710 [ 2360.348709][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.348709][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.348709][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.348709][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.348709][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.348709][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.348709][T16070] [ 2360.350960][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.350960][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.350960][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.350960][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.350960][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2360.350960][T16070] ipv6_add_addr+0x411/0x2000 [ 2360.350960][T16070] inet6_addr_add+0x30e/0xa40 [ 2360.350960][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.350960][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.350960][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.350960][T16070] netlink_unicast+0x449/0x710 [ 2360.350960][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.350960][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.350960][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.350960][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.350960][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.350960][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.350960][T16070] [ 2360.353207][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.353207][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.353207][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.353207][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.353207][T16070] ip6_route_add+0x1c/0x140 [ 2360.353207][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.353207][T16070] addrconf_add_dev+0xe2/0x170 [ 2360.353207][T16070] inet6_addr_add+0x12f/0xa40 [ 2360.353207][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.353207][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.353207][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.353207][T16070] netlink_unicast+0x449/0x710 [ 2360.353207][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.353207][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.353207][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.353207][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.353207][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.353207][T16070] [ 2360.355403][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.355403][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2360.355403][T16070] ipv6_find_idev+0x102/0x170 [ 2360.355403][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.355403][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.355403][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.355403][T16070] netlink_unicast+0x449/0x710 [ 2360.355403][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.355403][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.355403][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.355403][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.355403][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.355403][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.355403][T16070] [ 2360.357134][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2360.357134][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2360.357134][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2360.357134][T16070] ipv6_find_idev+0x102/0x170 [ 2360.357134][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.357134][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.357134][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.357134][T16070] netlink_unicast+0x449/0x710 [ 2360.357134][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.357134][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.357134][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.357134][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.357134][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.357134][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.357134][T16070] [ 2360.359028][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2360.359331][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2360.359331][T16070] dst_init+0x84/0x4a0 [ 2360.359331][T16070] dst_alloc+0x97/0x150 [ 2360.359331][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.359331][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.359331][T16070] ip6_pol_route+0x56f/0x840 [ 2360.359331][T16070] fib6_rule_lookup+0x334/0x630 [ 2360.359331][T16070] ip6_route_output_flags+0x259/0x480 [ 2360.359331][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2360.359331][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2360.359331][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2360.359331][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2360.359331][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2360.359331][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.359331][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.359331][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.359331][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.359331][T16070] [ 2360.361578][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.361578][T16070] dst_init+0x84/0x4a0 [ 2360.361578][T16070] dst_alloc+0x97/0x150 [ 2360.361578][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.361578][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.361578][T16070] ip6_pol_route+0x56f/0x840 [ 2360.361578][T16070] fib6_rule_lookup+0x334/0x630 [ 2360.361578][T16070] ip6_route_output_flags+0x259/0x480 [ 2360.361578][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2360.361578][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2360.361578][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2360.361578][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2360.361578][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2360.361578][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2360.361578][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2360.361578][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2360.361578][T16070] ip6_input_finish+0x120/0x260 [ 2360.361578][T16070] [ 2360.363846][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.363846][T16070] dst_init+0x84/0x4a0 [ 2360.363846][T16070] dst_alloc+0x97/0x150 [ 2360.363846][T16070] ip6_dst_alloc+0x23/0x90 [ 2360.363846][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2360.363846][T16070] ip6_pol_route+0x56f/0x840 [ 2360.363846][T16070] fib6_rule_lookup+0x456/0x630 [ 2360.363846][T16070] ip6_route_input+0x59c/0xa50 [ 2360.363846][T16070] ipv6_rcv+0x397/0x810 [ 2360.363846][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2360.363846][T16070] process_backlog+0x101/0x620 [ 2360.363846][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2360.363846][T16070] net_rx_action+0x495/0xbe0 [ 2360.363846][T16070] __do_softirq+0x1b5/0x7f6 [ 2360.363846][T16070] [ 2360.365672][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.365672][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.365672][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.365672][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.365672][T16070] ip6_route_add+0x1c/0x140 [ 2360.365672][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2360.365672][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2360.365672][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2360.365672][T16070] addrconf_dad_begin+0x310/0x670 [ 2360.365672][T16070] addrconf_dad_work+0x10b/0xab0 [ 2360.365672][T16070] process_one_work+0x84d/0x18a0 [ 2360.365672][T16070] worker_thread+0x587/0xd30 [ 2360.365672][T16070] kthread+0x28a/0x350 [ 2360.365672][T16070] ret_from_fork+0x31/0x70 [ 2360.365672][T16070] ret_from_fork_asm+0x1a/0x30 [ 2360.365672][T16070] [ 2360.368305][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.368305][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.368305][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.368305][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.368305][T16070] ip6_route_add+0x1c/0x140 [ 2360.368305][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2360.368305][T16070] inet6_addr_add+0x4f8/0xa40 [ 2360.368305][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.368305][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.368305][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.368305][T16070] netlink_unicast+0x449/0x710 [ 2360.368305][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.368305][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.368305][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.368305][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.368305][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.368305][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.368305][T16070] [ 2360.370790][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.370790][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.370790][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.370790][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.370790][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2360.370790][T16070] ipv6_add_addr+0x411/0x2000 [ 2360.370790][T16070] inet6_addr_add+0x30e/0xa40 [ 2360.370790][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.370790][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.370790][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.370790][T16070] netlink_unicast+0x449/0x710 [ 2360.370790][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.370790][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.370790][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.370790][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.370790][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.370790][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.370790][T16070] [ 2360.373345][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.373345][T16070] netdev_get_by_index+0x5e/0x80 [ 2360.373345][T16070] fib6_nh_init+0x3d8/0x1580 [ 2360.373345][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2360.373345][T16070] ip6_route_add+0x1c/0x140 [ 2360.373345][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2360.373345][T16070] addrconf_add_dev+0xe2/0x170 [ 2360.373345][T16070] inet6_addr_add+0x12f/0xa40 [ 2360.373345][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2360.373345][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.373345][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.373345][T16070] netlink_unicast+0x449/0x710 [ 2360.373345][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.373345][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.373345][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.373345][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.373345][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.373345][T16070] [ 2360.375856][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.375856][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2360.375856][T16070] ipv6_find_idev+0x102/0x170 [ 2360.375856][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.375856][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.375856][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.375856][T16070] netlink_unicast+0x449/0x710 [ 2360.375856][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.375856][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.375856][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.375856][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.375856][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.375856][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.375856][T16070] [ 2360.377893][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2360.377893][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2360.377893][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2360.377893][T16070] ipv6_find_idev+0x102/0x170 [ 2360.377893][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2360.377893][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2360.377893][T16070] netlink_rcv_skb+0x130/0x360 [ 2360.377893][T16070] netlink_unicast+0x449/0x710 [ 2360.377893][T16070] netlink_sendmsg+0x723/0xbe0 [ 2360.377893][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2360.377893][T16070] ___sys_sendmsg+0xee/0x170 [ 2360.377893][T16070] __sys_sendmsg+0xcd/0x170 [ 2360.377893][T16070] do_syscall_64+0xc6/0x1e0 [ 2360.377893][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2360.377893][T16070] [ 2369.168933][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2369.169367][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.169367][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.169367][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.169367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.169367][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.169367][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.169367][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.169367][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.169367][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.169367][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.169367][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.169367][ T74] process_one_work+0x84d/0x18a0 [ 2369.169367][ T74] worker_thread+0x587/0xd30 [ 2369.169367][ T74] kthread+0x28a/0x350 [ 2369.169367][ T74] ret_from_fork+0x31/0x70 [ 2369.169367][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.169367][ T74] [ 2369.171336][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.171336][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.171336][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.171336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.171336][ T74] ip6_route_add+0x1c/0x140 [ 2369.171336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.171336][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.171336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.171336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.171336][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.171336][ T74] netlink_unicast+0x449/0x710 [ 2369.171336][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.171336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.171336][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.171336][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.171336][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.171336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.171336][ T74] [ 2369.173333][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.173333][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.173333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.173333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.173333][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.173333][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.173333][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.173333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.173333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.173333][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.173333][ T74] netlink_unicast+0x449/0x710 [ 2369.173333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.173333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.173333][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.173333][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.173333][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.173333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.173333][ T74] [ 2369.175366][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.175366][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.175366][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.175366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.175366][ T74] ip6_route_add+0x1c/0x140 [ 2369.175366][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.175366][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.175366][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.175366][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.175366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.175366][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.175366][ T74] netlink_unicast+0x449/0x710 [ 2369.175366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.175366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.175366][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.175366][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.175366][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.175366][ T74] [ 2369.177347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.177347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.177347][ T74] ipv6_find_idev+0x102/0x170 [ 2369.177347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.177347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.177347][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.177347][ T74] netlink_unicast+0x449/0x710 [ 2369.177347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.177347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.177347][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.177347][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.177347][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.177347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.177347][ T74] [ 2369.178875][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2369.178875][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.178875][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.178875][ T74] ipv6_find_idev+0x102/0x170 [ 2369.178875][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.178875][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.178875][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.178875][ T74] netlink_unicast+0x449/0x710 [ 2369.178875][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.178875][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.178875][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.178875][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.178875][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.178875][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.178875][ T74] [ 2369.180583][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2369.180839][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.180839][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.180839][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.180839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.180839][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.180839][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.180839][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.180839][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.180839][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.180839][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.180839][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.180839][ T74] process_one_work+0x84d/0x18a0 [ 2369.180839][ T74] worker_thread+0x587/0xd30 [ 2369.180839][ T74] kthread+0x28a/0x350 [ 2369.180839][ T74] ret_from_fork+0x31/0x70 [ 2369.180839][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.180839][ T74] [ 2369.182749][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.182749][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.182749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.182749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.182749][ T74] ip6_route_add+0x1c/0x140 [ 2369.182749][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.182749][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.182749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.182749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.182749][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.182749][ T74] netlink_unicast+0x449/0x710 [ 2369.182749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.182749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.182749][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.182749][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.182749][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.182749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.182749][ T74] [ 2369.184762][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.184762][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.184762][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.184762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.184762][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.184762][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.184762][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.184762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.184762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.184762][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.184762][ T74] netlink_unicast+0x449/0x710 [ 2369.184762][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.184762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.184762][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.184762][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.184762][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.184762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.184762][ T74] [ 2369.186771][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.186771][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.186771][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.186771][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.186771][ T74] ip6_route_add+0x1c/0x140 [ 2369.186771][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.186771][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.186771][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.186771][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.186771][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.186771][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.186771][ T74] netlink_unicast+0x449/0x710 [ 2369.186771][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.186771][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.186771][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.186771][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.186771][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.186771][ T74] [ 2369.188733][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.188733][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.188733][ T74] ipv6_find_idev+0x102/0x170 [ 2369.188733][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.188733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.188733][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.188733][ T74] netlink_unicast+0x449/0x710 [ 2369.188733][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.188733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.188733][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.188733][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.188733][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.188733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.188733][ T74] [ 2369.190266][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2369.190266][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.190266][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.190266][ T74] ipv6_find_idev+0x102/0x170 [ 2369.190266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.190266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.190266][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.190266][ T74] netlink_unicast+0x449/0x710 [ 2369.190266][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.190266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.190266][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.190266][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.190266][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.190266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.190266][ T74] [ 2369.191940][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2369.192176][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.192176][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.192176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.192176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.192176][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.192176][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.192176][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.192176][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.192176][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.192176][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.192176][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.192176][ T74] process_one_work+0x84d/0x18a0 [ 2369.192176][ T74] worker_thread+0x587/0xd30 [ 2369.192176][ T74] kthread+0x28a/0x350 [ 2369.192176][ T74] ret_from_fork+0x31/0x70 [ 2369.192176][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.192176][ T74] [ 2369.194090][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.194090][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.194090][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.194090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.194090][ T74] ip6_route_add+0x1c/0x140 [ 2369.194090][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.194090][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.194090][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.194090][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.194090][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.194090][ T74] netlink_unicast+0x449/0x710 [ 2369.194090][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.194090][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.194090][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.194090][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.194090][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.194090][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.194090][ T74] [ 2369.196272][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.196272][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.196272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.196272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.196272][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.196272][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.196272][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.196272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.196272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.196272][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.196272][ T74] netlink_unicast+0x449/0x710 [ 2369.196272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.196272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.196272][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.196272][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.196272][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.196272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.196272][ T74] [ 2369.198568][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.198568][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.198568][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.198568][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.198568][ T74] ip6_route_add+0x1c/0x140 [ 2369.198568][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.198568][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.198568][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.198568][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.198568][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.198568][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.198568][ T74] netlink_unicast+0x449/0x710 [ 2369.198568][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.198568][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.198568][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.198568][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.198568][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.198568][ T74] [ 2369.200772][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.200772][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.200772][ T74] ipv6_find_idev+0x102/0x170 [ 2369.200772][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.200772][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.200772][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.200772][ T74] netlink_unicast+0x449/0x710 [ 2369.200772][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.200772][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.200772][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.200772][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.200772][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.200772][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.200772][ T74] [ 2369.202497][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2369.202497][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.202497][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.202497][ T74] ipv6_find_idev+0x102/0x170 [ 2369.202497][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.202497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.202497][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.202497][ T74] netlink_unicast+0x449/0x710 [ 2369.202497][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.202497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.202497][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.202497][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.202497][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.202497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.202497][ T74] [ 2369.204352][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2369.204586][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.204586][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.204586][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.204586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.204586][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2369.204586][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2369.204586][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2369.204586][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2369.204586][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2369.204586][ T74] addrconf_dad_begin+0x310/0x670 [ 2369.204586][ T74] addrconf_dad_work+0x10b/0xab0 [ 2369.204586][ T74] process_one_work+0x84d/0x18a0 [ 2369.204586][ T74] worker_thread+0x587/0xd30 [ 2369.204586][ T74] kthread+0x28a/0x350 [ 2369.204586][ T74] ret_from_fork+0x31/0x70 [ 2369.204586][ T74] ret_from_fork_asm+0x1a/0x30 [ 2369.204586][ T74] [ 2369.206733][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.206733][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.206733][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.206733][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.206733][ T74] ip6_route_add+0x1c/0x140 [ 2369.206733][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2369.206733][ T74] inet6_addr_add+0x4f8/0xa40 [ 2369.206733][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.206733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.206733][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.206733][ T74] netlink_unicast+0x449/0x710 [ 2369.206733][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.206733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.206733][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.206733][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.206733][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.206733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.206733][ T74] [ 2369.209035][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.209035][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.209035][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.209035][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.209035][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2369.209035][ T74] ipv6_add_addr+0x411/0x2000 [ 2369.209035][ T74] inet6_addr_add+0x30e/0xa40 [ 2369.209035][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.209035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.209035][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.209035][ T74] netlink_unicast+0x449/0x710 [ 2369.209035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.209035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.209035][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.209035][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.209035][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.209035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.209035][ T74] [ 2369.211284][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.211284][ T74] netdev_get_by_index+0x5e/0x80 [ 2369.211284][ T74] fib6_nh_init+0x3d8/0x1580 [ 2369.211284][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2369.211284][ T74] ip6_route_add+0x1c/0x140 [ 2369.211284][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2369.211284][ T74] addrconf_add_dev+0xe2/0x170 [ 2369.211284][ T74] inet6_addr_add+0x12f/0xa40 [ 2369.211284][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2369.211284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.211284][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.211284][ T74] netlink_unicast+0x449/0x710 [ 2369.211284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.211284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.211284][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.211284][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.211284][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.211284][ T74] [ 2369.213366][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.213366][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2369.213366][ T74] ipv6_find_idev+0x102/0x170 [ 2369.213366][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.213366][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.213366][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.213366][ T74] netlink_unicast+0x449/0x710 [ 2369.213366][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.213366][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.213366][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.213366][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.213366][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.213366][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.213366][ T74] [ 2369.215082][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2369.215082][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2369.215082][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2369.215082][ T74] ipv6_find_idev+0x102/0x170 [ 2369.215082][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2369.215082][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2369.215082][ T74] netlink_rcv_skb+0x130/0x360 [ 2369.215082][ T74] netlink_unicast+0x449/0x710 [ 2369.215082][ T74] netlink_sendmsg+0x723/0xbe0 [ 2369.215082][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2369.215082][ T74] ___sys_sendmsg+0xee/0x170 [ 2369.215082][ T74] __sys_sendmsg+0xcd/0x170 [ 2369.215082][ T74] do_syscall_64+0xc6/0x1e0 [ 2369.215082][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2369.215082][ T74] [ 2370.384925][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2370.385376][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2370.385376][T16070] dst_init+0x84/0x4a0 [ 2370.385376][T16070] dst_alloc+0x97/0x150 [ 2370.385376][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.385376][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.385376][T16070] ip6_pol_route+0x56f/0x840 [ 2370.385376][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2370.385376][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2370.385376][T16070] fib6_rule_lookup+0x182/0x630 [ 2370.385376][T16070] ip6_route_output_flags+0x259/0x480 [ 2370.385376][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2370.385376][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2370.385376][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2370.385376][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2370.385376][T16070] ip6_datagram_connect+0x2c/0x50 [ 2370.385376][T16070] __sys_connect+0x217/0x2a0 [ 2370.385376][T16070] __x64_sys_connect+0x72/0xb0 [ 2370.385376][T16070] [ 2370.387683][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2370.387683][T16070] dst_init+0x84/0x4a0 [ 2370.387683][T16070] dst_alloc+0x97/0x150 [ 2370.387683][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.387683][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.387683][T16070] ip6_pol_route+0x56f/0x840 [ 2370.387683][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2370.387683][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2370.387683][T16070] fib6_rule_lookup+0x182/0x630 [ 2370.387683][T16070] ip6_route_output_flags+0x259/0x480 [ 2370.387683][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2370.387683][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2370.387683][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2370.387683][T16070] __inet_stream_connect+0x272/0x9f0 [ 2370.387683][T16070] inet_stream_connect+0x57/0xa0 [ 2370.387683][T16070] __sys_connect+0x217/0x2a0 [ 2370.387683][T16070] __x64_sys_connect+0x72/0xb0 [ 2370.387683][T16070] [ 2370.389931][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.389931][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2370.389931][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2370.389931][T16070] fib6_nh_init+0xa22/0x1580 [ 2370.389931][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.389931][T16070] ip6_route_add+0x1c/0x140 [ 2370.389931][T16070] inet6_rtm_newroute+0x104/0x110 [ 2370.389931][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.389931][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.389931][T16070] netlink_unicast+0x449/0x710 [ 2370.389931][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.389931][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.389931][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.389931][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.389931][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.389931][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.389931][T16070] [ 2370.392042][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.392042][T16070] dst_init+0x84/0x4a0 [ 2370.392042][T16070] dst_alloc+0x97/0x150 [ 2370.392042][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.392042][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.392042][T16070] ip6_pol_route+0x56f/0x840 [ 2370.392042][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2370.392042][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2370.392042][T16070] fib6_rule_lookup+0x182/0x630 [ 2370.392042][T16070] ip6_route_input+0x59c/0xa50 [ 2370.392042][T16070] ipv6_rcv+0x397/0x810 [ 2370.392042][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2370.392042][T16070] process_backlog+0x101/0x620 [ 2370.392042][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2370.392042][T16070] net_rx_action+0x495/0xbe0 [ 2370.392042][T16070] __do_softirq+0x1b5/0x7f6 [ 2370.392042][T16070] [ 2370.394111][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.394111][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.394111][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.394111][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.394111][T16070] ip6_route_add+0x1c/0x140 [ 2370.394111][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2370.394111][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2370.394111][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2370.394111][T16070] addrconf_dad_begin+0x310/0x670 [ 2370.394111][T16070] addrconf_dad_work+0x10b/0xab0 [ 2370.394111][T16070] process_one_work+0x84d/0x18a0 [ 2370.394111][T16070] worker_thread+0x587/0xd30 [ 2370.394111][T16070] kthread+0x28a/0x350 [ 2370.394111][T16070] ret_from_fork+0x31/0x70 [ 2370.394111][T16070] ret_from_fork_asm+0x1a/0x30 [ 2370.394111][T16070] [ 2370.396119][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.396119][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.396119][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.396119][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.396119][T16070] ip6_route_add+0x1c/0x140 [ 2370.396119][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2370.396119][T16070] inet6_addr_add+0x4f8/0xa40 [ 2370.396119][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.396119][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.396119][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.396119][T16070] netlink_unicast+0x449/0x710 [ 2370.396119][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.396119][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.396119][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.396119][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.396119][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.396119][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.396119][T16070] [ 2370.398360][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.398360][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.398360][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.398360][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.398360][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2370.398360][T16070] ipv6_add_addr+0x411/0x2000 [ 2370.398360][T16070] inet6_addr_add+0x30e/0xa40 [ 2370.398360][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.398360][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.398360][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.398360][T16070] netlink_unicast+0x449/0x710 [ 2370.398360][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.398360][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.398360][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.398360][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.398360][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.398360][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.398360][T16070] [ 2370.400688][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.400688][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.400688][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.400688][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.400688][T16070] ip6_route_add+0x1c/0x140 [ 2370.400688][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.400688][T16070] addrconf_add_dev+0xe2/0x170 [ 2370.400688][T16070] inet6_addr_add+0x12f/0xa40 [ 2370.400688][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.400688][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.400688][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.400688][T16070] netlink_unicast+0x449/0x710 [ 2370.400688][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.400688][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.400688][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.400688][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.400688][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.400688][T16070] [ 2370.402892][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.402892][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2370.402892][T16070] ipv6_find_idev+0x102/0x170 [ 2370.402892][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.402892][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.402892][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.402892][T16070] netlink_unicast+0x449/0x710 [ 2370.402892][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.402892][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.402892][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.402892][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.402892][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.402892][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.402892][T16070] [ 2370.404619][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2370.404619][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2370.404619][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2370.404619][T16070] ipv6_find_idev+0x102/0x170 [ 2370.404619][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.404619][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.404619][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.404619][T16070] netlink_unicast+0x449/0x710 [ 2370.404619][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.404619][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.404619][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.404619][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.404619][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.404619][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.404619][T16070] [ 2370.406502][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2370.406805][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2370.406805][T16070] dst_init+0x84/0x4a0 [ 2370.406805][T16070] dst_alloc+0x97/0x150 [ 2370.406805][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.406805][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.406805][T16070] ip6_pol_route+0x56f/0x840 [ 2370.406805][T16070] fib6_rule_lookup+0x334/0x630 [ 2370.406805][T16070] ip6_route_output_flags+0x259/0x480 [ 2370.406805][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2370.406805][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2370.406805][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2370.406805][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2370.406805][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2370.406805][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.406805][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.406805][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.406805][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.406805][T16070] [ 2370.409046][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.409046][T16070] dst_init+0x84/0x4a0 [ 2370.409046][T16070] dst_alloc+0x97/0x150 [ 2370.409046][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.409046][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.409046][T16070] ip6_pol_route+0x56f/0x840 [ 2370.409046][T16070] fib6_rule_lookup+0x334/0x630 [ 2370.409046][T16070] ip6_route_output_flags+0x259/0x480 [ 2370.409046][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2370.409046][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2370.409046][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2370.409046][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2370.409046][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2370.409046][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2370.409046][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2370.409046][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2370.409046][T16070] ip6_input_finish+0x120/0x260 [ 2370.409046][T16070] [ 2370.411323][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.411323][T16070] dst_init+0x84/0x4a0 [ 2370.411323][T16070] dst_alloc+0x97/0x150 [ 2370.411323][T16070] ip6_dst_alloc+0x23/0x90 [ 2370.411323][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2370.411323][T16070] ip6_pol_route+0x56f/0x840 [ 2370.411323][T16070] fib6_rule_lookup+0x456/0x630 [ 2370.411323][T16070] ip6_route_input+0x59c/0xa50 [ 2370.411323][T16070] ipv6_rcv+0x397/0x810 [ 2370.411323][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2370.411323][T16070] process_backlog+0x101/0x620 [ 2370.411323][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2370.411323][T16070] net_rx_action+0x495/0xbe0 [ 2370.411323][T16070] __do_softirq+0x1b5/0x7f6 [ 2370.411323][T16070] [ 2370.413146][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.413146][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.413146][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.413146][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.413146][T16070] ip6_route_add+0x1c/0x140 [ 2370.413146][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2370.413146][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2370.413146][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2370.413146][T16070] addrconf_dad_begin+0x310/0x670 [ 2370.413146][T16070] addrconf_dad_work+0x10b/0xab0 [ 2370.413146][T16070] process_one_work+0x84d/0x18a0 [ 2370.413146][T16070] worker_thread+0x587/0xd30 [ 2370.413146][T16070] kthread+0x28a/0x350 [ 2370.413146][T16070] ret_from_fork+0x31/0x70 [ 2370.413146][T16070] ret_from_fork_asm+0x1a/0x30 [ 2370.413146][T16070] [ 2370.415383][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.415383][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.415383][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.415383][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.415383][T16070] ip6_route_add+0x1c/0x140 [ 2370.415383][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2370.415383][T16070] inet6_addr_add+0x4f8/0xa40 [ 2370.415383][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.415383][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.415383][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.415383][T16070] netlink_unicast+0x449/0x710 [ 2370.415383][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.415383][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.415383][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.415383][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.415383][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.415383][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.415383][T16070] [ 2370.417944][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.417944][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.417944][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.417944][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.417944][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2370.417944][T16070] ipv6_add_addr+0x411/0x2000 [ 2370.417944][T16070] inet6_addr_add+0x30e/0xa40 [ 2370.417944][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.417944][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.417944][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.417944][T16070] netlink_unicast+0x449/0x710 [ 2370.417944][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.417944][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.417944][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.417944][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.417944][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.417944][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.417944][T16070] [ 2370.420491][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.420491][T16070] netdev_get_by_index+0x5e/0x80 [ 2370.420491][T16070] fib6_nh_init+0x3d8/0x1580 [ 2370.420491][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2370.420491][T16070] ip6_route_add+0x1c/0x140 [ 2370.420491][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2370.420491][T16070] addrconf_add_dev+0xe2/0x170 [ 2370.420491][T16070] inet6_addr_add+0x12f/0xa40 [ 2370.420491][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2370.420491][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.420491][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.420491][T16070] netlink_unicast+0x449/0x710 [ 2370.420491][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.420491][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.420491][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.420491][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.420491][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.420491][T16070] [ 2370.423053][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.423053][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2370.423053][T16070] ipv6_find_idev+0x102/0x170 [ 2370.423053][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.423053][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.423053][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.423053][T16070] netlink_unicast+0x449/0x710 [ 2370.423053][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.423053][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.423053][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.423053][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.423053][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.423053][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.423053][T16070] [ 2370.425010][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2370.425010][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2370.425010][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2370.425010][T16070] ipv6_find_idev+0x102/0x170 [ 2370.425010][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2370.425010][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2370.425010][T16070] netlink_rcv_skb+0x130/0x360 [ 2370.425010][T16070] netlink_unicast+0x449/0x710 [ 2370.425010][T16070] netlink_sendmsg+0x723/0xbe0 [ 2370.425010][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2370.425010][T16070] ___sys_sendmsg+0xee/0x170 [ 2370.425010][T16070] __sys_sendmsg+0xcd/0x170 [ 2370.425010][T16070] do_syscall_64+0xc6/0x1e0 [ 2370.425010][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2370.425010][T16070] [ 2379.408935][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2379.409291][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.409291][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.409291][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.409291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.409291][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.409291][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.409291][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.409291][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.409291][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.409291][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.409291][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.409291][ T74] process_one_work+0x84d/0x18a0 [ 2379.409291][ T74] worker_thread+0x587/0xd30 [ 2379.409291][ T74] kthread+0x28a/0x350 [ 2379.409291][ T74] ret_from_fork+0x31/0x70 [ 2379.409291][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.409291][ T74] [ 2379.411296][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.411296][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.411296][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.411296][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.411296][ T74] ip6_route_add+0x1c/0x140 [ 2379.411296][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.411296][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.411296][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.411296][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.411296][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.411296][ T74] netlink_unicast+0x449/0x710 [ 2379.411296][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.411296][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.411296][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.411296][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.411296][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.411296][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.411296][ T74] [ 2379.413363][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.413363][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.413363][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.413363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.413363][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.413363][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.413363][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.413363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.413363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.413363][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.413363][ T74] netlink_unicast+0x449/0x710 [ 2379.413363][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.413363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.413363][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.413363][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.413363][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.413363][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.413363][ T74] [ 2379.415395][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.415395][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.415395][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.415395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.415395][ T74] ip6_route_add+0x1c/0x140 [ 2379.415395][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.415395][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.415395][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.415395][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.415395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.415395][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.415395][ T74] netlink_unicast+0x449/0x710 [ 2379.415395][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.415395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.415395][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.415395][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.415395][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.415395][ T74] [ 2379.417413][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.417413][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.417413][ T74] ipv6_find_idev+0x102/0x170 [ 2379.417413][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.417413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.417413][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.417413][ T74] netlink_unicast+0x449/0x710 [ 2379.417413][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.417413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.417413][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.417413][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.417413][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.417413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.417413][ T74] [ 2379.418989][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2379.418989][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.418989][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.418989][ T74] ipv6_find_idev+0x102/0x170 [ 2379.418989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.418989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.418989][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.418989][ T74] netlink_unicast+0x449/0x710 [ 2379.418989][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.418989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.418989][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.418989][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.418989][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.418989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.418989][ T74] [ 2379.420745][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2379.420995][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.420995][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.420995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.420995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.420995][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.420995][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.420995][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.420995][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.420995][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.420995][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.420995][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.420995][ T74] process_one_work+0x84d/0x18a0 [ 2379.420995][ T74] worker_thread+0x587/0xd30 [ 2379.420995][ T74] kthread+0x28a/0x350 [ 2379.420995][ T74] ret_from_fork+0x31/0x70 [ 2379.420995][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.420995][ T74] [ 2379.422965][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.422965][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.422965][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.422965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.422965][ T74] ip6_route_add+0x1c/0x140 [ 2379.422965][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.422965][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.422965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.422965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.422965][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.422965][ T74] netlink_unicast+0x449/0x710 [ 2379.422965][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.422965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.422965][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.422965][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.422965][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.422965][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.422965][ T74] [ 2379.424988][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.424988][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.424988][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.424988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.424988][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.424988][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.424988][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.424988][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.424988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.424988][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.424988][ T74] netlink_unicast+0x449/0x710 [ 2379.424988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.424988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.424988][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.424988][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.424988][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.424988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.424988][ T74] [ 2379.427022][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.427022][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.427022][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.427022][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.427022][ T74] ip6_route_add+0x1c/0x140 [ 2379.427022][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.427022][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.427022][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.427022][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.427022][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.427022][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.427022][ T74] netlink_unicast+0x449/0x710 [ 2379.427022][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.427022][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.427022][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.427022][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.427022][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.427022][ T74] [ 2379.429035][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.429035][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.429035][ T74] ipv6_find_idev+0x102/0x170 [ 2379.429035][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.429035][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.429035][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.429035][ T74] netlink_unicast+0x449/0x710 [ 2379.429035][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.429035][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.429035][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.429035][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.429035][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.429035][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.429035][ T74] [ 2379.430642][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2379.430642][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.430642][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.430642][ T74] ipv6_find_idev+0x102/0x170 [ 2379.430642][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.430642][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.430642][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.430642][ T74] netlink_unicast+0x449/0x710 [ 2379.430642][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.430642][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.430642][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.430642][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.430642][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.430642][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.430642][ T74] [ 2379.432360][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2379.432608][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.432608][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.432608][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.432608][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.432608][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.432608][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.432608][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.432608][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.432608][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.432608][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.432608][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.432608][ T74] process_one_work+0x84d/0x18a0 [ 2379.432608][ T74] worker_thread+0x587/0xd30 [ 2379.432608][ T74] kthread+0x28a/0x350 [ 2379.432608][ T74] ret_from_fork+0x31/0x70 [ 2379.432608][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.432608][ T74] [ 2379.434571][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.434571][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.434571][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.434571][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.434571][ T74] ip6_route_add+0x1c/0x140 [ 2379.434571][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.434571][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.434571][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.434571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.434571][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.434571][ T74] netlink_unicast+0x449/0x710 [ 2379.434571][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.434571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.434571][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.434571][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.434571][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.434571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.434571][ T74] [ 2379.436740][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.436740][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.436740][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.436740][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.436740][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.436740][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.436740][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.436740][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.436740][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.436740][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.436740][ T74] netlink_unicast+0x449/0x710 [ 2379.436740][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.436740][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.436740][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.436740][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.436740][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.436740][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.436740][ T74] [ 2379.439065][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.439065][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.439065][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.439065][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.439065][ T74] ip6_route_add+0x1c/0x140 [ 2379.439065][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.439065][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.439065][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.439065][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.439065][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.439065][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.439065][ T74] netlink_unicast+0x449/0x710 [ 2379.439065][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.439065][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.439065][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.439065][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.439065][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.439065][ T74] [ 2379.441412][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.441412][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.441412][ T74] ipv6_find_idev+0x102/0x170 [ 2379.441412][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.441412][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.441412][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.441412][ T74] netlink_unicast+0x449/0x710 [ 2379.441412][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.441412][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.441412][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.441412][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.441412][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.441412][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.441412][ T74] [ 2379.443178][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2379.443178][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.443178][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.443178][ T74] ipv6_find_idev+0x102/0x170 [ 2379.443178][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.443178][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.443178][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.443178][ T74] netlink_unicast+0x449/0x710 [ 2379.443178][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.443178][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.443178][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.443178][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.443178][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.443178][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.443178][ T74] [ 2379.445486][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2379.445725][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.445725][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.445725][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.445725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.445725][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2379.445725][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2379.445725][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2379.445725][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2379.445725][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2379.445725][ T74] addrconf_dad_begin+0x310/0x670 [ 2379.445725][ T74] addrconf_dad_work+0x10b/0xab0 [ 2379.445725][ T74] process_one_work+0x84d/0x18a0 [ 2379.445725][ T74] worker_thread+0x587/0xd30 [ 2379.445725][ T74] kthread+0x28a/0x350 [ 2379.445725][ T74] ret_from_fork+0x31/0x70 [ 2379.445725][ T74] ret_from_fork_asm+0x1a/0x30 [ 2379.445725][ T74] [ 2379.447686][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.447686][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.447686][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.447686][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.447686][ T74] ip6_route_add+0x1c/0x140 [ 2379.447686][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2379.447686][ T74] inet6_addr_add+0x4f8/0xa40 [ 2379.447686][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.447686][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.447686][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.447686][ T74] netlink_unicast+0x449/0x710 [ 2379.447686][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.447686][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.447686][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.447686][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.447686][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.447686][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.447686][ T74] [ 2379.449879][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.449879][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.449879][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.449879][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.449879][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2379.449879][ T74] ipv6_add_addr+0x411/0x2000 [ 2379.449879][ T74] inet6_addr_add+0x30e/0xa40 [ 2379.449879][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.449879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.449879][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.449879][ T74] netlink_unicast+0x449/0x710 [ 2379.449879][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.449879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.449879][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.449879][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.449879][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.449879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.449879][ T74] [ 2379.452148][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.452148][ T74] netdev_get_by_index+0x5e/0x80 [ 2379.452148][ T74] fib6_nh_init+0x3d8/0x1580 [ 2379.452148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2379.452148][ T74] ip6_route_add+0x1c/0x140 [ 2379.452148][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2379.452148][ T74] addrconf_add_dev+0xe2/0x170 [ 2379.452148][ T74] inet6_addr_add+0x12f/0xa40 [ 2379.452148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2379.452148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.452148][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.452148][ T74] netlink_unicast+0x449/0x710 [ 2379.452148][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.452148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.452148][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.452148][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.452148][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.452148][ T74] [ 2379.454423][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.454423][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2379.454423][ T74] ipv6_find_idev+0x102/0x170 [ 2379.454423][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.454423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.454423][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.454423][ T74] netlink_unicast+0x449/0x710 [ 2379.454423][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.454423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.454423][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.454423][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.454423][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.454423][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.454423][ T74] [ 2379.456168][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2379.456168][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2379.456168][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2379.456168][ T74] ipv6_find_idev+0x102/0x170 [ 2379.456168][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2379.456168][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2379.456168][ T74] netlink_rcv_skb+0x130/0x360 [ 2379.456168][ T74] netlink_unicast+0x449/0x710 [ 2379.456168][ T74] netlink_sendmsg+0x723/0xbe0 [ 2379.456168][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2379.456168][ T74] ___sys_sendmsg+0xee/0x170 [ 2379.456168][ T74] __sys_sendmsg+0xcd/0x170 [ 2379.456168][ T74] do_syscall_64+0xc6/0x1e0 [ 2379.456168][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2379.456168][ T74] [ 2380.432953][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2380.433508][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2380.433508][T16070] dst_init+0x84/0x4a0 [ 2380.433508][T16070] dst_alloc+0x97/0x150 [ 2380.433508][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.433508][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.433508][T16070] ip6_pol_route+0x56f/0x840 [ 2380.433508][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2380.433508][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2380.433508][T16070] fib6_rule_lookup+0x182/0x630 [ 2380.433508][T16070] ip6_route_output_flags+0x259/0x480 [ 2380.433508][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2380.433508][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2380.433508][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2380.433508][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2380.433508][T16070] ip6_datagram_connect+0x2c/0x50 [ 2380.433508][T16070] __sys_connect+0x217/0x2a0 [ 2380.433508][T16070] __x64_sys_connect+0x72/0xb0 [ 2380.433508][T16070] [ 2380.436061][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2380.436061][T16070] dst_init+0x84/0x4a0 [ 2380.436061][T16070] dst_alloc+0x97/0x150 [ 2380.436061][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.436061][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.436061][T16070] ip6_pol_route+0x56f/0x840 [ 2380.436061][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2380.436061][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2380.436061][T16070] fib6_rule_lookup+0x182/0x630 [ 2380.436061][T16070] ip6_route_output_flags+0x259/0x480 [ 2380.436061][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2380.436061][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2380.436061][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2380.436061][T16070] __inet_stream_connect+0x272/0x9f0 [ 2380.436061][T16070] inet_stream_connect+0x57/0xa0 [ 2380.436061][T16070] __sys_connect+0x217/0x2a0 [ 2380.436061][T16070] __x64_sys_connect+0x72/0xb0 [ 2380.436061][T16070] [ 2380.438564][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.438564][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2380.438564][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2380.438564][T16070] fib6_nh_init+0xa22/0x1580 [ 2380.438564][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.438564][T16070] ip6_route_add+0x1c/0x140 [ 2380.438564][T16070] inet6_rtm_newroute+0x104/0x110 [ 2380.438564][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.438564][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.438564][T16070] netlink_unicast+0x449/0x710 [ 2380.438564][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.438564][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.438564][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.438564][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.438564][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.438564][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.438564][T16070] [ 2380.440917][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.440917][T16070] dst_init+0x84/0x4a0 [ 2380.440917][T16070] dst_alloc+0x97/0x150 [ 2380.440917][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.440917][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.440917][T16070] ip6_pol_route+0x56f/0x840 [ 2380.440917][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2380.440917][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2380.440917][T16070] fib6_rule_lookup+0x182/0x630 [ 2380.440917][T16070] ip6_route_input+0x59c/0xa50 [ 2380.440917][T16070] ipv6_rcv+0x397/0x810 [ 2380.440917][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2380.440917][T16070] process_backlog+0x101/0x620 [ 2380.440917][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2380.440917][T16070] net_rx_action+0x495/0xbe0 [ 2380.440917][T16070] __do_softirq+0x1b5/0x7f6 [ 2380.440917][T16070] [ 2380.443228][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.443228][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.443228][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.443228][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.443228][T16070] ip6_route_add+0x1c/0x140 [ 2380.443228][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2380.443228][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2380.443228][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2380.443228][T16070] addrconf_dad_begin+0x310/0x670 [ 2380.443228][T16070] addrconf_dad_work+0x10b/0xab0 [ 2380.443228][T16070] process_one_work+0x84d/0x18a0 [ 2380.443228][T16070] worker_thread+0x587/0xd30 [ 2380.443228][T16070] kthread+0x28a/0x350 [ 2380.443228][T16070] ret_from_fork+0x31/0x70 [ 2380.443228][T16070] ret_from_fork_asm+0x1a/0x30 [ 2380.443228][T16070] [ 2380.445460][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.445460][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.445460][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.445460][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.445460][T16070] ip6_route_add+0x1c/0x140 [ 2380.445460][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2380.445460][T16070] inet6_addr_add+0x4f8/0xa40 [ 2380.445460][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.445460][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.445460][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.445460][T16070] netlink_unicast+0x449/0x710 [ 2380.445460][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.445460][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.445460][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.445460][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.445460][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.445460][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.445460][T16070] [ 2380.447954][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.447954][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.447954][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.447954][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.447954][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2380.447954][T16070] ipv6_add_addr+0x411/0x2000 [ 2380.447954][T16070] inet6_addr_add+0x30e/0xa40 [ 2380.447954][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.447954][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.447954][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.447954][T16070] netlink_unicast+0x449/0x710 [ 2380.447954][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.447954][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.447954][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.447954][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.447954][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.447954][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.447954][T16070] [ 2380.450434][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.450434][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.450434][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.450434][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.450434][T16070] ip6_route_add+0x1c/0x140 [ 2380.450434][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.450434][T16070] addrconf_add_dev+0xe2/0x170 [ 2380.450434][T16070] inet6_addr_add+0x12f/0xa40 [ 2380.450434][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.450434][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.450434][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.450434][T16070] netlink_unicast+0x449/0x710 [ 2380.450434][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.450434][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.450434][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.450434][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.450434][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.450434][T16070] [ 2380.452884][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.452884][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2380.452884][T16070] ipv6_find_idev+0x102/0x170 [ 2380.452884][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.452884][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.452884][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.452884][T16070] netlink_unicast+0x449/0x710 [ 2380.452884][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.452884][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.452884][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.452884][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.452884][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.452884][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.452884][T16070] [ 2380.454792][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2380.454792][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2380.454792][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2380.454792][T16070] ipv6_find_idev+0x102/0x170 [ 2380.454792][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.454792][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.454792][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.454792][T16070] netlink_unicast+0x449/0x710 [ 2380.454792][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.454792][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.454792][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.454792][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.454792][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.454792][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.454792][T16070] [ 2380.456890][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2380.457228][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2380.457228][T16070] dst_init+0x84/0x4a0 [ 2380.457228][T16070] dst_alloc+0x97/0x150 [ 2380.457228][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.457228][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.457228][T16070] ip6_pol_route+0x56f/0x840 [ 2380.457228][T16070] fib6_rule_lookup+0x334/0x630 [ 2380.457228][T16070] ip6_route_output_flags+0x259/0x480 [ 2380.457228][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2380.457228][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2380.457228][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2380.457228][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2380.457228][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2380.457228][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.457228][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.457228][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.457228][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.457228][T16070] [ 2380.459722][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.459722][T16070] dst_init+0x84/0x4a0 [ 2380.459722][T16070] dst_alloc+0x97/0x150 [ 2380.459722][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.459722][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.459722][T16070] ip6_pol_route+0x56f/0x840 [ 2380.459722][T16070] fib6_rule_lookup+0x334/0x630 [ 2380.459722][T16070] ip6_route_output_flags+0x259/0x480 [ 2380.459722][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2380.459722][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2380.459722][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2380.459722][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2380.459722][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2380.459722][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2380.459722][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2380.459722][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2380.459722][T16070] ip6_input_finish+0x120/0x260 [ 2380.459722][T16070] [ 2380.462258][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.462258][T16070] dst_init+0x84/0x4a0 [ 2380.462258][T16070] dst_alloc+0x97/0x150 [ 2380.462258][T16070] ip6_dst_alloc+0x23/0x90 [ 2380.462258][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2380.462258][T16070] ip6_pol_route+0x56f/0x840 [ 2380.462258][T16070] fib6_rule_lookup+0x456/0x630 [ 2380.462258][T16070] ip6_route_input+0x59c/0xa50 [ 2380.462258][T16070] ipv6_rcv+0x397/0x810 [ 2380.462258][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2380.462258][T16070] process_backlog+0x101/0x620 [ 2380.462258][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2380.462258][T16070] net_rx_action+0x495/0xbe0 [ 2380.462258][T16070] __do_softirq+0x1b5/0x7f6 [ 2380.462258][T16070] [ 2380.464308][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.464308][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.464308][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.464308][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.464308][T16070] ip6_route_add+0x1c/0x140 [ 2380.464308][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2380.464308][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2380.464308][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2380.464308][T16070] addrconf_dad_begin+0x310/0x670 [ 2380.464308][T16070] addrconf_dad_work+0x10b/0xab0 [ 2380.464308][T16070] process_one_work+0x84d/0x18a0 [ 2380.464308][T16070] worker_thread+0x587/0xd30 [ 2380.464308][T16070] kthread+0x28a/0x350 [ 2380.464308][T16070] ret_from_fork+0x31/0x70 [ 2380.464308][T16070] ret_from_fork_asm+0x1a/0x30 [ 2380.464308][T16070] [ 2380.466782][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.466782][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.466782][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.466782][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.466782][T16070] ip6_route_add+0x1c/0x140 [ 2380.466782][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2380.466782][T16070] inet6_addr_add+0x4f8/0xa40 [ 2380.466782][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.466782][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.466782][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.466782][T16070] netlink_unicast+0x449/0x710 [ 2380.466782][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.466782][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.466782][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.466782][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.466782][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.466782][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.466782][T16070] [ 2380.469663][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.469663][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.469663][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.469663][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.469663][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2380.469663][T16070] ipv6_add_addr+0x411/0x2000 [ 2380.469663][T16070] inet6_addr_add+0x30e/0xa40 [ 2380.469663][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.469663][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.469663][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.469663][T16070] netlink_unicast+0x449/0x710 [ 2380.469663][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.469663][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.469663][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.469663][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.469663][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.469663][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.469663][T16070] [ 2380.472466][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.472466][T16070] netdev_get_by_index+0x5e/0x80 [ 2380.472466][T16070] fib6_nh_init+0x3d8/0x1580 [ 2380.472466][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2380.472466][T16070] ip6_route_add+0x1c/0x140 [ 2380.472466][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2380.472466][T16070] addrconf_add_dev+0xe2/0x170 [ 2380.472466][T16070] inet6_addr_add+0x12f/0xa40 [ 2380.472466][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2380.472466][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.472466][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.472466][T16070] netlink_unicast+0x449/0x710 [ 2380.472466][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.472466][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.472466][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.472466][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.472466][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.472466][T16070] [ 2380.475146][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.475146][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2380.475146][T16070] ipv6_find_idev+0x102/0x170 [ 2380.475146][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.475146][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.475146][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.475146][T16070] netlink_unicast+0x449/0x710 [ 2380.475146][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.475146][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.475146][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.475146][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.475146][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.475146][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.475146][T16070] [ 2380.477300][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2380.477300][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2380.477300][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2380.477300][T16070] ipv6_find_idev+0x102/0x170 [ 2380.477300][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2380.477300][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2380.477300][T16070] netlink_rcv_skb+0x130/0x360 [ 2380.477300][T16070] netlink_unicast+0x449/0x710 [ 2380.477300][T16070] netlink_sendmsg+0x723/0xbe0 [ 2380.477300][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2380.477300][T16070] ___sys_sendmsg+0xee/0x170 [ 2380.477300][T16070] __sys_sendmsg+0xcd/0x170 [ 2380.477300][T16070] do_syscall_64+0xc6/0x1e0 [ 2380.477300][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2380.477300][T16070] [ 2389.520870][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2389.521338][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.521338][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.521338][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.521338][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.521338][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2389.521338][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2389.521338][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2389.521338][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2389.521338][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2389.521338][ T74] addrconf_dad_begin+0x310/0x670 [ 2389.521338][ T74] addrconf_dad_work+0x10b/0xab0 [ 2389.521338][ T74] process_one_work+0x84d/0x18a0 [ 2389.521338][ T74] worker_thread+0x587/0xd30 [ 2389.521338][ T74] kthread+0x28a/0x350 [ 2389.521338][ T74] ret_from_fork+0x31/0x70 [ 2389.521338][ T74] ret_from_fork_asm+0x1a/0x30 [ 2389.521338][ T74] [ 2389.523493][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.523493][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.523493][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.523493][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.523493][ T74] ip6_route_add+0x1c/0x140 [ 2389.523493][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2389.523493][ T74] inet6_addr_add+0x4f8/0xa40 [ 2389.523493][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.523493][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.523493][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.523493][ T74] netlink_unicast+0x449/0x710 [ 2389.523493][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.523493][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.523493][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.523493][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.523493][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.523493][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.523493][ T74] [ 2389.525736][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.525736][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.525736][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.525736][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.525736][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2389.525736][ T74] ipv6_add_addr+0x411/0x2000 [ 2389.525736][ T74] inet6_addr_add+0x30e/0xa40 [ 2389.525736][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.525736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.525736][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.525736][ T74] netlink_unicast+0x449/0x710 [ 2389.525736][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.525736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.525736][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.525736][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.525736][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.525736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.525736][ T74] [ 2389.527977][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.527977][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.527977][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.527977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.527977][ T74] ip6_route_add+0x1c/0x140 [ 2389.527977][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2389.527977][ T74] addrconf_add_dev+0xe2/0x170 [ 2389.527977][ T74] inet6_addr_add+0x12f/0xa40 [ 2389.527977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.527977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.527977][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.527977][ T74] netlink_unicast+0x449/0x710 [ 2389.527977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.527977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.527977][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.527977][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.527977][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.527977][ T74] [ 2389.530181][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.530181][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2389.530181][ T74] ipv6_find_idev+0x102/0x170 [ 2389.530181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.530181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.530181][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.530181][ T74] netlink_unicast+0x449/0x710 [ 2389.530181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.530181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.530181][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.530181][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.530181][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.530181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.530181][ T74] [ 2389.531913][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2389.531913][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2389.531913][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2389.531913][ T74] ipv6_find_idev+0x102/0x170 [ 2389.531913][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.531913][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.531913][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.531913][ T74] netlink_unicast+0x449/0x710 [ 2389.531913][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.531913][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.531913][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.531913][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.531913][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.531913][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.531913][ T74] [ 2389.533820][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2389.534078][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.534078][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.534078][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.534078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.534078][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2389.534078][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2389.534078][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2389.534078][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2389.534078][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2389.534078][ T74] addrconf_dad_begin+0x310/0x670 [ 2389.534078][ T74] addrconf_dad_work+0x10b/0xab0 [ 2389.534078][ T74] process_one_work+0x84d/0x18a0 [ 2389.534078][ T74] worker_thread+0x587/0xd30 [ 2389.534078][ T74] kthread+0x28a/0x350 [ 2389.534078][ T74] ret_from_fork+0x31/0x70 [ 2389.534078][ T74] ret_from_fork_asm+0x1a/0x30 [ 2389.534078][ T74] [ 2389.536235][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.536235][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.536235][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.536235][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.536235][ T74] ip6_route_add+0x1c/0x140 [ 2389.536235][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2389.536235][ T74] inet6_addr_add+0x4f8/0xa40 [ 2389.536235][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.536235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.536235][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.536235][ T74] netlink_unicast+0x449/0x710 [ 2389.536235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.536235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.536235][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.536235][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.536235][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.536235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.536235][ T74] [ 2389.538478][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.538478][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.538478][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.538478][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.538478][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2389.538478][ T74] ipv6_add_addr+0x411/0x2000 [ 2389.538478][ T74] inet6_addr_add+0x30e/0xa40 [ 2389.538478][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.538478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.538478][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.538478][ T74] netlink_unicast+0x449/0x710 [ 2389.538478][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.538478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.538478][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.538478][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.538478][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.538478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.538478][ T74] [ 2389.540720][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.540720][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.540720][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.540720][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.540720][ T74] ip6_route_add+0x1c/0x140 [ 2389.540720][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2389.540720][ T74] addrconf_add_dev+0xe2/0x170 [ 2389.540720][ T74] inet6_addr_add+0x12f/0xa40 [ 2389.540720][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.540720][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.540720][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.540720][ T74] netlink_unicast+0x449/0x710 [ 2389.540720][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.540720][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.540720][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.540720][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.540720][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.540720][ T74] [ 2389.542914][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.542914][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2389.542914][ T74] ipv6_find_idev+0x102/0x170 [ 2389.542914][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.542914][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.542914][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.542914][ T74] netlink_unicast+0x449/0x710 [ 2389.542914][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.542914][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.542914][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.542914][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.542914][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.542914][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.542914][ T74] [ 2389.544639][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2389.544639][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2389.544639][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2389.544639][ T74] ipv6_find_idev+0x102/0x170 [ 2389.544639][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.544639][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.544639][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.544639][ T74] netlink_unicast+0x449/0x710 [ 2389.544639][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.544639][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.544639][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.544639][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.544639][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.544639][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.544639][ T74] [ 2389.546508][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2389.546767][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.546767][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.546767][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.546767][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.546767][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2389.546767][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2389.546767][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2389.546767][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2389.546767][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2389.546767][ T74] addrconf_dad_begin+0x310/0x670 [ 2389.546767][ T74] addrconf_dad_work+0x10b/0xab0 [ 2389.546767][ T74] process_one_work+0x84d/0x18a0 [ 2389.546767][ T74] worker_thread+0x587/0xd30 [ 2389.546767][ T74] kthread+0x28a/0x350 [ 2389.546767][ T74] ret_from_fork+0x31/0x70 [ 2389.546767][ T74] ret_from_fork_asm+0x1a/0x30 [ 2389.546767][ T74] [ 2389.548901][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.548901][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.548901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.548901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.548901][ T74] ip6_route_add+0x1c/0x140 [ 2389.548901][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2389.548901][ T74] inet6_addr_add+0x4f8/0xa40 [ 2389.548901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.548901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.548901][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.548901][ T74] netlink_unicast+0x449/0x710 [ 2389.548901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.548901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.548901][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.548901][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.548901][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.548901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.548901][ T74] [ 2389.551302][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.551302][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.551302][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.551302][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.551302][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2389.551302][ T74] ipv6_add_addr+0x411/0x2000 [ 2389.551302][ T74] inet6_addr_add+0x30e/0xa40 [ 2389.551302][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.551302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.551302][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.551302][ T74] netlink_unicast+0x449/0x710 [ 2389.551302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.551302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.551302][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.551302][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.551302][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.551302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.551302][ T74] [ 2389.553677][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.553677][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.553677][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.553677][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.553677][ T74] ip6_route_add+0x1c/0x140 [ 2389.553677][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2389.553677][ T74] addrconf_add_dev+0xe2/0x170 [ 2389.553677][ T74] inet6_addr_add+0x12f/0xa40 [ 2389.553677][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.553677][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.553677][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.553677][ T74] netlink_unicast+0x449/0x710 [ 2389.553677][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.553677][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.553677][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.553677][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.553677][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.553677][ T74] [ 2389.556046][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.556046][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2389.556046][ T74] ipv6_find_idev+0x102/0x170 [ 2389.556046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.556046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.556046][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.556046][ T74] netlink_unicast+0x449/0x710 [ 2389.556046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.556046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.556046][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.556046][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.556046][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.556046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.556046][ T74] [ 2389.557906][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2389.557906][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2389.557906][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2389.557906][ T74] ipv6_find_idev+0x102/0x170 [ 2389.557906][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.557906][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.557906][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.557906][ T74] netlink_unicast+0x449/0x710 [ 2389.557906][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.557906][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.557906][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.557906][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.557906][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.557906][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.557906][ T74] [ 2389.559860][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2389.560121][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.560121][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.560121][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.560121][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.560121][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2389.560121][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2389.560121][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2389.560121][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2389.560121][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2389.560121][ T74] addrconf_dad_begin+0x310/0x670 [ 2389.560121][ T74] addrconf_dad_work+0x10b/0xab0 [ 2389.560121][ T74] process_one_work+0x84d/0x18a0 [ 2389.560121][ T74] worker_thread+0x587/0xd30 [ 2389.560121][ T74] kthread+0x28a/0x350 [ 2389.560121][ T74] ret_from_fork+0x31/0x70 [ 2389.560121][ T74] ret_from_fork_asm+0x1a/0x30 [ 2389.560121][ T74] [ 2389.562401][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.562401][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.562401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.562401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.562401][ T74] ip6_route_add+0x1c/0x140 [ 2389.562401][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2389.562401][ T74] inet6_addr_add+0x4f8/0xa40 [ 2389.562401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.562401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.562401][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.562401][ T74] netlink_unicast+0x449/0x710 [ 2389.562401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.562401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.562401][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.562401][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.562401][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.562401][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.562401][ T74] [ 2389.564784][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.564784][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.564784][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.564784][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.564784][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2389.564784][ T74] ipv6_add_addr+0x411/0x2000 [ 2389.564784][ T74] inet6_addr_add+0x30e/0xa40 [ 2389.564784][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.564784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.564784][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.564784][ T74] netlink_unicast+0x449/0x710 [ 2389.564784][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.564784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.564784][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.564784][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.564784][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.564784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.564784][ T74] [ 2389.567154][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.567154][ T74] netdev_get_by_index+0x5e/0x80 [ 2389.567154][ T74] fib6_nh_init+0x3d8/0x1580 [ 2389.567154][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2389.567154][ T74] ip6_route_add+0x1c/0x140 [ 2389.567154][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2389.567154][ T74] addrconf_add_dev+0xe2/0x170 [ 2389.567154][ T74] inet6_addr_add+0x12f/0xa40 [ 2389.567154][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2389.567154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.567154][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.567154][ T74] netlink_unicast+0x449/0x710 [ 2389.567154][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.567154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.567154][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.567154][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.567154][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.567154][ T74] [ 2389.569487][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.569487][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2389.569487][ T74] ipv6_find_idev+0x102/0x170 [ 2389.569487][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.569487][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.569487][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.569487][ T74] netlink_unicast+0x449/0x710 [ 2389.569487][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.569487][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.569487][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.569487][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.569487][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.569487][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.569487][ T74] [ 2389.571281][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2389.571281][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2389.571281][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2389.571281][ T74] ipv6_find_idev+0x102/0x170 [ 2389.571281][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2389.571281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2389.571281][ T74] netlink_rcv_skb+0x130/0x360 [ 2389.571281][ T74] netlink_unicast+0x449/0x710 [ 2389.571281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2389.571281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2389.571281][ T74] ___sys_sendmsg+0xee/0x170 [ 2389.571281][ T74] __sys_sendmsg+0xcd/0x170 [ 2389.571281][ T74] do_syscall_64+0xc6/0x1e0 [ 2389.571281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2389.571281][ T74] [ 2390.544928][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2390.545412][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2390.545412][T16070] dst_init+0x84/0x4a0 [ 2390.545412][T16070] dst_alloc+0x97/0x150 [ 2390.545412][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.545412][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.545412][T16070] ip6_pol_route+0x56f/0x840 [ 2390.545412][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2390.545412][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2390.545412][T16070] fib6_rule_lookup+0x182/0x630 [ 2390.545412][T16070] ip6_route_output_flags+0x259/0x480 [ 2390.545412][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2390.545412][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2390.545412][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2390.545412][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2390.545412][T16070] ip6_datagram_connect+0x2c/0x50 [ 2390.545412][T16070] __sys_connect+0x217/0x2a0 [ 2390.545412][T16070] __x64_sys_connect+0x72/0xb0 [ 2390.545412][T16070] [ 2390.547759][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2390.547759][T16070] dst_init+0x84/0x4a0 [ 2390.547759][T16070] dst_alloc+0x97/0x150 [ 2390.547759][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.547759][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.547759][T16070] ip6_pol_route+0x56f/0x840 [ 2390.547759][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2390.547759][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2390.547759][T16070] fib6_rule_lookup+0x182/0x630 [ 2390.547759][T16070] ip6_route_output_flags+0x259/0x480 [ 2390.547759][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2390.547759][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2390.547759][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2390.547759][T16070] __inet_stream_connect+0x272/0x9f0 [ 2390.547759][T16070] inet_stream_connect+0x57/0xa0 [ 2390.547759][T16070] __sys_connect+0x217/0x2a0 [ 2390.547759][T16070] __x64_sys_connect+0x72/0xb0 [ 2390.547759][T16070] [ 2390.550036][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.550036][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2390.550036][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2390.550036][T16070] fib6_nh_init+0xa22/0x1580 [ 2390.550036][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.550036][T16070] ip6_route_add+0x1c/0x140 [ 2390.550036][T16070] inet6_rtm_newroute+0x104/0x110 [ 2390.550036][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.550036][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.550036][T16070] netlink_unicast+0x449/0x710 [ 2390.550036][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.550036][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.550036][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.550036][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.550036][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.550036][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.550036][T16070] [ 2390.552172][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.552172][T16070] dst_init+0x84/0x4a0 [ 2390.552172][T16070] dst_alloc+0x97/0x150 [ 2390.552172][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.552172][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.552172][T16070] ip6_pol_route+0x56f/0x840 [ 2390.552172][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2390.552172][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2390.552172][T16070] fib6_rule_lookup+0x182/0x630 [ 2390.552172][T16070] ip6_route_input+0x59c/0xa50 [ 2390.552172][T16070] ipv6_rcv+0x397/0x810 [ 2390.552172][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2390.552172][T16070] process_backlog+0x101/0x620 [ 2390.552172][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2390.552172][T16070] net_rx_action+0x495/0xbe0 [ 2390.552172][T16070] __do_softirq+0x1b5/0x7f6 [ 2390.552172][T16070] [ 2390.554275][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.554275][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.554275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.554275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.554275][T16070] ip6_route_add+0x1c/0x140 [ 2390.554275][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2390.554275][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2390.554275][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2390.554275][T16070] addrconf_dad_begin+0x310/0x670 [ 2390.554275][T16070] addrconf_dad_work+0x10b/0xab0 [ 2390.554275][T16070] process_one_work+0x84d/0x18a0 [ 2390.554275][T16070] worker_thread+0x587/0xd30 [ 2390.554275][T16070] kthread+0x28a/0x350 [ 2390.554275][T16070] ret_from_fork+0x31/0x70 [ 2390.554275][T16070] ret_from_fork_asm+0x1a/0x30 [ 2390.554275][T16070] [ 2390.556313][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.556313][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.556313][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.556313][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.556313][T16070] ip6_route_add+0x1c/0x140 [ 2390.556313][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2390.556313][T16070] inet6_addr_add+0x4f8/0xa40 [ 2390.556313][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.556313][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.556313][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.556313][T16070] netlink_unicast+0x449/0x710 [ 2390.556313][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.556313][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.556313][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.556313][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.556313][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.556313][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.556313][T16070] [ 2390.558601][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.558601][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.558601][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.558601][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.558601][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2390.558601][T16070] ipv6_add_addr+0x411/0x2000 [ 2390.558601][T16070] inet6_addr_add+0x30e/0xa40 [ 2390.558601][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.558601][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.558601][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.558601][T16070] netlink_unicast+0x449/0x710 [ 2390.558601][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.558601][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.558601][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.558601][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.558601][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.558601][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.558601][T16070] [ 2390.560869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.560869][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.560869][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.560869][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.560869][T16070] ip6_route_add+0x1c/0x140 [ 2390.560869][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.560869][T16070] addrconf_add_dev+0xe2/0x170 [ 2390.560869][T16070] inet6_addr_add+0x12f/0xa40 [ 2390.560869][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.560869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.560869][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.560869][T16070] netlink_unicast+0x449/0x710 [ 2390.560869][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.560869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.560869][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.560869][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.560869][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.560869][T16070] [ 2390.563134][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.563134][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2390.563134][T16070] ipv6_find_idev+0x102/0x170 [ 2390.563134][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.563134][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.563134][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.563134][T16070] netlink_unicast+0x449/0x710 [ 2390.563134][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.563134][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.563134][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.563134][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.563134][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.563134][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.563134][T16070] [ 2390.564891][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2390.564891][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2390.564891][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2390.564891][T16070] ipv6_find_idev+0x102/0x170 [ 2390.564891][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.564891][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.564891][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.564891][T16070] netlink_unicast+0x449/0x710 [ 2390.564891][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.564891][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.564891][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.564891][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.564891][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.564891][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.564891][T16070] [ 2390.566880][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2390.567196][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2390.567196][T16070] dst_init+0x84/0x4a0 [ 2390.567196][T16070] dst_alloc+0x97/0x150 [ 2390.567196][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.567196][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.567196][T16070] ip6_pol_route+0x56f/0x840 [ 2390.567196][T16070] fib6_rule_lookup+0x334/0x630 [ 2390.567196][T16070] ip6_route_output_flags+0x259/0x480 [ 2390.567196][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2390.567196][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2390.567196][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2390.567196][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2390.567196][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2390.567196][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.567196][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.567196][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.567196][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.567196][T16070] [ 2390.569476][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.569476][T16070] dst_init+0x84/0x4a0 [ 2390.569476][T16070] dst_alloc+0x97/0x150 [ 2390.569476][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.569476][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.569476][T16070] ip6_pol_route+0x56f/0x840 [ 2390.569476][T16070] fib6_rule_lookup+0x334/0x630 [ 2390.569476][T16070] ip6_route_output_flags+0x259/0x480 [ 2390.569476][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2390.569476][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2390.569476][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2390.569476][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2390.569476][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2390.569476][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2390.569476][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2390.569476][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2390.569476][T16070] ip6_input_finish+0x120/0x260 [ 2390.569476][T16070] [ 2390.571795][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.571795][T16070] dst_init+0x84/0x4a0 [ 2390.571795][T16070] dst_alloc+0x97/0x150 [ 2390.571795][T16070] ip6_dst_alloc+0x23/0x90 [ 2390.571795][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2390.571795][T16070] ip6_pol_route+0x56f/0x840 [ 2390.571795][T16070] fib6_rule_lookup+0x456/0x630 [ 2390.571795][T16070] ip6_route_input+0x59c/0xa50 [ 2390.571795][T16070] ipv6_rcv+0x397/0x810 [ 2390.571795][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2390.571795][T16070] process_backlog+0x101/0x620 [ 2390.571795][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2390.571795][T16070] net_rx_action+0x495/0xbe0 [ 2390.571795][T16070] __do_softirq+0x1b5/0x7f6 [ 2390.571795][T16070] [ 2390.573647][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.573647][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.573647][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.573647][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.573647][T16070] ip6_route_add+0x1c/0x140 [ 2390.573647][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2390.573647][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2390.573647][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2390.573647][T16070] addrconf_dad_begin+0x310/0x670 [ 2390.573647][T16070] addrconf_dad_work+0x10b/0xab0 [ 2390.573647][T16070] process_one_work+0x84d/0x18a0 [ 2390.573647][T16070] worker_thread+0x587/0xd30 [ 2390.573647][T16070] kthread+0x28a/0x350 [ 2390.573647][T16070] ret_from_fork+0x31/0x70 [ 2390.573647][T16070] ret_from_fork_asm+0x1a/0x30 [ 2390.573647][T16070] [ 2390.575907][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.575907][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.575907][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.575907][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.575907][T16070] ip6_route_add+0x1c/0x140 [ 2390.575907][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2390.575907][T16070] inet6_addr_add+0x4f8/0xa40 [ 2390.575907][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.575907][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.575907][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.575907][T16070] netlink_unicast+0x449/0x710 [ 2390.575907][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.575907][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.575907][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.575907][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.575907][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.575907][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.575907][T16070] [ 2390.578488][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.578488][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.578488][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.578488][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.578488][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2390.578488][T16070] ipv6_add_addr+0x411/0x2000 [ 2390.578488][T16070] inet6_addr_add+0x30e/0xa40 [ 2390.578488][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.578488][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.578488][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.578488][T16070] netlink_unicast+0x449/0x710 [ 2390.578488][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.578488][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.578488][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.578488][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.578488][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.578488][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.578488][T16070] [ 2390.581086][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.581086][T16070] netdev_get_by_index+0x5e/0x80 [ 2390.581086][T16070] fib6_nh_init+0x3d8/0x1580 [ 2390.581086][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2390.581086][T16070] ip6_route_add+0x1c/0x140 [ 2390.581086][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2390.581086][T16070] addrconf_add_dev+0xe2/0x170 [ 2390.581086][T16070] inet6_addr_add+0x12f/0xa40 [ 2390.581086][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2390.581086][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.581086][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.581086][T16070] netlink_unicast+0x449/0x710 [ 2390.581086][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.581086][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.581086][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.581086][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.581086][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.581086][T16070] [ 2390.583627][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.583627][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2390.583627][T16070] ipv6_find_idev+0x102/0x170 [ 2390.583627][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.583627][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.583627][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.583627][T16070] netlink_unicast+0x449/0x710 [ 2390.583627][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.583627][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.583627][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.583627][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.583627][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.583627][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.583627][T16070] [ 2390.585695][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2390.585695][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2390.585695][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2390.585695][T16070] ipv6_find_idev+0x102/0x170 [ 2390.585695][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2390.585695][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2390.585695][T16070] netlink_rcv_skb+0x130/0x360 [ 2390.585695][T16070] netlink_unicast+0x449/0x710 [ 2390.585695][T16070] netlink_sendmsg+0x723/0xbe0 [ 2390.585695][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2390.585695][T16070] ___sys_sendmsg+0xee/0x170 [ 2390.585695][T16070] __sys_sendmsg+0xcd/0x170 [ 2390.585695][T16070] do_syscall_64+0xc6/0x1e0 [ 2390.585695][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2390.585695][T16070] [ 2399.688928][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2399.689395][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.689395][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.689395][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.689395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.689395][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2399.689395][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2399.689395][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2399.689395][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2399.689395][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2399.689395][ T74] addrconf_dad_begin+0x310/0x670 [ 2399.689395][ T74] addrconf_dad_work+0x10b/0xab0 [ 2399.689395][ T74] process_one_work+0x84d/0x18a0 [ 2399.689395][ T74] worker_thread+0x587/0xd30 [ 2399.689395][ T74] kthread+0x28a/0x350 [ 2399.689395][ T74] ret_from_fork+0x31/0x70 [ 2399.689395][ T74] ret_from_fork_asm+0x1a/0x30 [ 2399.689395][ T74] [ 2399.691572][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.691572][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.691572][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.691572][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.691572][ T74] ip6_route_add+0x1c/0x140 [ 2399.691572][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2399.691572][ T74] inet6_addr_add+0x4f8/0xa40 [ 2399.691572][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.691572][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.691572][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.691572][ T74] netlink_unicast+0x449/0x710 [ 2399.691572][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.691572][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.691572][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.691572][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.691572][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.691572][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.691572][ T74] [ 2399.693816][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.693816][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.693816][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.693816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.693816][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2399.693816][ T74] ipv6_add_addr+0x411/0x2000 [ 2399.693816][ T74] inet6_addr_add+0x30e/0xa40 [ 2399.693816][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.693816][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.693816][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.693816][ T74] netlink_unicast+0x449/0x710 [ 2399.693816][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.693816][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.693816][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.693816][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.693816][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.693816][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.693816][ T74] [ 2399.696061][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.696061][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.696061][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.696061][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.696061][ T74] ip6_route_add+0x1c/0x140 [ 2399.696061][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2399.696061][ T74] addrconf_add_dev+0xe2/0x170 [ 2399.696061][ T74] inet6_addr_add+0x12f/0xa40 [ 2399.696061][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.696061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.696061][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.696061][ T74] netlink_unicast+0x449/0x710 [ 2399.696061][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.696061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.696061][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.696061][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.696061][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.696061][ T74] [ 2399.698278][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.698278][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2399.698278][ T74] ipv6_find_idev+0x102/0x170 [ 2399.698278][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.698278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.698278][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.698278][ T74] netlink_unicast+0x449/0x710 [ 2399.698278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.698278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.698278][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.698278][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.698278][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.698278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.698278][ T74] [ 2399.700008][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2399.700008][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2399.700008][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2399.700008][ T74] ipv6_find_idev+0x102/0x170 [ 2399.700008][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.700008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.700008][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.700008][ T74] netlink_unicast+0x449/0x710 [ 2399.700008][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.700008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.700008][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.700008][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.700008][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.700008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.700008][ T74] [ 2399.701901][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2399.702160][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.702160][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.702160][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.702160][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.702160][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2399.702160][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2399.702160][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2399.702160][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2399.702160][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2399.702160][ T74] addrconf_dad_begin+0x310/0x670 [ 2399.702160][ T74] addrconf_dad_work+0x10b/0xab0 [ 2399.702160][ T74] process_one_work+0x84d/0x18a0 [ 2399.702160][ T74] worker_thread+0x587/0xd30 [ 2399.702160][ T74] kthread+0x28a/0x350 [ 2399.702160][ T74] ret_from_fork+0x31/0x70 [ 2399.702160][ T74] ret_from_fork_asm+0x1a/0x30 [ 2399.702160][ T74] [ 2399.704303][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.704303][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.704303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.704303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.704303][ T74] ip6_route_add+0x1c/0x140 [ 2399.704303][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2399.704303][ T74] inet6_addr_add+0x4f8/0xa40 [ 2399.704303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.704303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.704303][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.704303][ T74] netlink_unicast+0x449/0x710 [ 2399.704303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.704303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.704303][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.704303][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.704303][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.704303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.704303][ T74] [ 2399.706558][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.706558][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.706558][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.706558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.706558][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2399.706558][ T74] ipv6_add_addr+0x411/0x2000 [ 2399.706558][ T74] inet6_addr_add+0x30e/0xa40 [ 2399.706558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.706558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.706558][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.706558][ T74] netlink_unicast+0x449/0x710 [ 2399.706558][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.706558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.706558][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.706558][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.706558][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.706558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.706558][ T74] [ 2399.708828][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.708828][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.708828][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.708828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.708828][ T74] ip6_route_add+0x1c/0x140 [ 2399.708828][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2399.708828][ T74] addrconf_add_dev+0xe2/0x170 [ 2399.708828][ T74] inet6_addr_add+0x12f/0xa40 [ 2399.708828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.708828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.708828][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.708828][ T74] netlink_unicast+0x449/0x710 [ 2399.708828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.708828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.708828][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.708828][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.708828][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.708828][ T74] [ 2399.711034][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.711034][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2399.711034][ T74] ipv6_find_idev+0x102/0x170 [ 2399.711034][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.711034][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.711034][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.711034][ T74] netlink_unicast+0x449/0x710 [ 2399.711034][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.711034][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.711034][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.711034][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.711034][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.711034][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.711034][ T74] [ 2399.712770][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2399.712770][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2399.712770][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2399.712770][ T74] ipv6_find_idev+0x102/0x170 [ 2399.712770][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.712770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.712770][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.712770][ T74] netlink_unicast+0x449/0x710 [ 2399.712770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.712770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.712770][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.712770][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.712770][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.712770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.712770][ T74] [ 2399.714664][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2399.714949][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.714949][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.714949][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.714949][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.714949][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2399.714949][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2399.714949][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2399.714949][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2399.714949][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2399.714949][ T74] addrconf_dad_begin+0x310/0x670 [ 2399.714949][ T74] addrconf_dad_work+0x10b/0xab0 [ 2399.714949][ T74] process_one_work+0x84d/0x18a0 [ 2399.714949][ T74] worker_thread+0x587/0xd30 [ 2399.714949][ T74] kthread+0x28a/0x350 [ 2399.714949][ T74] ret_from_fork+0x31/0x70 [ 2399.714949][ T74] ret_from_fork_asm+0x1a/0x30 [ 2399.714949][ T74] [ 2399.717095][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.717095][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.717095][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.717095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.717095][ T74] ip6_route_add+0x1c/0x140 [ 2399.717095][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2399.717095][ T74] inet6_addr_add+0x4f8/0xa40 [ 2399.717095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.717095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.717095][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.717095][ T74] netlink_unicast+0x449/0x710 [ 2399.717095][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.717095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.717095][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.717095][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.717095][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.717095][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.717095][ T74] [ 2399.719524][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.719524][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.719524][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.719524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.719524][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2399.719524][ T74] ipv6_add_addr+0x411/0x2000 [ 2399.719524][ T74] inet6_addr_add+0x30e/0xa40 [ 2399.719524][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.719524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.719524][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.719524][ T74] netlink_unicast+0x449/0x710 [ 2399.719524][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.719524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.719524][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.719524][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.719524][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.719524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.719524][ T74] [ 2399.722064][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.722064][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.722064][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.722064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.722064][ T74] ip6_route_add+0x1c/0x140 [ 2399.722064][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2399.722064][ T74] addrconf_add_dev+0xe2/0x170 [ 2399.722064][ T74] inet6_addr_add+0x12f/0xa40 [ 2399.722064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.722064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.722064][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.722064][ T74] netlink_unicast+0x449/0x710 [ 2399.722064][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.722064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.722064][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.722064][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.722064][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.722064][ T74] [ 2399.724507][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.724507][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2399.724507][ T74] ipv6_find_idev+0x102/0x170 [ 2399.724507][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.724507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.724507][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.724507][ T74] netlink_unicast+0x449/0x710 [ 2399.724507][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.724507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.724507][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.724507][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.724507][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.724507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.724507][ T74] [ 2399.726418][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2399.726418][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2399.726418][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2399.726418][ T74] ipv6_find_idev+0x102/0x170 [ 2399.726418][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.726418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.726418][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.726418][ T74] netlink_unicast+0x449/0x710 [ 2399.726418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.726418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.726418][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.726418][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.726418][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.726418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.726418][ T74] [ 2399.728474][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2399.728732][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.728732][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.728732][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.728732][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.728732][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2399.728732][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2399.728732][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2399.728732][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2399.728732][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2399.728732][ T74] addrconf_dad_begin+0x310/0x670 [ 2399.728732][ T74] addrconf_dad_work+0x10b/0xab0 [ 2399.728732][ T74] process_one_work+0x84d/0x18a0 [ 2399.728732][ T74] worker_thread+0x587/0xd30 [ 2399.728732][ T74] kthread+0x28a/0x350 [ 2399.728732][ T74] ret_from_fork+0x31/0x70 [ 2399.728732][ T74] ret_from_fork_asm+0x1a/0x30 [ 2399.728732][ T74] [ 2399.731191][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.731191][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.731191][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.731191][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.731191][ T74] ip6_route_add+0x1c/0x140 [ 2399.731191][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2399.731191][ T74] inet6_addr_add+0x4f8/0xa40 [ 2399.731191][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.731191][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.731191][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.731191][ T74] netlink_unicast+0x449/0x710 [ 2399.731191][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.731191][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.731191][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.731191][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.731191][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.731191][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.731191][ T74] [ 2399.733680][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.733680][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.733680][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.733680][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.733680][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2399.733680][ T74] ipv6_add_addr+0x411/0x2000 [ 2399.733680][ T74] inet6_addr_add+0x30e/0xa40 [ 2399.733680][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.733680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.733680][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.733680][ T74] netlink_unicast+0x449/0x710 [ 2399.733680][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.733680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.733680][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.733680][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.733680][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.733680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.733680][ T74] [ 2399.736176][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.736176][ T74] netdev_get_by_index+0x5e/0x80 [ 2399.736176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2399.736176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2399.736176][ T74] ip6_route_add+0x1c/0x140 [ 2399.736176][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2399.736176][ T74] addrconf_add_dev+0xe2/0x170 [ 2399.736176][ T74] inet6_addr_add+0x12f/0xa40 [ 2399.736176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2399.736176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.736176][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.736176][ T74] netlink_unicast+0x449/0x710 [ 2399.736176][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.736176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.736176][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.736176][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.736176][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.736176][ T74] [ 2399.738574][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.738574][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2399.738574][ T74] ipv6_find_idev+0x102/0x170 [ 2399.738574][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.738574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.738574][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.738574][ T74] netlink_unicast+0x449/0x710 [ 2399.738574][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.738574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.738574][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.738574][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.738574][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.738574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.738574][ T74] [ 2399.740482][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2399.740482][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2399.740482][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2399.740482][ T74] ipv6_find_idev+0x102/0x170 [ 2399.740482][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2399.740482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2399.740482][ T74] netlink_rcv_skb+0x130/0x360 [ 2399.740482][ T74] netlink_unicast+0x449/0x710 [ 2399.740482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2399.740482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2399.740482][ T74] ___sys_sendmsg+0xee/0x170 [ 2399.740482][ T74] __sys_sendmsg+0xcd/0x170 [ 2399.740482][ T74] do_syscall_64+0xc6/0x1e0 [ 2399.740482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2399.740482][ T74] [ 2400.824920][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2400.825387][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2400.825387][T16070] dst_init+0x84/0x4a0 [ 2400.825387][T16070] dst_alloc+0x97/0x150 [ 2400.825387][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.825387][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.825387][T16070] ip6_pol_route+0x56f/0x840 [ 2400.825387][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2400.825387][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2400.825387][T16070] fib6_rule_lookup+0x182/0x630 [ 2400.825387][T16070] ip6_route_output_flags+0x259/0x480 [ 2400.825387][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2400.825387][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2400.825387][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2400.825387][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2400.825387][T16070] ip6_datagram_connect+0x2c/0x50 [ 2400.825387][T16070] __sys_connect+0x217/0x2a0 [ 2400.825387][T16070] __x64_sys_connect+0x72/0xb0 [ 2400.825387][T16070] [ 2400.827693][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2400.827693][T16070] dst_init+0x84/0x4a0 [ 2400.827693][T16070] dst_alloc+0x97/0x150 [ 2400.827693][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.827693][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.827693][T16070] ip6_pol_route+0x56f/0x840 [ 2400.827693][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2400.827693][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2400.827693][T16070] fib6_rule_lookup+0x182/0x630 [ 2400.827693][T16070] ip6_route_output_flags+0x259/0x480 [ 2400.827693][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2400.827693][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2400.827693][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2400.827693][T16070] __inet_stream_connect+0x272/0x9f0 [ 2400.827693][T16070] inet_stream_connect+0x57/0xa0 [ 2400.827693][T16070] __sys_connect+0x217/0x2a0 [ 2400.827693][T16070] __x64_sys_connect+0x72/0xb0 [ 2400.827693][T16070] [ 2400.829951][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.829951][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2400.829951][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2400.829951][T16070] fib6_nh_init+0xa22/0x1580 [ 2400.829951][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.829951][T16070] ip6_route_add+0x1c/0x140 [ 2400.829951][T16070] inet6_rtm_newroute+0x104/0x110 [ 2400.829951][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.829951][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.829951][T16070] netlink_unicast+0x449/0x710 [ 2400.829951][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.829951][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.829951][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.829951][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.829951][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.829951][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.829951][T16070] [ 2400.832101][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.832101][T16070] dst_init+0x84/0x4a0 [ 2400.832101][T16070] dst_alloc+0x97/0x150 [ 2400.832101][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.832101][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.832101][T16070] ip6_pol_route+0x56f/0x840 [ 2400.832101][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2400.832101][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2400.832101][T16070] fib6_rule_lookup+0x182/0x630 [ 2400.832101][T16070] ip6_route_input+0x59c/0xa50 [ 2400.832101][T16070] ipv6_rcv+0x397/0x810 [ 2400.832101][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2400.832101][T16070] process_backlog+0x101/0x620 [ 2400.832101][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2400.832101][T16070] net_rx_action+0x495/0xbe0 [ 2400.832101][T16070] __do_softirq+0x1b5/0x7f6 [ 2400.832101][T16070] [ 2400.834179][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.834179][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.834179][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.834179][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.834179][T16070] ip6_route_add+0x1c/0x140 [ 2400.834179][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2400.834179][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2400.834179][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2400.834179][T16070] addrconf_dad_begin+0x310/0x670 [ 2400.834179][T16070] addrconf_dad_work+0x10b/0xab0 [ 2400.834179][T16070] process_one_work+0x84d/0x18a0 [ 2400.834179][T16070] worker_thread+0x587/0xd30 [ 2400.834179][T16070] kthread+0x28a/0x350 [ 2400.834179][T16070] ret_from_fork+0x31/0x70 [ 2400.834179][T16070] ret_from_fork_asm+0x1a/0x30 [ 2400.834179][T16070] [ 2400.836187][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.836187][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.836187][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.836187][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.836187][T16070] ip6_route_add+0x1c/0x140 [ 2400.836187][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2400.836187][T16070] inet6_addr_add+0x4f8/0xa40 [ 2400.836187][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.836187][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.836187][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.836187][T16070] netlink_unicast+0x449/0x710 [ 2400.836187][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.836187][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.836187][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.836187][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.836187][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.836187][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.836187][T16070] [ 2400.838431][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.838431][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.838431][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.838431][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.838431][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2400.838431][T16070] ipv6_add_addr+0x411/0x2000 [ 2400.838431][T16070] inet6_addr_add+0x30e/0xa40 [ 2400.838431][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.838431][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.838431][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.838431][T16070] netlink_unicast+0x449/0x710 [ 2400.838431][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.838431][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.838431][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.838431][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.838431][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.838431][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.838431][T16070] [ 2400.840684][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.840684][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.840684][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.840684][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.840684][T16070] ip6_route_add+0x1c/0x140 [ 2400.840684][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.840684][T16070] addrconf_add_dev+0xe2/0x170 [ 2400.840684][T16070] inet6_addr_add+0x12f/0xa40 [ 2400.840684][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.840684][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.840684][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.840684][T16070] netlink_unicast+0x449/0x710 [ 2400.840684][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.840684][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.840684][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.840684][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.840684][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.840684][T16070] [ 2400.842896][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.842896][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2400.842896][T16070] ipv6_find_idev+0x102/0x170 [ 2400.842896][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.842896][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.842896][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.842896][T16070] netlink_unicast+0x449/0x710 [ 2400.842896][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.842896][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.842896][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.842896][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.842896][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.842896][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.842896][T16070] [ 2400.844633][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2400.844633][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2400.844633][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2400.844633][T16070] ipv6_find_idev+0x102/0x170 [ 2400.844633][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.844633][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.844633][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.844633][T16070] netlink_unicast+0x449/0x710 [ 2400.844633][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.844633][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.844633][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.844633][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.844633][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.844633][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.844633][T16070] [ 2400.846527][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2400.846839][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2400.846839][T16070] dst_init+0x84/0x4a0 [ 2400.846839][T16070] dst_alloc+0x97/0x150 [ 2400.846839][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.846839][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.846839][T16070] ip6_pol_route+0x56f/0x840 [ 2400.846839][T16070] fib6_rule_lookup+0x334/0x630 [ 2400.846839][T16070] ip6_route_output_flags+0x259/0x480 [ 2400.846839][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2400.846839][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2400.846839][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2400.846839][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2400.846839][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2400.846839][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.846839][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.846839][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.846839][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.846839][T16070] [ 2400.849083][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.849083][T16070] dst_init+0x84/0x4a0 [ 2400.849083][T16070] dst_alloc+0x97/0x150 [ 2400.849083][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.849083][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.849083][T16070] ip6_pol_route+0x56f/0x840 [ 2400.849083][T16070] fib6_rule_lookup+0x334/0x630 [ 2400.849083][T16070] ip6_route_output_flags+0x259/0x480 [ 2400.849083][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2400.849083][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2400.849083][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2400.849083][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2400.849083][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2400.849083][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2400.849083][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2400.849083][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2400.849083][T16070] ip6_input_finish+0x120/0x260 [ 2400.849083][T16070] [ 2400.851384][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.851384][T16070] dst_init+0x84/0x4a0 [ 2400.851384][T16070] dst_alloc+0x97/0x150 [ 2400.851384][T16070] ip6_dst_alloc+0x23/0x90 [ 2400.851384][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2400.851384][T16070] ip6_pol_route+0x56f/0x840 [ 2400.851384][T16070] fib6_rule_lookup+0x456/0x630 [ 2400.851384][T16070] ip6_route_input+0x59c/0xa50 [ 2400.851384][T16070] ipv6_rcv+0x397/0x810 [ 2400.851384][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2400.851384][T16070] process_backlog+0x101/0x620 [ 2400.851384][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2400.851384][T16070] net_rx_action+0x495/0xbe0 [ 2400.851384][T16070] __do_softirq+0x1b5/0x7f6 [ 2400.851384][T16070] [ 2400.853214][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.853214][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.853214][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.853214][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.853214][T16070] ip6_route_add+0x1c/0x140 [ 2400.853214][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2400.853214][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2400.853214][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2400.853214][T16070] addrconf_dad_begin+0x310/0x670 [ 2400.853214][T16070] addrconf_dad_work+0x10b/0xab0 [ 2400.853214][T16070] process_one_work+0x84d/0x18a0 [ 2400.853214][T16070] worker_thread+0x587/0xd30 [ 2400.853214][T16070] kthread+0x28a/0x350 [ 2400.853214][T16070] ret_from_fork+0x31/0x70 [ 2400.853214][T16070] ret_from_fork_asm+0x1a/0x30 [ 2400.853214][T16070] [ 2400.855465][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.855465][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.855465][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.855465][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.855465][T16070] ip6_route_add+0x1c/0x140 [ 2400.855465][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2400.855465][T16070] inet6_addr_add+0x4f8/0xa40 [ 2400.855465][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.855465][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.855465][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.855465][T16070] netlink_unicast+0x449/0x710 [ 2400.855465][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.855465][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.855465][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.855465][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.855465][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.855465][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.855465][T16070] [ 2400.858015][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.858015][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.858015][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.858015][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.858015][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2400.858015][T16070] ipv6_add_addr+0x411/0x2000 [ 2400.858015][T16070] inet6_addr_add+0x30e/0xa40 [ 2400.858015][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.858015][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.858015][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.858015][T16070] netlink_unicast+0x449/0x710 [ 2400.858015][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.858015][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.858015][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.858015][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.858015][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.858015][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.858015][T16070] [ 2400.860562][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.860562][T16070] netdev_get_by_index+0x5e/0x80 [ 2400.860562][T16070] fib6_nh_init+0x3d8/0x1580 [ 2400.860562][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2400.860562][T16070] ip6_route_add+0x1c/0x140 [ 2400.860562][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2400.860562][T16070] addrconf_add_dev+0xe2/0x170 [ 2400.860562][T16070] inet6_addr_add+0x12f/0xa40 [ 2400.860562][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2400.860562][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.860562][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.860562][T16070] netlink_unicast+0x449/0x710 [ 2400.860562][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.860562][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.860562][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.860562][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.860562][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.860562][T16070] [ 2400.863094][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.863094][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2400.863094][T16070] ipv6_find_idev+0x102/0x170 [ 2400.863094][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.863094][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.863094][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.863094][T16070] netlink_unicast+0x449/0x710 [ 2400.863094][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.863094][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.863094][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.863094][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.863094][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.863094][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.863094][T16070] [ 2400.865135][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2400.865135][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2400.865135][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2400.865135][T16070] ipv6_find_idev+0x102/0x170 [ 2400.865135][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2400.865135][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2400.865135][T16070] netlink_rcv_skb+0x130/0x360 [ 2400.865135][T16070] netlink_unicast+0x449/0x710 [ 2400.865135][T16070] netlink_sendmsg+0x723/0xbe0 [ 2400.865135][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2400.865135][T16070] ___sys_sendmsg+0xee/0x170 [ 2400.865135][T16070] __sys_sendmsg+0xcd/0x170 [ 2400.865135][T16070] do_syscall_64+0xc6/0x1e0 [ 2400.865135][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2400.865135][T16070] [ 2409.992925][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2409.993395][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2409.993395][ T74] netdev_get_by_index+0x5e/0x80 [ 2409.993395][ T74] fib6_nh_init+0x3d8/0x1580 [ 2409.993395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2409.993395][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2409.993395][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2409.993395][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2409.993395][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2409.993395][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2409.993395][ T74] addrconf_dad_begin+0x310/0x670 [ 2409.993395][ T74] addrconf_dad_work+0x10b/0xab0 [ 2409.993395][ T74] process_one_work+0x84d/0x18a0 [ 2409.993395][ T74] worker_thread+0x587/0xd30 [ 2409.993395][ T74] kthread+0x28a/0x350 [ 2409.993395][ T74] ret_from_fork+0x31/0x70 [ 2409.993395][ T74] ret_from_fork_asm+0x1a/0x30 [ 2409.993395][ T74] [ 2409.996104][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2409.996104][ T74] netdev_get_by_index+0x5e/0x80 [ 2409.996104][ T74] fib6_nh_init+0x3d8/0x1580 [ 2409.996104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2409.996104][ T74] ip6_route_add+0x1c/0x140 [ 2409.996104][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2409.996104][ T74] inet6_addr_add+0x4f8/0xa40 [ 2409.996104][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2409.996104][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.996104][ T74] netlink_rcv_skb+0x130/0x360 [ 2409.996104][ T74] netlink_unicast+0x449/0x710 [ 2409.996104][ T74] netlink_sendmsg+0x723/0xbe0 [ 2409.996104][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2409.996104][ T74] ___sys_sendmsg+0xee/0x170 [ 2409.996104][ T74] __sys_sendmsg+0xcd/0x170 [ 2409.996104][ T74] do_syscall_64+0xc6/0x1e0 [ 2409.996104][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.996104][ T74] [ 2409.998362][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2409.998362][ T74] netdev_get_by_index+0x5e/0x80 [ 2409.998362][ T74] fib6_nh_init+0x3d8/0x1580 [ 2409.998362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2409.998362][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2409.998362][ T74] ipv6_add_addr+0x411/0x2000 [ 2409.998362][ T74] inet6_addr_add+0x30e/0xa40 [ 2409.998362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2409.998362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2409.998362][ T74] netlink_rcv_skb+0x130/0x360 [ 2409.998362][ T74] netlink_unicast+0x449/0x710 [ 2409.998362][ T74] netlink_sendmsg+0x723/0xbe0 [ 2409.998362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2409.998362][ T74] ___sys_sendmsg+0xee/0x170 [ 2409.998362][ T74] __sys_sendmsg+0xcd/0x170 [ 2409.998362][ T74] do_syscall_64+0xc6/0x1e0 [ 2409.998362][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2409.998362][ T74] [ 2410.000599][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2410.000599][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.000599][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.000599][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.000599][ T74] ip6_route_add+0x1c/0x140 [ 2410.000599][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.000599][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.000599][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.000599][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.000599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.000599][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.000599][ T74] netlink_unicast+0x449/0x710 [ 2410.000599][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.000599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.000599][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.000599][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.000599][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.000599][ T74] [ 2410.002794][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2410.002794][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.002794][ T74] ipv6_find_idev+0x102/0x170 [ 2410.002794][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.002794][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.002794][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.002794][ T74] netlink_unicast+0x449/0x710 [ 2410.002794][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.002794][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.002794][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.002794][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.002794][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.002794][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.002794][ T74] [ 2410.004510][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2410.004510][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.004510][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.004510][ T74] ipv6_find_idev+0x102/0x170 [ 2410.004510][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.004510][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.004510][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.004510][ T74] netlink_unicast+0x449/0x710 [ 2410.004510][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.004510][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.004510][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.004510][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.004510][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.004510][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.004510][ T74] [ 2410.006396][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2410.006659][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.006659][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.006659][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.006659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.006659][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2410.006659][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2410.006659][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2410.006659][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2410.006659][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2410.006659][ T74] addrconf_dad_begin+0x310/0x670 [ 2410.006659][ T74] addrconf_dad_work+0x10b/0xab0 [ 2410.006659][ T74] process_one_work+0x84d/0x18a0 [ 2410.006659][ T74] worker_thread+0x587/0xd30 [ 2410.006659][ T74] kthread+0x28a/0x350 [ 2410.006659][ T74] ret_from_fork+0x31/0x70 [ 2410.006659][ T74] ret_from_fork_asm+0x1a/0x30 [ 2410.006659][ T74] [ 2410.008791][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.008791][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.008791][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.008791][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.008791][ T74] ip6_route_add+0x1c/0x140 [ 2410.008791][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.008791][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.008791][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.008791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.008791][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.008791][ T74] netlink_unicast+0x449/0x710 [ 2410.008791][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.008791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.008791][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.008791][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.008791][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.008791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.008791][ T74] [ 2410.011021][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.011021][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.011021][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.011021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.011021][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.011021][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.011021][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.011021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.011021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.011021][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.011021][ T74] netlink_unicast+0x449/0x710 [ 2410.011021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.011021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.011021][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.011021][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.011021][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.011021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.011021][ T74] [ 2410.013239][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.013239][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.013239][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.013239][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.013239][ T74] ip6_route_add+0x1c/0x140 [ 2410.013239][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.013239][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.013239][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.013239][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.013239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.013239][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.013239][ T74] netlink_unicast+0x449/0x710 [ 2410.013239][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.013239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.013239][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.013239][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.013239][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.013239][ T74] [ 2410.015815][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.015815][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.015815][ T74] ipv6_find_idev+0x102/0x170 [ 2410.015815][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.015815][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.015815][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.015815][ T74] netlink_unicast+0x449/0x710 [ 2410.015815][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.015815][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.015815][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.015815][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.015815][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.015815][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.015815][ T74] [ 2410.017539][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2410.017539][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.017539][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.017539][ T74] ipv6_find_idev+0x102/0x170 [ 2410.017539][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.017539][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.017539][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.017539][ T74] netlink_unicast+0x449/0x710 [ 2410.017539][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.017539][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.017539][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.017539][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.017539][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.017539][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.017539][ T74] [ 2410.019414][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2410.019676][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.019676][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.019676][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.019676][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.019676][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2410.019676][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2410.019676][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2410.019676][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2410.019676][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2410.019676][ T74] addrconf_dad_begin+0x310/0x670 [ 2410.019676][ T74] addrconf_dad_work+0x10b/0xab0 [ 2410.019676][ T74] process_one_work+0x84d/0x18a0 [ 2410.019676][ T74] worker_thread+0x587/0xd30 [ 2410.019676][ T74] kthread+0x28a/0x350 [ 2410.019676][ T74] ret_from_fork+0x31/0x70 [ 2410.019676][ T74] ret_from_fork_asm+0x1a/0x30 [ 2410.019676][ T74] [ 2410.021818][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.021818][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.021818][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.021818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.021818][ T74] ip6_route_add+0x1c/0x140 [ 2410.021818][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.021818][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.021818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.021818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.021818][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.021818][ T74] netlink_unicast+0x449/0x710 [ 2410.021818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.021818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.021818][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.021818][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.021818][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.021818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.021818][ T74] [ 2410.024228][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.024228][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.024228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.024228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.024228][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.024228][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.024228][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.024228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.024228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.024228][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.024228][ T74] netlink_unicast+0x449/0x710 [ 2410.024228][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.024228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.024228][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.024228][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.024228][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.024228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.024228][ T74] [ 2410.026765][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.026765][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.026765][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.026765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.026765][ T74] ip6_route_add+0x1c/0x140 [ 2410.026765][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.026765][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.026765][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.026765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.026765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.026765][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.026765][ T74] netlink_unicast+0x449/0x710 [ 2410.026765][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.026765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.026765][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.026765][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.026765][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.026765][ T74] [ 2410.029206][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.029206][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.029206][ T74] ipv6_find_idev+0x102/0x170 [ 2410.029206][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.029206][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.029206][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.029206][ T74] netlink_unicast+0x449/0x710 [ 2410.029206][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.029206][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.029206][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.029206][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.029206][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.029206][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.029206][ T74] [ 2410.031115][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2410.031115][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.031115][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.031115][ T74] ipv6_find_idev+0x102/0x170 [ 2410.031115][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.031115][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.031115][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.031115][ T74] netlink_unicast+0x449/0x710 [ 2410.031115][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.031115][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.031115][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.031115][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.031115][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.031115][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.031115][ T74] [ 2410.033194][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2410.033451][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.033451][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.033451][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.033451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.033451][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2410.033451][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2410.033451][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2410.033451][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2410.033451][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2410.033451][ T74] addrconf_dad_begin+0x310/0x670 [ 2410.033451][ T74] addrconf_dad_work+0x10b/0xab0 [ 2410.033451][ T74] process_one_work+0x84d/0x18a0 [ 2410.033451][ T74] worker_thread+0x587/0xd30 [ 2410.033451][ T74] kthread+0x28a/0x350 [ 2410.033451][ T74] ret_from_fork+0x31/0x70 [ 2410.033451][ T74] ret_from_fork_asm+0x1a/0x30 [ 2410.033451][ T74] [ 2410.035759][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.035759][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.035759][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.035759][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.035759][ T74] ip6_route_add+0x1c/0x140 [ 2410.035759][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2410.035759][ T74] inet6_addr_add+0x4f8/0xa40 [ 2410.035759][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.035759][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.035759][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.035759][ T74] netlink_unicast+0x449/0x710 [ 2410.035759][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.035759][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.035759][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.035759][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.035759][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.035759][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.035759][ T74] [ 2410.038301][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.038301][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.038301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.038301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.038301][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2410.038301][ T74] ipv6_add_addr+0x411/0x2000 [ 2410.038301][ T74] inet6_addr_add+0x30e/0xa40 [ 2410.038301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.038301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.038301][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.038301][ T74] netlink_unicast+0x449/0x710 [ 2410.038301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.038301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.038301][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.038301][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.038301][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.038301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.038301][ T74] [ 2410.040783][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.040783][ T74] netdev_get_by_index+0x5e/0x80 [ 2410.040783][ T74] fib6_nh_init+0x3d8/0x1580 [ 2410.040783][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2410.040783][ T74] ip6_route_add+0x1c/0x140 [ 2410.040783][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2410.040783][ T74] addrconf_add_dev+0xe2/0x170 [ 2410.040783][ T74] inet6_addr_add+0x12f/0xa40 [ 2410.040783][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2410.040783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.040783][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.040783][ T74] netlink_unicast+0x449/0x710 [ 2410.040783][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.040783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.040783][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.040783][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.040783][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.040783][ T74] [ 2410.043167][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.043167][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2410.043167][ T74] ipv6_find_idev+0x102/0x170 [ 2410.043167][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.043167][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.043167][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.043167][ T74] netlink_unicast+0x449/0x710 [ 2410.043167][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.043167][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.043167][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.043167][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.043167][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.043167][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.043167][ T74] [ 2410.045028][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2410.045028][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2410.045028][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2410.045028][ T74] ipv6_find_idev+0x102/0x170 [ 2410.045028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2410.045028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2410.045028][ T74] netlink_rcv_skb+0x130/0x360 [ 2410.045028][ T74] netlink_unicast+0x449/0x710 [ 2410.045028][ T74] netlink_sendmsg+0x723/0xbe0 [ 2410.045028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2410.045028][ T74] ___sys_sendmsg+0xee/0x170 [ 2410.045028][ T74] __sys_sendmsg+0xcd/0x170 [ 2410.045028][ T74] do_syscall_64+0xc6/0x1e0 [ 2410.045028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2410.045028][ T74] [ 2411.104918][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2411.105389][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2411.105389][T16070] dst_init+0x84/0x4a0 [ 2411.105389][T16070] dst_alloc+0x97/0x150 [ 2411.105389][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.105389][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.105389][T16070] ip6_pol_route+0x56f/0x840 [ 2411.105389][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2411.105389][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2411.105389][T16070] fib6_rule_lookup+0x182/0x630 [ 2411.105389][T16070] ip6_route_output_flags+0x259/0x480 [ 2411.105389][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2411.105389][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2411.105389][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2411.105389][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2411.105389][T16070] ip6_datagram_connect+0x2c/0x50 [ 2411.105389][T16070] __sys_connect+0x217/0x2a0 [ 2411.105389][T16070] __x64_sys_connect+0x72/0xb0 [ 2411.105389][T16070] [ 2411.107697][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2411.107697][T16070] dst_init+0x84/0x4a0 [ 2411.107697][T16070] dst_alloc+0x97/0x150 [ 2411.107697][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.107697][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.107697][T16070] ip6_pol_route+0x56f/0x840 [ 2411.107697][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2411.107697][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2411.107697][T16070] fib6_rule_lookup+0x182/0x630 [ 2411.107697][T16070] ip6_route_output_flags+0x259/0x480 [ 2411.107697][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2411.107697][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2411.107697][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2411.107697][T16070] __inet_stream_connect+0x272/0x9f0 [ 2411.107697][T16070] inet_stream_connect+0x57/0xa0 [ 2411.107697][T16070] __sys_connect+0x217/0x2a0 [ 2411.107697][T16070] __x64_sys_connect+0x72/0xb0 [ 2411.107697][T16070] [ 2411.109955][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.109955][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2411.109955][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2411.109955][T16070] fib6_nh_init+0xa22/0x1580 [ 2411.109955][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.109955][T16070] ip6_route_add+0x1c/0x140 [ 2411.109955][T16070] inet6_rtm_newroute+0x104/0x110 [ 2411.109955][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.109955][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.109955][T16070] netlink_unicast+0x449/0x710 [ 2411.109955][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.109955][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.109955][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.109955][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.109955][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.109955][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.109955][T16070] [ 2411.112073][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.112073][T16070] dst_init+0x84/0x4a0 [ 2411.112073][T16070] dst_alloc+0x97/0x150 [ 2411.112073][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.112073][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.112073][T16070] ip6_pol_route+0x56f/0x840 [ 2411.112073][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2411.112073][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2411.112073][T16070] fib6_rule_lookup+0x182/0x630 [ 2411.112073][T16070] ip6_route_input+0x59c/0xa50 [ 2411.112073][T16070] ipv6_rcv+0x397/0x810 [ 2411.112073][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.112073][T16070] process_backlog+0x101/0x620 [ 2411.112073][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2411.112073][T16070] net_rx_action+0x495/0xbe0 [ 2411.112073][T16070] __do_softirq+0x1b5/0x7f6 [ 2411.112073][T16070] [ 2411.114170][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.114170][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.114170][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.114170][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.114170][T16070] ip6_route_add+0x1c/0x140 [ 2411.114170][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2411.114170][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2411.114170][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2411.114170][T16070] addrconf_dad_begin+0x310/0x670 [ 2411.114170][T16070] addrconf_dad_work+0x10b/0xab0 [ 2411.114170][T16070] process_one_work+0x84d/0x18a0 [ 2411.114170][T16070] worker_thread+0x587/0xd30 [ 2411.114170][T16070] kthread+0x28a/0x350 [ 2411.114170][T16070] ret_from_fork+0x31/0x70 [ 2411.114170][T16070] ret_from_fork_asm+0x1a/0x30 [ 2411.114170][T16070] [ 2411.116173][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.116173][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.116173][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.116173][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.116173][T16070] ip6_route_add+0x1c/0x140 [ 2411.116173][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2411.116173][T16070] inet6_addr_add+0x4f8/0xa40 [ 2411.116173][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.116173][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.116173][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.116173][T16070] netlink_unicast+0x449/0x710 [ 2411.116173][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.116173][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.116173][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.116173][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.116173][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.116173][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.116173][T16070] [ 2411.118437][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.118437][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.118437][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.118437][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.118437][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2411.118437][T16070] ipv6_add_addr+0x411/0x2000 [ 2411.118437][T16070] inet6_addr_add+0x30e/0xa40 [ 2411.118437][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.118437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.118437][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.118437][T16070] netlink_unicast+0x449/0x710 [ 2411.118437][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.118437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.118437][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.118437][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.118437][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.118437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.118437][T16070] [ 2411.120693][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.120693][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.120693][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.120693][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.120693][T16070] ip6_route_add+0x1c/0x140 [ 2411.120693][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.120693][T16070] addrconf_add_dev+0xe2/0x170 [ 2411.120693][T16070] inet6_addr_add+0x12f/0xa40 [ 2411.120693][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.120693][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.120693][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.120693][T16070] netlink_unicast+0x449/0x710 [ 2411.120693][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.120693][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.120693][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.120693][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.120693][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.120693][T16070] [ 2411.123287][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.123287][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2411.123287][T16070] ipv6_find_idev+0x102/0x170 [ 2411.123287][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.123287][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.123287][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.123287][T16070] netlink_unicast+0x449/0x710 [ 2411.123287][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.123287][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.123287][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.123287][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.123287][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.123287][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.123287][T16070] [ 2411.125017][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2411.125017][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2411.125017][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2411.125017][T16070] ipv6_find_idev+0x102/0x170 [ 2411.125017][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.125017][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.125017][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.125017][T16070] netlink_unicast+0x449/0x710 [ 2411.125017][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.125017][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.125017][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.125017][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.125017][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.125017][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.125017][T16070] [ 2411.126913][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2411.127216][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2411.127216][T16070] dst_init+0x84/0x4a0 [ 2411.127216][T16070] dst_alloc+0x97/0x150 [ 2411.127216][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.127216][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.127216][T16070] ip6_pol_route+0x56f/0x840 [ 2411.127216][T16070] fib6_rule_lookup+0x334/0x630 [ 2411.127216][T16070] ip6_route_output_flags+0x259/0x480 [ 2411.127216][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2411.127216][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2411.127216][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2411.127216][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2411.127216][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2411.127216][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.127216][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.127216][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.127216][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.127216][T16070] [ 2411.129477][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.129477][T16070] dst_init+0x84/0x4a0 [ 2411.129477][T16070] dst_alloc+0x97/0x150 [ 2411.129477][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.129477][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.129477][T16070] ip6_pol_route+0x56f/0x840 [ 2411.129477][T16070] fib6_rule_lookup+0x334/0x630 [ 2411.129477][T16070] ip6_route_output_flags+0x259/0x480 [ 2411.129477][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2411.129477][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2411.129477][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2411.129477][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2411.129477][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2411.129477][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2411.129477][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2411.129477][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2411.129477][T16070] ip6_input_finish+0x120/0x260 [ 2411.129477][T16070] [ 2411.131782][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.131782][T16070] dst_init+0x84/0x4a0 [ 2411.131782][T16070] dst_alloc+0x97/0x150 [ 2411.131782][T16070] ip6_dst_alloc+0x23/0x90 [ 2411.131782][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2411.131782][T16070] ip6_pol_route+0x56f/0x840 [ 2411.131782][T16070] fib6_rule_lookup+0x456/0x630 [ 2411.131782][T16070] ip6_route_input+0x59c/0xa50 [ 2411.131782][T16070] ipv6_rcv+0x397/0x810 [ 2411.131782][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2411.131782][T16070] process_backlog+0x101/0x620 [ 2411.131782][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2411.131782][T16070] net_rx_action+0x495/0xbe0 [ 2411.131782][T16070] __do_softirq+0x1b5/0x7f6 [ 2411.131782][T16070] [ 2411.133655][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.133655][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.133655][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.133655][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.133655][T16070] ip6_route_add+0x1c/0x140 [ 2411.133655][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2411.133655][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2411.133655][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2411.133655][T16070] addrconf_dad_begin+0x310/0x670 [ 2411.133655][T16070] addrconf_dad_work+0x10b/0xab0 [ 2411.133655][T16070] process_one_work+0x84d/0x18a0 [ 2411.133655][T16070] worker_thread+0x587/0xd30 [ 2411.133655][T16070] kthread+0x28a/0x350 [ 2411.133655][T16070] ret_from_fork+0x31/0x70 [ 2411.133655][T16070] ret_from_fork_asm+0x1a/0x30 [ 2411.133655][T16070] [ 2411.135854][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.135854][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.135854][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.135854][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.135854][T16070] ip6_route_add+0x1c/0x140 [ 2411.135854][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2411.135854][T16070] inet6_addr_add+0x4f8/0xa40 [ 2411.135854][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.135854][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.135854][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.135854][T16070] netlink_unicast+0x449/0x710 [ 2411.135854][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.135854][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.135854][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.135854][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.135854][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.135854][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.135854][T16070] [ 2411.138309][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.138309][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.138309][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.138309][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.138309][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2411.138309][T16070] ipv6_add_addr+0x411/0x2000 [ 2411.138309][T16070] inet6_addr_add+0x30e/0xa40 [ 2411.138309][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.138309][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.138309][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.138309][T16070] netlink_unicast+0x449/0x710 [ 2411.138309][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.138309][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.138309][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.138309][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.138309][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.138309][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.138309][T16070] [ 2411.140774][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.140774][T16070] netdev_get_by_index+0x5e/0x80 [ 2411.140774][T16070] fib6_nh_init+0x3d8/0x1580 [ 2411.140774][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2411.140774][T16070] ip6_route_add+0x1c/0x140 [ 2411.140774][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2411.140774][T16070] addrconf_add_dev+0xe2/0x170 [ 2411.140774][T16070] inet6_addr_add+0x12f/0xa40 [ 2411.140774][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2411.140774][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.140774][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.140774][T16070] netlink_unicast+0x449/0x710 [ 2411.140774][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.140774][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.140774][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.140774][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.140774][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.140774][T16070] [ 2411.143708][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.143708][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2411.143708][T16070] ipv6_find_idev+0x102/0x170 [ 2411.143708][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.143708][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.143708][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.143708][T16070] netlink_unicast+0x449/0x710 [ 2411.143708][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.143708][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.143708][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.143708][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.143708][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.143708][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.143708][T16070] [ 2411.145642][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2411.145642][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2411.145642][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2411.145642][T16070] ipv6_find_idev+0x102/0x170 [ 2411.145642][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2411.145642][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2411.145642][T16070] netlink_rcv_skb+0x130/0x360 [ 2411.145642][T16070] netlink_unicast+0x449/0x710 [ 2411.145642][T16070] netlink_sendmsg+0x723/0xbe0 [ 2411.145642][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2411.145642][T16070] ___sys_sendmsg+0xee/0x170 [ 2411.145642][T16070] __sys_sendmsg+0xcd/0x170 [ 2411.145642][T16070] do_syscall_64+0xc6/0x1e0 [ 2411.145642][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2411.145642][T16070] [ 2420.297009][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2420.297449][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.297449][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.297449][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.297449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.297449][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.297449][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.297449][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.297449][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.297449][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.297449][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.297449][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.297449][ T74] process_one_work+0x84d/0x18a0 [ 2420.297449][ T74] worker_thread+0x587/0xd30 [ 2420.297449][ T74] kthread+0x28a/0x350 [ 2420.297449][ T74] ret_from_fork+0x31/0x70 [ 2420.297449][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.297449][ T74] [ 2420.299417][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.299417][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.299417][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.299417][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.299417][ T74] ip6_route_add+0x1c/0x140 [ 2420.299417][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.299417][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.299417][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.299417][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.299417][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.299417][ T74] netlink_unicast+0x449/0x710 [ 2420.299417][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.299417][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.299417][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.299417][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.299417][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.299417][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.299417][ T74] [ 2420.301456][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.301456][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.301456][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.301456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.301456][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.301456][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.301456][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.301456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.301456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.301456][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.301456][ T74] netlink_unicast+0x449/0x710 [ 2420.301456][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.301456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.301456][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.301456][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.301456][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.301456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.301456][ T74] [ 2420.303467][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.303467][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.303467][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.303467][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.303467][ T74] ip6_route_add+0x1c/0x140 [ 2420.303467][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.303467][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.303467][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.303467][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.303467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.303467][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.303467][ T74] netlink_unicast+0x449/0x710 [ 2420.303467][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.303467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.303467][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.303467][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.303467][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.303467][ T74] [ 2420.305452][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.305452][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.305452][ T74] ipv6_find_idev+0x102/0x170 [ 2420.305452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.305452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.305452][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.305452][ T74] netlink_unicast+0x449/0x710 [ 2420.305452][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.305452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.305452][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.305452][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.305452][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.305452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.305452][ T74] [ 2420.307013][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2420.307013][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.307013][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.307013][ T74] ipv6_find_idev+0x102/0x170 [ 2420.307013][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.307013][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.307013][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.307013][ T74] netlink_unicast+0x449/0x710 [ 2420.307013][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.307013][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.307013][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.307013][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.307013][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.307013][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.307013][ T74] [ 2420.308746][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2420.309010][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.309010][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.309010][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.309010][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.309010][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.309010][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.309010][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.309010][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.309010][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.309010][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.309010][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.309010][ T74] process_one_work+0x84d/0x18a0 [ 2420.309010][ T74] worker_thread+0x587/0xd30 [ 2420.309010][ T74] kthread+0x28a/0x350 [ 2420.309010][ T74] ret_from_fork+0x31/0x70 [ 2420.309010][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.309010][ T74] [ 2420.310945][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.310945][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.310945][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.310945][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.310945][ T74] ip6_route_add+0x1c/0x140 [ 2420.310945][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.310945][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.310945][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.310945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.310945][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.310945][ T74] netlink_unicast+0x449/0x710 [ 2420.310945][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.310945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.310945][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.310945][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.310945][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.310945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.310945][ T74] [ 2420.312959][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.312959][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.312959][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.312959][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.312959][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.312959][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.312959][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.312959][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.312959][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.312959][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.312959][ T74] netlink_unicast+0x449/0x710 [ 2420.312959][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.312959][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.312959][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.312959][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.312959][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.312959][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.312959][ T74] [ 2420.314969][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.314969][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.314969][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.314969][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.314969][ T74] ip6_route_add+0x1c/0x140 [ 2420.314969][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.314969][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.314969][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.314969][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.314969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.314969][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.314969][ T74] netlink_unicast+0x449/0x710 [ 2420.314969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.314969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.314969][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.314969][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.314969][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.314969][ T74] [ 2420.316958][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.316958][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.316958][ T74] ipv6_find_idev+0x102/0x170 [ 2420.316958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.316958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.316958][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.316958][ T74] netlink_unicast+0x449/0x710 [ 2420.316958][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.316958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.316958][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.316958][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.316958][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.316958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.316958][ T74] [ 2420.318528][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2420.318528][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.318528][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.318528][ T74] ipv6_find_idev+0x102/0x170 [ 2420.318528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.318528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.318528][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.318528][ T74] netlink_unicast+0x449/0x710 [ 2420.318528][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.318528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.318528][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.318528][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.318528][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.318528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.318528][ T74] [ 2420.320253][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2420.320504][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.320504][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.320504][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.320504][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.320504][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.320504][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.320504][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.320504][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.320504][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.320504][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.320504][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.320504][ T74] process_one_work+0x84d/0x18a0 [ 2420.320504][ T74] worker_thread+0x587/0xd30 [ 2420.320504][ T74] kthread+0x28a/0x350 [ 2420.320504][ T74] ret_from_fork+0x31/0x70 [ 2420.320504][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.320504][ T74] [ 2420.322432][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.322432][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.322432][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.322432][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.322432][ T74] ip6_route_add+0x1c/0x140 [ 2420.322432][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.322432][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.322432][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.322432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.322432][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.322432][ T74] netlink_unicast+0x449/0x710 [ 2420.322432][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.322432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.322432][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.322432][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.322432][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.322432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.322432][ T74] [ 2420.325128][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.325128][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.325128][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.325128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.325128][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.325128][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.325128][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.325128][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.325128][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.325128][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.325128][ T74] netlink_unicast+0x449/0x710 [ 2420.325128][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.325128][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.325128][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.325128][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.325128][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.325128][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.325128][ T74] [ 2420.327329][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.327329][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.327329][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.327329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.327329][ T74] ip6_route_add+0x1c/0x140 [ 2420.327329][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.327329][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.327329][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.327329][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.327329][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.327329][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.327329][ T74] netlink_unicast+0x449/0x710 [ 2420.327329][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.327329][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.327329][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.327329][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.327329][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.327329][ T74] [ 2420.329548][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.329548][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.329548][ T74] ipv6_find_idev+0x102/0x170 [ 2420.329548][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.329548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.329548][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.329548][ T74] netlink_unicast+0x449/0x710 [ 2420.329548][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.329548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.329548][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.329548][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.329548][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.329548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.329548][ T74] [ 2420.331284][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2420.331284][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.331284][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.331284][ T74] ipv6_find_idev+0x102/0x170 [ 2420.331284][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.331284][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.331284][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.331284][ T74] netlink_unicast+0x449/0x710 [ 2420.331284][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.331284][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.331284][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.331284][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.331284][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.331284][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.331284][ T74] [ 2420.333229][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2420.333469][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.333469][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.333469][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.333469][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.333469][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2420.333469][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2420.333469][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2420.333469][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2420.333469][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2420.333469][ T74] addrconf_dad_begin+0x310/0x670 [ 2420.333469][ T74] addrconf_dad_work+0x10b/0xab0 [ 2420.333469][ T74] process_one_work+0x84d/0x18a0 [ 2420.333469][ T74] worker_thread+0x587/0xd30 [ 2420.333469][ T74] kthread+0x28a/0x350 [ 2420.333469][ T74] ret_from_fork+0x31/0x70 [ 2420.333469][ T74] ret_from_fork_asm+0x1a/0x30 [ 2420.333469][ T74] [ 2420.335641][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.335641][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.335641][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.335641][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.335641][ T74] ip6_route_add+0x1c/0x140 [ 2420.335641][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2420.335641][ T74] inet6_addr_add+0x4f8/0xa40 [ 2420.335641][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.335641][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.335641][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.335641][ T74] netlink_unicast+0x449/0x710 [ 2420.335641][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.335641][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.335641][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.335641][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.335641][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.335641][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.335641][ T74] [ 2420.337894][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.337894][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.337894][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.337894][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.337894][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2420.337894][ T74] ipv6_add_addr+0x411/0x2000 [ 2420.337894][ T74] inet6_addr_add+0x30e/0xa40 [ 2420.337894][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.337894][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.337894][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.337894][ T74] netlink_unicast+0x449/0x710 [ 2420.337894][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.337894][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.337894][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.337894][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.337894][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.337894][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.337894][ T74] [ 2420.340150][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.340150][ T74] netdev_get_by_index+0x5e/0x80 [ 2420.340150][ T74] fib6_nh_init+0x3d8/0x1580 [ 2420.340150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2420.340150][ T74] ip6_route_add+0x1c/0x140 [ 2420.340150][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2420.340150][ T74] addrconf_add_dev+0xe2/0x170 [ 2420.340150][ T74] inet6_addr_add+0x12f/0xa40 [ 2420.340150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2420.340150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.340150][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.340150][ T74] netlink_unicast+0x449/0x710 [ 2420.340150][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.340150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.340150][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.340150][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.340150][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.340150][ T74] [ 2420.342384][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.342384][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2420.342384][ T74] ipv6_find_idev+0x102/0x170 [ 2420.342384][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.342384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.342384][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.342384][ T74] netlink_unicast+0x449/0x710 [ 2420.342384][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.342384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.342384][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.342384][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.342384][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.342384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.342384][ T74] [ 2420.344179][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2420.344179][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2420.344179][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2420.344179][ T74] ipv6_find_idev+0x102/0x170 [ 2420.344179][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2420.344179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2420.344179][ T74] netlink_rcv_skb+0x130/0x360 [ 2420.344179][ T74] netlink_unicast+0x449/0x710 [ 2420.344179][ T74] netlink_sendmsg+0x723/0xbe0 [ 2420.344179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2420.344179][ T74] ___sys_sendmsg+0xee/0x170 [ 2420.344179][ T74] __sys_sendmsg+0xcd/0x170 [ 2420.344179][ T74] do_syscall_64+0xc6/0x1e0 [ 2420.344179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2420.344179][ T74] [ 2421.384922][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2421.385357][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2421.385357][T16070] dst_init+0x84/0x4a0 [ 2421.385357][T16070] dst_alloc+0x97/0x150 [ 2421.385357][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.385357][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.385357][T16070] ip6_pol_route+0x56f/0x840 [ 2421.385357][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2421.385357][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2421.385357][T16070] fib6_rule_lookup+0x182/0x630 [ 2421.385357][T16070] ip6_route_output_flags+0x259/0x480 [ 2421.385357][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2421.385357][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2421.385357][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2421.385357][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2421.385357][T16070] ip6_datagram_connect+0x2c/0x50 [ 2421.385357][T16070] __sys_connect+0x217/0x2a0 [ 2421.385357][T16070] __x64_sys_connect+0x72/0xb0 [ 2421.385357][T16070] [ 2421.387666][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2421.387666][T16070] dst_init+0x84/0x4a0 [ 2421.387666][T16070] dst_alloc+0x97/0x150 [ 2421.387666][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.387666][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.387666][T16070] ip6_pol_route+0x56f/0x840 [ 2421.387666][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2421.387666][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2421.387666][T16070] fib6_rule_lookup+0x182/0x630 [ 2421.387666][T16070] ip6_route_output_flags+0x259/0x480 [ 2421.387666][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2421.387666][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2421.387666][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2421.387666][T16070] __inet_stream_connect+0x272/0x9f0 [ 2421.387666][T16070] inet_stream_connect+0x57/0xa0 [ 2421.387666][T16070] __sys_connect+0x217/0x2a0 [ 2421.387666][T16070] __x64_sys_connect+0x72/0xb0 [ 2421.387666][T16070] [ 2421.389910][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.389910][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2421.389910][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2421.389910][T16070] fib6_nh_init+0xa22/0x1580 [ 2421.389910][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.389910][T16070] ip6_route_add+0x1c/0x140 [ 2421.389910][T16070] inet6_rtm_newroute+0x104/0x110 [ 2421.389910][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.389910][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.389910][T16070] netlink_unicast+0x449/0x710 [ 2421.389910][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.389910][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.389910][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.389910][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.389910][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.389910][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.389910][T16070] [ 2421.392037][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.392037][T16070] dst_init+0x84/0x4a0 [ 2421.392037][T16070] dst_alloc+0x97/0x150 [ 2421.392037][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.392037][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.392037][T16070] ip6_pol_route+0x56f/0x840 [ 2421.392037][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2421.392037][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2421.392037][T16070] fib6_rule_lookup+0x182/0x630 [ 2421.392037][T16070] ip6_route_input+0x59c/0xa50 [ 2421.392037][T16070] ipv6_rcv+0x397/0x810 [ 2421.392037][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2421.392037][T16070] process_backlog+0x101/0x620 [ 2421.392037][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2421.392037][T16070] net_rx_action+0x495/0xbe0 [ 2421.392037][T16070] __do_softirq+0x1b5/0x7f6 [ 2421.392037][T16070] [ 2421.394109][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.394109][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.394109][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.394109][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.394109][T16070] ip6_route_add+0x1c/0x140 [ 2421.394109][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2421.394109][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2421.394109][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2421.394109][T16070] addrconf_dad_begin+0x310/0x670 [ 2421.394109][T16070] addrconf_dad_work+0x10b/0xab0 [ 2421.394109][T16070] process_one_work+0x84d/0x18a0 [ 2421.394109][T16070] worker_thread+0x587/0xd30 [ 2421.394109][T16070] kthread+0x28a/0x350 [ 2421.394109][T16070] ret_from_fork+0x31/0x70 [ 2421.394109][T16070] ret_from_fork_asm+0x1a/0x30 [ 2421.394109][T16070] [ 2421.396126][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.396126][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.396126][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.396126][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.396126][T16070] ip6_route_add+0x1c/0x140 [ 2421.396126][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2421.396126][T16070] inet6_addr_add+0x4f8/0xa40 [ 2421.396126][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.396126][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.396126][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.396126][T16070] netlink_unicast+0x449/0x710 [ 2421.396126][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.396126][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.396126][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.396126][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.396126][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.396126][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.396126][T16070] [ 2421.398368][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.398368][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.398368][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.398368][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.398368][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2421.398368][T16070] ipv6_add_addr+0x411/0x2000 [ 2421.398368][T16070] inet6_addr_add+0x30e/0xa40 [ 2421.398368][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.398368][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.398368][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.398368][T16070] netlink_unicast+0x449/0x710 [ 2421.398368][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.398368][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.398368][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.398368][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.398368][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.398368][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.398368][T16070] [ 2421.400617][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.400617][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.400617][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.400617][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.400617][T16070] ip6_route_add+0x1c/0x140 [ 2421.400617][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.400617][T16070] addrconf_add_dev+0xe2/0x170 [ 2421.400617][T16070] inet6_addr_add+0x12f/0xa40 [ 2421.400617][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.400617][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.400617][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.400617][T16070] netlink_unicast+0x449/0x710 [ 2421.400617][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.400617][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.400617][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.400617][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.400617][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.400617][T16070] [ 2421.402827][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.402827][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2421.402827][T16070] ipv6_find_idev+0x102/0x170 [ 2421.402827][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.402827][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.402827][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.402827][T16070] netlink_unicast+0x449/0x710 [ 2421.402827][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.402827][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.402827][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.402827][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.402827][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.402827][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.402827][T16070] [ 2421.404557][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2421.404557][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2421.404557][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2421.404557][T16070] ipv6_find_idev+0x102/0x170 [ 2421.404557][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.404557][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.404557][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.404557][T16070] netlink_unicast+0x449/0x710 [ 2421.404557][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.404557][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.404557][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.404557][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.404557][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.404557][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.404557][T16070] [ 2421.406453][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2421.406752][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2421.406752][T16070] dst_init+0x84/0x4a0 [ 2421.406752][T16070] dst_alloc+0x97/0x150 [ 2421.406752][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.406752][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.406752][T16070] ip6_pol_route+0x56f/0x840 [ 2421.406752][T16070] fib6_rule_lookup+0x334/0x630 [ 2421.406752][T16070] ip6_route_output_flags+0x259/0x480 [ 2421.406752][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2421.406752][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2421.406752][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2421.406752][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2421.406752][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2421.406752][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.406752][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.406752][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.406752][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.406752][T16070] [ 2421.409000][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.409000][T16070] dst_init+0x84/0x4a0 [ 2421.409000][T16070] dst_alloc+0x97/0x150 [ 2421.409000][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.409000][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.409000][T16070] ip6_pol_route+0x56f/0x840 [ 2421.409000][T16070] fib6_rule_lookup+0x334/0x630 [ 2421.409000][T16070] ip6_route_output_flags+0x259/0x480 [ 2421.409000][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2421.409000][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2421.409000][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2421.409000][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2421.409000][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2421.409000][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2421.409000][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2421.409000][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2421.409000][T16070] ip6_input_finish+0x120/0x260 [ 2421.409000][T16070] [ 2421.411281][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.411281][T16070] dst_init+0x84/0x4a0 [ 2421.411281][T16070] dst_alloc+0x97/0x150 [ 2421.411281][T16070] ip6_dst_alloc+0x23/0x90 [ 2421.411281][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2421.411281][T16070] ip6_pol_route+0x56f/0x840 [ 2421.411281][T16070] fib6_rule_lookup+0x456/0x630 [ 2421.411281][T16070] ip6_route_input+0x59c/0xa50 [ 2421.411281][T16070] ipv6_rcv+0x397/0x810 [ 2421.411281][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2421.411281][T16070] process_backlog+0x101/0x620 [ 2421.411281][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2421.411281][T16070] net_rx_action+0x495/0xbe0 [ 2421.411281][T16070] __do_softirq+0x1b5/0x7f6 [ 2421.411281][T16070] [ 2421.413128][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.413128][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.413128][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.413128][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.413128][T16070] ip6_route_add+0x1c/0x140 [ 2421.413128][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2421.413128][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2421.413128][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2421.413128][T16070] addrconf_dad_begin+0x310/0x670 [ 2421.413128][T16070] addrconf_dad_work+0x10b/0xab0 [ 2421.413128][T16070] process_one_work+0x84d/0x18a0 [ 2421.413128][T16070] worker_thread+0x587/0xd30 [ 2421.413128][T16070] kthread+0x28a/0x350 [ 2421.413128][T16070] ret_from_fork+0x31/0x70 [ 2421.413128][T16070] ret_from_fork_asm+0x1a/0x30 [ 2421.413128][T16070] [ 2421.415384][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.415384][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.415384][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.415384][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.415384][T16070] ip6_route_add+0x1c/0x140 [ 2421.415384][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2421.415384][T16070] inet6_addr_add+0x4f8/0xa40 [ 2421.415384][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.415384][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.415384][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.415384][T16070] netlink_unicast+0x449/0x710 [ 2421.415384][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.415384][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.415384][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.415384][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.415384][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.415384][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.415384][T16070] [ 2421.417950][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.417950][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.417950][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.417950][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.417950][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2421.417950][T16070] ipv6_add_addr+0x411/0x2000 [ 2421.417950][T16070] inet6_addr_add+0x30e/0xa40 [ 2421.417950][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.417950][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.417950][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.417950][T16070] netlink_unicast+0x449/0x710 [ 2421.417950][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.417950][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.417950][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.417950][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.417950][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.417950][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.417950][T16070] [ 2421.420511][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.420511][T16070] netdev_get_by_index+0x5e/0x80 [ 2421.420511][T16070] fib6_nh_init+0x3d8/0x1580 [ 2421.420511][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2421.420511][T16070] ip6_route_add+0x1c/0x140 [ 2421.420511][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2421.420511][T16070] addrconf_add_dev+0xe2/0x170 [ 2421.420511][T16070] inet6_addr_add+0x12f/0xa40 [ 2421.420511][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2421.420511][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.420511][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.420511][T16070] netlink_unicast+0x449/0x710 [ 2421.420511][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.420511][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.420511][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.420511][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.420511][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.420511][T16070] [ 2421.423037][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.423037][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2421.423037][T16070] ipv6_find_idev+0x102/0x170 [ 2421.423037][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.423037][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.423037][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.423037][T16070] netlink_unicast+0x449/0x710 [ 2421.423037][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.423037][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.423037][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.423037][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.423037][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.423037][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.423037][T16070] [ 2421.425073][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2421.425073][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2421.425073][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2421.425073][T16070] ipv6_find_idev+0x102/0x170 [ 2421.425073][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2421.425073][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2421.425073][T16070] netlink_rcv_skb+0x130/0x360 [ 2421.425073][T16070] netlink_unicast+0x449/0x710 [ 2421.425073][T16070] netlink_sendmsg+0x723/0xbe0 [ 2421.425073][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2421.425073][T16070] ___sys_sendmsg+0xee/0x170 [ 2421.425073][T16070] __sys_sendmsg+0xcd/0x170 [ 2421.425073][T16070] do_syscall_64+0xc6/0x1e0 [ 2421.425073][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2421.425073][T16070] [ 2430.600991][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2430.601414][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.601414][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.601414][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.601414][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.601414][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2430.601414][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2430.601414][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2430.601414][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2430.601414][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2430.601414][ T74] addrconf_dad_begin+0x310/0x670 [ 2430.601414][ T74] addrconf_dad_work+0x10b/0xab0 [ 2430.601414][ T74] process_one_work+0x84d/0x18a0 [ 2430.601414][ T74] worker_thread+0x587/0xd30 [ 2430.601414][ T74] kthread+0x28a/0x350 [ 2430.601414][ T74] ret_from_fork+0x31/0x70 [ 2430.601414][ T74] ret_from_fork_asm+0x1a/0x30 [ 2430.601414][ T74] [ 2430.603392][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.603392][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.603392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.603392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.603392][ T74] ip6_route_add+0x1c/0x140 [ 2430.603392][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2430.603392][ T74] inet6_addr_add+0x4f8/0xa40 [ 2430.603392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.603392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.603392][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.603392][ T74] netlink_unicast+0x449/0x710 [ 2430.603392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.603392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.603392][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.603392][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.603392][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.603392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.603392][ T74] [ 2430.605408][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.605408][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.605408][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.605408][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.605408][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2430.605408][ T74] ipv6_add_addr+0x411/0x2000 [ 2430.605408][ T74] inet6_addr_add+0x30e/0xa40 [ 2430.605408][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.605408][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.605408][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.605408][ T74] netlink_unicast+0x449/0x710 [ 2430.605408][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.605408][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.605408][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.605408][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.605408][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.605408][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.605408][ T74] [ 2430.607423][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.607423][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.607423][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.607423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.607423][ T74] ip6_route_add+0x1c/0x140 [ 2430.607423][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2430.607423][ T74] addrconf_add_dev+0xe2/0x170 [ 2430.607423][ T74] inet6_addr_add+0x12f/0xa40 [ 2430.607423][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.607423][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.607423][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.607423][ T74] netlink_unicast+0x449/0x710 [ 2430.607423][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.607423][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.607423][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.607423][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.607423][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.607423][ T74] [ 2430.609410][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.609410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2430.609410][ T74] ipv6_find_idev+0x102/0x170 [ 2430.609410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.609410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.609410][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.609410][ T74] netlink_unicast+0x449/0x710 [ 2430.609410][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.609410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.609410][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.609410][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.609410][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.609410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.609410][ T74] [ 2430.610967][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2430.610967][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2430.610967][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2430.610967][ T74] ipv6_find_idev+0x102/0x170 [ 2430.610967][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.610967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.610967][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.610967][ T74] netlink_unicast+0x449/0x710 [ 2430.610967][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.610967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.610967][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.610967][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.610967][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.610967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.610967][ T74] [ 2430.612694][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2430.612964][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.612964][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.612964][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.612964][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.612964][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2430.612964][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2430.612964][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2430.612964][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2430.612964][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2430.612964][ T74] addrconf_dad_begin+0x310/0x670 [ 2430.612964][ T74] addrconf_dad_work+0x10b/0xab0 [ 2430.612964][ T74] process_one_work+0x84d/0x18a0 [ 2430.612964][ T74] worker_thread+0x587/0xd30 [ 2430.612964][ T74] kthread+0x28a/0x350 [ 2430.612964][ T74] ret_from_fork+0x31/0x70 [ 2430.612964][ T74] ret_from_fork_asm+0x1a/0x30 [ 2430.612964][ T74] [ 2430.615033][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.615033][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.615033][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.615033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.615033][ T74] ip6_route_add+0x1c/0x140 [ 2430.615033][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2430.615033][ T74] inet6_addr_add+0x4f8/0xa40 [ 2430.615033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.615033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.615033][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.615033][ T74] netlink_unicast+0x449/0x710 [ 2430.615033][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.615033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.615033][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.615033][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.615033][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.615033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.615033][ T74] [ 2430.617039][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.617039][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.617039][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.617039][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.617039][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2430.617039][ T74] ipv6_add_addr+0x411/0x2000 [ 2430.617039][ T74] inet6_addr_add+0x30e/0xa40 [ 2430.617039][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.617039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.617039][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.617039][ T74] netlink_unicast+0x449/0x710 [ 2430.617039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.617039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.617039][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.617039][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.617039][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.617039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.617039][ T74] [ 2430.619068][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.619068][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.619068][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.619068][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.619068][ T74] ip6_route_add+0x1c/0x140 [ 2430.619068][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2430.619068][ T74] addrconf_add_dev+0xe2/0x170 [ 2430.619068][ T74] inet6_addr_add+0x12f/0xa40 [ 2430.619068][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.619068][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.619068][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.619068][ T74] netlink_unicast+0x449/0x710 [ 2430.619068][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.619068][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.619068][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.619068][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.619068][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.619068][ T74] [ 2430.621069][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.621069][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2430.621069][ T74] ipv6_find_idev+0x102/0x170 [ 2430.621069][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.621069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.621069][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.621069][ T74] netlink_unicast+0x449/0x710 [ 2430.621069][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.621069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.621069][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.621069][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.621069][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.621069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.621069][ T74] [ 2430.622641][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2430.622641][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2430.622641][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2430.622641][ T74] ipv6_find_idev+0x102/0x170 [ 2430.622641][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.622641][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.622641][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.622641][ T74] netlink_unicast+0x449/0x710 [ 2430.622641][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.622641][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.622641][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.622641][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.622641][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.622641][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.622641][ T74] [ 2430.624352][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2430.624592][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.624592][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.624592][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.624592][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.624592][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2430.624592][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2430.624592][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2430.624592][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2430.624592][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2430.624592][ T74] addrconf_dad_begin+0x310/0x670 [ 2430.624592][ T74] addrconf_dad_work+0x10b/0xab0 [ 2430.624592][ T74] process_one_work+0x84d/0x18a0 [ 2430.624592][ T74] worker_thread+0x587/0xd30 [ 2430.624592][ T74] kthread+0x28a/0x350 [ 2430.624592][ T74] ret_from_fork+0x31/0x70 [ 2430.624592][ T74] ret_from_fork_asm+0x1a/0x30 [ 2430.624592][ T74] [ 2430.626545][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.626545][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.626545][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.626545][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.626545][ T74] ip6_route_add+0x1c/0x140 [ 2430.626545][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2430.626545][ T74] inet6_addr_add+0x4f8/0xa40 [ 2430.626545][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.626545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.626545][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.626545][ T74] netlink_unicast+0x449/0x710 [ 2430.626545][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.626545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.626545][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.626545][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.626545][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.626545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.626545][ T74] [ 2430.628805][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.628805][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.628805][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.628805][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.628805][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2430.628805][ T74] ipv6_add_addr+0x411/0x2000 [ 2430.628805][ T74] inet6_addr_add+0x30e/0xa40 [ 2430.628805][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.628805][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.628805][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.628805][ T74] netlink_unicast+0x449/0x710 [ 2430.628805][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.628805][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.628805][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.628805][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.628805][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.628805][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.628805][ T74] [ 2430.631084][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.631084][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.631084][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.631084][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.631084][ T74] ip6_route_add+0x1c/0x140 [ 2430.631084][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2430.631084][ T74] addrconf_add_dev+0xe2/0x170 [ 2430.631084][ T74] inet6_addr_add+0x12f/0xa40 [ 2430.631084][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.631084][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.631084][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.631084][ T74] netlink_unicast+0x449/0x710 [ 2430.631084][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.631084][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.631084][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.631084][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.631084][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.631084][ T74] [ 2430.633319][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.633319][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2430.633319][ T74] ipv6_find_idev+0x102/0x170 [ 2430.633319][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.633319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.633319][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.633319][ T74] netlink_unicast+0x449/0x710 [ 2430.633319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.633319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.633319][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.633319][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.633319][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.633319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.633319][ T74] [ 2430.635062][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2430.635062][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2430.635062][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2430.635062][ T74] ipv6_find_idev+0x102/0x170 [ 2430.635062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.635062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.635062][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.635062][ T74] netlink_unicast+0x449/0x710 [ 2430.635062][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.635062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.635062][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.635062][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.635062][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.635062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.635062][ T74] [ 2430.637031][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2430.637272][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.637272][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.637272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.637272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.637272][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2430.637272][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2430.637272][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2430.637272][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2430.637272][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2430.637272][ T74] addrconf_dad_begin+0x310/0x670 [ 2430.637272][ T74] addrconf_dad_work+0x10b/0xab0 [ 2430.637272][ T74] process_one_work+0x84d/0x18a0 [ 2430.637272][ T74] worker_thread+0x587/0xd30 [ 2430.637272][ T74] kthread+0x28a/0x350 [ 2430.637272][ T74] ret_from_fork+0x31/0x70 [ 2430.637272][ T74] ret_from_fork_asm+0x1a/0x30 [ 2430.637272][ T74] [ 2430.639439][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.639439][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.639439][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.639439][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.639439][ T74] ip6_route_add+0x1c/0x140 [ 2430.639439][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2430.639439][ T74] inet6_addr_add+0x4f8/0xa40 [ 2430.639439][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.639439][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.639439][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.639439][ T74] netlink_unicast+0x449/0x710 [ 2430.639439][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.639439][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.639439][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.639439][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.639439][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.639439][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.639439][ T74] [ 2430.641717][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.641717][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.641717][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.641717][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.641717][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2430.641717][ T74] ipv6_add_addr+0x411/0x2000 [ 2430.641717][ T74] inet6_addr_add+0x30e/0xa40 [ 2430.641717][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.641717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.641717][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.641717][ T74] netlink_unicast+0x449/0x710 [ 2430.641717][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.641717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.641717][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.641717][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.641717][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.641717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.641717][ T74] [ 2430.643972][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.643972][ T74] netdev_get_by_index+0x5e/0x80 [ 2430.643972][ T74] fib6_nh_init+0x3d8/0x1580 [ 2430.643972][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2430.643972][ T74] ip6_route_add+0x1c/0x140 [ 2430.643972][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2430.643972][ T74] addrconf_add_dev+0xe2/0x170 [ 2430.643972][ T74] inet6_addr_add+0x12f/0xa40 [ 2430.643972][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2430.643972][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.643972][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.643972][ T74] netlink_unicast+0x449/0x710 [ 2430.643972][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.643972][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.643972][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.643972][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.643972][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.643972][ T74] [ 2430.646209][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.646209][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2430.646209][ T74] ipv6_find_idev+0x102/0x170 [ 2430.646209][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.646209][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.646209][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.646209][ T74] netlink_unicast+0x449/0x710 [ 2430.646209][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.646209][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.646209][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.646209][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.646209][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.646209][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.646209][ T74] [ 2430.647947][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2430.647947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2430.647947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2430.647947][ T74] ipv6_find_idev+0x102/0x170 [ 2430.647947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2430.647947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2430.647947][ T74] netlink_rcv_skb+0x130/0x360 [ 2430.647947][ T74] netlink_unicast+0x449/0x710 [ 2430.647947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2430.647947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2430.647947][ T74] ___sys_sendmsg+0xee/0x170 [ 2430.647947][ T74] __sys_sendmsg+0xcd/0x170 [ 2430.647947][ T74] do_syscall_64+0xc6/0x1e0 [ 2430.647947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2430.647947][ T74] [ 2431.664939][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2431.665389][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2431.665389][T16070] dst_init+0x84/0x4a0 [ 2431.665389][T16070] dst_alloc+0x97/0x150 [ 2431.665389][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.665389][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.665389][T16070] ip6_pol_route+0x56f/0x840 [ 2431.665389][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2431.665389][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2431.665389][T16070] fib6_rule_lookup+0x182/0x630 [ 2431.665389][T16070] ip6_route_output_flags+0x259/0x480 [ 2431.665389][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2431.665389][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2431.665389][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2431.665389][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2431.665389][T16070] ip6_datagram_connect+0x2c/0x50 [ 2431.665389][T16070] __sys_connect+0x217/0x2a0 [ 2431.665389][T16070] __x64_sys_connect+0x72/0xb0 [ 2431.665389][T16070] [ 2431.667684][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2431.667684][T16070] dst_init+0x84/0x4a0 [ 2431.667684][T16070] dst_alloc+0x97/0x150 [ 2431.667684][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.667684][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.667684][T16070] ip6_pol_route+0x56f/0x840 [ 2431.667684][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2431.667684][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2431.667684][T16070] fib6_rule_lookup+0x182/0x630 [ 2431.667684][T16070] ip6_route_output_flags+0x259/0x480 [ 2431.667684][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2431.667684][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2431.667684][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2431.667684][T16070] __inet_stream_connect+0x272/0x9f0 [ 2431.667684][T16070] inet_stream_connect+0x57/0xa0 [ 2431.667684][T16070] __sys_connect+0x217/0x2a0 [ 2431.667684][T16070] __x64_sys_connect+0x72/0xb0 [ 2431.667684][T16070] [ 2431.669938][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.669938][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2431.669938][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2431.669938][T16070] fib6_nh_init+0xa22/0x1580 [ 2431.669938][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.669938][T16070] ip6_route_add+0x1c/0x140 [ 2431.669938][T16070] inet6_rtm_newroute+0x104/0x110 [ 2431.669938][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.669938][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.669938][T16070] netlink_unicast+0x449/0x710 [ 2431.669938][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.669938][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.669938][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.669938][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.669938][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.669938][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.669938][T16070] [ 2431.672052][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.672052][T16070] dst_init+0x84/0x4a0 [ 2431.672052][T16070] dst_alloc+0x97/0x150 [ 2431.672052][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.672052][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.672052][T16070] ip6_pol_route+0x56f/0x840 [ 2431.672052][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2431.672052][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2431.672052][T16070] fib6_rule_lookup+0x182/0x630 [ 2431.672052][T16070] ip6_route_input+0x59c/0xa50 [ 2431.672052][T16070] ipv6_rcv+0x397/0x810 [ 2431.672052][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.672052][T16070] process_backlog+0x101/0x620 [ 2431.672052][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2431.672052][T16070] net_rx_action+0x495/0xbe0 [ 2431.672052][T16070] __do_softirq+0x1b5/0x7f6 [ 2431.672052][T16070] [ 2431.674118][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.674118][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.674118][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.674118][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.674118][T16070] ip6_route_add+0x1c/0x140 [ 2431.674118][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2431.674118][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2431.674118][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2431.674118][T16070] addrconf_dad_begin+0x310/0x670 [ 2431.674118][T16070] addrconf_dad_work+0x10b/0xab0 [ 2431.674118][T16070] process_one_work+0x84d/0x18a0 [ 2431.674118][T16070] worker_thread+0x587/0xd30 [ 2431.674118][T16070] kthread+0x28a/0x350 [ 2431.674118][T16070] ret_from_fork+0x31/0x70 [ 2431.674118][T16070] ret_from_fork_asm+0x1a/0x30 [ 2431.674118][T16070] [ 2431.676129][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.676129][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.676129][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.676129][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.676129][T16070] ip6_route_add+0x1c/0x140 [ 2431.676129][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2431.676129][T16070] inet6_addr_add+0x4f8/0xa40 [ 2431.676129][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.676129][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.676129][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.676129][T16070] netlink_unicast+0x449/0x710 [ 2431.676129][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.676129][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.676129][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.676129][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.676129][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.676129][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.676129][T16070] [ 2431.678371][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.678371][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.678371][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.678371][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.678371][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2431.678371][T16070] ipv6_add_addr+0x411/0x2000 [ 2431.678371][T16070] inet6_addr_add+0x30e/0xa40 [ 2431.678371][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.678371][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.678371][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.678371][T16070] netlink_unicast+0x449/0x710 [ 2431.678371][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.678371][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.678371][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.678371][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.678371][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.678371][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.678371][T16070] [ 2431.680629][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.680629][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.680629][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.680629][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.680629][T16070] ip6_route_add+0x1c/0x140 [ 2431.680629][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.680629][T16070] addrconf_add_dev+0xe2/0x170 [ 2431.680629][T16070] inet6_addr_add+0x12f/0xa40 [ 2431.680629][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.680629][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.680629][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.680629][T16070] netlink_unicast+0x449/0x710 [ 2431.680629][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.680629][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.680629][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.680629][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.680629][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.680629][T16070] [ 2431.682839][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.682839][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2431.682839][T16070] ipv6_find_idev+0x102/0x170 [ 2431.682839][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.682839][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.682839][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.682839][T16070] netlink_unicast+0x449/0x710 [ 2431.682839][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.682839][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.682839][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.682839][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.682839][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.682839][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.682839][T16070] [ 2431.684569][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2431.684569][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2431.684569][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2431.684569][T16070] ipv6_find_idev+0x102/0x170 [ 2431.684569][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.684569][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.684569][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.684569][T16070] netlink_unicast+0x449/0x710 [ 2431.684569][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.684569][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.684569][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.684569][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.684569][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.684569][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.684569][T16070] [ 2431.686464][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2431.686764][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2431.686764][T16070] dst_init+0x84/0x4a0 [ 2431.686764][T16070] dst_alloc+0x97/0x150 [ 2431.686764][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.686764][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.686764][T16070] ip6_pol_route+0x56f/0x840 [ 2431.686764][T16070] fib6_rule_lookup+0x334/0x630 [ 2431.686764][T16070] ip6_route_output_flags+0x259/0x480 [ 2431.686764][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2431.686764][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2431.686764][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2431.686764][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2431.686764][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2431.686764][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.686764][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.686764][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.686764][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.686764][T16070] [ 2431.689026][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.689026][T16070] dst_init+0x84/0x4a0 [ 2431.689026][T16070] dst_alloc+0x97/0x150 [ 2431.689026][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.689026][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.689026][T16070] ip6_pol_route+0x56f/0x840 [ 2431.689026][T16070] fib6_rule_lookup+0x334/0x630 [ 2431.689026][T16070] ip6_route_output_flags+0x259/0x480 [ 2431.689026][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2431.689026][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2431.689026][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2431.689026][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2431.689026][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2431.689026][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2431.689026][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2431.689026][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2431.689026][T16070] ip6_input_finish+0x120/0x260 [ 2431.689026][T16070] [ 2431.691315][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.691315][T16070] dst_init+0x84/0x4a0 [ 2431.691315][T16070] dst_alloc+0x97/0x150 [ 2431.691315][T16070] ip6_dst_alloc+0x23/0x90 [ 2431.691315][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2431.691315][T16070] ip6_pol_route+0x56f/0x840 [ 2431.691315][T16070] fib6_rule_lookup+0x456/0x630 [ 2431.691315][T16070] ip6_route_input+0x59c/0xa50 [ 2431.691315][T16070] ipv6_rcv+0x397/0x810 [ 2431.691315][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2431.691315][T16070] process_backlog+0x101/0x620 [ 2431.691315][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2431.691315][T16070] net_rx_action+0x495/0xbe0 [ 2431.691315][T16070] __do_softirq+0x1b5/0x7f6 [ 2431.691315][T16070] [ 2431.693144][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.693144][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.693144][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.693144][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.693144][T16070] ip6_route_add+0x1c/0x140 [ 2431.693144][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2431.693144][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2431.693144][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2431.693144][T16070] addrconf_dad_begin+0x310/0x670 [ 2431.693144][T16070] addrconf_dad_work+0x10b/0xab0 [ 2431.693144][T16070] process_one_work+0x84d/0x18a0 [ 2431.693144][T16070] worker_thread+0x587/0xd30 [ 2431.693144][T16070] kthread+0x28a/0x350 [ 2431.693144][T16070] ret_from_fork+0x31/0x70 [ 2431.693144][T16070] ret_from_fork_asm+0x1a/0x30 [ 2431.693144][T16070] [ 2431.695318][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.695318][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.695318][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.695318][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.695318][T16070] ip6_route_add+0x1c/0x140 [ 2431.695318][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2431.695318][T16070] inet6_addr_add+0x4f8/0xa40 [ 2431.695318][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.695318][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.695318][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.695318][T16070] netlink_unicast+0x449/0x710 [ 2431.695318][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.695318][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.695318][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.695318][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.695318][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.695318][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.695318][T16070] [ 2431.697726][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.697726][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.697726][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.697726][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.697726][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2431.697726][T16070] ipv6_add_addr+0x411/0x2000 [ 2431.697726][T16070] inet6_addr_add+0x30e/0xa40 [ 2431.697726][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.697726][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.697726][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.697726][T16070] netlink_unicast+0x449/0x710 [ 2431.697726][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.697726][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.697726][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.697726][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.697726][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.697726][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.697726][T16070] [ 2431.700153][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.700153][T16070] netdev_get_by_index+0x5e/0x80 [ 2431.700153][T16070] fib6_nh_init+0x3d8/0x1580 [ 2431.700153][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2431.700153][T16070] ip6_route_add+0x1c/0x140 [ 2431.700153][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2431.700153][T16070] addrconf_add_dev+0xe2/0x170 [ 2431.700153][T16070] inet6_addr_add+0x12f/0xa40 [ 2431.700153][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2431.700153][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.700153][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.700153][T16070] netlink_unicast+0x449/0x710 [ 2431.700153][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.700153][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.700153][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.700153][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.700153][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.700153][T16070] [ 2431.702517][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.702517][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2431.702517][T16070] ipv6_find_idev+0x102/0x170 [ 2431.702517][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.702517][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.702517][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.702517][T16070] netlink_unicast+0x449/0x710 [ 2431.702517][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.702517][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.702517][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.702517][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.702517][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.702517][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.702517][T16070] [ 2431.704400][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2431.704400][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2431.704400][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2431.704400][T16070] ipv6_find_idev+0x102/0x170 [ 2431.704400][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2431.704400][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2431.704400][T16070] netlink_rcv_skb+0x130/0x360 [ 2431.704400][T16070] netlink_unicast+0x449/0x710 [ 2431.704400][T16070] netlink_sendmsg+0x723/0xbe0 [ 2431.704400][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2431.704400][T16070] ___sys_sendmsg+0xee/0x170 [ 2431.704400][T16070] __sys_sendmsg+0xcd/0x170 [ 2431.704400][T16070] do_syscall_64+0xc6/0x1e0 [ 2431.704400][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2431.704400][T16070] [ 2440.680973][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2440.681423][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.681423][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.681423][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.681423][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.681423][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2440.681423][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2440.681423][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2440.681423][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2440.681423][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2440.681423][ T74] addrconf_dad_begin+0x310/0x670 [ 2440.681423][ T74] addrconf_dad_work+0x10b/0xab0 [ 2440.681423][ T74] process_one_work+0x84d/0x18a0 [ 2440.681423][ T74] worker_thread+0x587/0xd30 [ 2440.681423][ T74] kthread+0x28a/0x350 [ 2440.681423][ T74] ret_from_fork+0x31/0x70 [ 2440.681423][ T74] ret_from_fork_asm+0x1a/0x30 [ 2440.681423][ T74] [ 2440.683594][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.683594][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.683594][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.683594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.683594][ T74] ip6_route_add+0x1c/0x140 [ 2440.683594][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2440.683594][ T74] inet6_addr_add+0x4f8/0xa40 [ 2440.683594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.683594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.683594][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.683594][ T74] netlink_unicast+0x449/0x710 [ 2440.683594][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.683594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.683594][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.683594][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.683594][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.683594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.683594][ T74] [ 2440.685838][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.685838][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.685838][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.685838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.685838][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2440.685838][ T74] ipv6_add_addr+0x411/0x2000 [ 2440.685838][ T74] inet6_addr_add+0x30e/0xa40 [ 2440.685838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.685838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.685838][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.685838][ T74] netlink_unicast+0x449/0x710 [ 2440.685838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.685838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.685838][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.685838][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.685838][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.685838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.685838][ T74] [ 2440.688078][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.688078][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.688078][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.688078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.688078][ T74] ip6_route_add+0x1c/0x140 [ 2440.688078][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2440.688078][ T74] addrconf_add_dev+0xe2/0x170 [ 2440.688078][ T74] inet6_addr_add+0x12f/0xa40 [ 2440.688078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.688078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.688078][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.688078][ T74] netlink_unicast+0x449/0x710 [ 2440.688078][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.688078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.688078][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.688078][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.688078][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.688078][ T74] [ 2440.690288][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.690288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2440.690288][ T74] ipv6_find_idev+0x102/0x170 [ 2440.690288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.690288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.690288][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.690288][ T74] netlink_unicast+0x449/0x710 [ 2440.690288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.690288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.690288][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.690288][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.690288][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.690288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.690288][ T74] [ 2440.692020][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2440.692020][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2440.692020][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2440.692020][ T74] ipv6_find_idev+0x102/0x170 [ 2440.692020][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.692020][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.692020][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.692020][ T74] netlink_unicast+0x449/0x710 [ 2440.692020][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.692020][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.692020][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.692020][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.692020][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.692020][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.692020][ T74] [ 2440.693910][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2440.694170][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.694170][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.694170][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.694170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.694170][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2440.694170][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2440.694170][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2440.694170][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2440.694170][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2440.694170][ T74] addrconf_dad_begin+0x310/0x670 [ 2440.694170][ T74] addrconf_dad_work+0x10b/0xab0 [ 2440.694170][ T74] process_one_work+0x84d/0x18a0 [ 2440.694170][ T74] worker_thread+0x587/0xd30 [ 2440.694170][ T74] kthread+0x28a/0x350 [ 2440.694170][ T74] ret_from_fork+0x31/0x70 [ 2440.694170][ T74] ret_from_fork_asm+0x1a/0x30 [ 2440.694170][ T74] [ 2440.696341][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.696341][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.696341][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.696341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.696341][ T74] ip6_route_add+0x1c/0x140 [ 2440.696341][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2440.696341][ T74] inet6_addr_add+0x4f8/0xa40 [ 2440.696341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.696341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.696341][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.696341][ T74] netlink_unicast+0x449/0x710 [ 2440.696341][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.696341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.696341][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.696341][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.696341][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.696341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.696341][ T74] [ 2440.698581][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.698581][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.698581][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.698581][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.698581][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2440.698581][ T74] ipv6_add_addr+0x411/0x2000 [ 2440.698581][ T74] inet6_addr_add+0x30e/0xa40 [ 2440.698581][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.698581][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.698581][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.698581][ T74] netlink_unicast+0x449/0x710 [ 2440.698581][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.698581][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.698581][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.698581][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.698581][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.698581][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.698581][ T74] [ 2440.700824][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.700824][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.700824][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.700824][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.700824][ T74] ip6_route_add+0x1c/0x140 [ 2440.700824][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2440.700824][ T74] addrconf_add_dev+0xe2/0x170 [ 2440.700824][ T74] inet6_addr_add+0x12f/0xa40 [ 2440.700824][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.700824][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.700824][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.700824][ T74] netlink_unicast+0x449/0x710 [ 2440.700824][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.700824][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.700824][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.700824][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.700824][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.700824][ T74] [ 2440.703030][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.703030][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2440.703030][ T74] ipv6_find_idev+0x102/0x170 [ 2440.703030][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.703030][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.703030][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.703030][ T74] netlink_unicast+0x449/0x710 [ 2440.703030][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.703030][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.703030][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.703030][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.703030][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.703030][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.703030][ T74] [ 2440.704767][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2440.704767][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2440.704767][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2440.704767][ T74] ipv6_find_idev+0x102/0x170 [ 2440.704767][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.704767][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.704767][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.704767][ T74] netlink_unicast+0x449/0x710 [ 2440.704767][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.704767][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.704767][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.704767][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.704767][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.704767][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.704767][ T74] [ 2440.706656][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2440.706936][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.706936][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.706936][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.706936][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.706936][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2440.706936][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2440.706936][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2440.706936][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2440.706936][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2440.706936][ T74] addrconf_dad_begin+0x310/0x670 [ 2440.706936][ T74] addrconf_dad_work+0x10b/0xab0 [ 2440.706936][ T74] process_one_work+0x84d/0x18a0 [ 2440.706936][ T74] worker_thread+0x587/0xd30 [ 2440.706936][ T74] kthread+0x28a/0x350 [ 2440.706936][ T74] ret_from_fork+0x31/0x70 [ 2440.706936][ T74] ret_from_fork_asm+0x1a/0x30 [ 2440.706936][ T74] [ 2440.709072][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.709072][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.709072][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.709072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.709072][ T74] ip6_route_add+0x1c/0x140 [ 2440.709072][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2440.709072][ T74] inet6_addr_add+0x4f8/0xa40 [ 2440.709072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.709072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.709072][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.709072][ T74] netlink_unicast+0x449/0x710 [ 2440.709072][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.709072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.709072][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.709072][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.709072][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.709072][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.709072][ T74] [ 2440.711515][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.711515][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.711515][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.711515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.711515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2440.711515][ T74] ipv6_add_addr+0x411/0x2000 [ 2440.711515][ T74] inet6_addr_add+0x30e/0xa40 [ 2440.711515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.711515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.711515][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.711515][ T74] netlink_unicast+0x449/0x710 [ 2440.711515][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.711515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.711515][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.711515][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.711515][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.711515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.711515][ T74] [ 2440.714072][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.714072][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.714072][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.714072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.714072][ T74] ip6_route_add+0x1c/0x140 [ 2440.714072][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2440.714072][ T74] addrconf_add_dev+0xe2/0x170 [ 2440.714072][ T74] inet6_addr_add+0x12f/0xa40 [ 2440.714072][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.714072][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.714072][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.714072][ T74] netlink_unicast+0x449/0x710 [ 2440.714072][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.714072][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.714072][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.714072][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.714072][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.714072][ T74] [ 2440.716516][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.716516][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2440.716516][ T74] ipv6_find_idev+0x102/0x170 [ 2440.716516][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.716516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.716516][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.716516][ T74] netlink_unicast+0x449/0x710 [ 2440.716516][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.716516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.716516][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.716516][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.716516][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.716516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.716516][ T74] [ 2440.718418][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2440.718418][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2440.718418][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2440.718418][ T74] ipv6_find_idev+0x102/0x170 [ 2440.718418][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.718418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.718418][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.718418][ T74] netlink_unicast+0x449/0x710 [ 2440.718418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.718418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.718418][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.718418][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.718418][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.718418][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.718418][ T74] [ 2440.720446][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2440.720704][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.720704][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.720704][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.720704][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.720704][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2440.720704][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2440.720704][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2440.720704][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2440.720704][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2440.720704][ T74] addrconf_dad_begin+0x310/0x670 [ 2440.720704][ T74] addrconf_dad_work+0x10b/0xab0 [ 2440.720704][ T74] process_one_work+0x84d/0x18a0 [ 2440.720704][ T74] worker_thread+0x587/0xd30 [ 2440.720704][ T74] kthread+0x28a/0x350 [ 2440.720704][ T74] ret_from_fork+0x31/0x70 [ 2440.720704][ T74] ret_from_fork_asm+0x1a/0x30 [ 2440.720704][ T74] [ 2440.723148][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.723148][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.723148][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.723148][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.723148][ T74] ip6_route_add+0x1c/0x140 [ 2440.723148][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2440.723148][ T74] inet6_addr_add+0x4f8/0xa40 [ 2440.723148][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.723148][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.723148][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.723148][ T74] netlink_unicast+0x449/0x710 [ 2440.723148][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.723148][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.723148][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.723148][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.723148][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.723148][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.723148][ T74] [ 2440.725650][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.725650][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.725650][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.725650][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.725650][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2440.725650][ T74] ipv6_add_addr+0x411/0x2000 [ 2440.725650][ T74] inet6_addr_add+0x30e/0xa40 [ 2440.725650][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.725650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.725650][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.725650][ T74] netlink_unicast+0x449/0x710 [ 2440.725650][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.725650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.725650][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.725650][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.725650][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.725650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.725650][ T74] [ 2440.728129][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.728129][ T74] netdev_get_by_index+0x5e/0x80 [ 2440.728129][ T74] fib6_nh_init+0x3d8/0x1580 [ 2440.728129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2440.728129][ T74] ip6_route_add+0x1c/0x140 [ 2440.728129][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2440.728129][ T74] addrconf_add_dev+0xe2/0x170 [ 2440.728129][ T74] inet6_addr_add+0x12f/0xa40 [ 2440.728129][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2440.728129][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.728129][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.728129][ T74] netlink_unicast+0x449/0x710 [ 2440.728129][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.728129][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.728129][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.728129][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.728129][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.728129][ T74] [ 2440.730521][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.730521][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2440.730521][ T74] ipv6_find_idev+0x102/0x170 [ 2440.730521][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.730521][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.730521][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.730521][ T74] netlink_unicast+0x449/0x710 [ 2440.730521][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.730521][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.730521][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.730521][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.730521][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.730521][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.730521][ T74] [ 2440.732426][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2440.732426][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2440.732426][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2440.732426][ T74] ipv6_find_idev+0x102/0x170 [ 2440.732426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2440.732426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2440.732426][ T74] netlink_rcv_skb+0x130/0x360 [ 2440.732426][ T74] netlink_unicast+0x449/0x710 [ 2440.732426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2440.732426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2440.732426][ T74] ___sys_sendmsg+0xee/0x170 [ 2440.732426][ T74] __sys_sendmsg+0xcd/0x170 [ 2440.732426][ T74] do_syscall_64+0xc6/0x1e0 [ 2440.732426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2440.732426][ T74] [ 2441.960898][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2441.961376][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2441.961376][T16070] dst_init+0x84/0x4a0 [ 2441.961376][T16070] dst_alloc+0x97/0x150 [ 2441.961376][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.961376][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.961376][T16070] ip6_pol_route+0x56f/0x840 [ 2441.961376][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2441.961376][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2441.961376][T16070] fib6_rule_lookup+0x182/0x630 [ 2441.961376][T16070] ip6_route_output_flags+0x259/0x480 [ 2441.961376][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2441.961376][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2441.961376][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2441.961376][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2441.961376][T16070] ip6_datagram_connect+0x2c/0x50 [ 2441.961376][T16070] __sys_connect+0x217/0x2a0 [ 2441.961376][T16070] __x64_sys_connect+0x72/0xb0 [ 2441.961376][T16070] [ 2441.963691][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2441.963691][T16070] dst_init+0x84/0x4a0 [ 2441.963691][T16070] dst_alloc+0x97/0x150 [ 2441.963691][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.963691][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.963691][T16070] ip6_pol_route+0x56f/0x840 [ 2441.963691][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2441.963691][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2441.963691][T16070] fib6_rule_lookup+0x182/0x630 [ 2441.963691][T16070] ip6_route_output_flags+0x259/0x480 [ 2441.963691][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2441.963691][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2441.963691][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2441.963691][T16070] __inet_stream_connect+0x272/0x9f0 [ 2441.963691][T16070] inet_stream_connect+0x57/0xa0 [ 2441.963691][T16070] __sys_connect+0x217/0x2a0 [ 2441.963691][T16070] __x64_sys_connect+0x72/0xb0 [ 2441.963691][T16070] [ 2441.965941][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.965941][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2441.965941][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2441.965941][T16070] fib6_nh_init+0xa22/0x1580 [ 2441.965941][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.965941][T16070] ip6_route_add+0x1c/0x140 [ 2441.965941][T16070] inet6_rtm_newroute+0x104/0x110 [ 2441.965941][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.965941][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.965941][T16070] netlink_unicast+0x449/0x710 [ 2441.965941][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.965941][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.965941][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.965941][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.965941][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.965941][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.965941][T16070] [ 2441.968048][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.968048][T16070] dst_init+0x84/0x4a0 [ 2441.968048][T16070] dst_alloc+0x97/0x150 [ 2441.968048][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.968048][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.968048][T16070] ip6_pol_route+0x56f/0x840 [ 2441.968048][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2441.968048][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2441.968048][T16070] fib6_rule_lookup+0x182/0x630 [ 2441.968048][T16070] ip6_route_input+0x59c/0xa50 [ 2441.968048][T16070] ipv6_rcv+0x397/0x810 [ 2441.968048][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2441.968048][T16070] process_backlog+0x101/0x620 [ 2441.968048][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2441.968048][T16070] net_rx_action+0x495/0xbe0 [ 2441.968048][T16070] __do_softirq+0x1b5/0x7f6 [ 2441.968048][T16070] [ 2441.970163][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.970163][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.970163][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.970163][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.970163][T16070] ip6_route_add+0x1c/0x140 [ 2441.970163][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2441.970163][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2441.970163][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2441.970163][T16070] addrconf_dad_begin+0x310/0x670 [ 2441.970163][T16070] addrconf_dad_work+0x10b/0xab0 [ 2441.970163][T16070] process_one_work+0x84d/0x18a0 [ 2441.970163][T16070] worker_thread+0x587/0xd30 [ 2441.970163][T16070] kthread+0x28a/0x350 [ 2441.970163][T16070] ret_from_fork+0x31/0x70 [ 2441.970163][T16070] ret_from_fork_asm+0x1a/0x30 [ 2441.970163][T16070] [ 2441.972182][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.972182][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.972182][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.972182][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.972182][T16070] ip6_route_add+0x1c/0x140 [ 2441.972182][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2441.972182][T16070] inet6_addr_add+0x4f8/0xa40 [ 2441.972182][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.972182][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.972182][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.972182][T16070] netlink_unicast+0x449/0x710 [ 2441.972182][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.972182][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.972182][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.972182][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.972182][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.972182][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.972182][T16070] [ 2441.974423][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.974423][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.974423][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.974423][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.974423][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2441.974423][T16070] ipv6_add_addr+0x411/0x2000 [ 2441.974423][T16070] inet6_addr_add+0x30e/0xa40 [ 2441.974423][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.974423][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.974423][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.974423][T16070] netlink_unicast+0x449/0x710 [ 2441.974423][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.974423][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.974423][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.974423][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.974423][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.974423][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.974423][T16070] [ 2441.976659][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.976659][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.976659][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.976659][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.976659][T16070] ip6_route_add+0x1c/0x140 [ 2441.976659][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.976659][T16070] addrconf_add_dev+0xe2/0x170 [ 2441.976659][T16070] inet6_addr_add+0x12f/0xa40 [ 2441.976659][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.976659][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.976659][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.976659][T16070] netlink_unicast+0x449/0x710 [ 2441.976659][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.976659][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.976659][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.976659][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.976659][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.976659][T16070] [ 2441.979375][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.979375][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2441.979375][T16070] ipv6_find_idev+0x102/0x170 [ 2441.979375][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.979375][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.979375][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.979375][T16070] netlink_unicast+0x449/0x710 [ 2441.979375][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.979375][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.979375][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.979375][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.979375][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.979375][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.979375][T16070] [ 2441.981108][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2441.981108][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2441.981108][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2441.981108][T16070] ipv6_find_idev+0x102/0x170 [ 2441.981108][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.981108][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.981108][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.981108][T16070] netlink_unicast+0x449/0x710 [ 2441.981108][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.981108][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.981108][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.981108][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.981108][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.981108][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.981108][T16070] [ 2441.983007][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2441.983311][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2441.983311][T16070] dst_init+0x84/0x4a0 [ 2441.983311][T16070] dst_alloc+0x97/0x150 [ 2441.983311][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.983311][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.983311][T16070] ip6_pol_route+0x56f/0x840 [ 2441.983311][T16070] fib6_rule_lookup+0x334/0x630 [ 2441.983311][T16070] ip6_route_output_flags+0x259/0x480 [ 2441.983311][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2441.983311][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2441.983311][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2441.983311][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2441.983311][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2441.983311][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.983311][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.983311][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.983311][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.983311][T16070] [ 2441.985557][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.985557][T16070] dst_init+0x84/0x4a0 [ 2441.985557][T16070] dst_alloc+0x97/0x150 [ 2441.985557][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.985557][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.985557][T16070] ip6_pol_route+0x56f/0x840 [ 2441.985557][T16070] fib6_rule_lookup+0x334/0x630 [ 2441.985557][T16070] ip6_route_output_flags+0x259/0x480 [ 2441.985557][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2441.985557][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2441.985557][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2441.985557][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2441.985557][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2441.985557][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2441.985557][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2441.985557][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2441.985557][T16070] ip6_input_finish+0x120/0x260 [ 2441.985557][T16070] [ 2441.987822][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.987822][T16070] dst_init+0x84/0x4a0 [ 2441.987822][T16070] dst_alloc+0x97/0x150 [ 2441.987822][T16070] ip6_dst_alloc+0x23/0x90 [ 2441.987822][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2441.987822][T16070] ip6_pol_route+0x56f/0x840 [ 2441.987822][T16070] fib6_rule_lookup+0x456/0x630 [ 2441.987822][T16070] ip6_route_input+0x59c/0xa50 [ 2441.987822][T16070] ipv6_rcv+0x397/0x810 [ 2441.987822][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2441.987822][T16070] process_backlog+0x101/0x620 [ 2441.987822][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2441.987822][T16070] net_rx_action+0x495/0xbe0 [ 2441.987822][T16070] __do_softirq+0x1b5/0x7f6 [ 2441.987822][T16070] [ 2441.990054][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.990054][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.990054][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.990054][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.990054][T16070] ip6_route_add+0x1c/0x140 [ 2441.990054][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2441.990054][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2441.990054][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2441.990054][T16070] addrconf_dad_begin+0x310/0x670 [ 2441.990054][T16070] addrconf_dad_work+0x10b/0xab0 [ 2441.990054][T16070] process_one_work+0x84d/0x18a0 [ 2441.990054][T16070] worker_thread+0x587/0xd30 [ 2441.990054][T16070] kthread+0x28a/0x350 [ 2441.990054][T16070] ret_from_fork+0x31/0x70 [ 2441.990054][T16070] ret_from_fork_asm+0x1a/0x30 [ 2441.990054][T16070] [ 2441.992302][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.992302][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.992302][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.992302][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.992302][T16070] ip6_route_add+0x1c/0x140 [ 2441.992302][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2441.992302][T16070] inet6_addr_add+0x4f8/0xa40 [ 2441.992302][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.992302][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.992302][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.992302][T16070] netlink_unicast+0x449/0x710 [ 2441.992302][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.992302][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.992302][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.992302][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.992302][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.992302][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.992302][T16070] [ 2441.994863][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.994863][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.994863][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.994863][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.994863][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2441.994863][T16070] ipv6_add_addr+0x411/0x2000 [ 2441.994863][T16070] inet6_addr_add+0x30e/0xa40 [ 2441.994863][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.994863][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.994863][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.994863][T16070] netlink_unicast+0x449/0x710 [ 2441.994863][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.994863][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.994863][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.994863][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.994863][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.994863][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.994863][T16070] [ 2441.997412][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.997412][T16070] netdev_get_by_index+0x5e/0x80 [ 2441.997412][T16070] fib6_nh_init+0x3d8/0x1580 [ 2441.997412][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2441.997412][T16070] ip6_route_add+0x1c/0x140 [ 2441.997412][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2441.997412][T16070] addrconf_add_dev+0xe2/0x170 [ 2441.997412][T16070] inet6_addr_add+0x12f/0xa40 [ 2441.997412][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2441.997412][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.997412][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.997412][T16070] netlink_unicast+0x449/0x710 [ 2441.997412][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.997412][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.997412][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.997412][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.997412][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.997412][T16070] [ 2441.999930][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2441.999930][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2441.999930][T16070] ipv6_find_idev+0x102/0x170 [ 2441.999930][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2441.999930][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2441.999930][T16070] netlink_rcv_skb+0x130/0x360 [ 2441.999930][T16070] netlink_unicast+0x449/0x710 [ 2441.999930][T16070] netlink_sendmsg+0x723/0xbe0 [ 2441.999930][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2441.999930][T16070] ___sys_sendmsg+0xee/0x170 [ 2441.999930][T16070] __sys_sendmsg+0xcd/0x170 [ 2441.999930][T16070] do_syscall_64+0xc6/0x1e0 [ 2441.999930][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2441.999930][T16070] [ 2442.001891][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2442.001891][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2442.001891][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2442.001891][T16070] ipv6_find_idev+0x102/0x170 [ 2442.001891][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2442.001891][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2442.001891][T16070] netlink_rcv_skb+0x130/0x360 [ 2442.001891][T16070] netlink_unicast+0x449/0x710 [ 2442.001891][T16070] netlink_sendmsg+0x723/0xbe0 [ 2442.001891][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2442.001891][T16070] ___sys_sendmsg+0xee/0x170 [ 2442.001891][T16070] __sys_sendmsg+0xcd/0x170 [ 2442.001891][T16070] do_syscall_64+0xc6/0x1e0 [ 2442.001891][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2442.001891][T16070] [ 2450.848865][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2450.849333][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.849333][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.849333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.849333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.849333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2450.849333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2450.849333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2450.849333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2450.849333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2450.849333][ T74] addrconf_dad_begin+0x310/0x670 [ 2450.849333][ T74] addrconf_dad_work+0x10b/0xab0 [ 2450.849333][ T74] process_one_work+0x84d/0x18a0 [ 2450.849333][ T74] worker_thread+0x587/0xd30 [ 2450.849333][ T74] kthread+0x28a/0x350 [ 2450.849333][ T74] ret_from_fork+0x31/0x70 [ 2450.849333][ T74] ret_from_fork_asm+0x1a/0x30 [ 2450.849333][ T74] [ 2450.851506][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.851506][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.851506][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.851506][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.851506][ T74] ip6_route_add+0x1c/0x140 [ 2450.851506][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2450.851506][ T74] inet6_addr_add+0x4f8/0xa40 [ 2450.851506][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.851506][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.851506][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.851506][ T74] netlink_unicast+0x449/0x710 [ 2450.851506][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.851506][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.851506][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.851506][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.851506][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.851506][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.851506][ T74] [ 2450.853754][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.853754][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.853754][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.853754][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.853754][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2450.853754][ T74] ipv6_add_addr+0x411/0x2000 [ 2450.853754][ T74] inet6_addr_add+0x30e/0xa40 [ 2450.853754][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.853754][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.853754][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.853754][ T74] netlink_unicast+0x449/0x710 [ 2450.853754][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.853754][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.853754][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.853754][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.853754][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.853754][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.853754][ T74] [ 2450.855980][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.855980][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.855980][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.855980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.855980][ T74] ip6_route_add+0x1c/0x140 [ 2450.855980][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2450.855980][ T74] addrconf_add_dev+0xe2/0x170 [ 2450.855980][ T74] inet6_addr_add+0x12f/0xa40 [ 2450.855980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.855980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.855980][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.855980][ T74] netlink_unicast+0x449/0x710 [ 2450.855980][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.855980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.855980][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.855980][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.855980][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.855980][ T74] [ 2450.858175][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.858175][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2450.858175][ T74] ipv6_find_idev+0x102/0x170 [ 2450.858175][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.858175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.858175][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.858175][ T74] netlink_unicast+0x449/0x710 [ 2450.858175][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.858175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.858175][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.858175][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.858175][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.858175][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.858175][ T74] [ 2450.859891][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2450.859891][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2450.859891][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2450.859891][ T74] ipv6_find_idev+0x102/0x170 [ 2450.859891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.859891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.859891][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.859891][ T74] netlink_unicast+0x449/0x710 [ 2450.859891][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.859891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.859891][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.859891][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.859891][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.859891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.859891][ T74] [ 2450.861787][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2450.862067][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.862067][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.862067][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.862067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.862067][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2450.862067][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2450.862067][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2450.862067][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2450.862067][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2450.862067][ T74] addrconf_dad_begin+0x310/0x670 [ 2450.862067][ T74] addrconf_dad_work+0x10b/0xab0 [ 2450.862067][ T74] process_one_work+0x84d/0x18a0 [ 2450.862067][ T74] worker_thread+0x587/0xd30 [ 2450.862067][ T74] kthread+0x28a/0x350 [ 2450.862067][ T74] ret_from_fork+0x31/0x70 [ 2450.862067][ T74] ret_from_fork_asm+0x1a/0x30 [ 2450.862067][ T74] [ 2450.864220][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.864220][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.864220][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.864220][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.864220][ T74] ip6_route_add+0x1c/0x140 [ 2450.864220][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2450.864220][ T74] inet6_addr_add+0x4f8/0xa40 [ 2450.864220][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.864220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.864220][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.864220][ T74] netlink_unicast+0x449/0x710 [ 2450.864220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.864220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.864220][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.864220][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.864220][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.864220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.864220][ T74] [ 2450.866456][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.866456][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.866456][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.866456][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.866456][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2450.866456][ T74] ipv6_add_addr+0x411/0x2000 [ 2450.866456][ T74] inet6_addr_add+0x30e/0xa40 [ 2450.866456][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.866456][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.866456][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.866456][ T74] netlink_unicast+0x449/0x710 [ 2450.866456][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.866456][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.866456][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.866456][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.866456][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.866456][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.866456][ T74] [ 2450.868695][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.868695][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.868695][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.868695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.868695][ T74] ip6_route_add+0x1c/0x140 [ 2450.868695][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2450.868695][ T74] addrconf_add_dev+0xe2/0x170 [ 2450.868695][ T74] inet6_addr_add+0x12f/0xa40 [ 2450.868695][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.868695][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.868695][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.868695][ T74] netlink_unicast+0x449/0x710 [ 2450.868695][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.868695][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.868695][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.868695][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.868695][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.868695][ T74] [ 2450.870901][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.870901][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2450.870901][ T74] ipv6_find_idev+0x102/0x170 [ 2450.870901][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.870901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.870901][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.870901][ T74] netlink_unicast+0x449/0x710 [ 2450.870901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.870901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.870901][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.870901][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.870901][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.870901][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.870901][ T74] [ 2450.872627][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2450.872627][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2450.872627][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2450.872627][ T74] ipv6_find_idev+0x102/0x170 [ 2450.872627][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.872627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.872627][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.872627][ T74] netlink_unicast+0x449/0x710 [ 2450.872627][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.872627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.872627][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.872627][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.872627][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.872627][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.872627][ T74] [ 2450.874521][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2450.874796][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.874796][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.874796][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.874796][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.874796][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2450.874796][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2450.874796][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2450.874796][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2450.874796][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2450.874796][ T74] addrconf_dad_begin+0x310/0x670 [ 2450.874796][ T74] addrconf_dad_work+0x10b/0xab0 [ 2450.874796][ T74] process_one_work+0x84d/0x18a0 [ 2450.874796][ T74] worker_thread+0x587/0xd30 [ 2450.874796][ T74] kthread+0x28a/0x350 [ 2450.874796][ T74] ret_from_fork+0x31/0x70 [ 2450.874796][ T74] ret_from_fork_asm+0x1a/0x30 [ 2450.874796][ T74] [ 2450.876940][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.876940][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.876940][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.876940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.876940][ T74] ip6_route_add+0x1c/0x140 [ 2450.876940][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2450.876940][ T74] inet6_addr_add+0x4f8/0xa40 [ 2450.876940][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.876940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.876940][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.876940][ T74] netlink_unicast+0x449/0x710 [ 2450.876940][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.876940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.876940][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.876940][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.876940][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.876940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.876940][ T74] [ 2450.879360][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.879360][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.879360][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.879360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.879360][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2450.879360][ T74] ipv6_add_addr+0x411/0x2000 [ 2450.879360][ T74] inet6_addr_add+0x30e/0xa40 [ 2450.879360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.879360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.879360][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.879360][ T74] netlink_unicast+0x449/0x710 [ 2450.879360][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.879360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.879360][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.879360][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.879360][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.879360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.879360][ T74] [ 2450.881926][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.881926][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.881926][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.881926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.881926][ T74] ip6_route_add+0x1c/0x140 [ 2450.881926][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2450.881926][ T74] addrconf_add_dev+0xe2/0x170 [ 2450.881926][ T74] inet6_addr_add+0x12f/0xa40 [ 2450.881926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.881926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.881926][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.881926][ T74] netlink_unicast+0x449/0x710 [ 2450.881926][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.881926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.881926][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.881926][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.881926][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.881926][ T74] [ 2450.884377][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.884377][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2450.884377][ T74] ipv6_find_idev+0x102/0x170 [ 2450.884377][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.884377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.884377][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.884377][ T74] netlink_unicast+0x449/0x710 [ 2450.884377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.884377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.884377][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.884377][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.884377][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.884377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.884377][ T74] [ 2450.886280][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2450.886280][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2450.886280][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2450.886280][ T74] ipv6_find_idev+0x102/0x170 [ 2450.886280][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.886280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.886280][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.886280][ T74] netlink_unicast+0x449/0x710 [ 2450.886280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.886280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.886280][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.886280][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.886280][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.886280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.886280][ T74] [ 2450.888334][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2450.888654][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.888654][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.888654][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.888654][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.888654][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2450.888654][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2450.888654][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2450.888654][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2450.888654][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2450.888654][ T74] addrconf_dad_begin+0x310/0x670 [ 2450.888654][ T74] addrconf_dad_work+0x10b/0xab0 [ 2450.888654][ T74] process_one_work+0x84d/0x18a0 [ 2450.888654][ T74] worker_thread+0x587/0xd30 [ 2450.888654][ T74] kthread+0x28a/0x350 [ 2450.888654][ T74] ret_from_fork+0x31/0x70 [ 2450.888654][ T74] ret_from_fork_asm+0x1a/0x30 [ 2450.888654][ T74] [ 2450.891103][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.891103][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.891103][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.891103][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.891103][ T74] ip6_route_add+0x1c/0x140 [ 2450.891103][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2450.891103][ T74] inet6_addr_add+0x4f8/0xa40 [ 2450.891103][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.891103][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.891103][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.891103][ T74] netlink_unicast+0x449/0x710 [ 2450.891103][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.891103][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.891103][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.891103][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.891103][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.891103][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.891103][ T74] [ 2450.893565][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.893565][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.893565][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.893565][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.893565][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2450.893565][ T74] ipv6_add_addr+0x411/0x2000 [ 2450.893565][ T74] inet6_addr_add+0x30e/0xa40 [ 2450.893565][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.893565][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.893565][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.893565][ T74] netlink_unicast+0x449/0x710 [ 2450.893565][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.893565][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.893565][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.893565][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.893565][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.893565][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.893565][ T74] [ 2450.896062][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.896062][ T74] netdev_get_by_index+0x5e/0x80 [ 2450.896062][ T74] fib6_nh_init+0x3d8/0x1580 [ 2450.896062][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2450.896062][ T74] ip6_route_add+0x1c/0x140 [ 2450.896062][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2450.896062][ T74] addrconf_add_dev+0xe2/0x170 [ 2450.896062][ T74] inet6_addr_add+0x12f/0xa40 [ 2450.896062][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2450.896062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.896062][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.896062][ T74] netlink_unicast+0x449/0x710 [ 2450.896062][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.896062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.896062][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.896062][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.896062][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.896062][ T74] [ 2450.898450][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.898450][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2450.898450][ T74] ipv6_find_idev+0x102/0x170 [ 2450.898450][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.898450][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.898450][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.898450][ T74] netlink_unicast+0x449/0x710 [ 2450.898450][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.898450][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.898450][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.898450][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.898450][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.898450][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.898450][ T74] [ 2450.900361][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2450.900361][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2450.900361][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2450.900361][ T74] ipv6_find_idev+0x102/0x170 [ 2450.900361][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2450.900361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2450.900361][ T74] netlink_rcv_skb+0x130/0x360 [ 2450.900361][ T74] netlink_unicast+0x449/0x710 [ 2450.900361][ T74] netlink_sendmsg+0x723/0xbe0 [ 2450.900361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2450.900361][ T74] ___sys_sendmsg+0xee/0x170 [ 2450.900361][ T74] __sys_sendmsg+0xcd/0x170 [ 2450.900361][ T74] do_syscall_64+0xc6/0x1e0 [ 2450.900361][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2450.900361][ T74] [ 2452.240947][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2452.241419][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2452.241419][T16070] dst_init+0x84/0x4a0 [ 2452.241419][T16070] dst_alloc+0x97/0x150 [ 2452.241419][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.241419][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.241419][T16070] ip6_pol_route+0x56f/0x840 [ 2452.241419][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2452.241419][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2452.241419][T16070] fib6_rule_lookup+0x182/0x630 [ 2452.241419][T16070] ip6_route_output_flags+0x259/0x480 [ 2452.241419][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2452.241419][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2452.241419][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2452.241419][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2452.241419][T16070] ip6_datagram_connect+0x2c/0x50 [ 2452.241419][T16070] __sys_connect+0x217/0x2a0 [ 2452.241419][T16070] __x64_sys_connect+0x72/0xb0 [ 2452.241419][T16070] [ 2452.243722][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2452.243722][T16070] dst_init+0x84/0x4a0 [ 2452.243722][T16070] dst_alloc+0x97/0x150 [ 2452.243722][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.243722][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.243722][T16070] ip6_pol_route+0x56f/0x840 [ 2452.243722][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2452.243722][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2452.243722][T16070] fib6_rule_lookup+0x182/0x630 [ 2452.243722][T16070] ip6_route_output_flags+0x259/0x480 [ 2452.243722][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2452.243722][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2452.243722][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2452.243722][T16070] __inet_stream_connect+0x272/0x9f0 [ 2452.243722][T16070] inet_stream_connect+0x57/0xa0 [ 2452.243722][T16070] __sys_connect+0x217/0x2a0 [ 2452.243722][T16070] __x64_sys_connect+0x72/0xb0 [ 2452.243722][T16070] [ 2452.245984][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.245984][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2452.245984][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2452.245984][T16070] fib6_nh_init+0xa22/0x1580 [ 2452.245984][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.245984][T16070] ip6_route_add+0x1c/0x140 [ 2452.245984][T16070] inet6_rtm_newroute+0x104/0x110 [ 2452.245984][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.245984][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.245984][T16070] netlink_unicast+0x449/0x710 [ 2452.245984][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.245984][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.245984][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.245984][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.245984][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.245984][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.245984][T16070] [ 2452.248097][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.248097][T16070] dst_init+0x84/0x4a0 [ 2452.248097][T16070] dst_alloc+0x97/0x150 [ 2452.248097][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.248097][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.248097][T16070] ip6_pol_route+0x56f/0x840 [ 2452.248097][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2452.248097][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2452.248097][T16070] fib6_rule_lookup+0x182/0x630 [ 2452.248097][T16070] ip6_route_input+0x59c/0xa50 [ 2452.248097][T16070] ipv6_rcv+0x397/0x810 [ 2452.248097][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2452.248097][T16070] process_backlog+0x101/0x620 [ 2452.248097][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2452.248097][T16070] net_rx_action+0x495/0xbe0 [ 2452.248097][T16070] __do_softirq+0x1b5/0x7f6 [ 2452.248097][T16070] [ 2452.250173][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.250173][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.250173][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.250173][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.250173][T16070] ip6_route_add+0x1c/0x140 [ 2452.250173][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2452.250173][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2452.250173][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2452.250173][T16070] addrconf_dad_begin+0x310/0x670 [ 2452.250173][T16070] addrconf_dad_work+0x10b/0xab0 [ 2452.250173][T16070] process_one_work+0x84d/0x18a0 [ 2452.250173][T16070] worker_thread+0x587/0xd30 [ 2452.250173][T16070] kthread+0x28a/0x350 [ 2452.250173][T16070] ret_from_fork+0x31/0x70 [ 2452.250173][T16070] ret_from_fork_asm+0x1a/0x30 [ 2452.250173][T16070] [ 2452.252188][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.252188][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.252188][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.252188][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.252188][T16070] ip6_route_add+0x1c/0x140 [ 2452.252188][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2452.252188][T16070] inet6_addr_add+0x4f8/0xa40 [ 2452.252188][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.252188][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.252188][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.252188][T16070] netlink_unicast+0x449/0x710 [ 2452.252188][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.252188][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.252188][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.252188][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.252188][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.252188][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.252188][T16070] [ 2452.254434][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.254434][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.254434][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.254434][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.254434][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2452.254434][T16070] ipv6_add_addr+0x411/0x2000 [ 2452.254434][T16070] inet6_addr_add+0x30e/0xa40 [ 2452.254434][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.254434][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.254434][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.254434][T16070] netlink_unicast+0x449/0x710 [ 2452.254434][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.254434][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.254434][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.254434][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.254434][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.254434][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.254434][T16070] [ 2452.256712][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.256712][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.256712][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.256712][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.256712][T16070] ip6_route_add+0x1c/0x140 [ 2452.256712][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.256712][T16070] addrconf_add_dev+0xe2/0x170 [ 2452.256712][T16070] inet6_addr_add+0x12f/0xa40 [ 2452.256712][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.256712][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.256712][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.256712][T16070] netlink_unicast+0x449/0x710 [ 2452.256712][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.256712][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.256712][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.256712][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.256712][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.256712][T16070] [ 2452.258913][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.258913][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2452.258913][T16070] ipv6_find_idev+0x102/0x170 [ 2452.258913][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.258913][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.258913][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.258913][T16070] netlink_unicast+0x449/0x710 [ 2452.258913][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.258913][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.258913][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.258913][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.258913][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.258913][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.258913][T16070] [ 2452.261166][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2452.261166][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2452.261166][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2452.261166][T16070] ipv6_find_idev+0x102/0x170 [ 2452.261166][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.261166][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.261166][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.261166][T16070] netlink_unicast+0x449/0x710 [ 2452.261166][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.261166][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.261166][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.261166][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.261166][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.261166][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.261166][T16070] [ 2452.263055][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2452.263358][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2452.263358][T16070] dst_init+0x84/0x4a0 [ 2452.263358][T16070] dst_alloc+0x97/0x150 [ 2452.263358][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.263358][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.263358][T16070] ip6_pol_route+0x56f/0x840 [ 2452.263358][T16070] fib6_rule_lookup+0x334/0x630 [ 2452.263358][T16070] ip6_route_output_flags+0x259/0x480 [ 2452.263358][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2452.263358][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2452.263358][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2452.263358][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2452.263358][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2452.263358][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.263358][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.263358][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.263358][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.263358][T16070] [ 2452.265601][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.265601][T16070] dst_init+0x84/0x4a0 [ 2452.265601][T16070] dst_alloc+0x97/0x150 [ 2452.265601][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.265601][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.265601][T16070] ip6_pol_route+0x56f/0x840 [ 2452.265601][T16070] fib6_rule_lookup+0x334/0x630 [ 2452.265601][T16070] ip6_route_output_flags+0x259/0x480 [ 2452.265601][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2452.265601][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2452.265601][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2452.265601][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2452.265601][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2452.265601][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2452.265601][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2452.265601][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2452.265601][T16070] ip6_input_finish+0x120/0x260 [ 2452.265601][T16070] [ 2452.267868][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.267868][T16070] dst_init+0x84/0x4a0 [ 2452.267868][T16070] dst_alloc+0x97/0x150 [ 2452.267868][T16070] ip6_dst_alloc+0x23/0x90 [ 2452.267868][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2452.267868][T16070] ip6_pol_route+0x56f/0x840 [ 2452.267868][T16070] fib6_rule_lookup+0x456/0x630 [ 2452.267868][T16070] ip6_route_input+0x59c/0xa50 [ 2452.267868][T16070] ipv6_rcv+0x397/0x810 [ 2452.267868][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2452.267868][T16070] process_backlog+0x101/0x620 [ 2452.267868][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2452.267868][T16070] net_rx_action+0x495/0xbe0 [ 2452.267868][T16070] __do_softirq+0x1b5/0x7f6 [ 2452.267868][T16070] [ 2452.269706][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.269706][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.269706][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.269706][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.269706][T16070] ip6_route_add+0x1c/0x140 [ 2452.269706][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2452.269706][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2452.269706][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2452.269706][T16070] addrconf_dad_begin+0x310/0x670 [ 2452.269706][T16070] addrconf_dad_work+0x10b/0xab0 [ 2452.269706][T16070] process_one_work+0x84d/0x18a0 [ 2452.269706][T16070] worker_thread+0x587/0xd30 [ 2452.269706][T16070] kthread+0x28a/0x350 [ 2452.269706][T16070] ret_from_fork+0x31/0x70 [ 2452.269706][T16070] ret_from_fork_asm+0x1a/0x30 [ 2452.269706][T16070] [ 2452.271944][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.271944][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.271944][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.271944][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.271944][T16070] ip6_route_add+0x1c/0x140 [ 2452.271944][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2452.271944][T16070] inet6_addr_add+0x4f8/0xa40 [ 2452.271944][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.271944][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.271944][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.271944][T16070] netlink_unicast+0x449/0x710 [ 2452.271944][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.271944][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.271944][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.271944][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.271944][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.271944][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.271944][T16070] [ 2452.274493][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.274493][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.274493][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.274493][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.274493][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2452.274493][T16070] ipv6_add_addr+0x411/0x2000 [ 2452.274493][T16070] inet6_addr_add+0x30e/0xa40 [ 2452.274493][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.274493][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.274493][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.274493][T16070] netlink_unicast+0x449/0x710 [ 2452.274493][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.274493][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.274493][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.274493][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.274493][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.274493][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.274493][T16070] [ 2452.277056][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.277056][T16070] netdev_get_by_index+0x5e/0x80 [ 2452.277056][T16070] fib6_nh_init+0x3d8/0x1580 [ 2452.277056][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2452.277056][T16070] ip6_route_add+0x1c/0x140 [ 2452.277056][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2452.277056][T16070] addrconf_add_dev+0xe2/0x170 [ 2452.277056][T16070] inet6_addr_add+0x12f/0xa40 [ 2452.277056][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2452.277056][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.277056][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.277056][T16070] netlink_unicast+0x449/0x710 [ 2452.277056][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.277056][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.277056][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.277056][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.277056][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.277056][T16070] [ 2452.279496][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.279496][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2452.279496][T16070] ipv6_find_idev+0x102/0x170 [ 2452.279496][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.279496][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.279496][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.279496][T16070] netlink_unicast+0x449/0x710 [ 2452.279496][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.279496][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.279496][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.279496][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.279496][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.279496][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.279496][T16070] [ 2452.281545][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2452.281545][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2452.281545][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2452.281545][T16070] ipv6_find_idev+0x102/0x170 [ 2452.281545][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2452.281545][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2452.281545][T16070] netlink_rcv_skb+0x130/0x360 [ 2452.281545][T16070] netlink_unicast+0x449/0x710 [ 2452.281545][T16070] netlink_sendmsg+0x723/0xbe0 [ 2452.281545][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2452.281545][T16070] ___sys_sendmsg+0xee/0x170 [ 2452.281545][T16070] __sys_sendmsg+0xcd/0x170 [ 2452.281545][T16070] do_syscall_64+0xc6/0x1e0 [ 2452.281545][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2452.281545][T16070] [ 2461.008934][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2461.009334][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.009334][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.009334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.009334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.009334][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.009334][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.009334][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.009334][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.009334][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.009334][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.009334][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.009334][ T74] process_one_work+0x84d/0x18a0 [ 2461.009334][ T74] worker_thread+0x587/0xd30 [ 2461.009334][ T74] kthread+0x28a/0x350 [ 2461.009334][ T74] ret_from_fork+0x31/0x70 [ 2461.009334][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.009334][ T74] [ 2461.011279][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.011279][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.011279][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.011279][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.011279][ T74] ip6_route_add+0x1c/0x140 [ 2461.011279][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.011279][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.011279][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.011279][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.011279][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.011279][ T74] netlink_unicast+0x449/0x710 [ 2461.011279][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.011279][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.011279][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.011279][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.011279][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.011279][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.011279][ T74] [ 2461.013281][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.013281][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.013281][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.013281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.013281][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.013281][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.013281][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.013281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.013281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.013281][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.013281][ T74] netlink_unicast+0x449/0x710 [ 2461.013281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.013281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.013281][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.013281][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.013281][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.013281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.013281][ T74] [ 2461.015285][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.015285][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.015285][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.015285][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.015285][ T74] ip6_route_add+0x1c/0x140 [ 2461.015285][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.015285][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.015285][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.015285][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.015285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.015285][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.015285][ T74] netlink_unicast+0x449/0x710 [ 2461.015285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.015285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.015285][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.015285][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.015285][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.015285][ T74] [ 2461.017238][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.017238][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.017238][ T74] ipv6_find_idev+0x102/0x170 [ 2461.017238][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.017238][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.017238][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.017238][ T74] netlink_unicast+0x449/0x710 [ 2461.017238][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.017238][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.017238][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.017238][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.017238][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.017238][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.017238][ T74] [ 2461.018788][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2461.018788][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.018788][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.018788][ T74] ipv6_find_idev+0x102/0x170 [ 2461.018788][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.018788][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.018788][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.018788][ T74] netlink_unicast+0x449/0x710 [ 2461.018788][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.018788][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.018788][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.018788][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.018788][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.018788][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.018788][ T74] [ 2461.020480][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2461.020725][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.020725][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.020725][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.020725][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.020725][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.020725][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.020725][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.020725][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.020725][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.020725][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.020725][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.020725][ T74] process_one_work+0x84d/0x18a0 [ 2461.020725][ T74] worker_thread+0x587/0xd30 [ 2461.020725][ T74] kthread+0x28a/0x350 [ 2461.020725][ T74] ret_from_fork+0x31/0x70 [ 2461.020725][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.020725][ T74] [ 2461.022634][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.022634][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.022634][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.022634][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.022634][ T74] ip6_route_add+0x1c/0x140 [ 2461.022634][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.022634][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.022634][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.022634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.022634][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.022634][ T74] netlink_unicast+0x449/0x710 [ 2461.022634][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.022634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.022634][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.022634][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.022634][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.022634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.022634][ T74] [ 2461.024625][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.024625][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.024625][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.024625][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.024625][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.024625][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.024625][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.024625][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.024625][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.024625][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.024625][ T74] netlink_unicast+0x449/0x710 [ 2461.024625][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.024625][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.024625][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.024625][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.024625][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.024625][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.024625][ T74] [ 2461.026607][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.026607][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.026607][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.026607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.026607][ T74] ip6_route_add+0x1c/0x140 [ 2461.026607][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.026607][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.026607][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.026607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.026607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.026607][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.026607][ T74] netlink_unicast+0x449/0x710 [ 2461.026607][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.026607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.026607][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.026607][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.026607][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.026607][ T74] [ 2461.028551][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.028551][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.028551][ T74] ipv6_find_idev+0x102/0x170 [ 2461.028551][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.028551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.028551][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.028551][ T74] netlink_unicast+0x449/0x710 [ 2461.028551][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.028551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.028551][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.028551][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.028551][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.028551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.028551][ T74] [ 2461.030096][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2461.030096][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.030096][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.030096][ T74] ipv6_find_idev+0x102/0x170 [ 2461.030096][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.030096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.030096][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.030096][ T74] netlink_unicast+0x449/0x710 [ 2461.030096][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.030096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.030096][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.030096][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.030096][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.030096][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.030096][ T74] [ 2461.031768][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2461.032011][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.032011][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.032011][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.032011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.032011][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.032011][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.032011][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.032011][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.032011][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.032011][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.032011][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.032011][ T74] process_one_work+0x84d/0x18a0 [ 2461.032011][ T74] worker_thread+0x587/0xd30 [ 2461.032011][ T74] kthread+0x28a/0x350 [ 2461.032011][ T74] ret_from_fork+0x31/0x70 [ 2461.032011][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.032011][ T74] [ 2461.033917][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.033917][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.033917][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.033917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.033917][ T74] ip6_route_add+0x1c/0x140 [ 2461.033917][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.033917][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.033917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.033917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.033917][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.033917][ T74] netlink_unicast+0x449/0x710 [ 2461.033917][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.033917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.033917][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.033917][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.033917][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.033917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.033917][ T74] [ 2461.036106][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.036106][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.036106][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.036106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.036106][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.036106][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.036106][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.036106][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.036106][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.036106][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.036106][ T74] netlink_unicast+0x449/0x710 [ 2461.036106][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.036106][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.036106][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.036106][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.036106][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.036106][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.036106][ T74] [ 2461.038407][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.038407][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.038407][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.038407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.038407][ T74] ip6_route_add+0x1c/0x140 [ 2461.038407][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.038407][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.038407][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.038407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.038407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.038407][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.038407][ T74] netlink_unicast+0x449/0x710 [ 2461.038407][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.038407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.038407][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.038407][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.038407][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.038407][ T74] [ 2461.040609][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.040609][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.040609][ T74] ipv6_find_idev+0x102/0x170 [ 2461.040609][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.040609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.040609][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.040609][ T74] netlink_unicast+0x449/0x710 [ 2461.040609][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.040609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.040609][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.040609][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.040609][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.040609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.040609][ T74] [ 2461.042344][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2461.042344][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.042344][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.042344][ T74] ipv6_find_idev+0x102/0x170 [ 2461.042344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.042344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.042344][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.042344][ T74] netlink_unicast+0x449/0x710 [ 2461.042344][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.042344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.042344][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.042344][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.042344][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.042344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.042344][ T74] [ 2461.044216][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2461.044454][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.044454][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.044454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.044454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.044454][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2461.044454][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2461.044454][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2461.044454][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2461.044454][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2461.044454][ T74] addrconf_dad_begin+0x310/0x670 [ 2461.044454][ T74] addrconf_dad_work+0x10b/0xab0 [ 2461.044454][ T74] process_one_work+0x84d/0x18a0 [ 2461.044454][ T74] worker_thread+0x587/0xd30 [ 2461.044454][ T74] kthread+0x28a/0x350 [ 2461.044454][ T74] ret_from_fork+0x31/0x70 [ 2461.044454][ T74] ret_from_fork_asm+0x1a/0x30 [ 2461.044454][ T74] [ 2461.046541][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.046541][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.046541][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.046541][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.046541][ T74] ip6_route_add+0x1c/0x140 [ 2461.046541][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2461.046541][ T74] inet6_addr_add+0x4f8/0xa40 [ 2461.046541][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.046541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.046541][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.046541][ T74] netlink_unicast+0x449/0x710 [ 2461.046541][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.046541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.046541][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.046541][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.046541][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.046541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.046541][ T74] [ 2461.048831][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.048831][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.048831][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.048831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.048831][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2461.048831][ T74] ipv6_add_addr+0x411/0x2000 [ 2461.048831][ T74] inet6_addr_add+0x30e/0xa40 [ 2461.048831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.048831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.048831][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.048831][ T74] netlink_unicast+0x449/0x710 [ 2461.048831][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.048831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.048831][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.048831][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.048831][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.048831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.048831][ T74] [ 2461.051070][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.051070][ T74] netdev_get_by_index+0x5e/0x80 [ 2461.051070][ T74] fib6_nh_init+0x3d8/0x1580 [ 2461.051070][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2461.051070][ T74] ip6_route_add+0x1c/0x140 [ 2461.051070][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2461.051070][ T74] addrconf_add_dev+0xe2/0x170 [ 2461.051070][ T74] inet6_addr_add+0x12f/0xa40 [ 2461.051070][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2461.051070][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.051070][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.051070][ T74] netlink_unicast+0x449/0x710 [ 2461.051070][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.051070][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.051070][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.051070][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.051070][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.051070][ T74] [ 2461.053222][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.053222][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2461.053222][ T74] ipv6_find_idev+0x102/0x170 [ 2461.053222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.053222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.053222][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.053222][ T74] netlink_unicast+0x449/0x710 [ 2461.053222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.053222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.053222][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.053222][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.053222][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.053222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.053222][ T74] [ 2461.054940][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2461.054940][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2461.054940][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2461.054940][ T74] ipv6_find_idev+0x102/0x170 [ 2461.054940][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2461.054940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2461.054940][ T74] netlink_rcv_skb+0x130/0x360 [ 2461.054940][ T74] netlink_unicast+0x449/0x710 [ 2461.054940][ T74] netlink_sendmsg+0x723/0xbe0 [ 2461.054940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2461.054940][ T74] ___sys_sendmsg+0xee/0x170 [ 2461.054940][ T74] __sys_sendmsg+0xcd/0x170 [ 2461.054940][ T74] do_syscall_64+0xc6/0x1e0 [ 2461.054940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2461.054940][ T74] [ 2462.288984][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2462.289491][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2462.289491][T16070] dst_init+0x84/0x4a0 [ 2462.289491][T16070] dst_alloc+0x97/0x150 [ 2462.289491][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.289491][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.289491][T16070] ip6_pol_route+0x56f/0x840 [ 2462.289491][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2462.289491][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2462.289491][T16070] fib6_rule_lookup+0x182/0x630 [ 2462.289491][T16070] ip6_route_output_flags+0x259/0x480 [ 2462.289491][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2462.289491][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2462.289491][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2462.289491][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2462.289491][T16070] ip6_datagram_connect+0x2c/0x50 [ 2462.289491][T16070] __sys_connect+0x217/0x2a0 [ 2462.289491][T16070] __x64_sys_connect+0x72/0xb0 [ 2462.289491][T16070] [ 2462.292049][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2462.292049][T16070] dst_init+0x84/0x4a0 [ 2462.292049][T16070] dst_alloc+0x97/0x150 [ 2462.292049][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.292049][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.292049][T16070] ip6_pol_route+0x56f/0x840 [ 2462.292049][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2462.292049][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2462.292049][T16070] fib6_rule_lookup+0x182/0x630 [ 2462.292049][T16070] ip6_route_output_flags+0x259/0x480 [ 2462.292049][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2462.292049][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2462.292049][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2462.292049][T16070] __inet_stream_connect+0x272/0x9f0 [ 2462.292049][T16070] inet_stream_connect+0x57/0xa0 [ 2462.292049][T16070] __sys_connect+0x217/0x2a0 [ 2462.292049][T16070] __x64_sys_connect+0x72/0xb0 [ 2462.292049][T16070] [ 2462.294559][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.294559][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2462.294559][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2462.294559][T16070] fib6_nh_init+0xa22/0x1580 [ 2462.294559][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.294559][T16070] ip6_route_add+0x1c/0x140 [ 2462.294559][T16070] inet6_rtm_newroute+0x104/0x110 [ 2462.294559][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.294559][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.294559][T16070] netlink_unicast+0x449/0x710 [ 2462.294559][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.294559][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.294559][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.294559][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.294559][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.294559][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.294559][T16070] [ 2462.296910][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.296910][T16070] dst_init+0x84/0x4a0 [ 2462.296910][T16070] dst_alloc+0x97/0x150 [ 2462.296910][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.296910][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.296910][T16070] ip6_pol_route+0x56f/0x840 [ 2462.296910][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2462.296910][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2462.296910][T16070] fib6_rule_lookup+0x182/0x630 [ 2462.296910][T16070] ip6_route_input+0x59c/0xa50 [ 2462.296910][T16070] ipv6_rcv+0x397/0x810 [ 2462.296910][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2462.296910][T16070] process_backlog+0x101/0x620 [ 2462.296910][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2462.296910][T16070] net_rx_action+0x495/0xbe0 [ 2462.296910][T16070] __do_softirq+0x1b5/0x7f6 [ 2462.296910][T16070] [ 2462.299226][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.299226][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.299226][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.299226][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.299226][T16070] ip6_route_add+0x1c/0x140 [ 2462.299226][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2462.299226][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2462.299226][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2462.299226][T16070] addrconf_dad_begin+0x310/0x670 [ 2462.299226][T16070] addrconf_dad_work+0x10b/0xab0 [ 2462.299226][T16070] process_one_work+0x84d/0x18a0 [ 2462.299226][T16070] worker_thread+0x587/0xd30 [ 2462.299226][T16070] kthread+0x28a/0x350 [ 2462.299226][T16070] ret_from_fork+0x31/0x70 [ 2462.299226][T16070] ret_from_fork_asm+0x1a/0x30 [ 2462.299226][T16070] [ 2462.301997][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.301997][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.301997][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.301997][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.301997][T16070] ip6_route_add+0x1c/0x140 [ 2462.301997][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2462.301997][T16070] inet6_addr_add+0x4f8/0xa40 [ 2462.301997][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.301997][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.301997][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.301997][T16070] netlink_unicast+0x449/0x710 [ 2462.301997][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.301997][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.301997][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.301997][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.301997][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.301997][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.301997][T16070] [ 2462.304489][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.304489][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.304489][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.304489][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.304489][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2462.304489][T16070] ipv6_add_addr+0x411/0x2000 [ 2462.304489][T16070] inet6_addr_add+0x30e/0xa40 [ 2462.304489][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.304489][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.304489][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.304489][T16070] netlink_unicast+0x449/0x710 [ 2462.304489][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.304489][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.304489][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.304489][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.304489][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.304489][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.304489][T16070] [ 2462.306993][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.306993][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.306993][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.306993][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.306993][T16070] ip6_route_add+0x1c/0x140 [ 2462.306993][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.306993][T16070] addrconf_add_dev+0xe2/0x170 [ 2462.306993][T16070] inet6_addr_add+0x12f/0xa40 [ 2462.306993][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.306993][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.306993][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.306993][T16070] netlink_unicast+0x449/0x710 [ 2462.306993][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.306993][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.306993][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.306993][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.306993][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.306993][T16070] [ 2462.309458][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.309458][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2462.309458][T16070] ipv6_find_idev+0x102/0x170 [ 2462.309458][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.309458][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.309458][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.309458][T16070] netlink_unicast+0x449/0x710 [ 2462.309458][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.309458][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.309458][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.309458][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.309458][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.309458][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.309458][T16070] [ 2462.311383][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2462.311383][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2462.311383][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2462.311383][T16070] ipv6_find_idev+0x102/0x170 [ 2462.311383][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.311383][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.311383][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.311383][T16070] netlink_unicast+0x449/0x710 [ 2462.311383][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.311383][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.311383][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.311383][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.311383][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.311383][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.311383][T16070] [ 2462.313496][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2462.313835][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2462.313835][T16070] dst_init+0x84/0x4a0 [ 2462.313835][T16070] dst_alloc+0x97/0x150 [ 2462.313835][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.313835][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.313835][T16070] ip6_pol_route+0x56f/0x840 [ 2462.313835][T16070] fib6_rule_lookup+0x334/0x630 [ 2462.313835][T16070] ip6_route_output_flags+0x259/0x480 [ 2462.313835][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2462.313835][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2462.313835][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2462.313835][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2462.313835][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2462.313835][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.313835][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.313835][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.313835][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.313835][T16070] [ 2462.316341][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.316341][T16070] dst_init+0x84/0x4a0 [ 2462.316341][T16070] dst_alloc+0x97/0x150 [ 2462.316341][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.316341][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.316341][T16070] ip6_pol_route+0x56f/0x840 [ 2462.316341][T16070] fib6_rule_lookup+0x334/0x630 [ 2462.316341][T16070] ip6_route_output_flags+0x259/0x480 [ 2462.316341][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2462.316341][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2462.316341][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2462.316341][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2462.316341][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2462.316341][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2462.316341][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2462.316341][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2462.316341][T16070] ip6_input_finish+0x120/0x260 [ 2462.316341][T16070] [ 2462.318858][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.318858][T16070] dst_init+0x84/0x4a0 [ 2462.318858][T16070] dst_alloc+0x97/0x150 [ 2462.318858][T16070] ip6_dst_alloc+0x23/0x90 [ 2462.318858][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2462.318858][T16070] ip6_pol_route+0x56f/0x840 [ 2462.318858][T16070] fib6_rule_lookup+0x456/0x630 [ 2462.318858][T16070] ip6_route_input+0x59c/0xa50 [ 2462.318858][T16070] ipv6_rcv+0x397/0x810 [ 2462.318858][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2462.318858][T16070] process_backlog+0x101/0x620 [ 2462.318858][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2462.318858][T16070] net_rx_action+0x495/0xbe0 [ 2462.318858][T16070] __do_softirq+0x1b5/0x7f6 [ 2462.318858][T16070] [ 2462.320898][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.320898][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.320898][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.320898][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.320898][T16070] ip6_route_add+0x1c/0x140 [ 2462.320898][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2462.320898][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2462.320898][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2462.320898][T16070] addrconf_dad_begin+0x310/0x670 [ 2462.320898][T16070] addrconf_dad_work+0x10b/0xab0 [ 2462.320898][T16070] process_one_work+0x84d/0x18a0 [ 2462.320898][T16070] worker_thread+0x587/0xd30 [ 2462.320898][T16070] kthread+0x28a/0x350 [ 2462.320898][T16070] ret_from_fork+0x31/0x70 [ 2462.320898][T16070] ret_from_fork_asm+0x1a/0x30 [ 2462.320898][T16070] [ 2462.323746][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.323746][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.323746][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.323746][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.323746][T16070] ip6_route_add+0x1c/0x140 [ 2462.323746][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2462.323746][T16070] inet6_addr_add+0x4f8/0xa40 [ 2462.323746][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.323746][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.323746][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.323746][T16070] netlink_unicast+0x449/0x710 [ 2462.323746][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.323746][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.323746][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.323746][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.323746][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.323746][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.323746][T16070] [ 2462.326497][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.326497][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.326497][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.326497][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.326497][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2462.326497][T16070] ipv6_add_addr+0x411/0x2000 [ 2462.326497][T16070] inet6_addr_add+0x30e/0xa40 [ 2462.326497][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.326497][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.326497][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.326497][T16070] netlink_unicast+0x449/0x710 [ 2462.326497][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.326497][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.326497][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.326497][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.326497][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.326497][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.326497][T16070] [ 2462.329302][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.329302][T16070] netdev_get_by_index+0x5e/0x80 [ 2462.329302][T16070] fib6_nh_init+0x3d8/0x1580 [ 2462.329302][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2462.329302][T16070] ip6_route_add+0x1c/0x140 [ 2462.329302][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2462.329302][T16070] addrconf_add_dev+0xe2/0x170 [ 2462.329302][T16070] inet6_addr_add+0x12f/0xa40 [ 2462.329302][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2462.329302][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.329302][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.329302][T16070] netlink_unicast+0x449/0x710 [ 2462.329302][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.329302][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.329302][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.329302][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.329302][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.329302][T16070] [ 2462.332004][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.332004][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2462.332004][T16070] ipv6_find_idev+0x102/0x170 [ 2462.332004][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.332004][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.332004][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.332004][T16070] netlink_unicast+0x449/0x710 [ 2462.332004][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.332004][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.332004][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.332004][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.332004][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.332004][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.332004][T16070] [ 2462.334063][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2462.334063][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2462.334063][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2462.334063][T16070] ipv6_find_idev+0x102/0x170 [ 2462.334063][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2462.334063][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2462.334063][T16070] netlink_rcv_skb+0x130/0x360 [ 2462.334063][T16070] netlink_unicast+0x449/0x710 [ 2462.334063][T16070] netlink_sendmsg+0x723/0xbe0 [ 2462.334063][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2462.334063][T16070] ___sys_sendmsg+0xee/0x170 [ 2462.334063][T16070] __sys_sendmsg+0xcd/0x170 [ 2462.334063][T16070] do_syscall_64+0xc6/0x1e0 [ 2462.334063][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2462.334063][T16070] [ 2471.304937][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2471.305354][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.305354][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.305354][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.305354][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.305354][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.305354][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.305354][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.305354][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.305354][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.305354][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.305354][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.305354][ T74] process_one_work+0x84d/0x18a0 [ 2471.305354][ T74] worker_thread+0x587/0xd30 [ 2471.305354][ T74] kthread+0x28a/0x350 [ 2471.305354][ T74] ret_from_fork+0x31/0x70 [ 2471.305354][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.305354][ T74] [ 2471.307286][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.307286][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.307286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.307286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.307286][ T74] ip6_route_add+0x1c/0x140 [ 2471.307286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.307286][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.307286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.307286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.307286][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.307286][ T74] netlink_unicast+0x449/0x710 [ 2471.307286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.307286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.307286][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.307286][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.307286][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.307286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.307286][ T74] [ 2471.309290][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.309290][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.309290][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.309290][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.309290][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.309290][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.309290][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.309290][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.309290][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.309290][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.309290][ T74] netlink_unicast+0x449/0x710 [ 2471.309290][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.309290][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.309290][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.309290][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.309290][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.309290][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.309290][ T74] [ 2471.311291][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.311291][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.311291][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.311291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.311291][ T74] ip6_route_add+0x1c/0x140 [ 2471.311291][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.311291][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.311291][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.311291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.311291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.311291][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.311291][ T74] netlink_unicast+0x449/0x710 [ 2471.311291][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.311291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.311291][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.311291][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.311291][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.311291][ T74] [ 2471.313250][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.313250][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.313250][ T74] ipv6_find_idev+0x102/0x170 [ 2471.313250][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.313250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.313250][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.313250][ T74] netlink_unicast+0x449/0x710 [ 2471.313250][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.313250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.313250][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.313250][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.313250][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.313250][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.313250][ T74] [ 2471.315309][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2471.315309][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.315309][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.315309][ T74] ipv6_find_idev+0x102/0x170 [ 2471.315309][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.315309][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.315309][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.315309][ T74] netlink_unicast+0x449/0x710 [ 2471.315309][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.315309][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.315309][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.315309][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.315309][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.315309][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.315309][ T74] [ 2471.317368][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2471.317609][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.317609][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.317609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.317609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.317609][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.317609][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.317609][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.317609][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.317609][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.317609][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.317609][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.317609][ T74] process_one_work+0x84d/0x18a0 [ 2471.317609][ T74] worker_thread+0x587/0xd30 [ 2471.317609][ T74] kthread+0x28a/0x350 [ 2471.317609][ T74] ret_from_fork+0x31/0x70 [ 2471.317609][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.317609][ T74] [ 2471.319516][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.319516][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.319516][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.319516][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.319516][ T74] ip6_route_add+0x1c/0x140 [ 2471.319516][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.319516][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.319516][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.319516][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.319516][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.319516][ T74] netlink_unicast+0x449/0x710 [ 2471.319516][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.319516][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.319516][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.319516][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.319516][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.319516][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.319516][ T74] [ 2471.321893][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.321893][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.321893][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.321893][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.321893][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.321893][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.321893][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.321893][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.321893][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.321893][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.321893][ T74] netlink_unicast+0x449/0x710 [ 2471.321893][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.321893][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.321893][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.321893][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.321893][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.321893][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.321893][ T74] [ 2471.323887][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.323887][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.323887][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.323887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.323887][ T74] ip6_route_add+0x1c/0x140 [ 2471.323887][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.323887][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.323887][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.323887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.323887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.323887][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.323887][ T74] netlink_unicast+0x449/0x710 [ 2471.323887][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.323887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.323887][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.323887][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.323887][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.323887][ T74] [ 2471.325841][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.325841][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.325841][ T74] ipv6_find_idev+0x102/0x170 [ 2471.325841][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.325841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.325841][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.325841][ T74] netlink_unicast+0x449/0x710 [ 2471.325841][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.325841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.325841][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.325841][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.325841][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.325841][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.325841][ T74] [ 2471.327399][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2471.327399][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.327399][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.327399][ T74] ipv6_find_idev+0x102/0x170 [ 2471.327399][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.327399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.327399][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.327399][ T74] netlink_unicast+0x449/0x710 [ 2471.327399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.327399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.327399][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.327399][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.327399][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.327399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.327399][ T74] [ 2471.329076][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2471.329313][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.329313][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.329313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.329313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.329313][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.329313][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.329313][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.329313][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.329313][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.329313][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.329313][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.329313][ T74] process_one_work+0x84d/0x18a0 [ 2471.329313][ T74] worker_thread+0x587/0xd30 [ 2471.329313][ T74] kthread+0x28a/0x350 [ 2471.329313][ T74] ret_from_fork+0x31/0x70 [ 2471.329313][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.329313][ T74] [ 2471.331230][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.331230][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.331230][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.331230][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.331230][ T74] ip6_route_add+0x1c/0x140 [ 2471.331230][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.331230][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.331230][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.331230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.331230][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.331230][ T74] netlink_unicast+0x449/0x710 [ 2471.331230][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.331230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.331230][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.331230][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.331230][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.331230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.331230][ T74] [ 2471.333405][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.333405][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.333405][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.333405][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.333405][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.333405][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.333405][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.333405][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.333405][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.333405][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.333405][ T74] netlink_unicast+0x449/0x710 [ 2471.333405][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.333405][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.333405][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.333405][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.333405][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.333405][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.333405][ T74] [ 2471.335714][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.335714][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.335714][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.335714][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.335714][ T74] ip6_route_add+0x1c/0x140 [ 2471.335714][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.335714][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.335714][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.335714][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.335714][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.335714][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.335714][ T74] netlink_unicast+0x449/0x710 [ 2471.335714][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.335714][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.335714][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.335714][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.335714][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.335714][ T74] [ 2471.337920][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.337920][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.337920][ T74] ipv6_find_idev+0x102/0x170 [ 2471.337920][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.337920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.337920][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.337920][ T74] netlink_unicast+0x449/0x710 [ 2471.337920][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.337920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.337920][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.337920][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.337920][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.337920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.337920][ T74] [ 2471.339638][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2471.339638][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.339638][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.339638][ T74] ipv6_find_idev+0x102/0x170 [ 2471.339638][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.339638][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.339638][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.339638][ T74] netlink_unicast+0x449/0x710 [ 2471.339638][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.339638][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.339638][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.339638][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.339638][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.339638][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.339638][ T74] [ 2471.341499][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2471.341793][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.341793][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.341793][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.341793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.341793][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2471.341793][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2471.341793][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2471.341793][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2471.341793][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2471.341793][ T74] addrconf_dad_begin+0x310/0x670 [ 2471.341793][ T74] addrconf_dad_work+0x10b/0xab0 [ 2471.341793][ T74] process_one_work+0x84d/0x18a0 [ 2471.341793][ T74] worker_thread+0x587/0xd30 [ 2471.341793][ T74] kthread+0x28a/0x350 [ 2471.341793][ T74] ret_from_fork+0x31/0x70 [ 2471.341793][ T74] ret_from_fork_asm+0x1a/0x30 [ 2471.341793][ T74] [ 2471.343874][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.343874][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.343874][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.343874][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.343874][ T74] ip6_route_add+0x1c/0x140 [ 2471.343874][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2471.343874][ T74] inet6_addr_add+0x4f8/0xa40 [ 2471.343874][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.343874][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.343874][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.343874][ T74] netlink_unicast+0x449/0x710 [ 2471.343874][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.343874][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.343874][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.343874][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.343874][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.343874][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.343874][ T74] [ 2471.346177][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.346177][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.346177][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.346177][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.346177][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2471.346177][ T74] ipv6_add_addr+0x411/0x2000 [ 2471.346177][ T74] inet6_addr_add+0x30e/0xa40 [ 2471.346177][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.346177][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.346177][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.346177][ T74] netlink_unicast+0x449/0x710 [ 2471.346177][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.346177][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.346177][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.346177][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.346177][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.346177][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.346177][ T74] [ 2471.348415][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.348415][ T74] netdev_get_by_index+0x5e/0x80 [ 2471.348415][ T74] fib6_nh_init+0x3d8/0x1580 [ 2471.348415][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2471.348415][ T74] ip6_route_add+0x1c/0x140 [ 2471.348415][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2471.348415][ T74] addrconf_add_dev+0xe2/0x170 [ 2471.348415][ T74] inet6_addr_add+0x12f/0xa40 [ 2471.348415][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2471.348415][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.348415][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.348415][ T74] netlink_unicast+0x449/0x710 [ 2471.348415][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.348415][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.348415][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.348415][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.348415][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.348415][ T74] [ 2471.350558][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.350558][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2471.350558][ T74] ipv6_find_idev+0x102/0x170 [ 2471.350558][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.350558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.350558][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.350558][ T74] netlink_unicast+0x449/0x710 [ 2471.350558][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.350558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.350558][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.350558][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.350558][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.350558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.350558][ T74] [ 2471.352274][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2471.352274][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2471.352274][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2471.352274][ T74] ipv6_find_idev+0x102/0x170 [ 2471.352274][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2471.352274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2471.352274][ T74] netlink_rcv_skb+0x130/0x360 [ 2471.352274][ T74] netlink_unicast+0x449/0x710 [ 2471.352274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2471.352274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2471.352274][ T74] ___sys_sendmsg+0xee/0x170 [ 2471.352274][ T74] __sys_sendmsg+0xcd/0x170 [ 2471.352274][ T74] do_syscall_64+0xc6/0x1e0 [ 2471.352274][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2471.352274][ T74] [ 2472.337024][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2472.337544][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2472.337544][T16070] dst_init+0x84/0x4a0 [ 2472.337544][T16070] dst_alloc+0x97/0x150 [ 2472.337544][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.337544][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.337544][T16070] ip6_pol_route+0x56f/0x840 [ 2472.337544][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2472.337544][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2472.337544][T16070] fib6_rule_lookup+0x182/0x630 [ 2472.337544][T16070] ip6_route_output_flags+0x259/0x480 [ 2472.337544][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2472.337544][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2472.337544][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2472.337544][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2472.337544][T16070] ip6_datagram_connect+0x2c/0x50 [ 2472.337544][T16070] __sys_connect+0x217/0x2a0 [ 2472.337544][T16070] __x64_sys_connect+0x72/0xb0 [ 2472.337544][T16070] [ 2472.340088][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2472.340088][T16070] dst_init+0x84/0x4a0 [ 2472.340088][T16070] dst_alloc+0x97/0x150 [ 2472.340088][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.340088][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.340088][T16070] ip6_pol_route+0x56f/0x840 [ 2472.340088][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2472.340088][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2472.340088][T16070] fib6_rule_lookup+0x182/0x630 [ 2472.340088][T16070] ip6_route_output_flags+0x259/0x480 [ 2472.340088][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2472.340088][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2472.340088][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2472.340088][T16070] __inet_stream_connect+0x272/0x9f0 [ 2472.340088][T16070] inet_stream_connect+0x57/0xa0 [ 2472.340088][T16070] __sys_connect+0x217/0x2a0 [ 2472.340088][T16070] __x64_sys_connect+0x72/0xb0 [ 2472.340088][T16070] [ 2472.342611][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.342611][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2472.342611][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2472.342611][T16070] fib6_nh_init+0xa22/0x1580 [ 2472.342611][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.342611][T16070] ip6_route_add+0x1c/0x140 [ 2472.342611][T16070] inet6_rtm_newroute+0x104/0x110 [ 2472.342611][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.342611][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.342611][T16070] netlink_unicast+0x449/0x710 [ 2472.342611][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.342611][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.342611][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.342611][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.342611][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.342611][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.342611][T16070] [ 2472.344951][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.344951][T16070] dst_init+0x84/0x4a0 [ 2472.344951][T16070] dst_alloc+0x97/0x150 [ 2472.344951][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.344951][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.344951][T16070] ip6_pol_route+0x56f/0x840 [ 2472.344951][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2472.344951][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2472.344951][T16070] fib6_rule_lookup+0x182/0x630 [ 2472.344951][T16070] ip6_route_input+0x59c/0xa50 [ 2472.344951][T16070] ipv6_rcv+0x397/0x810 [ 2472.344951][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2472.344951][T16070] process_backlog+0x101/0x620 [ 2472.344951][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2472.344951][T16070] net_rx_action+0x495/0xbe0 [ 2472.344951][T16070] __do_softirq+0x1b5/0x7f6 [ 2472.344951][T16070] [ 2472.347245][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.347245][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.347245][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.347245][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.347245][T16070] ip6_route_add+0x1c/0x140 [ 2472.347245][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2472.347245][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2472.347245][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2472.347245][T16070] addrconf_dad_begin+0x310/0x670 [ 2472.347245][T16070] addrconf_dad_work+0x10b/0xab0 [ 2472.347245][T16070] process_one_work+0x84d/0x18a0 [ 2472.347245][T16070] worker_thread+0x587/0xd30 [ 2472.347245][T16070] kthread+0x28a/0x350 [ 2472.347245][T16070] ret_from_fork+0x31/0x70 [ 2472.347245][T16070] ret_from_fork_asm+0x1a/0x30 [ 2472.347245][T16070] [ 2472.349456][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.349456][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.349456][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.349456][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.349456][T16070] ip6_route_add+0x1c/0x140 [ 2472.349456][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2472.349456][T16070] inet6_addr_add+0x4f8/0xa40 [ 2472.349456][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.349456][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.349456][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.349456][T16070] netlink_unicast+0x449/0x710 [ 2472.349456][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.349456][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.349456][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.349456][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.349456][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.349456][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.349456][T16070] [ 2472.351950][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.351950][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.351950][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.351950][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.351950][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2472.351950][T16070] ipv6_add_addr+0x411/0x2000 [ 2472.351950][T16070] inet6_addr_add+0x30e/0xa40 [ 2472.351950][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.351950][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.351950][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.351950][T16070] netlink_unicast+0x449/0x710 [ 2472.351950][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.351950][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.351950][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.351950][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.351950][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.351950][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.351950][T16070] [ 2472.354450][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.354450][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.354450][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.354450][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.354450][T16070] ip6_route_add+0x1c/0x140 [ 2472.354450][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.354450][T16070] addrconf_add_dev+0xe2/0x170 [ 2472.354450][T16070] inet6_addr_add+0x12f/0xa40 [ 2472.354450][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.354450][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.354450][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.354450][T16070] netlink_unicast+0x449/0x710 [ 2472.354450][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.354450][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.354450][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.354450][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.354450][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.354450][T16070] [ 2472.356901][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.356901][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2472.356901][T16070] ipv6_find_idev+0x102/0x170 [ 2472.356901][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.356901][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.356901][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.356901][T16070] netlink_unicast+0x449/0x710 [ 2472.356901][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.356901][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.356901][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.356901][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.356901][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.356901][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.356901][T16070] [ 2472.358830][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2472.358830][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2472.358830][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2472.358830][T16070] ipv6_find_idev+0x102/0x170 [ 2472.358830][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.358830][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.358830][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.358830][T16070] netlink_unicast+0x449/0x710 [ 2472.358830][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.358830][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.358830][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.358830][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.358830][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.358830][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.358830][T16070] [ 2472.361363][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2472.361705][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2472.361705][T16070] dst_init+0x84/0x4a0 [ 2472.361705][T16070] dst_alloc+0x97/0x150 [ 2472.361705][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.361705][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.361705][T16070] ip6_pol_route+0x56f/0x840 [ 2472.361705][T16070] fib6_rule_lookup+0x334/0x630 [ 2472.361705][T16070] ip6_route_output_flags+0x259/0x480 [ 2472.361705][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2472.361705][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2472.361705][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2472.361705][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2472.361705][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2472.361705][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.361705][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.361705][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.361705][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.361705][T16070] [ 2472.364200][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.364200][T16070] dst_init+0x84/0x4a0 [ 2472.364200][T16070] dst_alloc+0x97/0x150 [ 2472.364200][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.364200][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.364200][T16070] ip6_pol_route+0x56f/0x840 [ 2472.364200][T16070] fib6_rule_lookup+0x334/0x630 [ 2472.364200][T16070] ip6_route_output_flags+0x259/0x480 [ 2472.364200][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2472.364200][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2472.364200][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2472.364200][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2472.364200][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2472.364200][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2472.364200][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2472.364200][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2472.364200][T16070] ip6_input_finish+0x120/0x260 [ 2472.364200][T16070] [ 2472.366724][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.366724][T16070] dst_init+0x84/0x4a0 [ 2472.366724][T16070] dst_alloc+0x97/0x150 [ 2472.366724][T16070] ip6_dst_alloc+0x23/0x90 [ 2472.366724][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2472.366724][T16070] ip6_pol_route+0x56f/0x840 [ 2472.366724][T16070] fib6_rule_lookup+0x456/0x630 [ 2472.366724][T16070] ip6_route_input+0x59c/0xa50 [ 2472.366724][T16070] ipv6_rcv+0x397/0x810 [ 2472.366724][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2472.366724][T16070] process_backlog+0x101/0x620 [ 2472.366724][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2472.366724][T16070] net_rx_action+0x495/0xbe0 [ 2472.366724][T16070] __do_softirq+0x1b5/0x7f6 [ 2472.366724][T16070] [ 2472.368754][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.368754][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.368754][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.368754][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.368754][T16070] ip6_route_add+0x1c/0x140 [ 2472.368754][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2472.368754][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2472.368754][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2472.368754][T16070] addrconf_dad_begin+0x310/0x670 [ 2472.368754][T16070] addrconf_dad_work+0x10b/0xab0 [ 2472.368754][T16070] process_one_work+0x84d/0x18a0 [ 2472.368754][T16070] worker_thread+0x587/0xd30 [ 2472.368754][T16070] kthread+0x28a/0x350 [ 2472.368754][T16070] ret_from_fork+0x31/0x70 [ 2472.368754][T16070] ret_from_fork_asm+0x1a/0x30 [ 2472.368754][T16070] [ 2472.371214][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.371214][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.371214][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.371214][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.371214][T16070] ip6_route_add+0x1c/0x140 [ 2472.371214][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2472.371214][T16070] inet6_addr_add+0x4f8/0xa40 [ 2472.371214][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.371214][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.371214][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.371214][T16070] netlink_unicast+0x449/0x710 [ 2472.371214][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.371214][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.371214][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.371214][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.371214][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.371214][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.371214][T16070] [ 2472.374010][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.374010][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.374010][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.374010][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.374010][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2472.374010][T16070] ipv6_add_addr+0x411/0x2000 [ 2472.374010][T16070] inet6_addr_add+0x30e/0xa40 [ 2472.374010][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.374010][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.374010][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.374010][T16070] netlink_unicast+0x449/0x710 [ 2472.374010][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.374010][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.374010][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.374010][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.374010][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.374010][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.374010][T16070] [ 2472.376732][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.376732][T16070] netdev_get_by_index+0x5e/0x80 [ 2472.376732][T16070] fib6_nh_init+0x3d8/0x1580 [ 2472.376732][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2472.376732][T16070] ip6_route_add+0x1c/0x140 [ 2472.376732][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2472.376732][T16070] addrconf_add_dev+0xe2/0x170 [ 2472.376732][T16070] inet6_addr_add+0x12f/0xa40 [ 2472.376732][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2472.376732][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.376732][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.376732][T16070] netlink_unicast+0x449/0x710 [ 2472.376732][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.376732][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.376732][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.376732][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.376732][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.376732][T16070] [ 2472.379404][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.379404][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2472.379404][T16070] ipv6_find_idev+0x102/0x170 [ 2472.379404][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.379404][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.379404][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.379404][T16070] netlink_unicast+0x449/0x710 [ 2472.379404][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.379404][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.379404][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.379404][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.379404][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.379404][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.379404][T16070] [ 2472.381564][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2472.381564][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2472.381564][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2472.381564][T16070] ipv6_find_idev+0x102/0x170 [ 2472.381564][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2472.381564][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2472.381564][T16070] netlink_rcv_skb+0x130/0x360 [ 2472.381564][T16070] netlink_unicast+0x449/0x710 [ 2472.381564][T16070] netlink_sendmsg+0x723/0xbe0 [ 2472.381564][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2472.381564][T16070] ___sys_sendmsg+0xee/0x170 [ 2472.381564][T16070] __sys_sendmsg+0xcd/0x170 [ 2472.381564][T16070] do_syscall_64+0xc6/0x1e0 [ 2472.381564][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2472.381564][T16070] [ 2481.608925][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2481.609333][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.609333][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.609333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.609333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.609333][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.609333][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.609333][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.609333][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.609333][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.609333][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.609333][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.609333][ T74] process_one_work+0x84d/0x18a0 [ 2481.609333][ T74] worker_thread+0x587/0xd30 [ 2481.609333][ T74] kthread+0x28a/0x350 [ 2481.609333][ T74] ret_from_fork+0x31/0x70 [ 2481.609333][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.609333][ T74] [ 2481.611286][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.611286][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.611286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.611286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.611286][ T74] ip6_route_add+0x1c/0x140 [ 2481.611286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.611286][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.611286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.611286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.611286][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.611286][ T74] netlink_unicast+0x449/0x710 [ 2481.611286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.611286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.611286][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.611286][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.611286][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.611286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.611286][ T74] [ 2481.613286][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.613286][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.613286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.613286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.613286][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.613286][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.613286][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.613286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.613286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.613286][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.613286][ T74] netlink_unicast+0x449/0x710 [ 2481.613286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.613286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.613286][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.613286][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.613286][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.613286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.613286][ T74] [ 2481.615274][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.615274][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.615274][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.615274][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.615274][ T74] ip6_route_add+0x1c/0x140 [ 2481.615274][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.615274][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.615274][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.615274][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.615274][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.615274][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.615274][ T74] netlink_unicast+0x449/0x710 [ 2481.615274][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.615274][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.615274][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.615274][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.615274][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.615274][ T74] [ 2481.617237][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.617237][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.617237][ T74] ipv6_find_idev+0x102/0x170 [ 2481.617237][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.617237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.617237][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.617237][ T74] netlink_unicast+0x449/0x710 [ 2481.617237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.617237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.617237][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.617237][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.617237][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.617237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.617237][ T74] [ 2481.618769][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2481.618769][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.618769][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.618769][ T74] ipv6_find_idev+0x102/0x170 [ 2481.618769][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.618769][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.618769][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.618769][ T74] netlink_unicast+0x449/0x710 [ 2481.618769][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.618769][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.618769][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.618769][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.618769][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.618769][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.618769][ T74] [ 2481.620473][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2481.620717][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.620717][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.620717][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.620717][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.620717][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.620717][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.620717][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.620717][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.620717][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.620717][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.620717][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.620717][ T74] process_one_work+0x84d/0x18a0 [ 2481.620717][ T74] worker_thread+0x587/0xd30 [ 2481.620717][ T74] kthread+0x28a/0x350 [ 2481.620717][ T74] ret_from_fork+0x31/0x70 [ 2481.620717][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.620717][ T74] [ 2481.622624][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.622624][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.622624][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.622624][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.622624][ T74] ip6_route_add+0x1c/0x140 [ 2481.622624][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.622624][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.622624][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.622624][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.622624][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.622624][ T74] netlink_unicast+0x449/0x710 [ 2481.622624][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.622624][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.622624][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.622624][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.622624][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.622624][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.622624][ T74] [ 2481.624611][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.624611][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.624611][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.624611][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.624611][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.624611][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.624611][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.624611][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.624611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.624611][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.624611][ T74] netlink_unicast+0x449/0x710 [ 2481.624611][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.624611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.624611][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.624611][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.624611][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.624611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.624611][ T74] [ 2481.626626][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.626626][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.626626][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.626626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.626626][ T74] ip6_route_add+0x1c/0x140 [ 2481.626626][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.626626][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.626626][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.626626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.626626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.626626][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.626626][ T74] netlink_unicast+0x449/0x710 [ 2481.626626][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.626626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.626626][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.626626][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.626626][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.626626][ T74] [ 2481.628580][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.628580][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.628580][ T74] ipv6_find_idev+0x102/0x170 [ 2481.628580][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.628580][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.628580][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.628580][ T74] netlink_unicast+0x449/0x710 [ 2481.628580][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.628580][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.628580][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.628580][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.628580][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.628580][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.628580][ T74] [ 2481.630108][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2481.630108][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.630108][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.630108][ T74] ipv6_find_idev+0x102/0x170 [ 2481.630108][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.630108][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.630108][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.630108][ T74] netlink_unicast+0x449/0x710 [ 2481.630108][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.630108][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.630108][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.630108][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.630108][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.630108][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.630108][ T74] [ 2481.631778][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2481.632021][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.632021][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.632021][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.632021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.632021][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.632021][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.632021][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.632021][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.632021][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.632021][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.632021][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.632021][ T74] process_one_work+0x84d/0x18a0 [ 2481.632021][ T74] worker_thread+0x587/0xd30 [ 2481.632021][ T74] kthread+0x28a/0x350 [ 2481.632021][ T74] ret_from_fork+0x31/0x70 [ 2481.632021][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.632021][ T74] [ 2481.633926][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.633926][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.633926][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.633926][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.633926][ T74] ip6_route_add+0x1c/0x140 [ 2481.633926][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.633926][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.633926][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.633926][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.633926][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.633926][ T74] netlink_unicast+0x449/0x710 [ 2481.633926][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.633926][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.633926][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.633926][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.633926][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.633926][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.633926][ T74] [ 2481.636047][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.636047][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.636047][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.636047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.636047][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.636047][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.636047][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.636047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.636047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.636047][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.636047][ T74] netlink_unicast+0x449/0x710 [ 2481.636047][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.636047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.636047][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.636047][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.636047][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.636047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.636047][ T74] [ 2481.638171][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.638171][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.638171][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.638171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.638171][ T74] ip6_route_add+0x1c/0x140 [ 2481.638171][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.638171][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.638171][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.638171][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.638171][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.638171][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.638171][ T74] netlink_unicast+0x449/0x710 [ 2481.638171][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.638171][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.638171][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.638171][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.638171][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.638171][ T74] [ 2481.640263][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.640263][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.640263][ T74] ipv6_find_idev+0x102/0x170 [ 2481.640263][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.640263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.640263][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.640263][ T74] netlink_unicast+0x449/0x710 [ 2481.640263][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.640263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.640263][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.640263][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.640263][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.640263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.640263][ T74] [ 2481.641930][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2481.641930][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.641930][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.641930][ T74] ipv6_find_idev+0x102/0x170 [ 2481.641930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.641930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.641930][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.641930][ T74] netlink_unicast+0x449/0x710 [ 2481.641930][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.641930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.641930][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.641930][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.641930][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.641930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.641930][ T74] [ 2481.643659][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2481.644388][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.644388][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.644388][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.644388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.644388][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2481.644388][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2481.644388][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2481.644388][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2481.644388][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2481.644388][ T74] addrconf_dad_begin+0x310/0x670 [ 2481.644388][ T74] addrconf_dad_work+0x10b/0xab0 [ 2481.644388][ T74] process_one_work+0x84d/0x18a0 [ 2481.644388][ T74] worker_thread+0x587/0xd30 [ 2481.644388][ T74] kthread+0x28a/0x350 [ 2481.644388][ T74] ret_from_fork+0x31/0x70 [ 2481.644388][ T74] ret_from_fork_asm+0x1a/0x30 [ 2481.644388][ T74] [ 2481.646304][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.646304][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.646304][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.646304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.646304][ T74] ip6_route_add+0x1c/0x140 [ 2481.646304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2481.646304][ T74] inet6_addr_add+0x4f8/0xa40 [ 2481.646304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.646304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.646304][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.646304][ T74] netlink_unicast+0x449/0x710 [ 2481.646304][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.646304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.646304][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.646304][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.646304][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.646304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.646304][ T74] [ 2481.648293][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.648293][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.648293][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.648293][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.648293][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2481.648293][ T74] ipv6_add_addr+0x411/0x2000 [ 2481.648293][ T74] inet6_addr_add+0x30e/0xa40 [ 2481.648293][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.648293][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.648293][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.648293][ T74] netlink_unicast+0x449/0x710 [ 2481.648293][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.648293][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.648293][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.648293][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.648293][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.648293][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.648293][ T74] [ 2481.650435][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.650435][ T74] netdev_get_by_index+0x5e/0x80 [ 2481.650435][ T74] fib6_nh_init+0x3d8/0x1580 [ 2481.650435][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2481.650435][ T74] ip6_route_add+0x1c/0x140 [ 2481.650435][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2481.650435][ T74] addrconf_add_dev+0xe2/0x170 [ 2481.650435][ T74] inet6_addr_add+0x12f/0xa40 [ 2481.650435][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2481.650435][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.650435][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.650435][ T74] netlink_unicast+0x449/0x710 [ 2481.650435][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.650435][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.650435][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.650435][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.650435][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.650435][ T74] [ 2481.652528][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.652528][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2481.652528][ T74] ipv6_find_idev+0x102/0x170 [ 2481.652528][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.652528][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.652528][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.652528][ T74] netlink_unicast+0x449/0x710 [ 2481.652528][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.652528][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.652528][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.652528][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.652528][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.652528][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.652528][ T74] [ 2481.654190][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2481.654190][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2481.654190][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2481.654190][ T74] ipv6_find_idev+0x102/0x170 [ 2481.654190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2481.654190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2481.654190][ T74] netlink_rcv_skb+0x130/0x360 [ 2481.654190][ T74] netlink_unicast+0x449/0x710 [ 2481.654190][ T74] netlink_sendmsg+0x723/0xbe0 [ 2481.654190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2481.654190][ T74] ___sys_sendmsg+0xee/0x170 [ 2481.654190][ T74] __sys_sendmsg+0xcd/0x170 [ 2481.654190][ T74] do_syscall_64+0xc6/0x1e0 [ 2481.654190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2481.654190][ T74] [ 2482.624930][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2482.625404][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2482.625404][T16070] dst_init+0x84/0x4a0 [ 2482.625404][T16070] dst_alloc+0x97/0x150 [ 2482.625404][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.625404][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.625404][T16070] ip6_pol_route+0x56f/0x840 [ 2482.625404][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2482.625404][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2482.625404][T16070] fib6_rule_lookup+0x182/0x630 [ 2482.625404][T16070] ip6_route_output_flags+0x259/0x480 [ 2482.625404][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2482.625404][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2482.625404][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2482.625404][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2482.625404][T16070] ip6_datagram_connect+0x2c/0x50 [ 2482.625404][T16070] __sys_connect+0x217/0x2a0 [ 2482.625404][T16070] __x64_sys_connect+0x72/0xb0 [ 2482.625404][T16070] [ 2482.627706][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2482.627706][T16070] dst_init+0x84/0x4a0 [ 2482.627706][T16070] dst_alloc+0x97/0x150 [ 2482.627706][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.627706][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.627706][T16070] ip6_pol_route+0x56f/0x840 [ 2482.627706][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2482.627706][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2482.627706][T16070] fib6_rule_lookup+0x182/0x630 [ 2482.627706][T16070] ip6_route_output_flags+0x259/0x480 [ 2482.627706][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2482.627706][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2482.627706][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2482.627706][T16070] __inet_stream_connect+0x272/0x9f0 [ 2482.627706][T16070] inet_stream_connect+0x57/0xa0 [ 2482.627706][T16070] __sys_connect+0x217/0x2a0 [ 2482.627706][T16070] __x64_sys_connect+0x72/0xb0 [ 2482.627706][T16070] [ 2482.629942][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.629942][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2482.629942][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2482.629942][T16070] fib6_nh_init+0xa22/0x1580 [ 2482.629942][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.629942][T16070] ip6_route_add+0x1c/0x140 [ 2482.629942][T16070] inet6_rtm_newroute+0x104/0x110 [ 2482.629942][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.629942][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.629942][T16070] netlink_unicast+0x449/0x710 [ 2482.629942][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.629942][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.629942][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.629942][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.629942][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.629942][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.629942][T16070] [ 2482.632054][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.632054][T16070] dst_init+0x84/0x4a0 [ 2482.632054][T16070] dst_alloc+0x97/0x150 [ 2482.632054][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.632054][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.632054][T16070] ip6_pol_route+0x56f/0x840 [ 2482.632054][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2482.632054][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2482.632054][T16070] fib6_rule_lookup+0x182/0x630 [ 2482.632054][T16070] ip6_route_input+0x59c/0xa50 [ 2482.632054][T16070] ipv6_rcv+0x397/0x810 [ 2482.632054][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2482.632054][T16070] process_backlog+0x101/0x620 [ 2482.632054][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2482.632054][T16070] net_rx_action+0x495/0xbe0 [ 2482.632054][T16070] __do_softirq+0x1b5/0x7f6 [ 2482.632054][T16070] [ 2482.634120][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.634120][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.634120][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.634120][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.634120][T16070] ip6_route_add+0x1c/0x140 [ 2482.634120][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2482.634120][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2482.634120][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2482.634120][T16070] addrconf_dad_begin+0x310/0x670 [ 2482.634120][T16070] addrconf_dad_work+0x10b/0xab0 [ 2482.634120][T16070] process_one_work+0x84d/0x18a0 [ 2482.634120][T16070] worker_thread+0x587/0xd30 [ 2482.634120][T16070] kthread+0x28a/0x350 [ 2482.634120][T16070] ret_from_fork+0x31/0x70 [ 2482.634120][T16070] ret_from_fork_asm+0x1a/0x30 [ 2482.634120][T16070] [ 2482.636128][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.636128][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.636128][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.636128][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.636128][T16070] ip6_route_add+0x1c/0x140 [ 2482.636128][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2482.636128][T16070] inet6_addr_add+0x4f8/0xa40 [ 2482.636128][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.636128][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.636128][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.636128][T16070] netlink_unicast+0x449/0x710 [ 2482.636128][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.636128][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.636128][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.636128][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.636128][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.636128][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.636128][T16070] [ 2482.638371][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.638371][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.638371][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.638371][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.638371][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2482.638371][T16070] ipv6_add_addr+0x411/0x2000 [ 2482.638371][T16070] inet6_addr_add+0x30e/0xa40 [ 2482.638371][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.638371][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.638371][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.638371][T16070] netlink_unicast+0x449/0x710 [ 2482.638371][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.638371][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.638371][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.638371][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.638371][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.638371][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.638371][T16070] [ 2482.640635][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.640635][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.640635][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.640635][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.640635][T16070] ip6_route_add+0x1c/0x140 [ 2482.640635][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.640635][T16070] addrconf_add_dev+0xe2/0x170 [ 2482.640635][T16070] inet6_addr_add+0x12f/0xa40 [ 2482.640635][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.640635][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.640635][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.640635][T16070] netlink_unicast+0x449/0x710 [ 2482.640635][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.640635][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.640635][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.640635][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.640635][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.640635][T16070] [ 2482.642838][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.642838][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2482.642838][T16070] ipv6_find_idev+0x102/0x170 [ 2482.642838][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.642838][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.642838][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.642838][T16070] netlink_unicast+0x449/0x710 [ 2482.642838][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.642838][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.642838][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.642838][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.642838][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.642838][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.642838][T16070] [ 2482.644588][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2482.644588][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2482.644588][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2482.644588][T16070] ipv6_find_idev+0x102/0x170 [ 2482.644588][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.644588][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.644588][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.644588][T16070] netlink_unicast+0x449/0x710 [ 2482.644588][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.644588][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.644588][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.644588][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.644588][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.644588][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.644588][T16070] [ 2482.646481][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2482.646786][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2482.646786][T16070] dst_init+0x84/0x4a0 [ 2482.646786][T16070] dst_alloc+0x97/0x150 [ 2482.646786][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.646786][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.646786][T16070] ip6_pol_route+0x56f/0x840 [ 2482.646786][T16070] fib6_rule_lookup+0x334/0x630 [ 2482.646786][T16070] ip6_route_output_flags+0x259/0x480 [ 2482.646786][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2482.646786][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2482.646786][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2482.646786][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2482.646786][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2482.646786][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.646786][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.646786][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.646786][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.646786][T16070] [ 2482.649032][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.649032][T16070] dst_init+0x84/0x4a0 [ 2482.649032][T16070] dst_alloc+0x97/0x150 [ 2482.649032][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.649032][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.649032][T16070] ip6_pol_route+0x56f/0x840 [ 2482.649032][T16070] fib6_rule_lookup+0x334/0x630 [ 2482.649032][T16070] ip6_route_output_flags+0x259/0x480 [ 2482.649032][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2482.649032][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2482.649032][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2482.649032][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2482.649032][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2482.649032][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2482.649032][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2482.649032][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2482.649032][T16070] ip6_input_finish+0x120/0x260 [ 2482.649032][T16070] [ 2482.651306][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.651306][T16070] dst_init+0x84/0x4a0 [ 2482.651306][T16070] dst_alloc+0x97/0x150 [ 2482.651306][T16070] ip6_dst_alloc+0x23/0x90 [ 2482.651306][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2482.651306][T16070] ip6_pol_route+0x56f/0x840 [ 2482.651306][T16070] fib6_rule_lookup+0x456/0x630 [ 2482.651306][T16070] ip6_route_input+0x59c/0xa50 [ 2482.651306][T16070] ipv6_rcv+0x397/0x810 [ 2482.651306][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2482.651306][T16070] process_backlog+0x101/0x620 [ 2482.651306][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2482.651306][T16070] net_rx_action+0x495/0xbe0 [ 2482.651306][T16070] __do_softirq+0x1b5/0x7f6 [ 2482.651306][T16070] [ 2482.653144][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.653144][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.653144][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.653144][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.653144][T16070] ip6_route_add+0x1c/0x140 [ 2482.653144][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2482.653144][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2482.653144][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2482.653144][T16070] addrconf_dad_begin+0x310/0x670 [ 2482.653144][T16070] addrconf_dad_work+0x10b/0xab0 [ 2482.653144][T16070] process_one_work+0x84d/0x18a0 [ 2482.653144][T16070] worker_thread+0x587/0xd30 [ 2482.653144][T16070] kthread+0x28a/0x350 [ 2482.653144][T16070] ret_from_fork+0x31/0x70 [ 2482.653144][T16070] ret_from_fork_asm+0x1a/0x30 [ 2482.653144][T16070] [ 2482.655380][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.655380][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.655380][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.655380][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.655380][T16070] ip6_route_add+0x1c/0x140 [ 2482.655380][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2482.655380][T16070] inet6_addr_add+0x4f8/0xa40 [ 2482.655380][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.655380][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.655380][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.655380][T16070] netlink_unicast+0x449/0x710 [ 2482.655380][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.655380][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.655380][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.655380][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.655380][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.655380][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.655380][T16070] [ 2482.658002][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.658002][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.658002][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.658002][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.658002][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2482.658002][T16070] ipv6_add_addr+0x411/0x2000 [ 2482.658002][T16070] inet6_addr_add+0x30e/0xa40 [ 2482.658002][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.658002][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.658002][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.658002][T16070] netlink_unicast+0x449/0x710 [ 2482.658002][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.658002][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.658002][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.658002][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.658002][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.658002][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.658002][T16070] [ 2482.660560][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.660560][T16070] netdev_get_by_index+0x5e/0x80 [ 2482.660560][T16070] fib6_nh_init+0x3d8/0x1580 [ 2482.660560][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2482.660560][T16070] ip6_route_add+0x1c/0x140 [ 2482.660560][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2482.660560][T16070] addrconf_add_dev+0xe2/0x170 [ 2482.660560][T16070] inet6_addr_add+0x12f/0xa40 [ 2482.660560][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2482.660560][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.660560][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.660560][T16070] netlink_unicast+0x449/0x710 [ 2482.660560][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.660560][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.660560][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.660560][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.660560][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.660560][T16070] [ 2482.662987][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.662987][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2482.662987][T16070] ipv6_find_idev+0x102/0x170 [ 2482.662987][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.662987][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.662987][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.662987][T16070] netlink_unicast+0x449/0x710 [ 2482.662987][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.662987][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.662987][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.662987][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.662987][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.662987][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.662987][T16070] [ 2482.664940][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2482.664940][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2482.664940][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2482.664940][T16070] ipv6_find_idev+0x102/0x170 [ 2482.664940][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2482.664940][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2482.664940][T16070] netlink_rcv_skb+0x130/0x360 [ 2482.664940][T16070] netlink_unicast+0x449/0x710 [ 2482.664940][T16070] netlink_sendmsg+0x723/0xbe0 [ 2482.664940][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2482.664940][T16070] ___sys_sendmsg+0xee/0x170 [ 2482.664940][T16070] __sys_sendmsg+0xcd/0x170 [ 2482.664940][T16070] do_syscall_64+0xc6/0x1e0 [ 2482.664940][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2482.664940][T16070] [ 2491.680872][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2491.681236][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.681236][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.681236][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.681236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.681236][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2491.681236][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2491.681236][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2491.681236][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2491.681236][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2491.681236][ T74] addrconf_dad_begin+0x310/0x670 [ 2491.681236][ T74] addrconf_dad_work+0x10b/0xab0 [ 2491.681236][ T74] process_one_work+0x84d/0x18a0 [ 2491.681236][ T74] worker_thread+0x587/0xd30 [ 2491.681236][ T74] kthread+0x28a/0x350 [ 2491.681236][ T74] ret_from_fork+0x31/0x70 [ 2491.681236][ T74] ret_from_fork_asm+0x1a/0x30 [ 2491.681236][ T74] [ 2491.683252][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.683252][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.683252][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.683252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.683252][ T74] ip6_route_add+0x1c/0x140 [ 2491.683252][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2491.683252][ T74] inet6_addr_add+0x4f8/0xa40 [ 2491.683252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.683252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.683252][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.683252][ T74] netlink_unicast+0x449/0x710 [ 2491.683252][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.683252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.683252][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.683252][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.683252][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.683252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.683252][ T74] [ 2491.685404][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.685404][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.685404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.685404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.685404][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2491.685404][ T74] ipv6_add_addr+0x411/0x2000 [ 2491.685404][ T74] inet6_addr_add+0x30e/0xa40 [ 2491.685404][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.685404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.685404][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.685404][ T74] netlink_unicast+0x449/0x710 [ 2491.685404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.685404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.685404][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.685404][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.685404][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.685404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.685404][ T74] [ 2491.687431][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.687431][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.687431][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.687431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.687431][ T74] ip6_route_add+0x1c/0x140 [ 2491.687431][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2491.687431][ T74] addrconf_add_dev+0xe2/0x170 [ 2491.687431][ T74] inet6_addr_add+0x12f/0xa40 [ 2491.687431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.687431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.687431][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.687431][ T74] netlink_unicast+0x449/0x710 [ 2491.687431][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.687431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.687431][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.687431][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.687431][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.687431][ T74] [ 2491.689410][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.689410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2491.689410][ T74] ipv6_find_idev+0x102/0x170 [ 2491.689410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.689410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.689410][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.689410][ T74] netlink_unicast+0x449/0x710 [ 2491.689410][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.689410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.689410][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.689410][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.689410][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.689410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.689410][ T74] [ 2491.690988][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2491.690988][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2491.690988][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2491.690988][ T74] ipv6_find_idev+0x102/0x170 [ 2491.690988][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.690988][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.690988][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.690988][ T74] netlink_unicast+0x449/0x710 [ 2491.690988][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.690988][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.690988][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.690988][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.690988][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.690988][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.690988][ T74] [ 2491.692739][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2491.693006][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.693006][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.693006][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.693006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.693006][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2491.693006][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2491.693006][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2491.693006][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2491.693006][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2491.693006][ T74] addrconf_dad_begin+0x310/0x670 [ 2491.693006][ T74] addrconf_dad_work+0x10b/0xab0 [ 2491.693006][ T74] process_one_work+0x84d/0x18a0 [ 2491.693006][ T74] worker_thread+0x587/0xd30 [ 2491.693006][ T74] kthread+0x28a/0x350 [ 2491.693006][ T74] ret_from_fork+0x31/0x70 [ 2491.693006][ T74] ret_from_fork_asm+0x1a/0x30 [ 2491.693006][ T74] [ 2491.694940][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.694940][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.694940][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.694940][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.694940][ T74] ip6_route_add+0x1c/0x140 [ 2491.694940][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2491.694940][ T74] inet6_addr_add+0x4f8/0xa40 [ 2491.694940][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.694940][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.694940][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.694940][ T74] netlink_unicast+0x449/0x710 [ 2491.694940][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.694940][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.694940][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.694940][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.694940][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.694940][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.694940][ T74] [ 2491.696958][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.696958][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.696958][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.696958][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.696958][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2491.696958][ T74] ipv6_add_addr+0x411/0x2000 [ 2491.696958][ T74] inet6_addr_add+0x30e/0xa40 [ 2491.696958][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.696958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.696958][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.696958][ T74] netlink_unicast+0x449/0x710 [ 2491.696958][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.696958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.696958][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.696958][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.696958][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.696958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.696958][ T74] [ 2491.698971][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.698971][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.698971][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.698971][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.698971][ T74] ip6_route_add+0x1c/0x140 [ 2491.698971][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2491.698971][ T74] addrconf_add_dev+0xe2/0x170 [ 2491.698971][ T74] inet6_addr_add+0x12f/0xa40 [ 2491.698971][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.698971][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.698971][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.698971][ T74] netlink_unicast+0x449/0x710 [ 2491.698971][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.698971][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.698971][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.698971][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.698971][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.698971][ T74] [ 2491.700975][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.700975][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2491.700975][ T74] ipv6_find_idev+0x102/0x170 [ 2491.700975][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.700975][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.700975][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.700975][ T74] netlink_unicast+0x449/0x710 [ 2491.700975][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.700975][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.700975][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.700975][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.700975][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.700975][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.700975][ T74] [ 2491.702541][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2491.702541][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2491.702541][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2491.702541][ T74] ipv6_find_idev+0x102/0x170 [ 2491.702541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.702541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.702541][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.702541][ T74] netlink_unicast+0x449/0x710 [ 2491.702541][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.702541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.702541][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.702541][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.702541][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.702541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.702541][ T74] [ 2491.704266][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2491.704509][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.704509][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.704509][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.704509][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.704509][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2491.704509][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2491.704509][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2491.704509][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2491.704509][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2491.704509][ T74] addrconf_dad_begin+0x310/0x670 [ 2491.704509][ T74] addrconf_dad_work+0x10b/0xab0 [ 2491.704509][ T74] process_one_work+0x84d/0x18a0 [ 2491.704509][ T74] worker_thread+0x587/0xd30 [ 2491.704509][ T74] kthread+0x28a/0x350 [ 2491.704509][ T74] ret_from_fork+0x31/0x70 [ 2491.704509][ T74] ret_from_fork_asm+0x1a/0x30 [ 2491.704509][ T74] [ 2491.706442][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.706442][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.706442][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.706442][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.706442][ T74] ip6_route_add+0x1c/0x140 [ 2491.706442][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2491.706442][ T74] inet6_addr_add+0x4f8/0xa40 [ 2491.706442][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.706442][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.706442][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.706442][ T74] netlink_unicast+0x449/0x710 [ 2491.706442][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.706442][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.706442][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.706442][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.706442][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.706442][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.706442][ T74] [ 2491.708775][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.708775][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.708775][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.708775][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.708775][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2491.708775][ T74] ipv6_add_addr+0x411/0x2000 [ 2491.708775][ T74] inet6_addr_add+0x30e/0xa40 [ 2491.708775][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.708775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.708775][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.708775][ T74] netlink_unicast+0x449/0x710 [ 2491.708775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.708775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.708775][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.708775][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.708775][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.708775][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.708775][ T74] [ 2491.711005][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.711005][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.711005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.711005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.711005][ T74] ip6_route_add+0x1c/0x140 [ 2491.711005][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2491.711005][ T74] addrconf_add_dev+0xe2/0x170 [ 2491.711005][ T74] inet6_addr_add+0x12f/0xa40 [ 2491.711005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.711005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.711005][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.711005][ T74] netlink_unicast+0x449/0x710 [ 2491.711005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.711005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.711005][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.711005][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.711005][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.711005][ T74] [ 2491.713239][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.713239][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2491.713239][ T74] ipv6_find_idev+0x102/0x170 [ 2491.713239][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.713239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.713239][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.713239][ T74] netlink_unicast+0x449/0x710 [ 2491.713239][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.713239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.713239][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.713239][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.713239][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.713239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.713239][ T74] [ 2491.714979][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2491.714979][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2491.714979][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2491.714979][ T74] ipv6_find_idev+0x102/0x170 [ 2491.714979][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.714979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.714979][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.714979][ T74] netlink_unicast+0x449/0x710 [ 2491.714979][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.714979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.714979][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.714979][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.714979][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.714979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.714979][ T74] [ 2491.716869][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2491.717178][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.717178][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.717178][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.717178][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.717178][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2491.717178][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2491.717178][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2491.717178][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2491.717178][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2491.717178][ T74] addrconf_dad_begin+0x310/0x670 [ 2491.717178][ T74] addrconf_dad_work+0x10b/0xab0 [ 2491.717178][ T74] process_one_work+0x84d/0x18a0 [ 2491.717178][ T74] worker_thread+0x587/0xd30 [ 2491.717178][ T74] kthread+0x28a/0x350 [ 2491.717178][ T74] ret_from_fork+0x31/0x70 [ 2491.717178][ T74] ret_from_fork_asm+0x1a/0x30 [ 2491.717178][ T74] [ 2491.719301][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.719301][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.719301][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.719301][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.719301][ T74] ip6_route_add+0x1c/0x140 [ 2491.719301][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2491.719301][ T74] inet6_addr_add+0x4f8/0xa40 [ 2491.719301][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.719301][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.719301][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.719301][ T74] netlink_unicast+0x449/0x710 [ 2491.719301][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.719301][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.719301][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.719301][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.719301][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.719301][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.719301][ T74] [ 2491.721573][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.721573][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.721573][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.721573][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.721573][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2491.721573][ T74] ipv6_add_addr+0x411/0x2000 [ 2491.721573][ T74] inet6_addr_add+0x30e/0xa40 [ 2491.721573][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.721573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.721573][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.721573][ T74] netlink_unicast+0x449/0x710 [ 2491.721573][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.721573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.721573][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.721573][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.721573][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.721573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.721573][ T74] [ 2491.723847][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.723847][ T74] netdev_get_by_index+0x5e/0x80 [ 2491.723847][ T74] fib6_nh_init+0x3d8/0x1580 [ 2491.723847][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2491.723847][ T74] ip6_route_add+0x1c/0x140 [ 2491.723847][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2491.723847][ T74] addrconf_add_dev+0xe2/0x170 [ 2491.723847][ T74] inet6_addr_add+0x12f/0xa40 [ 2491.723847][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2491.723847][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.723847][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.723847][ T74] netlink_unicast+0x449/0x710 [ 2491.723847][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.723847][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.723847][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.723847][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.723847][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.723847][ T74] [ 2491.726067][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.726067][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2491.726067][ T74] ipv6_find_idev+0x102/0x170 [ 2491.726067][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.726067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.726067][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.726067][ T74] netlink_unicast+0x449/0x710 [ 2491.726067][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.726067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.726067][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.726067][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.726067][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.726067][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.726067][ T74] [ 2491.727868][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2491.727868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2491.727868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2491.727868][ T74] ipv6_find_idev+0x102/0x170 [ 2491.727868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2491.727868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2491.727868][ T74] netlink_rcv_skb+0x130/0x360 [ 2491.727868][ T74] netlink_unicast+0x449/0x710 [ 2491.727868][ T74] netlink_sendmsg+0x723/0xbe0 [ 2491.727868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2491.727868][ T74] ___sys_sendmsg+0xee/0x170 [ 2491.727868][ T74] __sys_sendmsg+0xcd/0x170 [ 2491.727868][ T74] do_syscall_64+0xc6/0x1e0 [ 2491.727868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2491.727868][ T74] [ 2492.704927][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2492.705391][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2492.705391][T16070] dst_init+0x84/0x4a0 [ 2492.705391][T16070] dst_alloc+0x97/0x150 [ 2492.705391][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.705391][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.705391][T16070] ip6_pol_route+0x56f/0x840 [ 2492.705391][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2492.705391][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2492.705391][T16070] fib6_rule_lookup+0x182/0x630 [ 2492.705391][T16070] ip6_route_output_flags+0x259/0x480 [ 2492.705391][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2492.705391][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2492.705391][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2492.705391][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2492.705391][T16070] ip6_datagram_connect+0x2c/0x50 [ 2492.705391][T16070] __sys_connect+0x217/0x2a0 [ 2492.705391][T16070] __x64_sys_connect+0x72/0xb0 [ 2492.705391][T16070] [ 2492.707699][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2492.707699][T16070] dst_init+0x84/0x4a0 [ 2492.707699][T16070] dst_alloc+0x97/0x150 [ 2492.707699][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.707699][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.707699][T16070] ip6_pol_route+0x56f/0x840 [ 2492.707699][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2492.707699][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2492.707699][T16070] fib6_rule_lookup+0x182/0x630 [ 2492.707699][T16070] ip6_route_output_flags+0x259/0x480 [ 2492.707699][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2492.707699][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2492.707699][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2492.707699][T16070] __inet_stream_connect+0x272/0x9f0 [ 2492.707699][T16070] inet_stream_connect+0x57/0xa0 [ 2492.707699][T16070] __sys_connect+0x217/0x2a0 [ 2492.707699][T16070] __x64_sys_connect+0x72/0xb0 [ 2492.707699][T16070] [ 2492.709959][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.709959][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2492.709959][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2492.709959][T16070] fib6_nh_init+0xa22/0x1580 [ 2492.709959][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.709959][T16070] ip6_route_add+0x1c/0x140 [ 2492.709959][T16070] inet6_rtm_newroute+0x104/0x110 [ 2492.709959][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.709959][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.709959][T16070] netlink_unicast+0x449/0x710 [ 2492.709959][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.709959][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.709959][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.709959][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.709959][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.709959][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.709959][T16070] [ 2492.712075][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.712075][T16070] dst_init+0x84/0x4a0 [ 2492.712075][T16070] dst_alloc+0x97/0x150 [ 2492.712075][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.712075][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.712075][T16070] ip6_pol_route+0x56f/0x840 [ 2492.712075][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2492.712075][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2492.712075][T16070] fib6_rule_lookup+0x182/0x630 [ 2492.712075][T16070] ip6_route_input+0x59c/0xa50 [ 2492.712075][T16070] ipv6_rcv+0x397/0x810 [ 2492.712075][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2492.712075][T16070] process_backlog+0x101/0x620 [ 2492.712075][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2492.712075][T16070] net_rx_action+0x495/0xbe0 [ 2492.712075][T16070] __do_softirq+0x1b5/0x7f6 [ 2492.712075][T16070] [ 2492.714161][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.714161][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.714161][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.714161][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.714161][T16070] ip6_route_add+0x1c/0x140 [ 2492.714161][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2492.714161][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2492.714161][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2492.714161][T16070] addrconf_dad_begin+0x310/0x670 [ 2492.714161][T16070] addrconf_dad_work+0x10b/0xab0 [ 2492.714161][T16070] process_one_work+0x84d/0x18a0 [ 2492.714161][T16070] worker_thread+0x587/0xd30 [ 2492.714161][T16070] kthread+0x28a/0x350 [ 2492.714161][T16070] ret_from_fork+0x31/0x70 [ 2492.714161][T16070] ret_from_fork_asm+0x1a/0x30 [ 2492.714161][T16070] [ 2492.716163][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.716163][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.716163][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.716163][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.716163][T16070] ip6_route_add+0x1c/0x140 [ 2492.716163][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2492.716163][T16070] inet6_addr_add+0x4f8/0xa40 [ 2492.716163][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.716163][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.716163][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.716163][T16070] netlink_unicast+0x449/0x710 [ 2492.716163][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.716163][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.716163][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.716163][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.716163][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.716163][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.716163][T16070] [ 2492.718423][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.718423][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.718423][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.718423][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.718423][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2492.718423][T16070] ipv6_add_addr+0x411/0x2000 [ 2492.718423][T16070] inet6_addr_add+0x30e/0xa40 [ 2492.718423][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.718423][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.718423][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.718423][T16070] netlink_unicast+0x449/0x710 [ 2492.718423][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.718423][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.718423][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.718423][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.718423][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.718423][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.718423][T16070] [ 2492.720673][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.720673][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.720673][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.720673][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.720673][T16070] ip6_route_add+0x1c/0x140 [ 2492.720673][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.720673][T16070] addrconf_add_dev+0xe2/0x170 [ 2492.720673][T16070] inet6_addr_add+0x12f/0xa40 [ 2492.720673][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.720673][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.720673][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.720673][T16070] netlink_unicast+0x449/0x710 [ 2492.720673][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.720673][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.720673][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.720673][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.720673][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.720673][T16070] [ 2492.722889][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.722889][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2492.722889][T16070] ipv6_find_idev+0x102/0x170 [ 2492.722889][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.722889][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.722889][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.722889][T16070] netlink_unicast+0x449/0x710 [ 2492.722889][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.722889][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.722889][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.722889][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.722889][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.722889][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.722889][T16070] [ 2492.724613][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2492.724613][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2492.724613][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2492.724613][T16070] ipv6_find_idev+0x102/0x170 [ 2492.724613][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.724613][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.724613][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.724613][T16070] netlink_unicast+0x449/0x710 [ 2492.724613][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.724613][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.724613][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.724613][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.724613][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.724613][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.724613][T16070] [ 2492.726518][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2492.726855][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2492.726855][T16070] dst_init+0x84/0x4a0 [ 2492.726855][T16070] dst_alloc+0x97/0x150 [ 2492.726855][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.726855][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.726855][T16070] ip6_pol_route+0x56f/0x840 [ 2492.726855][T16070] fib6_rule_lookup+0x334/0x630 [ 2492.726855][T16070] ip6_route_output_flags+0x259/0x480 [ 2492.726855][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2492.726855][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2492.726855][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2492.726855][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2492.726855][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2492.726855][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.726855][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.726855][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.726855][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.726855][T16070] [ 2492.729185][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.729185][T16070] dst_init+0x84/0x4a0 [ 2492.729185][T16070] dst_alloc+0x97/0x150 [ 2492.729185][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.729185][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.729185][T16070] ip6_pol_route+0x56f/0x840 [ 2492.729185][T16070] fib6_rule_lookup+0x334/0x630 [ 2492.729185][T16070] ip6_route_output_flags+0x259/0x480 [ 2492.729185][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2492.729185][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2492.729185][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2492.729185][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2492.729185][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2492.729185][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2492.729185][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2492.729185][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2492.729185][T16070] ip6_input_finish+0x120/0x260 [ 2492.729185][T16070] [ 2492.731592][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.731592][T16070] dst_init+0x84/0x4a0 [ 2492.731592][T16070] dst_alloc+0x97/0x150 [ 2492.731592][T16070] ip6_dst_alloc+0x23/0x90 [ 2492.731592][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2492.731592][T16070] ip6_pol_route+0x56f/0x840 [ 2492.731592][T16070] fib6_rule_lookup+0x456/0x630 [ 2492.731592][T16070] ip6_route_input+0x59c/0xa50 [ 2492.731592][T16070] ipv6_rcv+0x397/0x810 [ 2492.731592][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2492.731592][T16070] process_backlog+0x101/0x620 [ 2492.731592][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2492.731592][T16070] net_rx_action+0x495/0xbe0 [ 2492.731592][T16070] __do_softirq+0x1b5/0x7f6 [ 2492.731592][T16070] [ 2492.733528][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.733528][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.733528][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.733528][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.733528][T16070] ip6_route_add+0x1c/0x140 [ 2492.733528][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2492.733528][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2492.733528][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2492.733528][T16070] addrconf_dad_begin+0x310/0x670 [ 2492.733528][T16070] addrconf_dad_work+0x10b/0xab0 [ 2492.733528][T16070] process_one_work+0x84d/0x18a0 [ 2492.733528][T16070] worker_thread+0x587/0xd30 [ 2492.733528][T16070] kthread+0x28a/0x350 [ 2492.733528][T16070] ret_from_fork+0x31/0x70 [ 2492.733528][T16070] ret_from_fork_asm+0x1a/0x30 [ 2492.733528][T16070] [ 2492.735911][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.735911][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.735911][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.735911][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.735911][T16070] ip6_route_add+0x1c/0x140 [ 2492.735911][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2492.735911][T16070] inet6_addr_add+0x4f8/0xa40 [ 2492.735911][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.735911][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.735911][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.735911][T16070] netlink_unicast+0x449/0x710 [ 2492.735911][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.735911][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.735911][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.735911][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.735911][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.735911][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.735911][T16070] [ 2492.738577][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.738577][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.738577][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.738577][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.738577][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2492.738577][T16070] ipv6_add_addr+0x411/0x2000 [ 2492.738577][T16070] inet6_addr_add+0x30e/0xa40 [ 2492.738577][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.738577][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.738577][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.738577][T16070] netlink_unicast+0x449/0x710 [ 2492.738577][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.738577][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.738577][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.738577][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.738577][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.738577][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.738577][T16070] [ 2492.741264][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.741264][T16070] netdev_get_by_index+0x5e/0x80 [ 2492.741264][T16070] fib6_nh_init+0x3d8/0x1580 [ 2492.741264][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2492.741264][T16070] ip6_route_add+0x1c/0x140 [ 2492.741264][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2492.741264][T16070] addrconf_add_dev+0xe2/0x170 [ 2492.741264][T16070] inet6_addr_add+0x12f/0xa40 [ 2492.741264][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2492.741264][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.741264][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.741264][T16070] netlink_unicast+0x449/0x710 [ 2492.741264][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.741264][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.741264][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.741264][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.741264][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.741264][T16070] [ 2492.743812][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.743812][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2492.743812][T16070] ipv6_find_idev+0x102/0x170 [ 2492.743812][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.743812][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.743812][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.743812][T16070] netlink_unicast+0x449/0x710 [ 2492.743812][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.743812][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.743812][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.743812][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.743812][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.743812][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.743812][T16070] [ 2492.745848][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2492.745848][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2492.745848][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2492.745848][T16070] ipv6_find_idev+0x102/0x170 [ 2492.745848][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2492.745848][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2492.745848][T16070] netlink_rcv_skb+0x130/0x360 [ 2492.745848][T16070] netlink_unicast+0x449/0x710 [ 2492.745848][T16070] netlink_sendmsg+0x723/0xbe0 [ 2492.745848][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2492.745848][T16070] ___sys_sendmsg+0xee/0x170 [ 2492.745848][T16070] __sys_sendmsg+0xcd/0x170 [ 2492.745848][T16070] do_syscall_64+0xc6/0x1e0 [ 2492.745848][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2492.745848][T16070] [ 2501.784948][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2501.785403][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.785403][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.785403][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.785403][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.785403][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2501.785403][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2501.785403][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2501.785403][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2501.785403][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2501.785403][ T74] addrconf_dad_begin+0x310/0x670 [ 2501.785403][ T74] addrconf_dad_work+0x10b/0xab0 [ 2501.785403][ T74] process_one_work+0x84d/0x18a0 [ 2501.785403][ T74] worker_thread+0x587/0xd30 [ 2501.785403][ T74] kthread+0x28a/0x350 [ 2501.785403][ T74] ret_from_fork+0x31/0x70 [ 2501.785403][ T74] ret_from_fork_asm+0x1a/0x30 [ 2501.785403][ T74] [ 2501.787574][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.787574][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.787574][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.787574][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.787574][ T74] ip6_route_add+0x1c/0x140 [ 2501.787574][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2501.787574][ T74] inet6_addr_add+0x4f8/0xa40 [ 2501.787574][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.787574][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.787574][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.787574][ T74] netlink_unicast+0x449/0x710 [ 2501.787574][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.787574][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.787574][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.787574][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.787574][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.787574][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.787574][ T74] [ 2501.789799][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.789799][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.789799][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.789799][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.789799][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2501.789799][ T74] ipv6_add_addr+0x411/0x2000 [ 2501.789799][ T74] inet6_addr_add+0x30e/0xa40 [ 2501.789799][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.789799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.789799][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.789799][ T74] netlink_unicast+0x449/0x710 [ 2501.789799][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.789799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.789799][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.789799][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.789799][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.789799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.789799][ T74] [ 2501.792041][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.792041][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.792041][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.792041][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.792041][ T74] ip6_route_add+0x1c/0x140 [ 2501.792041][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2501.792041][ T74] addrconf_add_dev+0xe2/0x170 [ 2501.792041][ T74] inet6_addr_add+0x12f/0xa40 [ 2501.792041][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.792041][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.792041][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.792041][ T74] netlink_unicast+0x449/0x710 [ 2501.792041][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.792041][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.792041][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.792041][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.792041][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.792041][ T74] [ 2501.794224][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.794224][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2501.794224][ T74] ipv6_find_idev+0x102/0x170 [ 2501.794224][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.794224][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.794224][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.794224][ T74] netlink_unicast+0x449/0x710 [ 2501.794224][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.794224][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.794224][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.794224][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.794224][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.794224][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.794224][ T74] [ 2501.795950][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2501.795950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2501.795950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2501.795950][ T74] ipv6_find_idev+0x102/0x170 [ 2501.795950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.795950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.795950][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.795950][ T74] netlink_unicast+0x449/0x710 [ 2501.795950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.795950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.795950][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.795950][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.795950][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.795950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.795950][ T74] [ 2501.797834][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2501.798094][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.798094][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.798094][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.798094][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.798094][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2501.798094][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2501.798094][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2501.798094][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2501.798094][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2501.798094][ T74] addrconf_dad_begin+0x310/0x670 [ 2501.798094][ T74] addrconf_dad_work+0x10b/0xab0 [ 2501.798094][ T74] process_one_work+0x84d/0x18a0 [ 2501.798094][ T74] worker_thread+0x587/0xd30 [ 2501.798094][ T74] kthread+0x28a/0x350 [ 2501.798094][ T74] ret_from_fork+0x31/0x70 [ 2501.798094][ T74] ret_from_fork_asm+0x1a/0x30 [ 2501.798094][ T74] [ 2501.800228][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.800228][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.800228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.800228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.800228][ T74] ip6_route_add+0x1c/0x140 [ 2501.800228][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2501.800228][ T74] inet6_addr_add+0x4f8/0xa40 [ 2501.800228][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.800228][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.800228][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.800228][ T74] netlink_unicast+0x449/0x710 [ 2501.800228][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.800228][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.800228][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.800228][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.800228][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.800228][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.800228][ T74] [ 2501.802444][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.802444][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.802444][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.802444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.802444][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2501.802444][ T74] ipv6_add_addr+0x411/0x2000 [ 2501.802444][ T74] inet6_addr_add+0x30e/0xa40 [ 2501.802444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.802444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.802444][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.802444][ T74] netlink_unicast+0x449/0x710 [ 2501.802444][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.802444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.802444][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.802444][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.802444][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.802444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.802444][ T74] [ 2501.804662][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.804662][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.804662][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.804662][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.804662][ T74] ip6_route_add+0x1c/0x140 [ 2501.804662][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2501.804662][ T74] addrconf_add_dev+0xe2/0x170 [ 2501.804662][ T74] inet6_addr_add+0x12f/0xa40 [ 2501.804662][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.804662][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.804662][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.804662][ T74] netlink_unicast+0x449/0x710 [ 2501.804662][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.804662][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.804662][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.804662][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.804662][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.804662][ T74] [ 2501.806845][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.806845][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2501.806845][ T74] ipv6_find_idev+0x102/0x170 [ 2501.806845][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.806845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.806845][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.806845][ T74] netlink_unicast+0x449/0x710 [ 2501.806845][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.806845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.806845][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.806845][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.806845][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.806845][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.806845][ T74] [ 2501.808571][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2501.808571][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2501.808571][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2501.808571][ T74] ipv6_find_idev+0x102/0x170 [ 2501.808571][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.808571][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.808571][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.808571][ T74] netlink_unicast+0x449/0x710 [ 2501.808571][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.808571][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.808571][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.808571][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.808571][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.808571][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.808571][ T74] [ 2501.810463][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2501.810741][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.810741][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.810741][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.810741][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.810741][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2501.810741][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2501.810741][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2501.810741][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2501.810741][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2501.810741][ T74] addrconf_dad_begin+0x310/0x670 [ 2501.810741][ T74] addrconf_dad_work+0x10b/0xab0 [ 2501.810741][ T74] process_one_work+0x84d/0x18a0 [ 2501.810741][ T74] worker_thread+0x587/0xd30 [ 2501.810741][ T74] kthread+0x28a/0x350 [ 2501.810741][ T74] ret_from_fork+0x31/0x70 [ 2501.810741][ T74] ret_from_fork_asm+0x1a/0x30 [ 2501.810741][ T74] [ 2501.812876][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.812876][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.812876][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.812876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.812876][ T74] ip6_route_add+0x1c/0x140 [ 2501.812876][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2501.812876][ T74] inet6_addr_add+0x4f8/0xa40 [ 2501.812876][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.812876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.812876][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.812876][ T74] netlink_unicast+0x449/0x710 [ 2501.812876][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.812876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.812876][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.812876][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.812876][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.812876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.812876][ T74] [ 2501.815295][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.815295][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.815295][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.815295][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.815295][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2501.815295][ T74] ipv6_add_addr+0x411/0x2000 [ 2501.815295][ T74] inet6_addr_add+0x30e/0xa40 [ 2501.815295][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.815295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.815295][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.815295][ T74] netlink_unicast+0x449/0x710 [ 2501.815295][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.815295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.815295][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.815295][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.815295][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.815295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.815295][ T74] [ 2501.817814][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.817814][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.817814][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.817814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.817814][ T74] ip6_route_add+0x1c/0x140 [ 2501.817814][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2501.817814][ T74] addrconf_add_dev+0xe2/0x170 [ 2501.817814][ T74] inet6_addr_add+0x12f/0xa40 [ 2501.817814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.817814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.817814][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.817814][ T74] netlink_unicast+0x449/0x710 [ 2501.817814][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.817814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.817814][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.817814][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.817814][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.817814][ T74] [ 2501.820244][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.820244][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2501.820244][ T74] ipv6_find_idev+0x102/0x170 [ 2501.820244][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.820244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.820244][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.820244][ T74] netlink_unicast+0x449/0x710 [ 2501.820244][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.820244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.820244][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.820244][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.820244][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.820244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.820244][ T74] [ 2501.822145][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2501.822145][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2501.822145][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2501.822145][ T74] ipv6_find_idev+0x102/0x170 [ 2501.822145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.822145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.822145][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.822145][ T74] netlink_unicast+0x449/0x710 [ 2501.822145][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.822145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.822145][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.822145][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.822145][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.822145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.822145][ T74] [ 2501.824200][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2501.824476][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.824476][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.824476][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.824476][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.824476][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2501.824476][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2501.824476][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2501.824476][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2501.824476][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2501.824476][ T74] addrconf_dad_begin+0x310/0x670 [ 2501.824476][ T74] addrconf_dad_work+0x10b/0xab0 [ 2501.824476][ T74] process_one_work+0x84d/0x18a0 [ 2501.824476][ T74] worker_thread+0x587/0xd30 [ 2501.824476][ T74] kthread+0x28a/0x350 [ 2501.824476][ T74] ret_from_fork+0x31/0x70 [ 2501.824476][ T74] ret_from_fork_asm+0x1a/0x30 [ 2501.824476][ T74] [ 2501.826904][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.826904][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.826904][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.826904][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.826904][ T74] ip6_route_add+0x1c/0x140 [ 2501.826904][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2501.826904][ T74] inet6_addr_add+0x4f8/0xa40 [ 2501.826904][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.826904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.826904][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.826904][ T74] netlink_unicast+0x449/0x710 [ 2501.826904][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.826904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.826904][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.826904][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.826904][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.826904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.826904][ T74] [ 2501.829387][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.829387][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.829387][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.829387][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.829387][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2501.829387][ T74] ipv6_add_addr+0x411/0x2000 [ 2501.829387][ T74] inet6_addr_add+0x30e/0xa40 [ 2501.829387][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.829387][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.829387][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.829387][ T74] netlink_unicast+0x449/0x710 [ 2501.829387][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.829387][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.829387][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.829387][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.829387][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.829387][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.829387][ T74] [ 2501.831877][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.831877][ T74] netdev_get_by_index+0x5e/0x80 [ 2501.831877][ T74] fib6_nh_init+0x3d8/0x1580 [ 2501.831877][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2501.831877][ T74] ip6_route_add+0x1c/0x140 [ 2501.831877][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2501.831877][ T74] addrconf_add_dev+0xe2/0x170 [ 2501.831877][ T74] inet6_addr_add+0x12f/0xa40 [ 2501.831877][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2501.831877][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.831877][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.831877][ T74] netlink_unicast+0x449/0x710 [ 2501.831877][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.831877][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.831877][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.831877][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.831877][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.831877][ T74] [ 2501.834321][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.834321][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2501.834321][ T74] ipv6_find_idev+0x102/0x170 [ 2501.834321][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.834321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.834321][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.834321][ T74] netlink_unicast+0x449/0x710 [ 2501.834321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.834321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.834321][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.834321][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.834321][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.834321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.834321][ T74] [ 2501.837080][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2501.837080][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2501.837080][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2501.837080][ T74] ipv6_find_idev+0x102/0x170 [ 2501.837080][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2501.837080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2501.837080][ T74] netlink_rcv_skb+0x130/0x360 [ 2501.837080][ T74] netlink_unicast+0x449/0x710 [ 2501.837080][ T74] netlink_sendmsg+0x723/0xbe0 [ 2501.837080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2501.837080][ T74] ___sys_sendmsg+0xee/0x170 [ 2501.837080][ T74] __sys_sendmsg+0xcd/0x170 [ 2501.837080][ T74] do_syscall_64+0xc6/0x1e0 [ 2501.837080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2501.837080][ T74] [ 2502.984960][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2502.985386][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2502.985386][T16070] dst_init+0x84/0x4a0 [ 2502.985386][T16070] dst_alloc+0x97/0x150 [ 2502.985386][T16070] ip6_dst_alloc+0x23/0x90 [ 2502.985386][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2502.985386][T16070] ip6_pol_route+0x56f/0x840 [ 2502.985386][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2502.985386][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2502.985386][T16070] fib6_rule_lookup+0x182/0x630 [ 2502.985386][T16070] ip6_route_output_flags+0x259/0x480 [ 2502.985386][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2502.985386][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2502.985386][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2502.985386][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2502.985386][T16070] ip6_datagram_connect+0x2c/0x50 [ 2502.985386][T16070] __sys_connect+0x217/0x2a0 [ 2502.985386][T16070] __x64_sys_connect+0x72/0xb0 [ 2502.985386][T16070] [ 2502.988147][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2502.988147][T16070] dst_init+0x84/0x4a0 [ 2502.988147][T16070] dst_alloc+0x97/0x150 [ 2502.988147][T16070] ip6_dst_alloc+0x23/0x90 [ 2502.988147][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2502.988147][T16070] ip6_pol_route+0x56f/0x840 [ 2502.988147][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2502.988147][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2502.988147][T16070] fib6_rule_lookup+0x182/0x630 [ 2502.988147][T16070] ip6_route_output_flags+0x259/0x480 [ 2502.988147][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2502.988147][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2502.988147][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2502.988147][T16070] __inet_stream_connect+0x272/0x9f0 [ 2502.988147][T16070] inet_stream_connect+0x57/0xa0 [ 2502.988147][T16070] __sys_connect+0x217/0x2a0 [ 2502.988147][T16070] __x64_sys_connect+0x72/0xb0 [ 2502.988147][T16070] [ 2502.990513][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2502.990513][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2502.990513][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2502.990513][T16070] fib6_nh_init+0xa22/0x1580 [ 2502.990513][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2502.990513][T16070] ip6_route_add+0x1c/0x140 [ 2502.990513][T16070] inet6_rtm_newroute+0x104/0x110 [ 2502.990513][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.990513][T16070] netlink_rcv_skb+0x130/0x360 [ 2502.990513][T16070] netlink_unicast+0x449/0x710 [ 2502.990513][T16070] netlink_sendmsg+0x723/0xbe0 [ 2502.990513][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2502.990513][T16070] ___sys_sendmsg+0xee/0x170 [ 2502.990513][T16070] __sys_sendmsg+0xcd/0x170 [ 2502.990513][T16070] do_syscall_64+0xc6/0x1e0 [ 2502.990513][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.990513][T16070] [ 2502.992687][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2502.992687][T16070] dst_init+0x84/0x4a0 [ 2502.992687][T16070] dst_alloc+0x97/0x150 [ 2502.992687][T16070] ip6_dst_alloc+0x23/0x90 [ 2502.992687][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2502.992687][T16070] ip6_pol_route+0x56f/0x840 [ 2502.992687][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2502.992687][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2502.992687][T16070] fib6_rule_lookup+0x182/0x630 [ 2502.992687][T16070] ip6_route_input+0x59c/0xa50 [ 2502.992687][T16070] ipv6_rcv+0x397/0x810 [ 2502.992687][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2502.992687][T16070] process_backlog+0x101/0x620 [ 2502.992687][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2502.992687][T16070] net_rx_action+0x495/0xbe0 [ 2502.992687][T16070] __do_softirq+0x1b5/0x7f6 [ 2502.992687][T16070] [ 2502.994787][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2502.994787][T16070] netdev_get_by_index+0x5e/0x80 [ 2502.994787][T16070] fib6_nh_init+0x3d8/0x1580 [ 2502.994787][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2502.994787][T16070] ip6_route_add+0x1c/0x140 [ 2502.994787][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2502.994787][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2502.994787][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2502.994787][T16070] addrconf_dad_begin+0x310/0x670 [ 2502.994787][T16070] addrconf_dad_work+0x10b/0xab0 [ 2502.994787][T16070] process_one_work+0x84d/0x18a0 [ 2502.994787][T16070] worker_thread+0x587/0xd30 [ 2502.994787][T16070] kthread+0x28a/0x350 [ 2502.994787][T16070] ret_from_fork+0x31/0x70 [ 2502.994787][T16070] ret_from_fork_asm+0x1a/0x30 [ 2502.994787][T16070] [ 2502.996793][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2502.996793][T16070] netdev_get_by_index+0x5e/0x80 [ 2502.996793][T16070] fib6_nh_init+0x3d8/0x1580 [ 2502.996793][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2502.996793][T16070] ip6_route_add+0x1c/0x140 [ 2502.996793][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2502.996793][T16070] inet6_addr_add+0x4f8/0xa40 [ 2502.996793][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.996793][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.996793][T16070] netlink_rcv_skb+0x130/0x360 [ 2502.996793][T16070] netlink_unicast+0x449/0x710 [ 2502.996793][T16070] netlink_sendmsg+0x723/0xbe0 [ 2502.996793][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2502.996793][T16070] ___sys_sendmsg+0xee/0x170 [ 2502.996793][T16070] __sys_sendmsg+0xcd/0x170 [ 2502.996793][T16070] do_syscall_64+0xc6/0x1e0 [ 2502.996793][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.996793][T16070] [ 2502.999034][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2502.999034][T16070] netdev_get_by_index+0x5e/0x80 [ 2502.999034][T16070] fib6_nh_init+0x3d8/0x1580 [ 2502.999034][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2502.999034][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2502.999034][T16070] ipv6_add_addr+0x411/0x2000 [ 2502.999034][T16070] inet6_addr_add+0x30e/0xa40 [ 2502.999034][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2502.999034][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2502.999034][T16070] netlink_rcv_skb+0x130/0x360 [ 2502.999034][T16070] netlink_unicast+0x449/0x710 [ 2502.999034][T16070] netlink_sendmsg+0x723/0xbe0 [ 2502.999034][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2502.999034][T16070] ___sys_sendmsg+0xee/0x170 [ 2502.999034][T16070] __sys_sendmsg+0xcd/0x170 [ 2502.999034][T16070] do_syscall_64+0xc6/0x1e0 [ 2502.999034][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2502.999034][T16070] [ 2503.001282][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2503.001282][T16070] netdev_get_by_index+0x5e/0x80 [ 2503.001282][T16070] fib6_nh_init+0x3d8/0x1580 [ 2503.001282][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2503.001282][T16070] ip6_route_add+0x1c/0x140 [ 2503.001282][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.001282][T16070] addrconf_add_dev+0xe2/0x170 [ 2503.001282][T16070] inet6_addr_add+0x12f/0xa40 [ 2503.001282][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.001282][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.001282][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.001282][T16070] netlink_unicast+0x449/0x710 [ 2503.001282][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.001282][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.001282][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.001282][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.001282][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.001282][T16070] [ 2503.003496][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2503.003496][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2503.003496][T16070] ipv6_find_idev+0x102/0x170 [ 2503.003496][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.003496][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.003496][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.003496][T16070] netlink_unicast+0x449/0x710 [ 2503.003496][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.003496][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.003496][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.003496][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.003496][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.003496][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.003496][T16070] [ 2503.005225][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2503.005225][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2503.005225][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2503.005225][T16070] ipv6_find_idev+0x102/0x170 [ 2503.005225][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.005225][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.005225][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.005225][T16070] netlink_unicast+0x449/0x710 [ 2503.005225][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.005225][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.005225][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.005225][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.005225][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.005225][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.005225][T16070] [ 2503.007131][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2503.007434][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2503.007434][T16070] dst_init+0x84/0x4a0 [ 2503.007434][T16070] dst_alloc+0x97/0x150 [ 2503.007434][T16070] ip6_dst_alloc+0x23/0x90 [ 2503.007434][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.007434][T16070] ip6_pol_route+0x56f/0x840 [ 2503.007434][T16070] fib6_rule_lookup+0x334/0x630 [ 2503.007434][T16070] ip6_route_output_flags+0x259/0x480 [ 2503.007434][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2503.007434][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2503.007434][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2503.007434][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2503.007434][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2503.007434][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.007434][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.007434][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.007434][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.007434][T16070] [ 2503.009687][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.009687][T16070] dst_init+0x84/0x4a0 [ 2503.009687][T16070] dst_alloc+0x97/0x150 [ 2503.009687][T16070] ip6_dst_alloc+0x23/0x90 [ 2503.009687][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.009687][T16070] ip6_pol_route+0x56f/0x840 [ 2503.009687][T16070] fib6_rule_lookup+0x334/0x630 [ 2503.009687][T16070] ip6_route_output_flags+0x259/0x480 [ 2503.009687][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2503.009687][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2503.009687][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2503.009687][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2503.009687][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2503.009687][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2503.009687][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2503.009687][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2503.009687][T16070] ip6_input_finish+0x120/0x260 [ 2503.009687][T16070] [ 2503.011963][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.011963][T16070] dst_init+0x84/0x4a0 [ 2503.011963][T16070] dst_alloc+0x97/0x150 [ 2503.011963][T16070] ip6_dst_alloc+0x23/0x90 [ 2503.011963][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2503.011963][T16070] ip6_pol_route+0x56f/0x840 [ 2503.011963][T16070] fib6_rule_lookup+0x456/0x630 [ 2503.011963][T16070] ip6_route_input+0x59c/0xa50 [ 2503.011963][T16070] ipv6_rcv+0x397/0x810 [ 2503.011963][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2503.011963][T16070] process_backlog+0x101/0x620 [ 2503.011963][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2503.011963][T16070] net_rx_action+0x495/0xbe0 [ 2503.011963][T16070] __do_softirq+0x1b5/0x7f6 [ 2503.011963][T16070] [ 2503.013809][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.013809][T16070] netdev_get_by_index+0x5e/0x80 [ 2503.013809][T16070] fib6_nh_init+0x3d8/0x1580 [ 2503.013809][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2503.013809][T16070] ip6_route_add+0x1c/0x140 [ 2503.013809][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2503.013809][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2503.013809][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2503.013809][T16070] addrconf_dad_begin+0x310/0x670 [ 2503.013809][T16070] addrconf_dad_work+0x10b/0xab0 [ 2503.013809][T16070] process_one_work+0x84d/0x18a0 [ 2503.013809][T16070] worker_thread+0x587/0xd30 [ 2503.013809][T16070] kthread+0x28a/0x350 [ 2503.013809][T16070] ret_from_fork+0x31/0x70 [ 2503.013809][T16070] ret_from_fork_asm+0x1a/0x30 [ 2503.013809][T16070] [ 2503.015977][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.015977][T16070] netdev_get_by_index+0x5e/0x80 [ 2503.015977][T16070] fib6_nh_init+0x3d8/0x1580 [ 2503.015977][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2503.015977][T16070] ip6_route_add+0x1c/0x140 [ 2503.015977][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2503.015977][T16070] inet6_addr_add+0x4f8/0xa40 [ 2503.015977][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.015977][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.015977][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.015977][T16070] netlink_unicast+0x449/0x710 [ 2503.015977][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.015977][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.015977][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.015977][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.015977][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.015977][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.015977][T16070] [ 2503.018384][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.018384][T16070] netdev_get_by_index+0x5e/0x80 [ 2503.018384][T16070] fib6_nh_init+0x3d8/0x1580 [ 2503.018384][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2503.018384][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2503.018384][T16070] ipv6_add_addr+0x411/0x2000 [ 2503.018384][T16070] inet6_addr_add+0x30e/0xa40 [ 2503.018384][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.018384][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.018384][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.018384][T16070] netlink_unicast+0x449/0x710 [ 2503.018384][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.018384][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.018384][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.018384][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.018384][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.018384][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.018384][T16070] [ 2503.020791][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.020791][T16070] netdev_get_by_index+0x5e/0x80 [ 2503.020791][T16070] fib6_nh_init+0x3d8/0x1580 [ 2503.020791][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2503.020791][T16070] ip6_route_add+0x1c/0x140 [ 2503.020791][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2503.020791][T16070] addrconf_add_dev+0xe2/0x170 [ 2503.020791][T16070] inet6_addr_add+0x12f/0xa40 [ 2503.020791][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2503.020791][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.020791][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.020791][T16070] netlink_unicast+0x449/0x710 [ 2503.020791][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.020791][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.020791][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.020791][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.020791][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.020791][T16070] [ 2503.023064][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.023064][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2503.023064][T16070] ipv6_find_idev+0x102/0x170 [ 2503.023064][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.023064][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.023064][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.023064][T16070] netlink_unicast+0x449/0x710 [ 2503.023064][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.023064][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.023064][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.023064][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.023064][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.023064][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.023064][T16070] [ 2503.024955][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2503.024955][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2503.024955][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2503.024955][T16070] ipv6_find_idev+0x102/0x170 [ 2503.024955][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2503.024955][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2503.024955][T16070] netlink_rcv_skb+0x130/0x360 [ 2503.024955][T16070] netlink_unicast+0x449/0x710 [ 2503.024955][T16070] netlink_sendmsg+0x723/0xbe0 [ 2503.024955][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2503.024955][T16070] ___sys_sendmsg+0xee/0x170 [ 2503.024955][T16070] __sys_sendmsg+0xcd/0x170 [ 2503.024955][T16070] do_syscall_64+0xc6/0x1e0 [ 2503.024955][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2503.024955][T16070] [ 2512.088931][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2512.089397][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.089397][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.089397][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.089397][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.089397][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.089397][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.089397][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.089397][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.089397][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.089397][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.089397][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.089397][ T74] process_one_work+0x84d/0x18a0 [ 2512.089397][ T74] worker_thread+0x587/0xd30 [ 2512.089397][ T74] kthread+0x28a/0x350 [ 2512.089397][ T74] ret_from_fork+0x31/0x70 [ 2512.089397][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.089397][ T74] [ 2512.091562][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.091562][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.091562][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.091562][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.091562][ T74] ip6_route_add+0x1c/0x140 [ 2512.091562][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.091562][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.091562][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.091562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.091562][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.091562][ T74] netlink_unicast+0x449/0x710 [ 2512.091562][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.091562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.091562][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.091562][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.091562][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.091562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.091562][ T74] [ 2512.093795][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.093795][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.093795][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.093795][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.093795][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.093795][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.093795][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.093795][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.093795][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.093795][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.093795][ T74] netlink_unicast+0x449/0x710 [ 2512.093795][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.093795][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.093795][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.093795][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.093795][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.093795][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.093795][ T74] [ 2512.096021][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.096021][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.096021][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.096021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.096021][ T74] ip6_route_add+0x1c/0x140 [ 2512.096021][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.096021][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.096021][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.096021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.096021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.096021][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.096021][ T74] netlink_unicast+0x449/0x710 [ 2512.096021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.096021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.096021][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.096021][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.096021][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.096021][ T74] [ 2512.098233][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.098233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.098233][ T74] ipv6_find_idev+0x102/0x170 [ 2512.098233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.098233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.098233][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.098233][ T74] netlink_unicast+0x449/0x710 [ 2512.098233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.098233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.098233][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.098233][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.098233][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.098233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.098233][ T74] [ 2512.099935][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2512.099935][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.099935][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.099935][ T74] ipv6_find_idev+0x102/0x170 [ 2512.099935][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.099935][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.099935][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.099935][ T74] netlink_unicast+0x449/0x710 [ 2512.099935][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.099935][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.099935][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.099935][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.099935][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.099935][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.099935][ T74] [ 2512.101838][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2512.102100][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.102100][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.102100][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.102100][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.102100][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.102100][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.102100][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.102100][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.102100][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.102100][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.102100][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.102100][ T74] process_one_work+0x84d/0x18a0 [ 2512.102100][ T74] worker_thread+0x587/0xd30 [ 2512.102100][ T74] kthread+0x28a/0x350 [ 2512.102100][ T74] ret_from_fork+0x31/0x70 [ 2512.102100][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.102100][ T74] [ 2512.104237][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.104237][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.104237][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.104237][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.104237][ T74] ip6_route_add+0x1c/0x140 [ 2512.104237][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.104237][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.104237][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.104237][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.104237][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.104237][ T74] netlink_unicast+0x449/0x710 [ 2512.104237][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.104237][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.104237][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.104237][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.104237][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.104237][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.104237][ T74] [ 2512.106462][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.106462][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.106462][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.106462][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.106462][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.106462][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.106462][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.106462][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.106462][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.106462][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.106462][ T74] netlink_unicast+0x449/0x710 [ 2512.106462][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.106462][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.106462][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.106462][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.106462][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.106462][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.106462][ T74] [ 2512.108719][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.108719][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.108719][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.108719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.108719][ T74] ip6_route_add+0x1c/0x140 [ 2512.108719][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.108719][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.108719][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.108719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.108719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.108719][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.108719][ T74] netlink_unicast+0x449/0x710 [ 2512.108719][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.108719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.108719][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.108719][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.108719][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.108719][ T74] [ 2512.110919][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.110919][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.110919][ T74] ipv6_find_idev+0x102/0x170 [ 2512.110919][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.110919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.110919][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.110919][ T74] netlink_unicast+0x449/0x710 [ 2512.110919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.110919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.110919][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.110919][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.110919][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.110919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.110919][ T74] [ 2512.112637][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2512.112637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.112637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.112637][ T74] ipv6_find_idev+0x102/0x170 [ 2512.112637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.112637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.112637][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.112637][ T74] netlink_unicast+0x449/0x710 [ 2512.112637][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.112637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.112637][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.112637][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.112637][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.112637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.112637][ T74] [ 2512.114509][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2512.114768][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.114768][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.114768][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.114768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.114768][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.114768][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.114768][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.114768][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.114768][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.114768][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.114768][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.114768][ T74] process_one_work+0x84d/0x18a0 [ 2512.114768][ T74] worker_thread+0x587/0xd30 [ 2512.114768][ T74] kthread+0x28a/0x350 [ 2512.114768][ T74] ret_from_fork+0x31/0x70 [ 2512.114768][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.114768][ T74] [ 2512.116900][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.116900][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.116900][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.116900][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.116900][ T74] ip6_route_add+0x1c/0x140 [ 2512.116900][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.116900][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.116900][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.116900][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.116900][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.116900][ T74] netlink_unicast+0x449/0x710 [ 2512.116900][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.116900][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.116900][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.116900][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.116900][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.116900][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.116900][ T74] [ 2512.119311][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.119311][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.119311][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.119311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.119311][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.119311][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.119311][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.119311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.119311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.119311][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.119311][ T74] netlink_unicast+0x449/0x710 [ 2512.119311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.119311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.119311][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.119311][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.119311][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.119311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.119311][ T74] [ 2512.121853][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.121853][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.121853][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.121853][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.121853][ T74] ip6_route_add+0x1c/0x140 [ 2512.121853][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.121853][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.121853][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.121853][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.121853][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.121853][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.121853][ T74] netlink_unicast+0x449/0x710 [ 2512.121853][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.121853][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.121853][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.121853][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.121853][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.121853][ T74] [ 2512.124292][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.124292][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.124292][ T74] ipv6_find_idev+0x102/0x170 [ 2512.124292][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.124292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.124292][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.124292][ T74] netlink_unicast+0x449/0x710 [ 2512.124292][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.124292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.124292][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.124292][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.124292][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.124292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.124292][ T74] [ 2512.126190][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2512.126190][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.126190][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.126190][ T74] ipv6_find_idev+0x102/0x170 [ 2512.126190][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.126190][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.126190][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.126190][ T74] netlink_unicast+0x449/0x710 [ 2512.126190][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.126190][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.126190][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.126190][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.126190][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.126190][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.126190][ T74] [ 2512.128254][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2512.128511][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.128511][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.128511][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.128511][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.128511][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2512.128511][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2512.128511][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2512.128511][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2512.128511][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2512.128511][ T74] addrconf_dad_begin+0x310/0x670 [ 2512.128511][ T74] addrconf_dad_work+0x10b/0xab0 [ 2512.128511][ T74] process_one_work+0x84d/0x18a0 [ 2512.128511][ T74] worker_thread+0x587/0xd30 [ 2512.128511][ T74] kthread+0x28a/0x350 [ 2512.128511][ T74] ret_from_fork+0x31/0x70 [ 2512.128511][ T74] ret_from_fork_asm+0x1a/0x30 [ 2512.128511][ T74] [ 2512.130963][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.130963][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.130963][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.130963][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.130963][ T74] ip6_route_add+0x1c/0x140 [ 2512.130963][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2512.130963][ T74] inet6_addr_add+0x4f8/0xa40 [ 2512.130963][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.130963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.130963][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.130963][ T74] netlink_unicast+0x449/0x710 [ 2512.130963][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.130963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.130963][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.130963][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.130963][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.130963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.130963][ T74] [ 2512.133448][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.133448][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.133448][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.133448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.133448][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2512.133448][ T74] ipv6_add_addr+0x411/0x2000 [ 2512.133448][ T74] inet6_addr_add+0x30e/0xa40 [ 2512.133448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.133448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.133448][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.133448][ T74] netlink_unicast+0x449/0x710 [ 2512.133448][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.133448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.133448][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.133448][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.133448][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.133448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.133448][ T74] [ 2512.135923][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.135923][ T74] netdev_get_by_index+0x5e/0x80 [ 2512.135923][ T74] fib6_nh_init+0x3d8/0x1580 [ 2512.135923][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2512.135923][ T74] ip6_route_add+0x1c/0x140 [ 2512.135923][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2512.135923][ T74] addrconf_add_dev+0xe2/0x170 [ 2512.135923][ T74] inet6_addr_add+0x12f/0xa40 [ 2512.135923][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2512.135923][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.135923][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.135923][ T74] netlink_unicast+0x449/0x710 [ 2512.135923][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.135923][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.135923][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.135923][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.135923][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.135923][ T74] [ 2512.138353][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.138353][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2512.138353][ T74] ipv6_find_idev+0x102/0x170 [ 2512.138353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.138353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.138353][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.138353][ T74] netlink_unicast+0x449/0x710 [ 2512.138353][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.138353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.138353][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.138353][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.138353][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.138353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.138353][ T74] [ 2512.140203][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2512.140203][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2512.140203][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2512.140203][ T74] ipv6_find_idev+0x102/0x170 [ 2512.140203][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2512.140203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2512.140203][ T74] netlink_rcv_skb+0x130/0x360 [ 2512.140203][ T74] netlink_unicast+0x449/0x710 [ 2512.140203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2512.140203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2512.140203][ T74] ___sys_sendmsg+0xee/0x170 [ 2512.140203][ T74] __sys_sendmsg+0xcd/0x170 [ 2512.140203][ T74] do_syscall_64+0xc6/0x1e0 [ 2512.140203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2512.140203][ T74] [ 2513.265009][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2513.265418][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2513.265418][T16070] dst_init+0x84/0x4a0 [ 2513.265418][T16070] dst_alloc+0x97/0x150 [ 2513.265418][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.265418][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.265418][T16070] ip6_pol_route+0x56f/0x840 [ 2513.265418][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2513.265418][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2513.265418][T16070] fib6_rule_lookup+0x182/0x630 [ 2513.265418][T16070] ip6_route_output_flags+0x259/0x480 [ 2513.265418][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2513.265418][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2513.265418][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2513.265418][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2513.265418][T16070] ip6_datagram_connect+0x2c/0x50 [ 2513.265418][T16070] __sys_connect+0x217/0x2a0 [ 2513.265418][T16070] __x64_sys_connect+0x72/0xb0 [ 2513.265418][T16070] [ 2513.267722][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2513.267722][T16070] dst_init+0x84/0x4a0 [ 2513.267722][T16070] dst_alloc+0x97/0x150 [ 2513.267722][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.267722][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.267722][T16070] ip6_pol_route+0x56f/0x840 [ 2513.267722][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2513.267722][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2513.267722][T16070] fib6_rule_lookup+0x182/0x630 [ 2513.267722][T16070] ip6_route_output_flags+0x259/0x480 [ 2513.267722][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2513.267722][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2513.267722][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2513.267722][T16070] __inet_stream_connect+0x272/0x9f0 [ 2513.267722][T16070] inet_stream_connect+0x57/0xa0 [ 2513.267722][T16070] __sys_connect+0x217/0x2a0 [ 2513.267722][T16070] __x64_sys_connect+0x72/0xb0 [ 2513.267722][T16070] [ 2513.269985][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.269985][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2513.269985][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2513.269985][T16070] fib6_nh_init+0xa22/0x1580 [ 2513.269985][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.269985][T16070] ip6_route_add+0x1c/0x140 [ 2513.269985][T16070] inet6_rtm_newroute+0x104/0x110 [ 2513.269985][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.269985][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.269985][T16070] netlink_unicast+0x449/0x710 [ 2513.269985][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.269985][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.269985][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.269985][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.269985][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.269985][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.269985][T16070] [ 2513.272125][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.272125][T16070] dst_init+0x84/0x4a0 [ 2513.272125][T16070] dst_alloc+0x97/0x150 [ 2513.272125][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.272125][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.272125][T16070] ip6_pol_route+0x56f/0x840 [ 2513.272125][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2513.272125][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2513.272125][T16070] fib6_rule_lookup+0x182/0x630 [ 2513.272125][T16070] ip6_route_input+0x59c/0xa50 [ 2513.272125][T16070] ipv6_rcv+0x397/0x810 [ 2513.272125][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2513.272125][T16070] process_backlog+0x101/0x620 [ 2513.272125][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2513.272125][T16070] net_rx_action+0x495/0xbe0 [ 2513.272125][T16070] __do_softirq+0x1b5/0x7f6 [ 2513.272125][T16070] [ 2513.274196][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.274196][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.274196][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.274196][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.274196][T16070] ip6_route_add+0x1c/0x140 [ 2513.274196][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2513.274196][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2513.274196][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2513.274196][T16070] addrconf_dad_begin+0x310/0x670 [ 2513.274196][T16070] addrconf_dad_work+0x10b/0xab0 [ 2513.274196][T16070] process_one_work+0x84d/0x18a0 [ 2513.274196][T16070] worker_thread+0x587/0xd30 [ 2513.274196][T16070] kthread+0x28a/0x350 [ 2513.274196][T16070] ret_from_fork+0x31/0x70 [ 2513.274196][T16070] ret_from_fork_asm+0x1a/0x30 [ 2513.274196][T16070] [ 2513.276201][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.276201][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.276201][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.276201][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.276201][T16070] ip6_route_add+0x1c/0x140 [ 2513.276201][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2513.276201][T16070] inet6_addr_add+0x4f8/0xa40 [ 2513.276201][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.276201][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.276201][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.276201][T16070] netlink_unicast+0x449/0x710 [ 2513.276201][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.276201][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.276201][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.276201][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.276201][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.276201][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.276201][T16070] [ 2513.278451][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.278451][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.278451][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.278451][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.278451][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2513.278451][T16070] ipv6_add_addr+0x411/0x2000 [ 2513.278451][T16070] inet6_addr_add+0x30e/0xa40 [ 2513.278451][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.278451][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.278451][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.278451][T16070] netlink_unicast+0x449/0x710 [ 2513.278451][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.278451][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.278451][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.278451][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.278451][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.278451][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.278451][T16070] [ 2513.280719][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.280719][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.280719][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.280719][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.280719][T16070] ip6_route_add+0x1c/0x140 [ 2513.280719][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.280719][T16070] addrconf_add_dev+0xe2/0x170 [ 2513.280719][T16070] inet6_addr_add+0x12f/0xa40 [ 2513.280719][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.280719][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.280719][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.280719][T16070] netlink_unicast+0x449/0x710 [ 2513.280719][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.280719][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.280719][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.280719][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.280719][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.280719][T16070] [ 2513.282920][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.282920][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2513.282920][T16070] ipv6_find_idev+0x102/0x170 [ 2513.282920][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.282920][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.282920][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.282920][T16070] netlink_unicast+0x449/0x710 [ 2513.282920][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.282920][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.282920][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.282920][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.282920][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.282920][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.282920][T16070] [ 2513.284660][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2513.284660][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2513.284660][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2513.284660][T16070] ipv6_find_idev+0x102/0x170 [ 2513.284660][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.284660][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.284660][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.284660][T16070] netlink_unicast+0x449/0x710 [ 2513.284660][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.284660][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.284660][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.284660][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.284660][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.284660][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.284660][T16070] [ 2513.286571][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2513.286898][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2513.286898][T16070] dst_init+0x84/0x4a0 [ 2513.286898][T16070] dst_alloc+0x97/0x150 [ 2513.286898][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.286898][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.286898][T16070] ip6_pol_route+0x56f/0x840 [ 2513.286898][T16070] fib6_rule_lookup+0x334/0x630 [ 2513.286898][T16070] ip6_route_output_flags+0x259/0x480 [ 2513.286898][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2513.286898][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2513.286898][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2513.286898][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2513.286898][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2513.286898][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.286898][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.286898][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.286898][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.286898][T16070] [ 2513.289693][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.289693][T16070] dst_init+0x84/0x4a0 [ 2513.289693][T16070] dst_alloc+0x97/0x150 [ 2513.289693][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.289693][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.289693][T16070] ip6_pol_route+0x56f/0x840 [ 2513.289693][T16070] fib6_rule_lookup+0x334/0x630 [ 2513.289693][T16070] ip6_route_output_flags+0x259/0x480 [ 2513.289693][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2513.289693][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2513.289693][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2513.289693][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2513.289693][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2513.289693][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2513.289693][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2513.289693][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2513.289693][T16070] ip6_input_finish+0x120/0x260 [ 2513.289693][T16070] [ 2513.291976][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.291976][T16070] dst_init+0x84/0x4a0 [ 2513.291976][T16070] dst_alloc+0x97/0x150 [ 2513.291976][T16070] ip6_dst_alloc+0x23/0x90 [ 2513.291976][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2513.291976][T16070] ip6_pol_route+0x56f/0x840 [ 2513.291976][T16070] fib6_rule_lookup+0x456/0x630 [ 2513.291976][T16070] ip6_route_input+0x59c/0xa50 [ 2513.291976][T16070] ipv6_rcv+0x397/0x810 [ 2513.291976][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2513.291976][T16070] process_backlog+0x101/0x620 [ 2513.291976][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2513.291976][T16070] net_rx_action+0x495/0xbe0 [ 2513.291976][T16070] __do_softirq+0x1b5/0x7f6 [ 2513.291976][T16070] [ 2513.293807][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.293807][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.293807][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.293807][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.293807][T16070] ip6_route_add+0x1c/0x140 [ 2513.293807][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2513.293807][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2513.293807][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2513.293807][T16070] addrconf_dad_begin+0x310/0x670 [ 2513.293807][T16070] addrconf_dad_work+0x10b/0xab0 [ 2513.293807][T16070] process_one_work+0x84d/0x18a0 [ 2513.293807][T16070] worker_thread+0x587/0xd30 [ 2513.293807][T16070] kthread+0x28a/0x350 [ 2513.293807][T16070] ret_from_fork+0x31/0x70 [ 2513.293807][T16070] ret_from_fork_asm+0x1a/0x30 [ 2513.293807][T16070] [ 2513.296045][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.296045][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.296045][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.296045][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.296045][T16070] ip6_route_add+0x1c/0x140 [ 2513.296045][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2513.296045][T16070] inet6_addr_add+0x4f8/0xa40 [ 2513.296045][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.296045][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.296045][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.296045][T16070] netlink_unicast+0x449/0x710 [ 2513.296045][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.296045][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.296045][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.296045][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.296045][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.296045][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.296045][T16070] [ 2513.298598][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.298598][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.298598][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.298598][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.298598][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2513.298598][T16070] ipv6_add_addr+0x411/0x2000 [ 2513.298598][T16070] inet6_addr_add+0x30e/0xa40 [ 2513.298598][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.298598][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.298598][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.298598][T16070] netlink_unicast+0x449/0x710 [ 2513.298598][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.298598][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.298598][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.298598][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.298598][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.298598][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.298598][T16070] [ 2513.301156][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.301156][T16070] netdev_get_by_index+0x5e/0x80 [ 2513.301156][T16070] fib6_nh_init+0x3d8/0x1580 [ 2513.301156][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2513.301156][T16070] ip6_route_add+0x1c/0x140 [ 2513.301156][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2513.301156][T16070] addrconf_add_dev+0xe2/0x170 [ 2513.301156][T16070] inet6_addr_add+0x12f/0xa40 [ 2513.301156][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2513.301156][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.301156][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.301156][T16070] netlink_unicast+0x449/0x710 [ 2513.301156][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.301156][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.301156][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.301156][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.301156][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.301156][T16070] [ 2513.303592][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.303592][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2513.303592][T16070] ipv6_find_idev+0x102/0x170 [ 2513.303592][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.303592][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.303592][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.303592][T16070] netlink_unicast+0x449/0x710 [ 2513.303592][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.303592][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.303592][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.303592][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.303592][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.303592][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.303592][T16070] [ 2513.305549][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2513.305549][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2513.305549][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2513.305549][T16070] ipv6_find_idev+0x102/0x170 [ 2513.305549][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2513.305549][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2513.305549][T16070] netlink_rcv_skb+0x130/0x360 [ 2513.305549][T16070] netlink_unicast+0x449/0x710 [ 2513.305549][T16070] netlink_sendmsg+0x723/0xbe0 [ 2513.305549][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2513.305549][T16070] ___sys_sendmsg+0xee/0x170 [ 2513.305549][T16070] __sys_sendmsg+0xcd/0x170 [ 2513.305549][T16070] do_syscall_64+0xc6/0x1e0 [ 2513.305549][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2513.305549][T16070] [ 2522.393018][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2522.393501][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.393501][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.393501][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.393501][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.393501][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.393501][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.393501][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.393501][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.393501][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.393501][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.393501][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.393501][ T74] process_one_work+0x84d/0x18a0 [ 2522.393501][ T74] worker_thread+0x587/0xd30 [ 2522.393501][ T74] kthread+0x28a/0x350 [ 2522.393501][ T74] ret_from_fork+0x31/0x70 [ 2522.393501][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.393501][ T74] [ 2522.395664][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.395664][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.395664][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.395664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.395664][ T74] ip6_route_add+0x1c/0x140 [ 2522.395664][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.395664][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.395664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.395664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.395664][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.395664][ T74] netlink_unicast+0x449/0x710 [ 2522.395664][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.395664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.395664][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.395664][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.395664][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.395664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.395664][ T74] [ 2522.397905][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.397905][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.397905][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.397905][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.397905][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.397905][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.397905][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.397905][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.397905][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.397905][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.397905][ T74] netlink_unicast+0x449/0x710 [ 2522.397905][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.397905][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.397905][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.397905][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.397905][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.397905][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.397905][ T74] [ 2522.400163][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.400163][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.400163][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.400163][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.400163][ T74] ip6_route_add+0x1c/0x140 [ 2522.400163][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.400163][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.400163][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.400163][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.400163][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.400163][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.400163][ T74] netlink_unicast+0x449/0x710 [ 2522.400163][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.400163][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.400163][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.400163][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.400163][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.400163][ T74] [ 2522.402358][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.402358][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.402358][ T74] ipv6_find_idev+0x102/0x170 [ 2522.402358][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.402358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.402358][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.402358][ T74] netlink_unicast+0x449/0x710 [ 2522.402358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.402358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.402358][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.402358][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.402358][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.402358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.402358][ T74] [ 2522.404077][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2522.404077][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.404077][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.404077][ T74] ipv6_find_idev+0x102/0x170 [ 2522.404077][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.404077][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.404077][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.404077][ T74] netlink_unicast+0x449/0x710 [ 2522.404077][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.404077][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.404077][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.404077][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.404077][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.404077][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.404077][ T74] [ 2522.405969][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2522.406227][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.406227][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.406227][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.406227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.406227][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.406227][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.406227][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.406227][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.406227][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.406227][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.406227][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.406227][ T74] process_one_work+0x84d/0x18a0 [ 2522.406227][ T74] worker_thread+0x587/0xd30 [ 2522.406227][ T74] kthread+0x28a/0x350 [ 2522.406227][ T74] ret_from_fork+0x31/0x70 [ 2522.406227][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.406227][ T74] [ 2522.408373][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.408373][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.408373][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.408373][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.408373][ T74] ip6_route_add+0x1c/0x140 [ 2522.408373][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.408373][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.408373][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.408373][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.408373][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.408373][ T74] netlink_unicast+0x449/0x710 [ 2522.408373][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.408373][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.408373][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.408373][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.408373][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.408373][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.408373][ T74] [ 2522.410621][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.410621][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.410621][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.410621][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.410621][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.410621][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.410621][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.410621][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.410621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.410621][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.410621][ T74] netlink_unicast+0x449/0x710 [ 2522.410621][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.410621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.410621][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.410621][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.410621][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.410621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.410621][ T74] [ 2522.412858][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.412858][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.412858][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.412858][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.412858][ T74] ip6_route_add+0x1c/0x140 [ 2522.412858][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.412858][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.412858][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.412858][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.412858][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.412858][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.412858][ T74] netlink_unicast+0x449/0x710 [ 2522.412858][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.412858][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.412858][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.412858][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.412858][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.412858][ T74] [ 2522.415039][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.415039][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.415039][ T74] ipv6_find_idev+0x102/0x170 [ 2522.415039][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.415039][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.415039][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.415039][ T74] netlink_unicast+0x449/0x710 [ 2522.415039][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.415039][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.415039][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.415039][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.415039][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.415039][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.415039][ T74] [ 2522.416749][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2522.416749][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.416749][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.416749][ T74] ipv6_find_idev+0x102/0x170 [ 2522.416749][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.416749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.416749][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.416749][ T74] netlink_unicast+0x449/0x710 [ 2522.416749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.416749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.416749][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.416749][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.416749][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.416749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.416749][ T74] [ 2522.418617][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2522.418888][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.418888][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.418888][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.418888][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.418888][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.418888][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.418888][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.418888][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.418888][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.418888][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.418888][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.418888][ T74] process_one_work+0x84d/0x18a0 [ 2522.418888][ T74] worker_thread+0x587/0xd30 [ 2522.418888][ T74] kthread+0x28a/0x350 [ 2522.418888][ T74] ret_from_fork+0x31/0x70 [ 2522.418888][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.418888][ T74] [ 2522.421031][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.421031][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.421031][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.421031][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.421031][ T74] ip6_route_add+0x1c/0x140 [ 2522.421031][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.421031][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.421031][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.421031][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.421031][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.421031][ T74] netlink_unicast+0x449/0x710 [ 2522.421031][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.421031][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.421031][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.421031][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.421031][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.421031][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.421031][ T74] [ 2522.423448][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.423448][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.423448][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.423448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.423448][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.423448][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.423448][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.423448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.423448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.423448][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.423448][ T74] netlink_unicast+0x449/0x710 [ 2522.423448][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.423448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.423448][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.423448][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.423448][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.423448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.423448][ T74] [ 2522.425983][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.425983][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.425983][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.425983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.425983][ T74] ip6_route_add+0x1c/0x140 [ 2522.425983][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.425983][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.425983][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.425983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.425983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.425983][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.425983][ T74] netlink_unicast+0x449/0x710 [ 2522.425983][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.425983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.425983][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.425983][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.425983][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.425983][ T74] [ 2522.428422][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.428422][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.428422][ T74] ipv6_find_idev+0x102/0x170 [ 2522.428422][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.428422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.428422][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.428422][ T74] netlink_unicast+0x449/0x710 [ 2522.428422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.428422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.428422][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.428422][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.428422][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.428422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.428422][ T74] [ 2522.430327][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2522.430327][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.430327][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.430327][ T74] ipv6_find_idev+0x102/0x170 [ 2522.430327][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.430327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.430327][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.430327][ T74] netlink_unicast+0x449/0x710 [ 2522.430327][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.430327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.430327][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.430327][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.430327][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.430327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.430327][ T74] [ 2522.432402][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2522.432695][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.432695][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.432695][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.432695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.432695][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2522.432695][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2522.432695][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2522.432695][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2522.432695][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2522.432695][ T74] addrconf_dad_begin+0x310/0x670 [ 2522.432695][ T74] addrconf_dad_work+0x10b/0xab0 [ 2522.432695][ T74] process_one_work+0x84d/0x18a0 [ 2522.432695][ T74] worker_thread+0x587/0xd30 [ 2522.432695][ T74] kthread+0x28a/0x350 [ 2522.432695][ T74] ret_from_fork+0x31/0x70 [ 2522.432695][ T74] ret_from_fork_asm+0x1a/0x30 [ 2522.432695][ T74] [ 2522.435131][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.435131][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.435131][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.435131][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.435131][ T74] ip6_route_add+0x1c/0x140 [ 2522.435131][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2522.435131][ T74] inet6_addr_add+0x4f8/0xa40 [ 2522.435131][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.435131][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.435131][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.435131][ T74] netlink_unicast+0x449/0x710 [ 2522.435131][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.435131][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.435131][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.435131][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.435131][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.435131][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.435131][ T74] [ 2522.437609][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.437609][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.437609][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.437609][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.437609][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2522.437609][ T74] ipv6_add_addr+0x411/0x2000 [ 2522.437609][ T74] inet6_addr_add+0x30e/0xa40 [ 2522.437609][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.437609][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.437609][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.437609][ T74] netlink_unicast+0x449/0x710 [ 2522.437609][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.437609][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.437609][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.437609][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.437609][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.437609][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.437609][ T74] [ 2522.440087][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.440087][ T74] netdev_get_by_index+0x5e/0x80 [ 2522.440087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2522.440087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2522.440087][ T74] ip6_route_add+0x1c/0x140 [ 2522.440087][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2522.440087][ T74] addrconf_add_dev+0xe2/0x170 [ 2522.440087][ T74] inet6_addr_add+0x12f/0xa40 [ 2522.440087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2522.440087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.440087][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.440087][ T74] netlink_unicast+0x449/0x710 [ 2522.440087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.440087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.440087][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.440087][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.440087][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.440087][ T74] [ 2522.442520][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.442520][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2522.442520][ T74] ipv6_find_idev+0x102/0x170 [ 2522.442520][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.442520][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.442520][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.442520][ T74] netlink_unicast+0x449/0x710 [ 2522.442520][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.442520][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.442520][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.442520][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.442520][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.442520][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.442520][ T74] [ 2522.444345][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2522.444345][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2522.444345][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2522.444345][ T74] ipv6_find_idev+0x102/0x170 [ 2522.444345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2522.444345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2522.444345][ T74] netlink_rcv_skb+0x130/0x360 [ 2522.444345][ T74] netlink_unicast+0x449/0x710 [ 2522.444345][ T74] netlink_sendmsg+0x723/0xbe0 [ 2522.444345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2522.444345][ T74] ___sys_sendmsg+0xee/0x170 [ 2522.444345][ T74] __sys_sendmsg+0xcd/0x170 [ 2522.444345][ T74] do_syscall_64+0xc6/0x1e0 [ 2522.444345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2522.444345][ T74] [ 2523.544948][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2523.545369][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2523.545369][T16070] dst_init+0x84/0x4a0 [ 2523.545369][T16070] dst_alloc+0x97/0x150 [ 2523.545369][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.545369][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.545369][T16070] ip6_pol_route+0x56f/0x840 [ 2523.545369][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2523.545369][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2523.545369][T16070] fib6_rule_lookup+0x182/0x630 [ 2523.545369][T16070] ip6_route_output_flags+0x259/0x480 [ 2523.545369][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2523.545369][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2523.545369][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2523.545369][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2523.545369][T16070] ip6_datagram_connect+0x2c/0x50 [ 2523.545369][T16070] __sys_connect+0x217/0x2a0 [ 2523.545369][T16070] __x64_sys_connect+0x72/0xb0 [ 2523.545369][T16070] [ 2523.547694][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2523.547694][T16070] dst_init+0x84/0x4a0 [ 2523.547694][T16070] dst_alloc+0x97/0x150 [ 2523.547694][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.547694][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.547694][T16070] ip6_pol_route+0x56f/0x840 [ 2523.547694][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2523.547694][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2523.547694][T16070] fib6_rule_lookup+0x182/0x630 [ 2523.547694][T16070] ip6_route_output_flags+0x259/0x480 [ 2523.547694][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2523.547694][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2523.547694][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2523.547694][T16070] __inet_stream_connect+0x272/0x9f0 [ 2523.547694][T16070] inet_stream_connect+0x57/0xa0 [ 2523.547694][T16070] __sys_connect+0x217/0x2a0 [ 2523.547694][T16070] __x64_sys_connect+0x72/0xb0 [ 2523.547694][T16070] [ 2523.549975][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.549975][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2523.549975][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2523.549975][T16070] fib6_nh_init+0xa22/0x1580 [ 2523.549975][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.549975][T16070] ip6_route_add+0x1c/0x140 [ 2523.549975][T16070] inet6_rtm_newroute+0x104/0x110 [ 2523.549975][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.549975][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.549975][T16070] netlink_unicast+0x449/0x710 [ 2523.549975][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.549975][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.549975][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.549975][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.549975][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.549975][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.549975][T16070] [ 2523.552109][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.552109][T16070] dst_init+0x84/0x4a0 [ 2523.552109][T16070] dst_alloc+0x97/0x150 [ 2523.552109][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.552109][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.552109][T16070] ip6_pol_route+0x56f/0x840 [ 2523.552109][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2523.552109][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2523.552109][T16070] fib6_rule_lookup+0x182/0x630 [ 2523.552109][T16070] ip6_route_input+0x59c/0xa50 [ 2523.552109][T16070] ipv6_rcv+0x397/0x810 [ 2523.552109][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2523.552109][T16070] process_backlog+0x101/0x620 [ 2523.552109][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2523.552109][T16070] net_rx_action+0x495/0xbe0 [ 2523.552109][T16070] __do_softirq+0x1b5/0x7f6 [ 2523.552109][T16070] [ 2523.554203][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.554203][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.554203][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.554203][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.554203][T16070] ip6_route_add+0x1c/0x140 [ 2523.554203][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2523.554203][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2523.554203][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2523.554203][T16070] addrconf_dad_begin+0x310/0x670 [ 2523.554203][T16070] addrconf_dad_work+0x10b/0xab0 [ 2523.554203][T16070] process_one_work+0x84d/0x18a0 [ 2523.554203][T16070] worker_thread+0x587/0xd30 [ 2523.554203][T16070] kthread+0x28a/0x350 [ 2523.554203][T16070] ret_from_fork+0x31/0x70 [ 2523.554203][T16070] ret_from_fork_asm+0x1a/0x30 [ 2523.554203][T16070] [ 2523.556230][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.556230][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.556230][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.556230][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.556230][T16070] ip6_route_add+0x1c/0x140 [ 2523.556230][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2523.556230][T16070] inet6_addr_add+0x4f8/0xa40 [ 2523.556230][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.556230][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.556230][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.556230][T16070] netlink_unicast+0x449/0x710 [ 2523.556230][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.556230][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.556230][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.556230][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.556230][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.556230][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.556230][T16070] [ 2523.558493][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.558493][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.558493][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.558493][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.558493][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2523.558493][T16070] ipv6_add_addr+0x411/0x2000 [ 2523.558493][T16070] inet6_addr_add+0x30e/0xa40 [ 2523.558493][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.558493][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.558493][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.558493][T16070] netlink_unicast+0x449/0x710 [ 2523.558493][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.558493][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.558493][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.558493][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.558493][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.558493][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.558493][T16070] [ 2523.560775][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.560775][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.560775][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.560775][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.560775][T16070] ip6_route_add+0x1c/0x140 [ 2523.560775][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.560775][T16070] addrconf_add_dev+0xe2/0x170 [ 2523.560775][T16070] inet6_addr_add+0x12f/0xa40 [ 2523.560775][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.560775][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.560775][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.560775][T16070] netlink_unicast+0x449/0x710 [ 2523.560775][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.560775][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.560775][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.560775][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.560775][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.560775][T16070] [ 2523.563008][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.563008][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2523.563008][T16070] ipv6_find_idev+0x102/0x170 [ 2523.563008][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.563008][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.563008][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.563008][T16070] netlink_unicast+0x449/0x710 [ 2523.563008][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.563008][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.563008][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.563008][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.563008][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.563008][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.563008][T16070] [ 2523.564748][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2523.564748][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2523.564748][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2523.564748][T16070] ipv6_find_idev+0x102/0x170 [ 2523.564748][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.564748][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.564748][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.564748][T16070] netlink_unicast+0x449/0x710 [ 2523.564748][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.564748][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.564748][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.564748][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.564748][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.564748][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.564748][T16070] [ 2523.566672][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2523.566996][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2523.566996][T16070] dst_init+0x84/0x4a0 [ 2523.566996][T16070] dst_alloc+0x97/0x150 [ 2523.566996][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.566996][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.566996][T16070] ip6_pol_route+0x56f/0x840 [ 2523.566996][T16070] fib6_rule_lookup+0x334/0x630 [ 2523.566996][T16070] ip6_route_output_flags+0x259/0x480 [ 2523.566996][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2523.566996][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2523.566996][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2523.566996][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2523.566996][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2523.566996][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.566996][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.566996][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.566996][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.566996][T16070] [ 2523.569289][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.569289][T16070] dst_init+0x84/0x4a0 [ 2523.569289][T16070] dst_alloc+0x97/0x150 [ 2523.569289][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.569289][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.569289][T16070] ip6_pol_route+0x56f/0x840 [ 2523.569289][T16070] fib6_rule_lookup+0x334/0x630 [ 2523.569289][T16070] ip6_route_output_flags+0x259/0x480 [ 2523.569289][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2523.569289][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2523.569289][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2523.569289][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2523.569289][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2523.569289][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2523.569289][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2523.569289][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2523.569289][T16070] ip6_input_finish+0x120/0x260 [ 2523.569289][T16070] [ 2523.571593][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.571593][T16070] dst_init+0x84/0x4a0 [ 2523.571593][T16070] dst_alloc+0x97/0x150 [ 2523.571593][T16070] ip6_dst_alloc+0x23/0x90 [ 2523.571593][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2523.571593][T16070] ip6_pol_route+0x56f/0x840 [ 2523.571593][T16070] fib6_rule_lookup+0x456/0x630 [ 2523.571593][T16070] ip6_route_input+0x59c/0xa50 [ 2523.571593][T16070] ipv6_rcv+0x397/0x810 [ 2523.571593][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2523.571593][T16070] process_backlog+0x101/0x620 [ 2523.571593][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2523.571593][T16070] net_rx_action+0x495/0xbe0 [ 2523.571593][T16070] __do_softirq+0x1b5/0x7f6 [ 2523.571593][T16070] [ 2523.573465][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.573465][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.573465][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.573465][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.573465][T16070] ip6_route_add+0x1c/0x140 [ 2523.573465][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2523.573465][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2523.573465][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2523.573465][T16070] addrconf_dad_begin+0x310/0x670 [ 2523.573465][T16070] addrconf_dad_work+0x10b/0xab0 [ 2523.573465][T16070] process_one_work+0x84d/0x18a0 [ 2523.573465][T16070] worker_thread+0x587/0xd30 [ 2523.573465][T16070] kthread+0x28a/0x350 [ 2523.573465][T16070] ret_from_fork+0x31/0x70 [ 2523.573465][T16070] ret_from_fork_asm+0x1a/0x30 [ 2523.573465][T16070] [ 2523.575734][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.575734][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.575734][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.575734][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.575734][T16070] ip6_route_add+0x1c/0x140 [ 2523.575734][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2523.575734][T16070] inet6_addr_add+0x4f8/0xa40 [ 2523.575734][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.575734][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.575734][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.575734][T16070] netlink_unicast+0x449/0x710 [ 2523.575734][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.575734][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.575734][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.575734][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.575734][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.575734][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.575734][T16070] [ 2523.578311][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.578311][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.578311][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.578311][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.578311][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2523.578311][T16070] ipv6_add_addr+0x411/0x2000 [ 2523.578311][T16070] inet6_addr_add+0x30e/0xa40 [ 2523.578311][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.578311][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.578311][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.578311][T16070] netlink_unicast+0x449/0x710 [ 2523.578311][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.578311][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.578311][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.578311][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.578311][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.578311][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.578311][T16070] [ 2523.580902][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.580902][T16070] netdev_get_by_index+0x5e/0x80 [ 2523.580902][T16070] fib6_nh_init+0x3d8/0x1580 [ 2523.580902][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2523.580902][T16070] ip6_route_add+0x1c/0x140 [ 2523.580902][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2523.580902][T16070] addrconf_add_dev+0xe2/0x170 [ 2523.580902][T16070] inet6_addr_add+0x12f/0xa40 [ 2523.580902][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2523.580902][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.580902][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.580902][T16070] netlink_unicast+0x449/0x710 [ 2523.580902][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.580902][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.580902][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.580902][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.580902][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.580902][T16070] [ 2523.583441][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.583441][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2523.583441][T16070] ipv6_find_idev+0x102/0x170 [ 2523.583441][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.583441][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.583441][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.583441][T16070] netlink_unicast+0x449/0x710 [ 2523.583441][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.583441][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.583441][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.583441][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.583441][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.583441][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.583441][T16070] [ 2523.585499][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2523.585499][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2523.585499][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2523.585499][T16070] ipv6_find_idev+0x102/0x170 [ 2523.585499][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2523.585499][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2523.585499][T16070] netlink_rcv_skb+0x130/0x360 [ 2523.585499][T16070] netlink_unicast+0x449/0x710 [ 2523.585499][T16070] netlink_sendmsg+0x723/0xbe0 [ 2523.585499][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2523.585499][T16070] ___sys_sendmsg+0xee/0x170 [ 2523.585499][T16070] __sys_sendmsg+0xcd/0x170 [ 2523.585499][T16070] do_syscall_64+0xc6/0x1e0 [ 2523.585499][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2523.585499][T16070] [ 2532.680953][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2532.681418][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.681418][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.681418][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.681418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.681418][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2532.681418][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2532.681418][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2532.681418][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2532.681418][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2532.681418][ T74] addrconf_dad_begin+0x310/0x670 [ 2532.681418][ T74] addrconf_dad_work+0x10b/0xab0 [ 2532.681418][ T74] process_one_work+0x84d/0x18a0 [ 2532.681418][ T74] worker_thread+0x587/0xd30 [ 2532.681418][ T74] kthread+0x28a/0x350 [ 2532.681418][ T74] ret_from_fork+0x31/0x70 [ 2532.681418][ T74] ret_from_fork_asm+0x1a/0x30 [ 2532.681418][ T74] [ 2532.683593][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.683593][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.683593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.683593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.683593][ T74] ip6_route_add+0x1c/0x140 [ 2532.683593][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2532.683593][ T74] inet6_addr_add+0x4f8/0xa40 [ 2532.683593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.683593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.683593][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.683593][ T74] netlink_unicast+0x449/0x710 [ 2532.683593][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.683593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.683593][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.683593][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.683593][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.683593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.683593][ T74] [ 2532.685848][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.685848][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.685848][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.685848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.685848][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2532.685848][ T74] ipv6_add_addr+0x411/0x2000 [ 2532.685848][ T74] inet6_addr_add+0x30e/0xa40 [ 2532.685848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.685848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.685848][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.685848][ T74] netlink_unicast+0x449/0x710 [ 2532.685848][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.685848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.685848][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.685848][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.685848][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.685848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.685848][ T74] [ 2532.688085][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.688085][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.688085][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.688085][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.688085][ T74] ip6_route_add+0x1c/0x140 [ 2532.688085][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2532.688085][ T74] addrconf_add_dev+0xe2/0x170 [ 2532.688085][ T74] inet6_addr_add+0x12f/0xa40 [ 2532.688085][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.688085][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.688085][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.688085][ T74] netlink_unicast+0x449/0x710 [ 2532.688085][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.688085][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.688085][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.688085][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.688085][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.688085][ T74] [ 2532.690304][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.690304][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2532.690304][ T74] ipv6_find_idev+0x102/0x170 [ 2532.690304][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.690304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.690304][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.690304][ T74] netlink_unicast+0x449/0x710 [ 2532.690304][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.690304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.690304][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.690304][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.690304][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.690304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.690304][ T74] [ 2532.692027][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2532.692027][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2532.692027][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2532.692027][ T74] ipv6_find_idev+0x102/0x170 [ 2532.692027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.692027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.692027][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.692027][ T74] netlink_unicast+0x449/0x710 [ 2532.692027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.692027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.692027][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.692027][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.692027][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.692027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.692027][ T74] [ 2532.693919][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2532.694184][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.694184][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.694184][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.694184][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.694184][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2532.694184][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2532.694184][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2532.694184][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2532.694184][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2532.694184][ T74] addrconf_dad_begin+0x310/0x670 [ 2532.694184][ T74] addrconf_dad_work+0x10b/0xab0 [ 2532.694184][ T74] process_one_work+0x84d/0x18a0 [ 2532.694184][ T74] worker_thread+0x587/0xd30 [ 2532.694184][ T74] kthread+0x28a/0x350 [ 2532.694184][ T74] ret_from_fork+0x31/0x70 [ 2532.694184][ T74] ret_from_fork_asm+0x1a/0x30 [ 2532.694184][ T74] [ 2532.696326][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.696326][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.696326][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.696326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.696326][ T74] ip6_route_add+0x1c/0x140 [ 2532.696326][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2532.696326][ T74] inet6_addr_add+0x4f8/0xa40 [ 2532.696326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.696326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.696326][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.696326][ T74] netlink_unicast+0x449/0x710 [ 2532.696326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.696326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.696326][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.696326][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.696326][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.696326][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.696326][ T74] [ 2532.698587][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.698587][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.698587][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.698587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.698587][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2532.698587][ T74] ipv6_add_addr+0x411/0x2000 [ 2532.698587][ T74] inet6_addr_add+0x30e/0xa40 [ 2532.698587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.698587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.698587][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.698587][ T74] netlink_unicast+0x449/0x710 [ 2532.698587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.698587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.698587][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.698587][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.698587][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.698587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.698587][ T74] [ 2532.700837][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.700837][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.700837][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.700837][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.700837][ T74] ip6_route_add+0x1c/0x140 [ 2532.700837][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2532.700837][ T74] addrconf_add_dev+0xe2/0x170 [ 2532.700837][ T74] inet6_addr_add+0x12f/0xa40 [ 2532.700837][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.700837][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.700837][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.700837][ T74] netlink_unicast+0x449/0x710 [ 2532.700837][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.700837][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.700837][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.700837][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.700837][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.700837][ T74] [ 2532.703024][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.703024][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2532.703024][ T74] ipv6_find_idev+0x102/0x170 [ 2532.703024][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.703024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.703024][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.703024][ T74] netlink_unicast+0x449/0x710 [ 2532.703024][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.703024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.703024][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.703024][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.703024][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.703024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.703024][ T74] [ 2532.704756][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2532.704756][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2532.704756][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2532.704756][ T74] ipv6_find_idev+0x102/0x170 [ 2532.704756][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.704756][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.704756][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.704756][ T74] netlink_unicast+0x449/0x710 [ 2532.704756][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.704756][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.704756][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.704756][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.704756][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.704756][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.704756][ T74] [ 2532.706640][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2532.706917][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.706917][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.706917][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.706917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.706917][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2532.706917][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2532.706917][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2532.706917][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2532.706917][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2532.706917][ T74] addrconf_dad_begin+0x310/0x670 [ 2532.706917][ T74] addrconf_dad_work+0x10b/0xab0 [ 2532.706917][ T74] process_one_work+0x84d/0x18a0 [ 2532.706917][ T74] worker_thread+0x587/0xd30 [ 2532.706917][ T74] kthread+0x28a/0x350 [ 2532.706917][ T74] ret_from_fork+0x31/0x70 [ 2532.706917][ T74] ret_from_fork_asm+0x1a/0x30 [ 2532.706917][ T74] [ 2532.709059][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.709059][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.709059][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.709059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.709059][ T74] ip6_route_add+0x1c/0x140 [ 2532.709059][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2532.709059][ T74] inet6_addr_add+0x4f8/0xa40 [ 2532.709059][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.709059][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.709059][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.709059][ T74] netlink_unicast+0x449/0x710 [ 2532.709059][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.709059][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.709059][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.709059][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.709059][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.709059][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.709059][ T74] [ 2532.711494][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.711494][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.711494][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.711494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.711494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2532.711494][ T74] ipv6_add_addr+0x411/0x2000 [ 2532.711494][ T74] inet6_addr_add+0x30e/0xa40 [ 2532.711494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.711494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.711494][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.711494][ T74] netlink_unicast+0x449/0x710 [ 2532.711494][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.711494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.711494][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.711494][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.711494][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.711494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.711494][ T74] [ 2532.714042][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.714042][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.714042][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.714042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.714042][ T74] ip6_route_add+0x1c/0x140 [ 2532.714042][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2532.714042][ T74] addrconf_add_dev+0xe2/0x170 [ 2532.714042][ T74] inet6_addr_add+0x12f/0xa40 [ 2532.714042][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.714042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.714042][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.714042][ T74] netlink_unicast+0x449/0x710 [ 2532.714042][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.714042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.714042][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.714042][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.714042][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.714042][ T74] [ 2532.716494][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.716494][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2532.716494][ T74] ipv6_find_idev+0x102/0x170 [ 2532.716494][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.716494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.716494][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.716494][ T74] netlink_unicast+0x449/0x710 [ 2532.716494][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.716494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.716494][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.716494][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.716494][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.716494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.716494][ T74] [ 2532.718403][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2532.718403][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2532.718403][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2532.718403][ T74] ipv6_find_idev+0x102/0x170 [ 2532.718403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.718403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.718403][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.718403][ T74] netlink_unicast+0x449/0x710 [ 2532.718403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.718403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.718403][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.718403][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.718403][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.718403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.718403][ T74] [ 2532.720433][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2532.720693][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.720693][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.720693][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.720693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.720693][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2532.720693][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2532.720693][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2532.720693][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2532.720693][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2532.720693][ T74] addrconf_dad_begin+0x310/0x670 [ 2532.720693][ T74] addrconf_dad_work+0x10b/0xab0 [ 2532.720693][ T74] process_one_work+0x84d/0x18a0 [ 2532.720693][ T74] worker_thread+0x587/0xd30 [ 2532.720693][ T74] kthread+0x28a/0x350 [ 2532.720693][ T74] ret_from_fork+0x31/0x70 [ 2532.720693][ T74] ret_from_fork_asm+0x1a/0x30 [ 2532.720693][ T74] [ 2532.723083][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.723083][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.723083][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.723083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.723083][ T74] ip6_route_add+0x1c/0x140 [ 2532.723083][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2532.723083][ T74] inet6_addr_add+0x4f8/0xa40 [ 2532.723083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.723083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.723083][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.723083][ T74] netlink_unicast+0x449/0x710 [ 2532.723083][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.723083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.723083][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.723083][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.723083][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.723083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.723083][ T74] [ 2532.725612][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.725612][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.725612][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.725612][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.725612][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2532.725612][ T74] ipv6_add_addr+0x411/0x2000 [ 2532.725612][ T74] inet6_addr_add+0x30e/0xa40 [ 2532.725612][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.725612][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.725612][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.725612][ T74] netlink_unicast+0x449/0x710 [ 2532.725612][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.725612][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.725612][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.725612][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.725612][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.725612][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.725612][ T74] [ 2532.728618][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.728618][ T74] netdev_get_by_index+0x5e/0x80 [ 2532.728618][ T74] fib6_nh_init+0x3d8/0x1580 [ 2532.728618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2532.728618][ T74] ip6_route_add+0x1c/0x140 [ 2532.728618][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2532.728618][ T74] addrconf_add_dev+0xe2/0x170 [ 2532.728618][ T74] inet6_addr_add+0x12f/0xa40 [ 2532.728618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2532.728618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.728618][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.728618][ T74] netlink_unicast+0x449/0x710 [ 2532.728618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.728618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.728618][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.728618][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.728618][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.728618][ T74] [ 2532.731061][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.731061][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2532.731061][ T74] ipv6_find_idev+0x102/0x170 [ 2532.731061][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.731061][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.731061][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.731061][ T74] netlink_unicast+0x449/0x710 [ 2532.731061][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.731061][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.731061][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.731061][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.731061][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.731061][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.731061][ T74] [ 2532.732895][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2532.732895][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2532.732895][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2532.732895][ T74] ipv6_find_idev+0x102/0x170 [ 2532.732895][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2532.732895][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2532.732895][ T74] netlink_rcv_skb+0x130/0x360 [ 2532.732895][ T74] netlink_unicast+0x449/0x710 [ 2532.732895][ T74] netlink_sendmsg+0x723/0xbe0 [ 2532.732895][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2532.732895][ T74] ___sys_sendmsg+0xee/0x170 [ 2532.732895][ T74] __sys_sendmsg+0xcd/0x170 [ 2532.732895][ T74] do_syscall_64+0xc6/0x1e0 [ 2532.732895][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2532.732895][ T74] [ 2533.704949][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2533.705433][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2533.705433][T16070] dst_init+0x84/0x4a0 [ 2533.705433][T16070] dst_alloc+0x97/0x150 [ 2533.705433][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.705433][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.705433][T16070] ip6_pol_route+0x56f/0x840 [ 2533.705433][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2533.705433][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2533.705433][T16070] fib6_rule_lookup+0x182/0x630 [ 2533.705433][T16070] ip6_route_output_flags+0x259/0x480 [ 2533.705433][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2533.705433][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2533.705433][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2533.705433][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2533.705433][T16070] ip6_datagram_connect+0x2c/0x50 [ 2533.705433][T16070] __sys_connect+0x217/0x2a0 [ 2533.705433][T16070] __x64_sys_connect+0x72/0xb0 [ 2533.705433][T16070] [ 2533.707769][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2533.707769][T16070] dst_init+0x84/0x4a0 [ 2533.707769][T16070] dst_alloc+0x97/0x150 [ 2533.707769][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.707769][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.707769][T16070] ip6_pol_route+0x56f/0x840 [ 2533.707769][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2533.707769][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2533.707769][T16070] fib6_rule_lookup+0x182/0x630 [ 2533.707769][T16070] ip6_route_output_flags+0x259/0x480 [ 2533.707769][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2533.707769][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2533.707769][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2533.707769][T16070] __inet_stream_connect+0x272/0x9f0 [ 2533.707769][T16070] inet_stream_connect+0x57/0xa0 [ 2533.707769][T16070] __sys_connect+0x217/0x2a0 [ 2533.707769][T16070] __x64_sys_connect+0x72/0xb0 [ 2533.707769][T16070] [ 2533.710065][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.710065][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2533.710065][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2533.710065][T16070] fib6_nh_init+0xa22/0x1580 [ 2533.710065][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.710065][T16070] ip6_route_add+0x1c/0x140 [ 2533.710065][T16070] inet6_rtm_newroute+0x104/0x110 [ 2533.710065][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.710065][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.710065][T16070] netlink_unicast+0x449/0x710 [ 2533.710065][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.710065][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.710065][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.710065][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.710065][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.710065][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.710065][T16070] [ 2533.712207][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.712207][T16070] dst_init+0x84/0x4a0 [ 2533.712207][T16070] dst_alloc+0x97/0x150 [ 2533.712207][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.712207][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.712207][T16070] ip6_pol_route+0x56f/0x840 [ 2533.712207][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2533.712207][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2533.712207][T16070] fib6_rule_lookup+0x182/0x630 [ 2533.712207][T16070] ip6_route_input+0x59c/0xa50 [ 2533.712207][T16070] ipv6_rcv+0x397/0x810 [ 2533.712207][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.712207][T16070] process_backlog+0x101/0x620 [ 2533.712207][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2533.712207][T16070] net_rx_action+0x495/0xbe0 [ 2533.712207][T16070] __do_softirq+0x1b5/0x7f6 [ 2533.712207][T16070] [ 2533.714302][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.714302][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.714302][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.714302][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.714302][T16070] ip6_route_add+0x1c/0x140 [ 2533.714302][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2533.714302][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2533.714302][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2533.714302][T16070] addrconf_dad_begin+0x310/0x670 [ 2533.714302][T16070] addrconf_dad_work+0x10b/0xab0 [ 2533.714302][T16070] process_one_work+0x84d/0x18a0 [ 2533.714302][T16070] worker_thread+0x587/0xd30 [ 2533.714302][T16070] kthread+0x28a/0x350 [ 2533.714302][T16070] ret_from_fork+0x31/0x70 [ 2533.714302][T16070] ret_from_fork_asm+0x1a/0x30 [ 2533.714302][T16070] [ 2533.716327][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.716327][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.716327][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.716327][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.716327][T16070] ip6_route_add+0x1c/0x140 [ 2533.716327][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2533.716327][T16070] inet6_addr_add+0x4f8/0xa40 [ 2533.716327][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.716327][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.716327][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.716327][T16070] netlink_unicast+0x449/0x710 [ 2533.716327][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.716327][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.716327][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.716327][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.716327][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.716327][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.716327][T16070] [ 2533.718596][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.718596][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.718596][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.718596][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.718596][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2533.718596][T16070] ipv6_add_addr+0x411/0x2000 [ 2533.718596][T16070] inet6_addr_add+0x30e/0xa40 [ 2533.718596][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.718596][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.718596][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.718596][T16070] netlink_unicast+0x449/0x710 [ 2533.718596][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.718596][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.718596][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.718596][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.718596][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.718596][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.718596][T16070] [ 2533.721489][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.721489][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.721489][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.721489][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.721489][T16070] ip6_route_add+0x1c/0x140 [ 2533.721489][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.721489][T16070] addrconf_add_dev+0xe2/0x170 [ 2533.721489][T16070] inet6_addr_add+0x12f/0xa40 [ 2533.721489][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.721489][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.721489][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.721489][T16070] netlink_unicast+0x449/0x710 [ 2533.721489][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.721489][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.721489][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.721489][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.721489][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.721489][T16070] [ 2533.723710][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.723710][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2533.723710][T16070] ipv6_find_idev+0x102/0x170 [ 2533.723710][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.723710][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.723710][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.723710][T16070] netlink_unicast+0x449/0x710 [ 2533.723710][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.723710][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.723710][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.723710][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.723710][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.723710][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.723710][T16070] [ 2533.725451][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2533.725451][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2533.725451][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2533.725451][T16070] ipv6_find_idev+0x102/0x170 [ 2533.725451][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.725451][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.725451][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.725451][T16070] netlink_unicast+0x449/0x710 [ 2533.725451][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.725451][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.725451][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.725451][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.725451][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.725451][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.725451][T16070] [ 2533.727832][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2533.728160][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2533.728160][T16070] dst_init+0x84/0x4a0 [ 2533.728160][T16070] dst_alloc+0x97/0x150 [ 2533.728160][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.728160][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.728160][T16070] ip6_pol_route+0x56f/0x840 [ 2533.728160][T16070] fib6_rule_lookup+0x334/0x630 [ 2533.728160][T16070] ip6_route_output_flags+0x259/0x480 [ 2533.728160][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2533.728160][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2533.728160][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2533.728160][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2533.728160][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2533.728160][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.728160][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.728160][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.728160][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.728160][T16070] [ 2533.730512][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.730512][T16070] dst_init+0x84/0x4a0 [ 2533.730512][T16070] dst_alloc+0x97/0x150 [ 2533.730512][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.730512][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.730512][T16070] ip6_pol_route+0x56f/0x840 [ 2533.730512][T16070] fib6_rule_lookup+0x334/0x630 [ 2533.730512][T16070] ip6_route_output_flags+0x259/0x480 [ 2533.730512][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2533.730512][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2533.730512][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2533.730512][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2533.730512][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2533.730512][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2533.730512][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2533.730512][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2533.730512][T16070] ip6_input_finish+0x120/0x260 [ 2533.730512][T16070] [ 2533.732885][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.732885][T16070] dst_init+0x84/0x4a0 [ 2533.732885][T16070] dst_alloc+0x97/0x150 [ 2533.732885][T16070] ip6_dst_alloc+0x23/0x90 [ 2533.732885][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2533.732885][T16070] ip6_pol_route+0x56f/0x840 [ 2533.732885][T16070] fib6_rule_lookup+0x456/0x630 [ 2533.732885][T16070] ip6_route_input+0x59c/0xa50 [ 2533.732885][T16070] ipv6_rcv+0x397/0x810 [ 2533.732885][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2533.732885][T16070] process_backlog+0x101/0x620 [ 2533.732885][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2533.732885][T16070] net_rx_action+0x495/0xbe0 [ 2533.732885][T16070] __do_softirq+0x1b5/0x7f6 [ 2533.732885][T16070] [ 2533.734822][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.734822][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.734822][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.734822][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.734822][T16070] ip6_route_add+0x1c/0x140 [ 2533.734822][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2533.734822][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2533.734822][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2533.734822][T16070] addrconf_dad_begin+0x310/0x670 [ 2533.734822][T16070] addrconf_dad_work+0x10b/0xab0 [ 2533.734822][T16070] process_one_work+0x84d/0x18a0 [ 2533.734822][T16070] worker_thread+0x587/0xd30 [ 2533.734822][T16070] kthread+0x28a/0x350 [ 2533.734822][T16070] ret_from_fork+0x31/0x70 [ 2533.734822][T16070] ret_from_fork_asm+0x1a/0x30 [ 2533.734822][T16070] [ 2533.737173][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.737173][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.737173][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.737173][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.737173][T16070] ip6_route_add+0x1c/0x140 [ 2533.737173][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2533.737173][T16070] inet6_addr_add+0x4f8/0xa40 [ 2533.737173][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.737173][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.737173][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.737173][T16070] netlink_unicast+0x449/0x710 [ 2533.737173][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.737173][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.737173][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.737173][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.737173][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.737173][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.737173][T16070] [ 2533.739781][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.739781][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.739781][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.739781][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.739781][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2533.739781][T16070] ipv6_add_addr+0x411/0x2000 [ 2533.739781][T16070] inet6_addr_add+0x30e/0xa40 [ 2533.739781][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.739781][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.739781][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.739781][T16070] netlink_unicast+0x449/0x710 [ 2533.739781][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.739781][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.739781][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.739781][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.739781][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.739781][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.739781][T16070] [ 2533.742372][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.742372][T16070] netdev_get_by_index+0x5e/0x80 [ 2533.742372][T16070] fib6_nh_init+0x3d8/0x1580 [ 2533.742372][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2533.742372][T16070] ip6_route_add+0x1c/0x140 [ 2533.742372][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2533.742372][T16070] addrconf_add_dev+0xe2/0x170 [ 2533.742372][T16070] inet6_addr_add+0x12f/0xa40 [ 2533.742372][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2533.742372][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.742372][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.742372][T16070] netlink_unicast+0x449/0x710 [ 2533.742372][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.742372][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.742372][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.742372][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.742372][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.742372][T16070] [ 2533.744909][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.744909][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2533.744909][T16070] ipv6_find_idev+0x102/0x170 [ 2533.744909][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.744909][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.744909][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.744909][T16070] netlink_unicast+0x449/0x710 [ 2533.744909][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.744909][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.744909][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.744909][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.744909][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.744909][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.744909][T16070] [ 2533.746957][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2533.746957][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2533.746957][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2533.746957][T16070] ipv6_find_idev+0x102/0x170 [ 2533.746957][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2533.746957][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2533.746957][T16070] netlink_rcv_skb+0x130/0x360 [ 2533.746957][T16070] netlink_unicast+0x449/0x710 [ 2533.746957][T16070] netlink_sendmsg+0x723/0xbe0 [ 2533.746957][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2533.746957][T16070] ___sys_sendmsg+0xee/0x170 [ 2533.746957][T16070] __sys_sendmsg+0xcd/0x170 [ 2533.746957][T16070] do_syscall_64+0xc6/0x1e0 [ 2533.746957][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2533.746957][T16070] [ 2542.976920][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2542.977379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.977379][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.977379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.977379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.977379][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2542.977379][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2542.977379][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2542.977379][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2542.977379][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2542.977379][ T74] addrconf_dad_begin+0x310/0x670 [ 2542.977379][ T74] addrconf_dad_work+0x10b/0xab0 [ 2542.977379][ T74] process_one_work+0x84d/0x18a0 [ 2542.977379][ T74] worker_thread+0x587/0xd30 [ 2542.977379][ T74] kthread+0x28a/0x350 [ 2542.977379][ T74] ret_from_fork+0x31/0x70 [ 2542.977379][ T74] ret_from_fork_asm+0x1a/0x30 [ 2542.977379][ T74] [ 2542.979555][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.979555][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.979555][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.979555][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.979555][ T74] ip6_route_add+0x1c/0x140 [ 2542.979555][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2542.979555][ T74] inet6_addr_add+0x4f8/0xa40 [ 2542.979555][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.979555][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.979555][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.979555][ T74] netlink_unicast+0x449/0x710 [ 2542.979555][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.979555][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.979555][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.979555][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.979555][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.979555][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.979555][ T74] [ 2542.981793][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.981793][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.981793][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.981793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.981793][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2542.981793][ T74] ipv6_add_addr+0x411/0x2000 [ 2542.981793][ T74] inet6_addr_add+0x30e/0xa40 [ 2542.981793][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.981793][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.981793][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.981793][ T74] netlink_unicast+0x449/0x710 [ 2542.981793][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.981793][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.981793][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.981793][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.981793][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.981793][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.981793][ T74] [ 2542.984037][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.984037][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.984037][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.984037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.984037][ T74] ip6_route_add+0x1c/0x140 [ 2542.984037][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2542.984037][ T74] addrconf_add_dev+0xe2/0x170 [ 2542.984037][ T74] inet6_addr_add+0x12f/0xa40 [ 2542.984037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.984037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.984037][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.984037][ T74] netlink_unicast+0x449/0x710 [ 2542.984037][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.984037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.984037][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.984037][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.984037][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.984037][ T74] [ 2542.986598][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.986598][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2542.986598][ T74] ipv6_find_idev+0x102/0x170 [ 2542.986598][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2542.986598][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.986598][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.986598][ T74] netlink_unicast+0x449/0x710 [ 2542.986598][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.986598][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.986598][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.986598][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.986598][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.986598][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.986598][ T74] [ 2542.988311][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2542.988311][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2542.988311][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2542.988311][ T74] ipv6_find_idev+0x102/0x170 [ 2542.988311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2542.988311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.988311][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.988311][ T74] netlink_unicast+0x449/0x710 [ 2542.988311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.988311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.988311][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.988311][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.988311][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.988311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.988311][ T74] [ 2542.990211][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2542.990472][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2542.990472][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.990472][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.990472][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.990472][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2542.990472][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2542.990472][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2542.990472][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2542.990472][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2542.990472][ T74] addrconf_dad_begin+0x310/0x670 [ 2542.990472][ T74] addrconf_dad_work+0x10b/0xab0 [ 2542.990472][ T74] process_one_work+0x84d/0x18a0 [ 2542.990472][ T74] worker_thread+0x587/0xd30 [ 2542.990472][ T74] kthread+0x28a/0x350 [ 2542.990472][ T74] ret_from_fork+0x31/0x70 [ 2542.990472][ T74] ret_from_fork_asm+0x1a/0x30 [ 2542.990472][ T74] [ 2542.992618][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2542.992618][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.992618][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.992618][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.992618][ T74] ip6_route_add+0x1c/0x140 [ 2542.992618][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2542.992618][ T74] inet6_addr_add+0x4f8/0xa40 [ 2542.992618][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.992618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.992618][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.992618][ T74] netlink_unicast+0x449/0x710 [ 2542.992618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.992618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.992618][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.992618][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.992618][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.992618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.992618][ T74] [ 2542.994839][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2542.994839][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.994839][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.994839][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.994839][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2542.994839][ T74] ipv6_add_addr+0x411/0x2000 [ 2542.994839][ T74] inet6_addr_add+0x30e/0xa40 [ 2542.994839][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.994839][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.994839][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.994839][ T74] netlink_unicast+0x449/0x710 [ 2542.994839][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.994839][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.994839][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.994839][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.994839][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.994839][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.994839][ T74] [ 2542.997064][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2542.997064][ T74] netdev_get_by_index+0x5e/0x80 [ 2542.997064][ T74] fib6_nh_init+0x3d8/0x1580 [ 2542.997064][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2542.997064][ T74] ip6_route_add+0x1c/0x140 [ 2542.997064][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2542.997064][ T74] addrconf_add_dev+0xe2/0x170 [ 2542.997064][ T74] inet6_addr_add+0x12f/0xa40 [ 2542.997064][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2542.997064][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.997064][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.997064][ T74] netlink_unicast+0x449/0x710 [ 2542.997064][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.997064][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.997064][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.997064][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.997064][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.997064][ T74] [ 2542.999251][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2542.999251][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2542.999251][ T74] ipv6_find_idev+0x102/0x170 [ 2542.999251][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2542.999251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2542.999251][ T74] netlink_rcv_skb+0x130/0x360 [ 2542.999251][ T74] netlink_unicast+0x449/0x710 [ 2542.999251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2542.999251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2542.999251][ T74] ___sys_sendmsg+0xee/0x170 [ 2542.999251][ T74] __sys_sendmsg+0xcd/0x170 [ 2542.999251][ T74] do_syscall_64+0xc6/0x1e0 [ 2542.999251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2542.999251][ T74] [ 2543.000966][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2543.000966][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.000966][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.000966][ T74] ipv6_find_idev+0x102/0x170 [ 2543.000966][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.000966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.000966][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.000966][ T74] netlink_unicast+0x449/0x710 [ 2543.000966][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.000966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.000966][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.000966][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.000966][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.000966][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.000966][ T74] [ 2543.002851][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2543.003106][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.003106][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.003106][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.003106][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.003106][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2543.003106][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2543.003106][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2543.003106][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2543.003106][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2543.003106][ T74] addrconf_dad_begin+0x310/0x670 [ 2543.003106][ T74] addrconf_dad_work+0x10b/0xab0 [ 2543.003106][ T74] process_one_work+0x84d/0x18a0 [ 2543.003106][ T74] worker_thread+0x587/0xd30 [ 2543.003106][ T74] kthread+0x28a/0x350 [ 2543.003106][ T74] ret_from_fork+0x31/0x70 [ 2543.003106][ T74] ret_from_fork_asm+0x1a/0x30 [ 2543.003106][ T74] [ 2543.005236][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.005236][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.005236][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.005236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.005236][ T74] ip6_route_add+0x1c/0x140 [ 2543.005236][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2543.005236][ T74] inet6_addr_add+0x4f8/0xa40 [ 2543.005236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.005236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.005236][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.005236][ T74] netlink_unicast+0x449/0x710 [ 2543.005236][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.005236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.005236][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.005236][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.005236][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.005236][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.005236][ T74] [ 2543.007613][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.007613][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.007613][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.007613][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.007613][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2543.007613][ T74] ipv6_add_addr+0x411/0x2000 [ 2543.007613][ T74] inet6_addr_add+0x30e/0xa40 [ 2543.007613][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.007613][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.007613][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.007613][ T74] netlink_unicast+0x449/0x710 [ 2543.007613][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.007613][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.007613][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.007613][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.007613][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.007613][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.007613][ T74] [ 2543.010005][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.010005][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.010005][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.010005][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.010005][ T74] ip6_route_add+0x1c/0x140 [ 2543.010005][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.010005][ T74] addrconf_add_dev+0xe2/0x170 [ 2543.010005][ T74] inet6_addr_add+0x12f/0xa40 [ 2543.010005][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.010005][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.010005][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.010005][ T74] netlink_unicast+0x449/0x710 [ 2543.010005][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.010005][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.010005][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.010005][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.010005][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.010005][ T74] [ 2543.012341][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.012341][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2543.012341][ T74] ipv6_find_idev+0x102/0x170 [ 2543.012341][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.012341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.012341][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.012341][ T74] netlink_unicast+0x449/0x710 [ 2543.012341][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.012341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.012341][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.012341][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.012341][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.012341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.012341][ T74] [ 2543.014130][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2543.014130][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.014130][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.014130][ T74] ipv6_find_idev+0x102/0x170 [ 2543.014130][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.014130][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.014130][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.014130][ T74] netlink_unicast+0x449/0x710 [ 2543.014130][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.014130][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.014130][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.014130][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.014130][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.014130][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.014130][ T74] [ 2543.016142][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2543.016404][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.016404][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.016404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.016404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.016404][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2543.016404][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2543.016404][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2543.016404][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2543.016404][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2543.016404][ T74] addrconf_dad_begin+0x310/0x670 [ 2543.016404][ T74] addrconf_dad_work+0x10b/0xab0 [ 2543.016404][ T74] process_one_work+0x84d/0x18a0 [ 2543.016404][ T74] worker_thread+0x587/0xd30 [ 2543.016404][ T74] kthread+0x28a/0x350 [ 2543.016404][ T74] ret_from_fork+0x31/0x70 [ 2543.016404][ T74] ret_from_fork_asm+0x1a/0x30 [ 2543.016404][ T74] [ 2543.018664][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.018664][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.018664][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.018664][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.018664][ T74] ip6_route_add+0x1c/0x140 [ 2543.018664][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2543.018664][ T74] inet6_addr_add+0x4f8/0xa40 [ 2543.018664][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.018664][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.018664][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.018664][ T74] netlink_unicast+0x449/0x710 [ 2543.018664][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.018664][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.018664][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.018664][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.018664][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.018664][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.018664][ T74] [ 2543.021053][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.021053][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.021053][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.021053][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.021053][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2543.021053][ T74] ipv6_add_addr+0x411/0x2000 [ 2543.021053][ T74] inet6_addr_add+0x30e/0xa40 [ 2543.021053][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.021053][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.021053][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.021053][ T74] netlink_unicast+0x449/0x710 [ 2543.021053][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.021053][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.021053][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.021053][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.021053][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.021053][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.021053][ T74] [ 2543.023401][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.023401][ T74] netdev_get_by_index+0x5e/0x80 [ 2543.023401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2543.023401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2543.023401][ T74] ip6_route_add+0x1c/0x140 [ 2543.023401][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2543.023401][ T74] addrconf_add_dev+0xe2/0x170 [ 2543.023401][ T74] inet6_addr_add+0x12f/0xa40 [ 2543.023401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.023401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.023401][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.023401][ T74] netlink_unicast+0x449/0x710 [ 2543.023401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.023401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.023401][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.023401][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.023401][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.023401][ T74] [ 2543.025724][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.025724][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2543.025724][ T74] ipv6_find_idev+0x102/0x170 [ 2543.025724][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.025724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.025724][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.025724][ T74] netlink_unicast+0x449/0x710 [ 2543.025724][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.025724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.025724][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.025724][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.025724][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.025724][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.025724][ T74] [ 2543.027492][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2543.027492][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2543.027492][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2543.027492][ T74] ipv6_find_idev+0x102/0x170 [ 2543.027492][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2543.027492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.027492][ T74] netlink_rcv_skb+0x130/0x360 [ 2543.027492][ T74] netlink_unicast+0x449/0x710 [ 2543.027492][ T74] netlink_sendmsg+0x723/0xbe0 [ 2543.027492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2543.027492][ T74] ___sys_sendmsg+0xee/0x170 [ 2543.027492][ T74] __sys_sendmsg+0xcd/0x170 [ 2543.027492][ T74] do_syscall_64+0xc6/0x1e0 [ 2543.027492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.027492][ T74] [ 2543.984863][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2543.985321][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2543.985321][T16070] dst_init+0x84/0x4a0 [ 2543.985321][T16070] dst_alloc+0x97/0x150 [ 2543.985321][T16070] ip6_dst_alloc+0x23/0x90 [ 2543.985321][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2543.985321][T16070] ip6_pol_route+0x56f/0x840 [ 2543.985321][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2543.985321][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2543.985321][T16070] fib6_rule_lookup+0x182/0x630 [ 2543.985321][T16070] ip6_route_output_flags+0x259/0x480 [ 2543.985321][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2543.985321][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2543.985321][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2543.985321][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2543.985321][T16070] ip6_datagram_connect+0x2c/0x50 [ 2543.985321][T16070] __sys_connect+0x217/0x2a0 [ 2543.985321][T16070] __x64_sys_connect+0x72/0xb0 [ 2543.985321][T16070] [ 2543.987880][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2543.987880][T16070] dst_init+0x84/0x4a0 [ 2543.987880][T16070] dst_alloc+0x97/0x150 [ 2543.987880][T16070] ip6_dst_alloc+0x23/0x90 [ 2543.987880][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2543.987880][T16070] ip6_pol_route+0x56f/0x840 [ 2543.987880][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2543.987880][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2543.987880][T16070] fib6_rule_lookup+0x182/0x630 [ 2543.987880][T16070] ip6_route_output_flags+0x259/0x480 [ 2543.987880][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2543.987880][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2543.987880][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2543.987880][T16070] __inet_stream_connect+0x272/0x9f0 [ 2543.987880][T16070] inet_stream_connect+0x57/0xa0 [ 2543.987880][T16070] __sys_connect+0x217/0x2a0 [ 2543.987880][T16070] __x64_sys_connect+0x72/0xb0 [ 2543.987880][T16070] [ 2543.990388][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2543.990388][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2543.990388][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2543.990388][T16070] fib6_nh_init+0xa22/0x1580 [ 2543.990388][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2543.990388][T16070] ip6_route_add+0x1c/0x140 [ 2543.990388][T16070] inet6_rtm_newroute+0x104/0x110 [ 2543.990388][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.990388][T16070] netlink_rcv_skb+0x130/0x360 [ 2543.990388][T16070] netlink_unicast+0x449/0x710 [ 2543.990388][T16070] netlink_sendmsg+0x723/0xbe0 [ 2543.990388][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2543.990388][T16070] ___sys_sendmsg+0xee/0x170 [ 2543.990388][T16070] __sys_sendmsg+0xcd/0x170 [ 2543.990388][T16070] do_syscall_64+0xc6/0x1e0 [ 2543.990388][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.990388][T16070] [ 2543.992705][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2543.992705][T16070] dst_init+0x84/0x4a0 [ 2543.992705][T16070] dst_alloc+0x97/0x150 [ 2543.992705][T16070] ip6_dst_alloc+0x23/0x90 [ 2543.992705][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2543.992705][T16070] ip6_pol_route+0x56f/0x840 [ 2543.992705][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2543.992705][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2543.992705][T16070] fib6_rule_lookup+0x182/0x630 [ 2543.992705][T16070] ip6_route_input+0x59c/0xa50 [ 2543.992705][T16070] ipv6_rcv+0x397/0x810 [ 2543.992705][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2543.992705][T16070] process_backlog+0x101/0x620 [ 2543.992705][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2543.992705][T16070] net_rx_action+0x495/0xbe0 [ 2543.992705][T16070] __do_softirq+0x1b5/0x7f6 [ 2543.992705][T16070] [ 2543.995017][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2543.995017][T16070] netdev_get_by_index+0x5e/0x80 [ 2543.995017][T16070] fib6_nh_init+0x3d8/0x1580 [ 2543.995017][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2543.995017][T16070] ip6_route_add+0x1c/0x140 [ 2543.995017][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2543.995017][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2543.995017][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2543.995017][T16070] addrconf_dad_begin+0x310/0x670 [ 2543.995017][T16070] addrconf_dad_work+0x10b/0xab0 [ 2543.995017][T16070] process_one_work+0x84d/0x18a0 [ 2543.995017][T16070] worker_thread+0x587/0xd30 [ 2543.995017][T16070] kthread+0x28a/0x350 [ 2543.995017][T16070] ret_from_fork+0x31/0x70 [ 2543.995017][T16070] ret_from_fork_asm+0x1a/0x30 [ 2543.995017][T16070] [ 2543.997242][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2543.997242][T16070] netdev_get_by_index+0x5e/0x80 [ 2543.997242][T16070] fib6_nh_init+0x3d8/0x1580 [ 2543.997242][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2543.997242][T16070] ip6_route_add+0x1c/0x140 [ 2543.997242][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2543.997242][T16070] inet6_addr_add+0x4f8/0xa40 [ 2543.997242][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.997242][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.997242][T16070] netlink_rcv_skb+0x130/0x360 [ 2543.997242][T16070] netlink_unicast+0x449/0x710 [ 2543.997242][T16070] netlink_sendmsg+0x723/0xbe0 [ 2543.997242][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2543.997242][T16070] ___sys_sendmsg+0xee/0x170 [ 2543.997242][T16070] __sys_sendmsg+0xcd/0x170 [ 2543.997242][T16070] do_syscall_64+0xc6/0x1e0 [ 2543.997242][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.997242][T16070] [ 2543.999738][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2543.999738][T16070] netdev_get_by_index+0x5e/0x80 [ 2543.999738][T16070] fib6_nh_init+0x3d8/0x1580 [ 2543.999738][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2543.999738][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2543.999738][T16070] ipv6_add_addr+0x411/0x2000 [ 2543.999738][T16070] inet6_addr_add+0x30e/0xa40 [ 2543.999738][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2543.999738][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2543.999738][T16070] netlink_rcv_skb+0x130/0x360 [ 2543.999738][T16070] netlink_unicast+0x449/0x710 [ 2543.999738][T16070] netlink_sendmsg+0x723/0xbe0 [ 2543.999738][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2543.999738][T16070] ___sys_sendmsg+0xee/0x170 [ 2543.999738][T16070] __sys_sendmsg+0xcd/0x170 [ 2543.999738][T16070] do_syscall_64+0xc6/0x1e0 [ 2543.999738][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2543.999738][T16070] [ 2544.002231][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2544.002231][T16070] netdev_get_by_index+0x5e/0x80 [ 2544.002231][T16070] fib6_nh_init+0x3d8/0x1580 [ 2544.002231][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2544.002231][T16070] ip6_route_add+0x1c/0x140 [ 2544.002231][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.002231][T16070] addrconf_add_dev+0xe2/0x170 [ 2544.002231][T16070] inet6_addr_add+0x12f/0xa40 [ 2544.002231][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.002231][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.002231][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.002231][T16070] netlink_unicast+0x449/0x710 [ 2544.002231][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.002231][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.002231][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.002231][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.002231][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.002231][T16070] [ 2544.004672][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2544.004672][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2544.004672][T16070] ipv6_find_idev+0x102/0x170 [ 2544.004672][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.004672][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.004672][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.004672][T16070] netlink_unicast+0x449/0x710 [ 2544.004672][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.004672][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.004672][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.004672][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.004672][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.004672][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.004672][T16070] [ 2544.006578][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2544.006578][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2544.006578][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2544.006578][T16070] ipv6_find_idev+0x102/0x170 [ 2544.006578][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.006578][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.006578][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.006578][T16070] netlink_unicast+0x449/0x710 [ 2544.006578][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.006578][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.006578][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.006578][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.006578][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.006578][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.006578][T16070] [ 2544.008683][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2544.009033][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2544.009033][T16070] dst_init+0x84/0x4a0 [ 2544.009033][T16070] dst_alloc+0x97/0x150 [ 2544.009033][T16070] ip6_dst_alloc+0x23/0x90 [ 2544.009033][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.009033][T16070] ip6_pol_route+0x56f/0x840 [ 2544.009033][T16070] fib6_rule_lookup+0x334/0x630 [ 2544.009033][T16070] ip6_route_output_flags+0x259/0x480 [ 2544.009033][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2544.009033][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2544.009033][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2544.009033][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2544.009033][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2544.009033][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.009033][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.009033][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.009033][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.009033][T16070] [ 2544.011542][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.011542][T16070] dst_init+0x84/0x4a0 [ 2544.011542][T16070] dst_alloc+0x97/0x150 [ 2544.011542][T16070] ip6_dst_alloc+0x23/0x90 [ 2544.011542][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.011542][T16070] ip6_pol_route+0x56f/0x840 [ 2544.011542][T16070] fib6_rule_lookup+0x334/0x630 [ 2544.011542][T16070] ip6_route_output_flags+0x259/0x480 [ 2544.011542][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2544.011542][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2544.011542][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2544.011542][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2544.011542][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2544.011542][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2544.011542][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2544.011542][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2544.011542][T16070] ip6_input_finish+0x120/0x260 [ 2544.011542][T16070] [ 2544.014075][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.014075][T16070] dst_init+0x84/0x4a0 [ 2544.014075][T16070] dst_alloc+0x97/0x150 [ 2544.014075][T16070] ip6_dst_alloc+0x23/0x90 [ 2544.014075][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2544.014075][T16070] ip6_pol_route+0x56f/0x840 [ 2544.014075][T16070] fib6_rule_lookup+0x456/0x630 [ 2544.014075][T16070] ip6_route_input+0x59c/0xa50 [ 2544.014075][T16070] ipv6_rcv+0x397/0x810 [ 2544.014075][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2544.014075][T16070] process_backlog+0x101/0x620 [ 2544.014075][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2544.014075][T16070] net_rx_action+0x495/0xbe0 [ 2544.014075][T16070] __do_softirq+0x1b5/0x7f6 [ 2544.014075][T16070] [ 2544.016118][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.016118][T16070] netdev_get_by_index+0x5e/0x80 [ 2544.016118][T16070] fib6_nh_init+0x3d8/0x1580 [ 2544.016118][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2544.016118][T16070] ip6_route_add+0x1c/0x140 [ 2544.016118][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2544.016118][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2544.016118][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2544.016118][T16070] addrconf_dad_begin+0x310/0x670 [ 2544.016118][T16070] addrconf_dad_work+0x10b/0xab0 [ 2544.016118][T16070] process_one_work+0x84d/0x18a0 [ 2544.016118][T16070] worker_thread+0x587/0xd30 [ 2544.016118][T16070] kthread+0x28a/0x350 [ 2544.016118][T16070] ret_from_fork+0x31/0x70 [ 2544.016118][T16070] ret_from_fork_asm+0x1a/0x30 [ 2544.016118][T16070] [ 2544.018495][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.018495][T16070] netdev_get_by_index+0x5e/0x80 [ 2544.018495][T16070] fib6_nh_init+0x3d8/0x1580 [ 2544.018495][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2544.018495][T16070] ip6_route_add+0x1c/0x140 [ 2544.018495][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2544.018495][T16070] inet6_addr_add+0x4f8/0xa40 [ 2544.018495][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.018495][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.018495][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.018495][T16070] netlink_unicast+0x449/0x710 [ 2544.018495][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.018495][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.018495][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.018495][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.018495][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.018495][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.018495][T16070] [ 2544.021149][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.021149][T16070] netdev_get_by_index+0x5e/0x80 [ 2544.021149][T16070] fib6_nh_init+0x3d8/0x1580 [ 2544.021149][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2544.021149][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2544.021149][T16070] ipv6_add_addr+0x411/0x2000 [ 2544.021149][T16070] inet6_addr_add+0x30e/0xa40 [ 2544.021149][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.021149][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.021149][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.021149][T16070] netlink_unicast+0x449/0x710 [ 2544.021149][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.021149][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.021149][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.021149][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.021149][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.021149][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.021149][T16070] [ 2544.023798][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.023798][T16070] netdev_get_by_index+0x5e/0x80 [ 2544.023798][T16070] fib6_nh_init+0x3d8/0x1580 [ 2544.023798][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2544.023798][T16070] ip6_route_add+0x1c/0x140 [ 2544.023798][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2544.023798][T16070] addrconf_add_dev+0xe2/0x170 [ 2544.023798][T16070] inet6_addr_add+0x12f/0xa40 [ 2544.023798][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2544.023798][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.023798][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.023798][T16070] netlink_unicast+0x449/0x710 [ 2544.023798][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.023798][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.023798][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.023798][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.023798][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.023798][T16070] [ 2544.026427][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.026427][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2544.026427][T16070] ipv6_find_idev+0x102/0x170 [ 2544.026427][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.026427][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.026427][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.026427][T16070] netlink_unicast+0x449/0x710 [ 2544.026427][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.026427][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.026427][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.026427][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.026427][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.026427][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.026427][T16070] [ 2544.028454][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2544.028454][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2544.028454][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2544.028454][T16070] ipv6_find_idev+0x102/0x170 [ 2544.028454][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2544.028454][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2544.028454][T16070] netlink_rcv_skb+0x130/0x360 [ 2544.028454][T16070] netlink_unicast+0x449/0x710 [ 2544.028454][T16070] netlink_sendmsg+0x723/0xbe0 [ 2544.028454][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2544.028454][T16070] ___sys_sendmsg+0xee/0x170 [ 2544.028454][T16070] __sys_sendmsg+0xcd/0x170 [ 2544.028454][T16070] do_syscall_64+0xc6/0x1e0 [ 2544.028454][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2544.028454][T16070] [ 2553.272934][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2553.273388][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.273388][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.273388][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.273388][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.273388][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.273388][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.273388][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.273388][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.273388][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.273388][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.273388][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.273388][ T74] process_one_work+0x84d/0x18a0 [ 2553.273388][ T74] worker_thread+0x587/0xd30 [ 2553.273388][ T74] kthread+0x28a/0x350 [ 2553.273388][ T74] ret_from_fork+0x31/0x70 [ 2553.273388][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.273388][ T74] [ 2553.275570][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.275570][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.275570][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.275570][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.275570][ T74] ip6_route_add+0x1c/0x140 [ 2553.275570][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.275570][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.275570][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.275570][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.275570][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.275570][ T74] netlink_unicast+0x449/0x710 [ 2553.275570][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.275570][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.275570][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.275570][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.275570][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.275570][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.275570][ T74] [ 2553.277826][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.277826][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.277826][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.277826][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.277826][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.277826][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.277826][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.277826][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.277826][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.277826][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.277826][ T74] netlink_unicast+0x449/0x710 [ 2553.277826][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.277826][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.277826][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.277826][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.277826][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.277826][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.277826][ T74] [ 2553.280095][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.280095][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.280095][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.280095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.280095][ T74] ip6_route_add+0x1c/0x140 [ 2553.280095][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.280095][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.280095][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.280095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.280095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.280095][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.280095][ T74] netlink_unicast+0x449/0x710 [ 2553.280095][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.280095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.280095][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.280095][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.280095][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.280095][ T74] [ 2553.282295][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.282295][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.282295][ T74] ipv6_find_idev+0x102/0x170 [ 2553.282295][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.282295][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.282295][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.282295][ T74] netlink_unicast+0x449/0x710 [ 2553.282295][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.282295][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.282295][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.282295][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.282295][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.282295][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.282295][ T74] [ 2553.284028][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2553.284028][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.284028][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.284028][ T74] ipv6_find_idev+0x102/0x170 [ 2553.284028][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.284028][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.284028][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.284028][ T74] netlink_unicast+0x449/0x710 [ 2553.284028][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.284028][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.284028][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.284028][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.284028][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.284028][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.284028][ T74] [ 2553.285911][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2553.286173][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.286173][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.286173][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.286173][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.286173][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.286173][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.286173][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.286173][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.286173][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.286173][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.286173][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.286173][ T74] process_one_work+0x84d/0x18a0 [ 2553.286173][ T74] worker_thread+0x587/0xd30 [ 2553.286173][ T74] kthread+0x28a/0x350 [ 2553.286173][ T74] ret_from_fork+0x31/0x70 [ 2553.286173][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.286173][ T74] [ 2553.288325][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.288325][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.288325][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.288325][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.288325][ T74] ip6_route_add+0x1c/0x140 [ 2553.288325][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.288325][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.288325][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.288325][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.288325][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.288325][ T74] netlink_unicast+0x449/0x710 [ 2553.288325][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.288325][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.288325][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.288325][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.288325][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.288325][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.288325][ T74] [ 2553.290575][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.290575][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.290575][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.290575][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.290575][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.290575][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.290575][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.290575][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.290575][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.290575][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.290575][ T74] netlink_unicast+0x449/0x710 [ 2553.290575][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.290575][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.290575][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.290575][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.290575][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.290575][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.290575][ T74] [ 2553.292810][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.292810][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.292810][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.292810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.292810][ T74] ip6_route_add+0x1c/0x140 [ 2553.292810][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.292810][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.292810][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.292810][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.292810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.292810][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.292810][ T74] netlink_unicast+0x449/0x710 [ 2553.292810][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.292810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.292810][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.292810][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.292810][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.292810][ T74] [ 2553.295017][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.295017][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.295017][ T74] ipv6_find_idev+0x102/0x170 [ 2553.295017][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.295017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.295017][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.295017][ T74] netlink_unicast+0x449/0x710 [ 2553.295017][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.295017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.295017][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.295017][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.295017][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.295017][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.295017][ T74] [ 2553.296746][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2553.296746][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.296746][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.296746][ T74] ipv6_find_idev+0x102/0x170 [ 2553.296746][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.296746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.296746][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.296746][ T74] netlink_unicast+0x449/0x710 [ 2553.296746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.296746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.296746][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.296746][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.296746][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.296746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.296746][ T74] [ 2553.298637][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2553.298924][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.298924][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.298924][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.298924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.298924][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.298924][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.298924][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.298924][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.298924][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.298924][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.298924][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.298924][ T74] process_one_work+0x84d/0x18a0 [ 2553.298924][ T74] worker_thread+0x587/0xd30 [ 2553.298924][ T74] kthread+0x28a/0x350 [ 2553.298924][ T74] ret_from_fork+0x31/0x70 [ 2553.298924][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.298924][ T74] [ 2553.301069][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.301069][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.301069][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.301069][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.301069][ T74] ip6_route_add+0x1c/0x140 [ 2553.301069][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.301069][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.301069][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.301069][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.301069][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.301069][ T74] netlink_unicast+0x449/0x710 [ 2553.301069][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.301069][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.301069][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.301069][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.301069][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.301069][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.301069][ T74] [ 2553.303479][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.303479][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.303479][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.303479][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.303479][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.303479][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.303479][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.303479][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.303479][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.303479][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.303479][ T74] netlink_unicast+0x449/0x710 [ 2553.303479][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.303479][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.303479][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.303479][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.303479][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.303479][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.303479][ T74] [ 2553.305965][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.305965][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.305965][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.305965][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.305965][ T74] ip6_route_add+0x1c/0x140 [ 2553.305965][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.305965][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.305965][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.305965][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.305965][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.305965][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.305965][ T74] netlink_unicast+0x449/0x710 [ 2553.305965][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.305965][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.305965][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.305965][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.305965][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.305965][ T74] [ 2553.308465][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.308465][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.308465][ T74] ipv6_find_idev+0x102/0x170 [ 2553.308465][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.308465][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.308465][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.308465][ T74] netlink_unicast+0x449/0x710 [ 2553.308465][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.308465][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.308465][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.308465][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.308465][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.308465][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.308465][ T74] [ 2553.310380][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2553.310380][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.310380][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.310380][ T74] ipv6_find_idev+0x102/0x170 [ 2553.310380][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.310380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.310380][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.310380][ T74] netlink_unicast+0x449/0x710 [ 2553.310380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.310380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.310380][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.310380][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.310380][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.310380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.310380][ T74] [ 2553.312402][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2553.312659][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.312659][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.312659][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.312659][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.312659][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2553.312659][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2553.312659][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2553.312659][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2553.312659][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2553.312659][ T74] addrconf_dad_begin+0x310/0x670 [ 2553.312659][ T74] addrconf_dad_work+0x10b/0xab0 [ 2553.312659][ T74] process_one_work+0x84d/0x18a0 [ 2553.312659][ T74] worker_thread+0x587/0xd30 [ 2553.312659][ T74] kthread+0x28a/0x350 [ 2553.312659][ T74] ret_from_fork+0x31/0x70 [ 2553.312659][ T74] ret_from_fork_asm+0x1a/0x30 [ 2553.312659][ T74] [ 2553.315044][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.315044][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.315044][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.315044][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.315044][ T74] ip6_route_add+0x1c/0x140 [ 2553.315044][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2553.315044][ T74] inet6_addr_add+0x4f8/0xa40 [ 2553.315044][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.315044][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.315044][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.315044][ T74] netlink_unicast+0x449/0x710 [ 2553.315044][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.315044][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.315044][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.315044][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.315044][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.315044][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.315044][ T74] [ 2553.317594][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.317594][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.317594][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.317594][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.317594][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2553.317594][ T74] ipv6_add_addr+0x411/0x2000 [ 2553.317594][ T74] inet6_addr_add+0x30e/0xa40 [ 2553.317594][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.317594][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.317594][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.317594][ T74] netlink_unicast+0x449/0x710 [ 2553.317594][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.317594][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.317594][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.317594][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.317594][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.317594][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.317594][ T74] [ 2553.320078][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.320078][ T74] netdev_get_by_index+0x5e/0x80 [ 2553.320078][ T74] fib6_nh_init+0x3d8/0x1580 [ 2553.320078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2553.320078][ T74] ip6_route_add+0x1c/0x140 [ 2553.320078][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2553.320078][ T74] addrconf_add_dev+0xe2/0x170 [ 2553.320078][ T74] inet6_addr_add+0x12f/0xa40 [ 2553.320078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2553.320078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.320078][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.320078][ T74] netlink_unicast+0x449/0x710 [ 2553.320078][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.320078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.320078][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.320078][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.320078][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.320078][ T74] [ 2553.322455][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.322455][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2553.322455][ T74] ipv6_find_idev+0x102/0x170 [ 2553.322455][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.322455][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.322455][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.322455][ T74] netlink_unicast+0x449/0x710 [ 2553.322455][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.322455][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.322455][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.322455][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.322455][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.322455][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.322455][ T74] [ 2553.324353][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2553.324353][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2553.324353][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2553.324353][ T74] ipv6_find_idev+0x102/0x170 [ 2553.324353][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2553.324353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2553.324353][ T74] netlink_rcv_skb+0x130/0x360 [ 2553.324353][ T74] netlink_unicast+0x449/0x710 [ 2553.324353][ T74] netlink_sendmsg+0x723/0xbe0 [ 2553.324353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2553.324353][ T74] ___sys_sendmsg+0xee/0x170 [ 2553.324353][ T74] __sys_sendmsg+0xcd/0x170 [ 2553.324353][ T74] do_syscall_64+0xc6/0x1e0 [ 2553.324353][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2553.324353][ T74] [ 2554.272940][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2554.273406][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2554.273406][T16070] dst_init+0x84/0x4a0 [ 2554.273406][T16070] dst_alloc+0x97/0x150 [ 2554.273406][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.273406][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.273406][T16070] ip6_pol_route+0x56f/0x840 [ 2554.273406][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2554.273406][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2554.273406][T16070] fib6_rule_lookup+0x182/0x630 [ 2554.273406][T16070] ip6_route_output_flags+0x259/0x480 [ 2554.273406][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2554.273406][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2554.273406][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2554.273406][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2554.273406][T16070] ip6_datagram_connect+0x2c/0x50 [ 2554.273406][T16070] __sys_connect+0x217/0x2a0 [ 2554.273406][T16070] __x64_sys_connect+0x72/0xb0 [ 2554.273406][T16070] [ 2554.275973][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2554.275973][T16070] dst_init+0x84/0x4a0 [ 2554.275973][T16070] dst_alloc+0x97/0x150 [ 2554.275973][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.275973][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.275973][T16070] ip6_pol_route+0x56f/0x840 [ 2554.275973][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2554.275973][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2554.275973][T16070] fib6_rule_lookup+0x182/0x630 [ 2554.275973][T16070] ip6_route_output_flags+0x259/0x480 [ 2554.275973][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2554.275973][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2554.275973][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2554.275973][T16070] __inet_stream_connect+0x272/0x9f0 [ 2554.275973][T16070] inet_stream_connect+0x57/0xa0 [ 2554.275973][T16070] __sys_connect+0x217/0x2a0 [ 2554.275973][T16070] __x64_sys_connect+0x72/0xb0 [ 2554.275973][T16070] [ 2554.278471][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.278471][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2554.278471][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2554.278471][T16070] fib6_nh_init+0xa22/0x1580 [ 2554.278471][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.278471][T16070] ip6_route_add+0x1c/0x140 [ 2554.278471][T16070] inet6_rtm_newroute+0x104/0x110 [ 2554.278471][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.278471][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.278471][T16070] netlink_unicast+0x449/0x710 [ 2554.278471][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.278471][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.278471][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.278471][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.278471][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.278471][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.278471][T16070] [ 2554.280827][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.280827][T16070] dst_init+0x84/0x4a0 [ 2554.280827][T16070] dst_alloc+0x97/0x150 [ 2554.280827][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.280827][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.280827][T16070] ip6_pol_route+0x56f/0x840 [ 2554.280827][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2554.280827][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2554.280827][T16070] fib6_rule_lookup+0x182/0x630 [ 2554.280827][T16070] ip6_route_input+0x59c/0xa50 [ 2554.280827][T16070] ipv6_rcv+0x397/0x810 [ 2554.280827][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2554.280827][T16070] process_backlog+0x101/0x620 [ 2554.280827][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2554.280827][T16070] net_rx_action+0x495/0xbe0 [ 2554.280827][T16070] __do_softirq+0x1b5/0x7f6 [ 2554.280827][T16070] [ 2554.283150][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.283150][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.283150][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.283150][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.283150][T16070] ip6_route_add+0x1c/0x140 [ 2554.283150][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2554.283150][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2554.283150][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2554.283150][T16070] addrconf_dad_begin+0x310/0x670 [ 2554.283150][T16070] addrconf_dad_work+0x10b/0xab0 [ 2554.283150][T16070] process_one_work+0x84d/0x18a0 [ 2554.283150][T16070] worker_thread+0x587/0xd30 [ 2554.283150][T16070] kthread+0x28a/0x350 [ 2554.283150][T16070] ret_from_fork+0x31/0x70 [ 2554.283150][T16070] ret_from_fork_asm+0x1a/0x30 [ 2554.283150][T16070] [ 2554.285381][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.285381][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.285381][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.285381][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.285381][T16070] ip6_route_add+0x1c/0x140 [ 2554.285381][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2554.285381][T16070] inet6_addr_add+0x4f8/0xa40 [ 2554.285381][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.285381][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.285381][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.285381][T16070] netlink_unicast+0x449/0x710 [ 2554.285381][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.285381][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.285381][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.285381][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.285381][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.285381][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.285381][T16070] [ 2554.287851][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.287851][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.287851][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.287851][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.287851][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2554.287851][T16070] ipv6_add_addr+0x411/0x2000 [ 2554.287851][T16070] inet6_addr_add+0x30e/0xa40 [ 2554.287851][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.287851][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.287851][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.287851][T16070] netlink_unicast+0x449/0x710 [ 2554.287851][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.287851][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.287851][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.287851][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.287851][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.287851][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.287851][T16070] [ 2554.290351][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.290351][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.290351][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.290351][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.290351][T16070] ip6_route_add+0x1c/0x140 [ 2554.290351][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.290351][T16070] addrconf_add_dev+0xe2/0x170 [ 2554.290351][T16070] inet6_addr_add+0x12f/0xa40 [ 2554.290351][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.290351][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.290351][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.290351][T16070] netlink_unicast+0x449/0x710 [ 2554.290351][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.290351][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.290351][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.290351][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.290351][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.290351][T16070] [ 2554.292827][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.292827][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2554.292827][T16070] ipv6_find_idev+0x102/0x170 [ 2554.292827][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.292827][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.292827][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.292827][T16070] netlink_unicast+0x449/0x710 [ 2554.292827][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.292827][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.292827][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.292827][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.292827][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.292827][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.292827][T16070] [ 2554.294751][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2554.294751][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2554.294751][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2554.294751][T16070] ipv6_find_idev+0x102/0x170 [ 2554.294751][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.294751][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.294751][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.294751][T16070] netlink_unicast+0x449/0x710 [ 2554.294751][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.294751][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.294751][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.294751][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.294751][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.294751][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.294751][T16070] [ 2554.296859][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2554.297193][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2554.297193][T16070] dst_init+0x84/0x4a0 [ 2554.297193][T16070] dst_alloc+0x97/0x150 [ 2554.297193][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.297193][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.297193][T16070] ip6_pol_route+0x56f/0x840 [ 2554.297193][T16070] fib6_rule_lookup+0x334/0x630 [ 2554.297193][T16070] ip6_route_output_flags+0x259/0x480 [ 2554.297193][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2554.297193][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2554.297193][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2554.297193][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2554.297193][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2554.297193][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.297193][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.297193][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.297193][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.297193][T16070] [ 2554.299697][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.299697][T16070] dst_init+0x84/0x4a0 [ 2554.299697][T16070] dst_alloc+0x97/0x150 [ 2554.299697][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.299697][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.299697][T16070] ip6_pol_route+0x56f/0x840 [ 2554.299697][T16070] fib6_rule_lookup+0x334/0x630 [ 2554.299697][T16070] ip6_route_output_flags+0x259/0x480 [ 2554.299697][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2554.299697][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2554.299697][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2554.299697][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2554.299697][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2554.299697][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2554.299697][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2554.299697][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2554.299697][T16070] ip6_input_finish+0x120/0x260 [ 2554.299697][T16070] [ 2554.302229][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.302229][T16070] dst_init+0x84/0x4a0 [ 2554.302229][T16070] dst_alloc+0x97/0x150 [ 2554.302229][T16070] ip6_dst_alloc+0x23/0x90 [ 2554.302229][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2554.302229][T16070] ip6_pol_route+0x56f/0x840 [ 2554.302229][T16070] fib6_rule_lookup+0x456/0x630 [ 2554.302229][T16070] ip6_route_input+0x59c/0xa50 [ 2554.302229][T16070] ipv6_rcv+0x397/0x810 [ 2554.302229][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2554.302229][T16070] process_backlog+0x101/0x620 [ 2554.302229][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2554.302229][T16070] net_rx_action+0x495/0xbe0 [ 2554.302229][T16070] __do_softirq+0x1b5/0x7f6 [ 2554.302229][T16070] [ 2554.304275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.304275][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.304275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.304275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.304275][T16070] ip6_route_add+0x1c/0x140 [ 2554.304275][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2554.304275][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2554.304275][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2554.304275][T16070] addrconf_dad_begin+0x310/0x670 [ 2554.304275][T16070] addrconf_dad_work+0x10b/0xab0 [ 2554.304275][T16070] process_one_work+0x84d/0x18a0 [ 2554.304275][T16070] worker_thread+0x587/0xd30 [ 2554.304275][T16070] kthread+0x28a/0x350 [ 2554.304275][T16070] ret_from_fork+0x31/0x70 [ 2554.304275][T16070] ret_from_fork_asm+0x1a/0x30 [ 2554.304275][T16070] [ 2554.306731][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.306731][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.306731][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.306731][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.306731][T16070] ip6_route_add+0x1c/0x140 [ 2554.306731][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2554.306731][T16070] inet6_addr_add+0x4f8/0xa40 [ 2554.306731][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.306731][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.306731][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.306731][T16070] netlink_unicast+0x449/0x710 [ 2554.306731][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.306731][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.306731][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.306731][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.306731][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.306731][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.306731][T16070] [ 2554.309603][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.309603][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.309603][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.309603][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.309603][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2554.309603][T16070] ipv6_add_addr+0x411/0x2000 [ 2554.309603][T16070] inet6_addr_add+0x30e/0xa40 [ 2554.309603][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.309603][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.309603][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.309603][T16070] netlink_unicast+0x449/0x710 [ 2554.309603][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.309603][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.309603][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.309603][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.309603][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.309603][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.309603][T16070] [ 2554.312401][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.312401][T16070] netdev_get_by_index+0x5e/0x80 [ 2554.312401][T16070] fib6_nh_init+0x3d8/0x1580 [ 2554.312401][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2554.312401][T16070] ip6_route_add+0x1c/0x140 [ 2554.312401][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2554.312401][T16070] addrconf_add_dev+0xe2/0x170 [ 2554.312401][T16070] inet6_addr_add+0x12f/0xa40 [ 2554.312401][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2554.312401][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.312401][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.312401][T16070] netlink_unicast+0x449/0x710 [ 2554.312401][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.312401][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.312401][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.312401][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.312401][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.312401][T16070] [ 2554.315068][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.315068][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2554.315068][T16070] ipv6_find_idev+0x102/0x170 [ 2554.315068][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.315068][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.315068][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.315068][T16070] netlink_unicast+0x449/0x710 [ 2554.315068][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.315068][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.315068][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.315068][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.315068][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.315068][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.315068][T16070] [ 2554.317210][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2554.317210][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2554.317210][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2554.317210][T16070] ipv6_find_idev+0x102/0x170 [ 2554.317210][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2554.317210][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2554.317210][T16070] netlink_rcv_skb+0x130/0x360 [ 2554.317210][T16070] netlink_unicast+0x449/0x710 [ 2554.317210][T16070] netlink_sendmsg+0x723/0xbe0 [ 2554.317210][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2554.317210][T16070] ___sys_sendmsg+0xee/0x170 [ 2554.317210][T16070] __sys_sendmsg+0xcd/0x170 [ 2554.317210][T16070] do_syscall_64+0xc6/0x1e0 [ 2554.317210][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2554.317210][T16070] [ 2563.352888][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2563.353355][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.353355][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.353355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.353355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.353355][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.353355][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.353355][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.353355][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.353355][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.353355][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.353355][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.353355][ T74] process_one_work+0x84d/0x18a0 [ 2563.353355][ T74] worker_thread+0x587/0xd30 [ 2563.353355][ T74] kthread+0x28a/0x350 [ 2563.353355][ T74] ret_from_fork+0x31/0x70 [ 2563.353355][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.353355][ T74] [ 2563.355548][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.355548][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.355548][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.355548][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.355548][ T74] ip6_route_add+0x1c/0x140 [ 2563.355548][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.355548][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.355548][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.355548][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.355548][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.355548][ T74] netlink_unicast+0x449/0x710 [ 2563.355548][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.355548][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.355548][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.355548][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.355548][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.355548][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.355548][ T74] [ 2563.357781][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.357781][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.357781][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.357781][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.357781][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.357781][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.357781][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.357781][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.357781][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.357781][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.357781][ T74] netlink_unicast+0x449/0x710 [ 2563.357781][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.357781][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.357781][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.357781][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.357781][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.357781][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.357781][ T74] [ 2563.360011][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.360011][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.360011][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.360011][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.360011][ T74] ip6_route_add+0x1c/0x140 [ 2563.360011][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.360011][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.360011][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.360011][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.360011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.360011][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.360011][ T74] netlink_unicast+0x449/0x710 [ 2563.360011][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.360011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.360011][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.360011][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.360011][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.360011][ T74] [ 2563.362226][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.362226][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.362226][ T74] ipv6_find_idev+0x102/0x170 [ 2563.362226][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.362226][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.362226][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.362226][ T74] netlink_unicast+0x449/0x710 [ 2563.362226][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.362226][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.362226][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.362226][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.362226][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.362226][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.362226][ T74] [ 2563.363950][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2563.363950][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.363950][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.363950][ T74] ipv6_find_idev+0x102/0x170 [ 2563.363950][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.363950][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.363950][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.363950][ T74] netlink_unicast+0x449/0x710 [ 2563.363950][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.363950][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.363950][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.363950][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.363950][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.363950][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.363950][ T74] [ 2563.365852][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2563.366116][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.366116][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.366116][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.366116][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.366116][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.366116][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.366116][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.366116][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.366116][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.366116][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.366116][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.366116][ T74] process_one_work+0x84d/0x18a0 [ 2563.366116][ T74] worker_thread+0x587/0xd30 [ 2563.366116][ T74] kthread+0x28a/0x350 [ 2563.366116][ T74] ret_from_fork+0x31/0x70 [ 2563.366116][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.366116][ T74] [ 2563.368256][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.368256][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.368256][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.368256][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.368256][ T74] ip6_route_add+0x1c/0x140 [ 2563.368256][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.368256][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.368256][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.368256][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.368256][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.368256][ T74] netlink_unicast+0x449/0x710 [ 2563.368256][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.368256][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.368256][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.368256][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.368256][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.368256][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.368256][ T74] [ 2563.370492][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.370492][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.370492][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.370492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.370492][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.370492][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.370492][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.370492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.370492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.370492][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.370492][ T74] netlink_unicast+0x449/0x710 [ 2563.370492][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.370492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.370492][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.370492][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.370492][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.370492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.370492][ T74] [ 2563.372734][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.372734][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.372734][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.372734][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.372734][ T74] ip6_route_add+0x1c/0x140 [ 2563.372734][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.372734][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.372734][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.372734][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.372734][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.372734][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.372734][ T74] netlink_unicast+0x449/0x710 [ 2563.372734][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.372734][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.372734][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.372734][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.372734][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.372734][ T74] [ 2563.374954][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.374954][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.374954][ T74] ipv6_find_idev+0x102/0x170 [ 2563.374954][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.374954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.374954][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.374954][ T74] netlink_unicast+0x449/0x710 [ 2563.374954][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.374954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.374954][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.374954][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.374954][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.374954][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.374954][ T74] [ 2563.376697][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2563.376697][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.376697][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.376697][ T74] ipv6_find_idev+0x102/0x170 [ 2563.376697][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.376697][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.376697][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.376697][ T74] netlink_unicast+0x449/0x710 [ 2563.376697][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.376697][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.376697][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.376697][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.376697][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.376697][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.376697][ T74] [ 2563.378613][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2563.378899][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.378899][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.378899][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.378899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.378899][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.378899][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.378899][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.378899][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.378899][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.378899][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.378899][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.378899][ T74] process_one_work+0x84d/0x18a0 [ 2563.378899][ T74] worker_thread+0x587/0xd30 [ 2563.378899][ T74] kthread+0x28a/0x350 [ 2563.378899][ T74] ret_from_fork+0x31/0x70 [ 2563.378899][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.378899][ T74] [ 2563.381083][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.381083][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.381083][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.381083][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.381083][ T74] ip6_route_add+0x1c/0x140 [ 2563.381083][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.381083][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.381083][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.381083][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.381083][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.381083][ T74] netlink_unicast+0x449/0x710 [ 2563.381083][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.381083][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.381083][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.381083][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.381083][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.381083][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.381083][ T74] [ 2563.383514][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.383514][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.383514][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.383514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.383514][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.383514][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.383514][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.383514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.383514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.383514][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.383514][ T74] netlink_unicast+0x449/0x710 [ 2563.383514][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.383514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.383514][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.383514][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.383514][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.383514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.383514][ T74] [ 2563.386015][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.386015][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.386015][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.386015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.386015][ T74] ip6_route_add+0x1c/0x140 [ 2563.386015][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.386015][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.386015][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.386015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.386015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.386015][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.386015][ T74] netlink_unicast+0x449/0x710 [ 2563.386015][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.386015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.386015][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.386015][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.386015][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.386015][ T74] [ 2563.389088][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.389088][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.389088][ T74] ipv6_find_idev+0x102/0x170 [ 2563.389088][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.389088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.389088][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.389088][ T74] netlink_unicast+0x449/0x710 [ 2563.389088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.389088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.389088][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.389088][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.389088][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.389088][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.389088][ T74] [ 2563.391016][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2563.391016][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.391016][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.391016][ T74] ipv6_find_idev+0x102/0x170 [ 2563.391016][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.391016][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.391016][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.391016][ T74] netlink_unicast+0x449/0x710 [ 2563.391016][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.391016][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.391016][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.391016][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.391016][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.391016][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.391016][ T74] [ 2563.393093][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2563.393351][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.393351][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.393351][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.393351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.393351][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2563.393351][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2563.393351][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2563.393351][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2563.393351][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2563.393351][ T74] addrconf_dad_begin+0x310/0x670 [ 2563.393351][ T74] addrconf_dad_work+0x10b/0xab0 [ 2563.393351][ T74] process_one_work+0x84d/0x18a0 [ 2563.393351][ T74] worker_thread+0x587/0xd30 [ 2563.393351][ T74] kthread+0x28a/0x350 [ 2563.393351][ T74] ret_from_fork+0x31/0x70 [ 2563.393351][ T74] ret_from_fork_asm+0x1a/0x30 [ 2563.393351][ T74] [ 2563.395716][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.395716][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.395716][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.395716][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.395716][ T74] ip6_route_add+0x1c/0x140 [ 2563.395716][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2563.395716][ T74] inet6_addr_add+0x4f8/0xa40 [ 2563.395716][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.395716][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.395716][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.395716][ T74] netlink_unicast+0x449/0x710 [ 2563.395716][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.395716][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.395716][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.395716][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.395716][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.395716][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.395716][ T74] [ 2563.398193][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.398193][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.398193][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.398193][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.398193][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2563.398193][ T74] ipv6_add_addr+0x411/0x2000 [ 2563.398193][ T74] inet6_addr_add+0x30e/0xa40 [ 2563.398193][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.398193][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.398193][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.398193][ T74] netlink_unicast+0x449/0x710 [ 2563.398193][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.398193][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.398193][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.398193][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.398193][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.398193][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.398193][ T74] [ 2563.400731][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.400731][ T74] netdev_get_by_index+0x5e/0x80 [ 2563.400731][ T74] fib6_nh_init+0x3d8/0x1580 [ 2563.400731][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2563.400731][ T74] ip6_route_add+0x1c/0x140 [ 2563.400731][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2563.400731][ T74] addrconf_add_dev+0xe2/0x170 [ 2563.400731][ T74] inet6_addr_add+0x12f/0xa40 [ 2563.400731][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2563.400731][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.400731][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.400731][ T74] netlink_unicast+0x449/0x710 [ 2563.400731][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.400731][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.400731][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.400731][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.400731][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.400731][ T74] [ 2563.403136][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.403136][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2563.403136][ T74] ipv6_find_idev+0x102/0x170 [ 2563.403136][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.403136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.403136][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.403136][ T74] netlink_unicast+0x449/0x710 [ 2563.403136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.403136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.403136][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.403136][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.403136][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.403136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.403136][ T74] [ 2563.405046][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2563.405046][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2563.405046][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2563.405046][ T74] ipv6_find_idev+0x102/0x170 [ 2563.405046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2563.405046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2563.405046][ T74] netlink_rcv_skb+0x130/0x360 [ 2563.405046][ T74] netlink_unicast+0x449/0x710 [ 2563.405046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2563.405046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2563.405046][ T74] ___sys_sendmsg+0xee/0x170 [ 2563.405046][ T74] __sys_sendmsg+0xcd/0x170 [ 2563.405046][ T74] do_syscall_64+0xc6/0x1e0 [ 2563.405046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2563.405046][ T74] [ 2564.376936][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2564.377799][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2564.377799][T16070] dst_init+0x84/0x4a0 [ 2564.377799][T16070] dst_alloc+0x97/0x150 [ 2564.377799][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.377799][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.377799][T16070] ip6_pol_route+0x56f/0x840 [ 2564.377799][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2564.377799][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2564.377799][T16070] fib6_rule_lookup+0x182/0x630 [ 2564.377799][T16070] ip6_route_output_flags+0x259/0x480 [ 2564.377799][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2564.377799][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2564.377799][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2564.377799][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2564.377799][T16070] ip6_datagram_connect+0x2c/0x50 [ 2564.377799][T16070] __sys_connect+0x217/0x2a0 [ 2564.377799][T16070] __x64_sys_connect+0x72/0xb0 [ 2564.377799][T16070] [ 2564.380116][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2564.380116][T16070] dst_init+0x84/0x4a0 [ 2564.380116][T16070] dst_alloc+0x97/0x150 [ 2564.380116][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.380116][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.380116][T16070] ip6_pol_route+0x56f/0x840 [ 2564.380116][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2564.380116][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2564.380116][T16070] fib6_rule_lookup+0x182/0x630 [ 2564.380116][T16070] ip6_route_output_flags+0x259/0x480 [ 2564.380116][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2564.380116][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2564.380116][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2564.380116][T16070] __inet_stream_connect+0x272/0x9f0 [ 2564.380116][T16070] inet_stream_connect+0x57/0xa0 [ 2564.380116][T16070] __sys_connect+0x217/0x2a0 [ 2564.380116][T16070] __x64_sys_connect+0x72/0xb0 [ 2564.380116][T16070] [ 2564.382374][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.382374][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2564.382374][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2564.382374][T16070] fib6_nh_init+0xa22/0x1580 [ 2564.382374][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.382374][T16070] ip6_route_add+0x1c/0x140 [ 2564.382374][T16070] inet6_rtm_newroute+0x104/0x110 [ 2564.382374][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.382374][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.382374][T16070] netlink_unicast+0x449/0x710 [ 2564.382374][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.382374][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.382374][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.382374][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.382374][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.382374][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.382374][T16070] [ 2564.384528][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.384528][T16070] dst_init+0x84/0x4a0 [ 2564.384528][T16070] dst_alloc+0x97/0x150 [ 2564.384528][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.384528][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.384528][T16070] ip6_pol_route+0x56f/0x840 [ 2564.384528][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2564.384528][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2564.384528][T16070] fib6_rule_lookup+0x182/0x630 [ 2564.384528][T16070] ip6_route_input+0x59c/0xa50 [ 2564.384528][T16070] ipv6_rcv+0x397/0x810 [ 2564.384528][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2564.384528][T16070] process_backlog+0x101/0x620 [ 2564.384528][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2564.384528][T16070] net_rx_action+0x495/0xbe0 [ 2564.384528][T16070] __do_softirq+0x1b5/0x7f6 [ 2564.384528][T16070] [ 2564.386597][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.386597][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.386597][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.386597][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.386597][T16070] ip6_route_add+0x1c/0x140 [ 2564.386597][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2564.386597][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2564.386597][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2564.386597][T16070] addrconf_dad_begin+0x310/0x670 [ 2564.386597][T16070] addrconf_dad_work+0x10b/0xab0 [ 2564.386597][T16070] process_one_work+0x84d/0x18a0 [ 2564.386597][T16070] worker_thread+0x587/0xd30 [ 2564.386597][T16070] kthread+0x28a/0x350 [ 2564.386597][T16070] ret_from_fork+0x31/0x70 [ 2564.386597][T16070] ret_from_fork_asm+0x1a/0x30 [ 2564.386597][T16070] [ 2564.388614][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.388614][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.388614][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.388614][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.388614][T16070] ip6_route_add+0x1c/0x140 [ 2564.388614][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2564.388614][T16070] inet6_addr_add+0x4f8/0xa40 [ 2564.388614][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.388614][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.388614][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.388614][T16070] netlink_unicast+0x449/0x710 [ 2564.388614][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.388614][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.388614][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.388614][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.388614][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.388614][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.388614][T16070] [ 2564.390893][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.390893][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.390893][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.390893][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.390893][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2564.390893][T16070] ipv6_add_addr+0x411/0x2000 [ 2564.390893][T16070] inet6_addr_add+0x30e/0xa40 [ 2564.390893][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.390893][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.390893][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.390893][T16070] netlink_unicast+0x449/0x710 [ 2564.390893][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.390893][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.390893][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.390893][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.390893][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.390893][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.390893][T16070] [ 2564.393129][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.393129][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.393129][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.393129][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.393129][T16070] ip6_route_add+0x1c/0x140 [ 2564.393129][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.393129][T16070] addrconf_add_dev+0xe2/0x170 [ 2564.393129][T16070] inet6_addr_add+0x12f/0xa40 [ 2564.393129][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.393129][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.393129][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.393129][T16070] netlink_unicast+0x449/0x710 [ 2564.393129][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.393129][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.393129][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.393129][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.393129][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.393129][T16070] [ 2564.395327][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.395327][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2564.395327][T16070] ipv6_find_idev+0x102/0x170 [ 2564.395327][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.395327][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.395327][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.395327][T16070] netlink_unicast+0x449/0x710 [ 2564.395327][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.395327][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.395327][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.395327][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.395327][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.395327][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.395327][T16070] [ 2564.397052][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2564.397052][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2564.397052][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2564.397052][T16070] ipv6_find_idev+0x102/0x170 [ 2564.397052][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.397052][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.397052][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.397052][T16070] netlink_unicast+0x449/0x710 [ 2564.397052][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.397052][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.397052][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.397052][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.397052][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.397052][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.397052][T16070] [ 2564.398951][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2564.399258][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2564.399258][T16070] dst_init+0x84/0x4a0 [ 2564.399258][T16070] dst_alloc+0x97/0x150 [ 2564.399258][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.399258][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.399258][T16070] ip6_pol_route+0x56f/0x840 [ 2564.399258][T16070] fib6_rule_lookup+0x334/0x630 [ 2564.399258][T16070] ip6_route_output_flags+0x259/0x480 [ 2564.399258][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2564.399258][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2564.399258][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2564.399258][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2564.399258][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2564.399258][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.399258][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.399258][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.399258][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.399258][T16070] [ 2564.401515][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.401515][T16070] dst_init+0x84/0x4a0 [ 2564.401515][T16070] dst_alloc+0x97/0x150 [ 2564.401515][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.401515][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.401515][T16070] ip6_pol_route+0x56f/0x840 [ 2564.401515][T16070] fib6_rule_lookup+0x334/0x630 [ 2564.401515][T16070] ip6_route_output_flags+0x259/0x480 [ 2564.401515][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2564.401515][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2564.401515][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2564.401515][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2564.401515][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2564.401515][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2564.401515][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2564.401515][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2564.401515][T16070] ip6_input_finish+0x120/0x260 [ 2564.401515][T16070] [ 2564.403791][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.403791][T16070] dst_init+0x84/0x4a0 [ 2564.403791][T16070] dst_alloc+0x97/0x150 [ 2564.403791][T16070] ip6_dst_alloc+0x23/0x90 [ 2564.403791][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2564.403791][T16070] ip6_pol_route+0x56f/0x840 [ 2564.403791][T16070] fib6_rule_lookup+0x456/0x630 [ 2564.403791][T16070] ip6_route_input+0x59c/0xa50 [ 2564.403791][T16070] ipv6_rcv+0x397/0x810 [ 2564.403791][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2564.403791][T16070] process_backlog+0x101/0x620 [ 2564.403791][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2564.403791][T16070] net_rx_action+0x495/0xbe0 [ 2564.403791][T16070] __do_softirq+0x1b5/0x7f6 [ 2564.403791][T16070] [ 2564.405630][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.405630][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.405630][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.405630][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.405630][T16070] ip6_route_add+0x1c/0x140 [ 2564.405630][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2564.405630][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2564.405630][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2564.405630][T16070] addrconf_dad_begin+0x310/0x670 [ 2564.405630][T16070] addrconf_dad_work+0x10b/0xab0 [ 2564.405630][T16070] process_one_work+0x84d/0x18a0 [ 2564.405630][T16070] worker_thread+0x587/0xd30 [ 2564.405630][T16070] kthread+0x28a/0x350 [ 2564.405630][T16070] ret_from_fork+0x31/0x70 [ 2564.405630][T16070] ret_from_fork_asm+0x1a/0x30 [ 2564.405630][T16070] [ 2564.407864][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.407864][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.407864][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.407864][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.407864][T16070] ip6_route_add+0x1c/0x140 [ 2564.407864][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2564.407864][T16070] inet6_addr_add+0x4f8/0xa40 [ 2564.407864][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.407864][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.407864][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.407864][T16070] netlink_unicast+0x449/0x710 [ 2564.407864][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.407864][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.407864][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.407864][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.407864][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.407864][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.407864][T16070] [ 2564.410493][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.410493][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.410493][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.410493][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.410493][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2564.410493][T16070] ipv6_add_addr+0x411/0x2000 [ 2564.410493][T16070] inet6_addr_add+0x30e/0xa40 [ 2564.410493][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.410493][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.410493][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.410493][T16070] netlink_unicast+0x449/0x710 [ 2564.410493][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.410493][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.410493][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.410493][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.410493][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.410493][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.410493][T16070] [ 2564.413052][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.413052][T16070] netdev_get_by_index+0x5e/0x80 [ 2564.413052][T16070] fib6_nh_init+0x3d8/0x1580 [ 2564.413052][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2564.413052][T16070] ip6_route_add+0x1c/0x140 [ 2564.413052][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2564.413052][T16070] addrconf_add_dev+0xe2/0x170 [ 2564.413052][T16070] inet6_addr_add+0x12f/0xa40 [ 2564.413052][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2564.413052][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.413052][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.413052][T16070] netlink_unicast+0x449/0x710 [ 2564.413052][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.413052][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.413052][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.413052][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.413052][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.413052][T16070] [ 2564.415487][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.415487][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2564.415487][T16070] ipv6_find_idev+0x102/0x170 [ 2564.415487][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.415487][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.415487][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.415487][T16070] netlink_unicast+0x449/0x710 [ 2564.415487][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.415487][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.415487][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.415487][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.415487][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.415487][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.415487][T16070] [ 2564.417448][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2564.417448][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2564.417448][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2564.417448][T16070] ipv6_find_idev+0x102/0x170 [ 2564.417448][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2564.417448][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2564.417448][T16070] netlink_rcv_skb+0x130/0x360 [ 2564.417448][T16070] netlink_unicast+0x449/0x710 [ 2564.417448][T16070] netlink_sendmsg+0x723/0xbe0 [ 2564.417448][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2564.417448][T16070] ___sys_sendmsg+0xee/0x170 [ 2564.417448][T16070] __sys_sendmsg+0xcd/0x170 [ 2564.417448][T16070] do_syscall_64+0xc6/0x1e0 [ 2564.417448][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2564.417448][T16070] [ 2573.648864][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2573.649331][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.649331][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.649331][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.649331][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.649331][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2573.649331][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2573.649331][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2573.649331][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2573.649331][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2573.649331][ T74] addrconf_dad_begin+0x310/0x670 [ 2573.649331][ T74] addrconf_dad_work+0x10b/0xab0 [ 2573.649331][ T74] process_one_work+0x84d/0x18a0 [ 2573.649331][ T74] worker_thread+0x587/0xd30 [ 2573.649331][ T74] kthread+0x28a/0x350 [ 2573.649331][ T74] ret_from_fork+0x31/0x70 [ 2573.649331][ T74] ret_from_fork_asm+0x1a/0x30 [ 2573.649331][ T74] [ 2573.651519][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.651519][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.651519][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.651519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.651519][ T74] ip6_route_add+0x1c/0x140 [ 2573.651519][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2573.651519][ T74] inet6_addr_add+0x4f8/0xa40 [ 2573.651519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.651519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.651519][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.651519][ T74] netlink_unicast+0x449/0x710 [ 2573.651519][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.651519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.651519][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.651519][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.651519][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.651519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.651519][ T74] [ 2573.653812][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.653812][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.653812][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.653812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.653812][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2573.653812][ T74] ipv6_add_addr+0x411/0x2000 [ 2573.653812][ T74] inet6_addr_add+0x30e/0xa40 [ 2573.653812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.653812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.653812][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.653812][ T74] netlink_unicast+0x449/0x710 [ 2573.653812][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.653812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.653812][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.653812][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.653812][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.653812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.653812][ T74] [ 2573.656078][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.656078][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.656078][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.656078][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.656078][ T74] ip6_route_add+0x1c/0x140 [ 2573.656078][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2573.656078][ T74] addrconf_add_dev+0xe2/0x170 [ 2573.656078][ T74] inet6_addr_add+0x12f/0xa40 [ 2573.656078][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.656078][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.656078][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.656078][ T74] netlink_unicast+0x449/0x710 [ 2573.656078][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.656078][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.656078][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.656078][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.656078][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.656078][ T74] [ 2573.658315][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.658315][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2573.658315][ T74] ipv6_find_idev+0x102/0x170 [ 2573.658315][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.658315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.658315][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.658315][ T74] netlink_unicast+0x449/0x710 [ 2573.658315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.658315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.658315][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.658315][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.658315][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.658315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.658315][ T74] [ 2573.660036][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2573.660036][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2573.660036][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2573.660036][ T74] ipv6_find_idev+0x102/0x170 [ 2573.660036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.660036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.660036][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.660036][ T74] netlink_unicast+0x449/0x710 [ 2573.660036][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.660036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.660036][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.660036][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.660036][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.660036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.660036][ T74] [ 2573.661934][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2573.662196][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.662196][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.662196][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.662196][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.662196][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2573.662196][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2573.662196][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2573.662196][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2573.662196][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2573.662196][ T74] addrconf_dad_begin+0x310/0x670 [ 2573.662196][ T74] addrconf_dad_work+0x10b/0xab0 [ 2573.662196][ T74] process_one_work+0x84d/0x18a0 [ 2573.662196][ T74] worker_thread+0x587/0xd30 [ 2573.662196][ T74] kthread+0x28a/0x350 [ 2573.662196][ T74] ret_from_fork+0x31/0x70 [ 2573.662196][ T74] ret_from_fork_asm+0x1a/0x30 [ 2573.662196][ T74] [ 2573.664377][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.664377][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.664377][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.664377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.664377][ T74] ip6_route_add+0x1c/0x140 [ 2573.664377][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2573.664377][ T74] inet6_addr_add+0x4f8/0xa40 [ 2573.664377][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.664377][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.664377][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.664377][ T74] netlink_unicast+0x449/0x710 [ 2573.664377][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.664377][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.664377][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.664377][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.664377][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.664377][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.664377][ T74] [ 2573.666635][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.666635][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.666635][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.666635][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.666635][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2573.666635][ T74] ipv6_add_addr+0x411/0x2000 [ 2573.666635][ T74] inet6_addr_add+0x30e/0xa40 [ 2573.666635][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.666635][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.666635][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.666635][ T74] netlink_unicast+0x449/0x710 [ 2573.666635][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.666635][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.666635][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.666635][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.666635][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.666635][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.666635][ T74] [ 2573.668922][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.668922][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.668922][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.668922][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.668922][ T74] ip6_route_add+0x1c/0x140 [ 2573.668922][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2573.668922][ T74] addrconf_add_dev+0xe2/0x170 [ 2573.668922][ T74] inet6_addr_add+0x12f/0xa40 [ 2573.668922][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.668922][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.668922][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.668922][ T74] netlink_unicast+0x449/0x710 [ 2573.668922][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.668922][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.668922][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.668922][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.668922][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.668922][ T74] [ 2573.671143][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.671143][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2573.671143][ T74] ipv6_find_idev+0x102/0x170 [ 2573.671143][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.671143][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.671143][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.671143][ T74] netlink_unicast+0x449/0x710 [ 2573.671143][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.671143][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.671143][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.671143][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.671143][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.671143][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.671143][ T74] [ 2573.672881][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2573.672881][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2573.672881][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2573.672881][ T74] ipv6_find_idev+0x102/0x170 [ 2573.672881][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.672881][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.672881][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.672881][ T74] netlink_unicast+0x449/0x710 [ 2573.672881][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.672881][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.672881][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.672881][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.672881][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.672881][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.672881][ T74] [ 2573.674740][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2573.675042][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.675042][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.675042][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.675042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.675042][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2573.675042][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2573.675042][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2573.675042][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2573.675042][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2573.675042][ T74] addrconf_dad_begin+0x310/0x670 [ 2573.675042][ T74] addrconf_dad_work+0x10b/0xab0 [ 2573.675042][ T74] process_one_work+0x84d/0x18a0 [ 2573.675042][ T74] worker_thread+0x587/0xd30 [ 2573.675042][ T74] kthread+0x28a/0x350 [ 2573.675042][ T74] ret_from_fork+0x31/0x70 [ 2573.675042][ T74] ret_from_fork_asm+0x1a/0x30 [ 2573.675042][ T74] [ 2573.677223][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.677223][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.677223][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.677223][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.677223][ T74] ip6_route_add+0x1c/0x140 [ 2573.677223][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2573.677223][ T74] inet6_addr_add+0x4f8/0xa40 [ 2573.677223][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.677223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.677223][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.677223][ T74] netlink_unicast+0x449/0x710 [ 2573.677223][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.677223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.677223][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.677223][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.677223][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.677223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.677223][ T74] [ 2573.679650][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.679650][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.679650][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.679650][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.679650][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2573.679650][ T74] ipv6_add_addr+0x411/0x2000 [ 2573.679650][ T74] inet6_addr_add+0x30e/0xa40 [ 2573.679650][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.679650][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.679650][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.679650][ T74] netlink_unicast+0x449/0x710 [ 2573.679650][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.679650][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.679650][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.679650][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.679650][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.679650][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.679650][ T74] [ 2573.682236][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.682236][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.682236][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.682236][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.682236][ T74] ip6_route_add+0x1c/0x140 [ 2573.682236][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2573.682236][ T74] addrconf_add_dev+0xe2/0x170 [ 2573.682236][ T74] inet6_addr_add+0x12f/0xa40 [ 2573.682236][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.682236][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.682236][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.682236][ T74] netlink_unicast+0x449/0x710 [ 2573.682236][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.682236][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.682236][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.682236][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.682236][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.682236][ T74] [ 2573.684718][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.684718][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2573.684718][ T74] ipv6_find_idev+0x102/0x170 [ 2573.684718][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.684718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.684718][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.684718][ T74] netlink_unicast+0x449/0x710 [ 2573.684718][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.684718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.684718][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.684718][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.684718][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.684718][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.684718][ T74] [ 2573.686617][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2573.686617][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2573.686617][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2573.686617][ T74] ipv6_find_idev+0x102/0x170 [ 2573.686617][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.686617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.686617][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.686617][ T74] netlink_unicast+0x449/0x710 [ 2573.686617][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.686617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.686617][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.686617][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.686617][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.686617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.686617][ T74] [ 2573.688702][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2573.688989][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.688989][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.688989][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.688989][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.688989][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2573.688989][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2573.688989][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2573.688989][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2573.688989][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2573.688989][ T74] addrconf_dad_begin+0x310/0x670 [ 2573.688989][ T74] addrconf_dad_work+0x10b/0xab0 [ 2573.688989][ T74] process_one_work+0x84d/0x18a0 [ 2573.688989][ T74] worker_thread+0x587/0xd30 [ 2573.688989][ T74] kthread+0x28a/0x350 [ 2573.688989][ T74] ret_from_fork+0x31/0x70 [ 2573.688989][ T74] ret_from_fork_asm+0x1a/0x30 [ 2573.688989][ T74] [ 2573.691443][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.691443][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.691443][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.691443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.691443][ T74] ip6_route_add+0x1c/0x140 [ 2573.691443][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2573.691443][ T74] inet6_addr_add+0x4f8/0xa40 [ 2573.691443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.691443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.691443][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.691443][ T74] netlink_unicast+0x449/0x710 [ 2573.691443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.691443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.691443][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.691443][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.691443][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.691443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.691443][ T74] [ 2573.693957][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.693957][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.693957][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.693957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.693957][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2573.693957][ T74] ipv6_add_addr+0x411/0x2000 [ 2573.693957][ T74] inet6_addr_add+0x30e/0xa40 [ 2573.693957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.693957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.693957][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.693957][ T74] netlink_unicast+0x449/0x710 [ 2573.693957][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.693957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.693957][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.693957][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.693957][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.693957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.693957][ T74] [ 2573.696427][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.696427][ T74] netdev_get_by_index+0x5e/0x80 [ 2573.696427][ T74] fib6_nh_init+0x3d8/0x1580 [ 2573.696427][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2573.696427][ T74] ip6_route_add+0x1c/0x140 [ 2573.696427][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2573.696427][ T74] addrconf_add_dev+0xe2/0x170 [ 2573.696427][ T74] inet6_addr_add+0x12f/0xa40 [ 2573.696427][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2573.696427][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.696427][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.696427][ T74] netlink_unicast+0x449/0x710 [ 2573.696427][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.696427][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.696427][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.696427][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.696427][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.696427][ T74] [ 2573.698832][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.698832][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2573.698832][ T74] ipv6_find_idev+0x102/0x170 [ 2573.698832][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.698832][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.698832][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.698832][ T74] netlink_unicast+0x449/0x710 [ 2573.698832][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.698832][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.698832][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.698832][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.698832][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.698832][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.698832][ T74] [ 2573.700748][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2573.700748][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2573.700748][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2573.700748][ T74] ipv6_find_idev+0x102/0x170 [ 2573.700748][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2573.700748][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2573.700748][ T74] netlink_rcv_skb+0x130/0x360 [ 2573.700748][ T74] netlink_unicast+0x449/0x710 [ 2573.700748][ T74] netlink_sendmsg+0x723/0xbe0 [ 2573.700748][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2573.700748][ T74] ___sys_sendmsg+0xee/0x170 [ 2573.700748][ T74] __sys_sendmsg+0xcd/0x170 [ 2573.700748][ T74] do_syscall_64+0xc6/0x1e0 [ 2573.700748][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2573.700748][ T74] [ 2574.656938][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2574.657404][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2574.657404][T16070] dst_init+0x84/0x4a0 [ 2574.657404][T16070] dst_alloc+0x97/0x150 [ 2574.657404][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.657404][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.657404][T16070] ip6_pol_route+0x56f/0x840 [ 2574.657404][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2574.657404][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2574.657404][T16070] fib6_rule_lookup+0x182/0x630 [ 2574.657404][T16070] ip6_route_output_flags+0x259/0x480 [ 2574.657404][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2574.657404][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2574.657404][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2574.657404][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2574.657404][T16070] ip6_datagram_connect+0x2c/0x50 [ 2574.657404][T16070] __sys_connect+0x217/0x2a0 [ 2574.657404][T16070] __x64_sys_connect+0x72/0xb0 [ 2574.657404][T16070] [ 2574.659703][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2574.659703][T16070] dst_init+0x84/0x4a0 [ 2574.659703][T16070] dst_alloc+0x97/0x150 [ 2574.659703][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.659703][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.659703][T16070] ip6_pol_route+0x56f/0x840 [ 2574.659703][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2574.659703][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2574.659703][T16070] fib6_rule_lookup+0x182/0x630 [ 2574.659703][T16070] ip6_route_output_flags+0x259/0x480 [ 2574.659703][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2574.659703][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2574.659703][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2574.659703][T16070] __inet_stream_connect+0x272/0x9f0 [ 2574.659703][T16070] inet_stream_connect+0x57/0xa0 [ 2574.659703][T16070] __sys_connect+0x217/0x2a0 [ 2574.659703][T16070] __x64_sys_connect+0x72/0xb0 [ 2574.659703][T16070] [ 2574.661979][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.661979][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2574.661979][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2574.661979][T16070] fib6_nh_init+0xa22/0x1580 [ 2574.661979][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.661979][T16070] ip6_route_add+0x1c/0x140 [ 2574.661979][T16070] inet6_rtm_newroute+0x104/0x110 [ 2574.661979][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.661979][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.661979][T16070] netlink_unicast+0x449/0x710 [ 2574.661979][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.661979][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.661979][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.661979][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.661979][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.661979][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.661979][T16070] [ 2574.664102][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.664102][T16070] dst_init+0x84/0x4a0 [ 2574.664102][T16070] dst_alloc+0x97/0x150 [ 2574.664102][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.664102][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.664102][T16070] ip6_pol_route+0x56f/0x840 [ 2574.664102][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2574.664102][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2574.664102][T16070] fib6_rule_lookup+0x182/0x630 [ 2574.664102][T16070] ip6_route_input+0x59c/0xa50 [ 2574.664102][T16070] ipv6_rcv+0x397/0x810 [ 2574.664102][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.664102][T16070] process_backlog+0x101/0x620 [ 2574.664102][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2574.664102][T16070] net_rx_action+0x495/0xbe0 [ 2574.664102][T16070] __do_softirq+0x1b5/0x7f6 [ 2574.664102][T16070] [ 2574.666169][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.666169][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.666169][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.666169][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.666169][T16070] ip6_route_add+0x1c/0x140 [ 2574.666169][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2574.666169][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2574.666169][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2574.666169][T16070] addrconf_dad_begin+0x310/0x670 [ 2574.666169][T16070] addrconf_dad_work+0x10b/0xab0 [ 2574.666169][T16070] process_one_work+0x84d/0x18a0 [ 2574.666169][T16070] worker_thread+0x587/0xd30 [ 2574.666169][T16070] kthread+0x28a/0x350 [ 2574.666169][T16070] ret_from_fork+0x31/0x70 [ 2574.666169][T16070] ret_from_fork_asm+0x1a/0x30 [ 2574.666169][T16070] [ 2574.668172][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.668172][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.668172][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.668172][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.668172][T16070] ip6_route_add+0x1c/0x140 [ 2574.668172][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2574.668172][T16070] inet6_addr_add+0x4f8/0xa40 [ 2574.668172][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.668172][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.668172][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.668172][T16070] netlink_unicast+0x449/0x710 [ 2574.668172][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.668172][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.668172][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.668172][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.668172][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.668172][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.668172][T16070] [ 2574.670429][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.670429][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.670429][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.670429][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.670429][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2574.670429][T16070] ipv6_add_addr+0x411/0x2000 [ 2574.670429][T16070] inet6_addr_add+0x30e/0xa40 [ 2574.670429][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.670429][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.670429][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.670429][T16070] netlink_unicast+0x449/0x710 [ 2574.670429][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.670429][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.670429][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.670429][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.670429][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.670429][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.670429][T16070] [ 2574.672685][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.672685][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.672685][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.672685][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.672685][T16070] ip6_route_add+0x1c/0x140 [ 2574.672685][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.672685][T16070] addrconf_add_dev+0xe2/0x170 [ 2574.672685][T16070] inet6_addr_add+0x12f/0xa40 [ 2574.672685][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.672685][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.672685][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.672685][T16070] netlink_unicast+0x449/0x710 [ 2574.672685][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.672685][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.672685][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.672685][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.672685][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.672685][T16070] [ 2574.674891][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.674891][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2574.674891][T16070] ipv6_find_idev+0x102/0x170 [ 2574.674891][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.674891][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.674891][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.674891][T16070] netlink_unicast+0x449/0x710 [ 2574.674891][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.674891][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.674891][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.674891][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.674891][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.674891][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.674891][T16070] [ 2574.676630][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2574.676630][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2574.676630][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2574.676630][T16070] ipv6_find_idev+0x102/0x170 [ 2574.676630][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.676630][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.676630][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.676630][T16070] netlink_unicast+0x449/0x710 [ 2574.676630][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.676630][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.676630][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.676630][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.676630][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.676630][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.676630][T16070] [ 2574.678520][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2574.678839][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2574.678839][T16070] dst_init+0x84/0x4a0 [ 2574.678839][T16070] dst_alloc+0x97/0x150 [ 2574.678839][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.678839][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.678839][T16070] ip6_pol_route+0x56f/0x840 [ 2574.678839][T16070] fib6_rule_lookup+0x334/0x630 [ 2574.678839][T16070] ip6_route_output_flags+0x259/0x480 [ 2574.678839][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2574.678839][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2574.678839][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2574.678839][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2574.678839][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2574.678839][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.678839][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.678839][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.678839][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.678839][T16070] [ 2574.681089][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.681089][T16070] dst_init+0x84/0x4a0 [ 2574.681089][T16070] dst_alloc+0x97/0x150 [ 2574.681089][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.681089][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.681089][T16070] ip6_pol_route+0x56f/0x840 [ 2574.681089][T16070] fib6_rule_lookup+0x334/0x630 [ 2574.681089][T16070] ip6_route_output_flags+0x259/0x480 [ 2574.681089][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2574.681089][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2574.681089][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2574.681089][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2574.681089][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2574.681089][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2574.681089][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2574.681089][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2574.681089][T16070] ip6_input_finish+0x120/0x260 [ 2574.681089][T16070] [ 2574.683376][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.683376][T16070] dst_init+0x84/0x4a0 [ 2574.683376][T16070] dst_alloc+0x97/0x150 [ 2574.683376][T16070] ip6_dst_alloc+0x23/0x90 [ 2574.683376][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2574.683376][T16070] ip6_pol_route+0x56f/0x840 [ 2574.683376][T16070] fib6_rule_lookup+0x456/0x630 [ 2574.683376][T16070] ip6_route_input+0x59c/0xa50 [ 2574.683376][T16070] ipv6_rcv+0x397/0x810 [ 2574.683376][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2574.683376][T16070] process_backlog+0x101/0x620 [ 2574.683376][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2574.683376][T16070] net_rx_action+0x495/0xbe0 [ 2574.683376][T16070] __do_softirq+0x1b5/0x7f6 [ 2574.683376][T16070] [ 2574.685205][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.685205][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.685205][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.685205][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.685205][T16070] ip6_route_add+0x1c/0x140 [ 2574.685205][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2574.685205][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2574.685205][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2574.685205][T16070] addrconf_dad_begin+0x310/0x670 [ 2574.685205][T16070] addrconf_dad_work+0x10b/0xab0 [ 2574.685205][T16070] process_one_work+0x84d/0x18a0 [ 2574.685205][T16070] worker_thread+0x587/0xd30 [ 2574.685205][T16070] kthread+0x28a/0x350 [ 2574.685205][T16070] ret_from_fork+0x31/0x70 [ 2574.685205][T16070] ret_from_fork_asm+0x1a/0x30 [ 2574.685205][T16070] [ 2574.687445][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.687445][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.687445][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.687445][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.687445][T16070] ip6_route_add+0x1c/0x140 [ 2574.687445][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2574.687445][T16070] inet6_addr_add+0x4f8/0xa40 [ 2574.687445][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.687445][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.687445][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.687445][T16070] netlink_unicast+0x449/0x710 [ 2574.687445][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.687445][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.687445][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.687445][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.687445][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.687445][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.687445][T16070] [ 2574.690001][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.690001][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.690001][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.690001][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.690001][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2574.690001][T16070] ipv6_add_addr+0x411/0x2000 [ 2574.690001][T16070] inet6_addr_add+0x30e/0xa40 [ 2574.690001][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.690001][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.690001][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.690001][T16070] netlink_unicast+0x449/0x710 [ 2574.690001][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.690001][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.690001][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.690001][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.690001][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.690001][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.690001][T16070] [ 2574.692557][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.692557][T16070] netdev_get_by_index+0x5e/0x80 [ 2574.692557][T16070] fib6_nh_init+0x3d8/0x1580 [ 2574.692557][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2574.692557][T16070] ip6_route_add+0x1c/0x140 [ 2574.692557][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2574.692557][T16070] addrconf_add_dev+0xe2/0x170 [ 2574.692557][T16070] inet6_addr_add+0x12f/0xa40 [ 2574.692557][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2574.692557][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.692557][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.692557][T16070] netlink_unicast+0x449/0x710 [ 2574.692557][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.692557][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.692557][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.692557][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.692557][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.692557][T16070] [ 2574.695042][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.695042][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2574.695042][T16070] ipv6_find_idev+0x102/0x170 [ 2574.695042][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.695042][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.695042][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.695042][T16070] netlink_unicast+0x449/0x710 [ 2574.695042][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.695042][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.695042][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.695042][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.695042][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.695042][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.695042][T16070] [ 2574.697177][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2574.697177][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2574.697177][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2574.697177][T16070] ipv6_find_idev+0x102/0x170 [ 2574.697177][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2574.697177][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2574.697177][T16070] netlink_rcv_skb+0x130/0x360 [ 2574.697177][T16070] netlink_unicast+0x449/0x710 [ 2574.697177][T16070] netlink_sendmsg+0x723/0xbe0 [ 2574.697177][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2574.697177][T16070] ___sys_sendmsg+0xee/0x170 [ 2574.697177][T16070] __sys_sendmsg+0xcd/0x170 [ 2574.697177][T16070] do_syscall_64+0xc6/0x1e0 [ 2574.697177][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2574.697177][T16070] [ 2583.944868][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2583.945330][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.945330][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.945330][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.945330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.945330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2583.945330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2583.945330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2583.945330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2583.945330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2583.945330][ T74] addrconf_dad_begin+0x310/0x670 [ 2583.945330][ T74] addrconf_dad_work+0x10b/0xab0 [ 2583.945330][ T74] process_one_work+0x84d/0x18a0 [ 2583.945330][ T74] worker_thread+0x587/0xd30 [ 2583.945330][ T74] kthread+0x28a/0x350 [ 2583.945330][ T74] ret_from_fork+0x31/0x70 [ 2583.945330][ T74] ret_from_fork_asm+0x1a/0x30 [ 2583.945330][ T74] [ 2583.947497][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.947497][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.947497][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.947497][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.947497][ T74] ip6_route_add+0x1c/0x140 [ 2583.947497][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2583.947497][ T74] inet6_addr_add+0x4f8/0xa40 [ 2583.947497][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.947497][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.947497][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.947497][ T74] netlink_unicast+0x449/0x710 [ 2583.947497][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.947497][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.947497][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.947497][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.947497][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.947497][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.947497][ T74] [ 2583.949749][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.949749][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.949749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.949749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.949749][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2583.949749][ T74] ipv6_add_addr+0x411/0x2000 [ 2583.949749][ T74] inet6_addr_add+0x30e/0xa40 [ 2583.949749][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.949749][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.949749][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.949749][ T74] netlink_unicast+0x449/0x710 [ 2583.949749][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.949749][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.949749][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.949749][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.949749][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.949749][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.949749][ T74] [ 2583.951995][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.951995][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.951995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.951995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.951995][ T74] ip6_route_add+0x1c/0x140 [ 2583.951995][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2583.951995][ T74] addrconf_add_dev+0xe2/0x170 [ 2583.951995][ T74] inet6_addr_add+0x12f/0xa40 [ 2583.951995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.951995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.951995][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.951995][ T74] netlink_unicast+0x449/0x710 [ 2583.951995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.951995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.951995][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.951995][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.951995][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.951995][ T74] [ 2583.954223][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.954223][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2583.954223][ T74] ipv6_find_idev+0x102/0x170 [ 2583.954223][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.954223][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.954223][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.954223][ T74] netlink_unicast+0x449/0x710 [ 2583.954223][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.954223][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.954223][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.954223][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.954223][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.954223][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.954223][ T74] [ 2583.955947][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2583.955947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2583.955947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2583.955947][ T74] ipv6_find_idev+0x102/0x170 [ 2583.955947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.955947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.955947][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.955947][ T74] netlink_unicast+0x449/0x710 [ 2583.955947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.955947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.955947][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.955947][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.955947][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.955947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.955947][ T74] [ 2583.957833][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2583.958097][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.958097][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.958097][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.958097][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.958097][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2583.958097][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2583.958097][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2583.958097][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2583.958097][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2583.958097][ T74] addrconf_dad_begin+0x310/0x670 [ 2583.958097][ T74] addrconf_dad_work+0x10b/0xab0 [ 2583.958097][ T74] process_one_work+0x84d/0x18a0 [ 2583.958097][ T74] worker_thread+0x587/0xd30 [ 2583.958097][ T74] kthread+0x28a/0x350 [ 2583.958097][ T74] ret_from_fork+0x31/0x70 [ 2583.958097][ T74] ret_from_fork_asm+0x1a/0x30 [ 2583.958097][ T74] [ 2583.960252][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.960252][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.960252][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.960252][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.960252][ T74] ip6_route_add+0x1c/0x140 [ 2583.960252][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2583.960252][ T74] inet6_addr_add+0x4f8/0xa40 [ 2583.960252][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.960252][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.960252][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.960252][ T74] netlink_unicast+0x449/0x710 [ 2583.960252][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.960252][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.960252][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.960252][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.960252][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.960252][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.960252][ T74] [ 2583.962496][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.962496][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.962496][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.962496][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.962496][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2583.962496][ T74] ipv6_add_addr+0x411/0x2000 [ 2583.962496][ T74] inet6_addr_add+0x30e/0xa40 [ 2583.962496][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.962496][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.962496][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.962496][ T74] netlink_unicast+0x449/0x710 [ 2583.962496][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.962496][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.962496][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.962496][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.962496][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.962496][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.962496][ T74] [ 2583.964721][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.964721][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.964721][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.964721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.964721][ T74] ip6_route_add+0x1c/0x140 [ 2583.964721][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2583.964721][ T74] addrconf_add_dev+0xe2/0x170 [ 2583.964721][ T74] inet6_addr_add+0x12f/0xa40 [ 2583.964721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.964721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.964721][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.964721][ T74] netlink_unicast+0x449/0x710 [ 2583.964721][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.964721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.964721][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.964721][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.964721][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.964721][ T74] [ 2583.966902][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.966902][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2583.966902][ T74] ipv6_find_idev+0x102/0x170 [ 2583.966902][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.966902][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.966902][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.966902][ T74] netlink_unicast+0x449/0x710 [ 2583.966902][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.966902][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.966902][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.966902][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.966902][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.966902][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.966902][ T74] [ 2583.968634][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2583.968634][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2583.968634][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2583.968634][ T74] ipv6_find_idev+0x102/0x170 [ 2583.968634][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.968634][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.968634][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.968634][ T74] netlink_unicast+0x449/0x710 [ 2583.968634][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.968634][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.968634][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.968634][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.968634][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.968634][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.968634][ T74] [ 2583.970523][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2583.970786][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.970786][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.970786][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.970786][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.970786][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2583.970786][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2583.970786][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2583.970786][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2583.970786][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2583.970786][ T74] addrconf_dad_begin+0x310/0x670 [ 2583.970786][ T74] addrconf_dad_work+0x10b/0xab0 [ 2583.970786][ T74] process_one_work+0x84d/0x18a0 [ 2583.970786][ T74] worker_thread+0x587/0xd30 [ 2583.970786][ T74] kthread+0x28a/0x350 [ 2583.970786][ T74] ret_from_fork+0x31/0x70 [ 2583.970786][ T74] ret_from_fork_asm+0x1a/0x30 [ 2583.970786][ T74] [ 2583.972916][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.972916][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.972916][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.972916][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.972916][ T74] ip6_route_add+0x1c/0x140 [ 2583.972916][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2583.972916][ T74] inet6_addr_add+0x4f8/0xa40 [ 2583.972916][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.972916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.972916][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.972916][ T74] netlink_unicast+0x449/0x710 [ 2583.972916][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.972916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.972916][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.972916][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.972916][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.972916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.972916][ T74] [ 2583.975255][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.975255][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.975255][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.975255][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.975255][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2583.975255][ T74] ipv6_add_addr+0x411/0x2000 [ 2583.975255][ T74] inet6_addr_add+0x30e/0xa40 [ 2583.975255][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.975255][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.975255][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.975255][ T74] netlink_unicast+0x449/0x710 [ 2583.975255][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.975255][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.975255][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.975255][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.975255][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.975255][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.975255][ T74] [ 2583.977655][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.977655][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.977655][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.977655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.977655][ T74] ip6_route_add+0x1c/0x140 [ 2583.977655][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2583.977655][ T74] addrconf_add_dev+0xe2/0x170 [ 2583.977655][ T74] inet6_addr_add+0x12f/0xa40 [ 2583.977655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.977655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.977655][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.977655][ T74] netlink_unicast+0x449/0x710 [ 2583.977655][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.977655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.977655][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.977655][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.977655][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.977655][ T74] [ 2583.980011][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.980011][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2583.980011][ T74] ipv6_find_idev+0x102/0x170 [ 2583.980011][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.980011][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.980011][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.980011][ T74] netlink_unicast+0x449/0x710 [ 2583.980011][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.980011][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.980011][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.980011][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.980011][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.980011][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.980011][ T74] [ 2583.981801][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2583.981801][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2583.981801][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2583.981801][ T74] ipv6_find_idev+0x102/0x170 [ 2583.981801][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.981801][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.981801][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.981801][ T74] netlink_unicast+0x449/0x710 [ 2583.981801][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.981801][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.981801][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.981801][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.981801][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.981801][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.981801][ T74] [ 2583.983793][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2583.984526][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.984526][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.984526][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.984526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.984526][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2583.984526][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2583.984526][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2583.984526][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2583.984526][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2583.984526][ T74] addrconf_dad_begin+0x310/0x670 [ 2583.984526][ T74] addrconf_dad_work+0x10b/0xab0 [ 2583.984526][ T74] process_one_work+0x84d/0x18a0 [ 2583.984526][ T74] worker_thread+0x587/0xd30 [ 2583.984526][ T74] kthread+0x28a/0x350 [ 2583.984526][ T74] ret_from_fork+0x31/0x70 [ 2583.984526][ T74] ret_from_fork_asm+0x1a/0x30 [ 2583.984526][ T74] [ 2583.986698][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.986698][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.986698][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.986698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.986698][ T74] ip6_route_add+0x1c/0x140 [ 2583.986698][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2583.986698][ T74] inet6_addr_add+0x4f8/0xa40 [ 2583.986698][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.986698][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.986698][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.986698][ T74] netlink_unicast+0x449/0x710 [ 2583.986698][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.986698][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.986698][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.986698][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.986698][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.986698][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.986698][ T74] [ 2583.989033][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.989033][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.989033][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.989033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.989033][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2583.989033][ T74] ipv6_add_addr+0x411/0x2000 [ 2583.989033][ T74] inet6_addr_add+0x30e/0xa40 [ 2583.989033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.989033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.989033][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.989033][ T74] netlink_unicast+0x449/0x710 [ 2583.989033][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.989033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.989033][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.989033][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.989033][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.989033][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.989033][ T74] [ 2583.991420][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.991420][ T74] netdev_get_by_index+0x5e/0x80 [ 2583.991420][ T74] fib6_nh_init+0x3d8/0x1580 [ 2583.991420][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2583.991420][ T74] ip6_route_add+0x1c/0x140 [ 2583.991420][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2583.991420][ T74] addrconf_add_dev+0xe2/0x170 [ 2583.991420][ T74] inet6_addr_add+0x12f/0xa40 [ 2583.991420][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2583.991420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.991420][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.991420][ T74] netlink_unicast+0x449/0x710 [ 2583.991420][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.991420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.991420][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.991420][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.991420][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.991420][ T74] [ 2583.993761][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.993761][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2583.993761][ T74] ipv6_find_idev+0x102/0x170 [ 2583.993761][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.993761][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.993761][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.993761][ T74] netlink_unicast+0x449/0x710 [ 2583.993761][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.993761][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.993761][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.993761][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.993761][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.993761][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.993761][ T74] [ 2583.995551][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2583.995551][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2583.995551][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2583.995551][ T74] ipv6_find_idev+0x102/0x170 [ 2583.995551][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2583.995551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2583.995551][ T74] netlink_rcv_skb+0x130/0x360 [ 2583.995551][ T74] netlink_unicast+0x449/0x710 [ 2583.995551][ T74] netlink_sendmsg+0x723/0xbe0 [ 2583.995551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2583.995551][ T74] ___sys_sendmsg+0xee/0x170 [ 2583.995551][ T74] __sys_sendmsg+0xcd/0x170 [ 2583.995551][ T74] do_syscall_64+0xc6/0x1e0 [ 2583.995551][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2583.995551][ T74] [ 2584.936942][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2584.937494][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2584.937494][T16070] dst_init+0x84/0x4a0 [ 2584.937494][T16070] dst_alloc+0x97/0x150 [ 2584.937494][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.937494][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.937494][T16070] ip6_pol_route+0x56f/0x840 [ 2584.937494][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2584.937494][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2584.937494][T16070] fib6_rule_lookup+0x182/0x630 [ 2584.937494][T16070] ip6_route_output_flags+0x259/0x480 [ 2584.937494][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2584.937494][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2584.937494][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2584.937494][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2584.937494][T16070] ip6_datagram_connect+0x2c/0x50 [ 2584.937494][T16070] __sys_connect+0x217/0x2a0 [ 2584.937494][T16070] __x64_sys_connect+0x72/0xb0 [ 2584.937494][T16070] [ 2584.940049][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2584.940049][T16070] dst_init+0x84/0x4a0 [ 2584.940049][T16070] dst_alloc+0x97/0x150 [ 2584.940049][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.940049][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.940049][T16070] ip6_pol_route+0x56f/0x840 [ 2584.940049][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2584.940049][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2584.940049][T16070] fib6_rule_lookup+0x182/0x630 [ 2584.940049][T16070] ip6_route_output_flags+0x259/0x480 [ 2584.940049][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2584.940049][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2584.940049][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2584.940049][T16070] __inet_stream_connect+0x272/0x9f0 [ 2584.940049][T16070] inet_stream_connect+0x57/0xa0 [ 2584.940049][T16070] __sys_connect+0x217/0x2a0 [ 2584.940049][T16070] __x64_sys_connect+0x72/0xb0 [ 2584.940049][T16070] [ 2584.942540][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.942540][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2584.942540][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2584.942540][T16070] fib6_nh_init+0xa22/0x1580 [ 2584.942540][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.942540][T16070] ip6_route_add+0x1c/0x140 [ 2584.942540][T16070] inet6_rtm_newroute+0x104/0x110 [ 2584.942540][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.942540][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.942540][T16070] netlink_unicast+0x449/0x710 [ 2584.942540][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.942540][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.942540][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.942540][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.942540][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.942540][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.942540][T16070] [ 2584.944862][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.944862][T16070] dst_init+0x84/0x4a0 [ 2584.944862][T16070] dst_alloc+0x97/0x150 [ 2584.944862][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.944862][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.944862][T16070] ip6_pol_route+0x56f/0x840 [ 2584.944862][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2584.944862][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2584.944862][T16070] fib6_rule_lookup+0x182/0x630 [ 2584.944862][T16070] ip6_route_input+0x59c/0xa50 [ 2584.944862][T16070] ipv6_rcv+0x397/0x810 [ 2584.944862][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.944862][T16070] process_backlog+0x101/0x620 [ 2584.944862][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2584.944862][T16070] net_rx_action+0x495/0xbe0 [ 2584.944862][T16070] __do_softirq+0x1b5/0x7f6 [ 2584.944862][T16070] [ 2584.947173][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.947173][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.947173][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.947173][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.947173][T16070] ip6_route_add+0x1c/0x140 [ 2584.947173][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2584.947173][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2584.947173][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2584.947173][T16070] addrconf_dad_begin+0x310/0x670 [ 2584.947173][T16070] addrconf_dad_work+0x10b/0xab0 [ 2584.947173][T16070] process_one_work+0x84d/0x18a0 [ 2584.947173][T16070] worker_thread+0x587/0xd30 [ 2584.947173][T16070] kthread+0x28a/0x350 [ 2584.947173][T16070] ret_from_fork+0x31/0x70 [ 2584.947173][T16070] ret_from_fork_asm+0x1a/0x30 [ 2584.947173][T16070] [ 2584.949401][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.949401][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.949401][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.949401][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.949401][T16070] ip6_route_add+0x1c/0x140 [ 2584.949401][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2584.949401][T16070] inet6_addr_add+0x4f8/0xa40 [ 2584.949401][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.949401][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.949401][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.949401][T16070] netlink_unicast+0x449/0x710 [ 2584.949401][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.949401][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.949401][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.949401][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.949401][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.949401][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.949401][T16070] [ 2584.951913][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.951913][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.951913][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.951913][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.951913][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2584.951913][T16070] ipv6_add_addr+0x411/0x2000 [ 2584.951913][T16070] inet6_addr_add+0x30e/0xa40 [ 2584.951913][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.951913][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.951913][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.951913][T16070] netlink_unicast+0x449/0x710 [ 2584.951913][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.951913][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.951913][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.951913][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.951913][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.951913][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.951913][T16070] [ 2584.954392][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.954392][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.954392][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.954392][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.954392][T16070] ip6_route_add+0x1c/0x140 [ 2584.954392][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.954392][T16070] addrconf_add_dev+0xe2/0x170 [ 2584.954392][T16070] inet6_addr_add+0x12f/0xa40 [ 2584.954392][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.954392][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.954392][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.954392][T16070] netlink_unicast+0x449/0x710 [ 2584.954392][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.954392][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.954392][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.954392][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.954392][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.954392][T16070] [ 2584.956834][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.956834][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2584.956834][T16070] ipv6_find_idev+0x102/0x170 [ 2584.956834][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.956834][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.956834][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.956834][T16070] netlink_unicast+0x449/0x710 [ 2584.956834][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.956834][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.956834][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.956834][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.956834][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.956834][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.956834][T16070] [ 2584.958735][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2584.958735][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2584.958735][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2584.958735][T16070] ipv6_find_idev+0x102/0x170 [ 2584.958735][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.958735][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.958735][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.958735][T16070] netlink_unicast+0x449/0x710 [ 2584.958735][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.958735][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.958735][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.958735][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.958735][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.958735][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.958735][T16070] [ 2584.960837][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2584.961168][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2584.961168][T16070] dst_init+0x84/0x4a0 [ 2584.961168][T16070] dst_alloc+0x97/0x150 [ 2584.961168][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.961168][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.961168][T16070] ip6_pol_route+0x56f/0x840 [ 2584.961168][T16070] fib6_rule_lookup+0x334/0x630 [ 2584.961168][T16070] ip6_route_output_flags+0x259/0x480 [ 2584.961168][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2584.961168][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2584.961168][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2584.961168][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2584.961168][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2584.961168][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.961168][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.961168][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.961168][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.961168][T16070] [ 2584.963650][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.963650][T16070] dst_init+0x84/0x4a0 [ 2584.963650][T16070] dst_alloc+0x97/0x150 [ 2584.963650][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.963650][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.963650][T16070] ip6_pol_route+0x56f/0x840 [ 2584.963650][T16070] fib6_rule_lookup+0x334/0x630 [ 2584.963650][T16070] ip6_route_output_flags+0x259/0x480 [ 2584.963650][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2584.963650][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2584.963650][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2584.963650][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2584.963650][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2584.963650][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2584.963650][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2584.963650][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2584.963650][T16070] ip6_input_finish+0x120/0x260 [ 2584.963650][T16070] [ 2584.966169][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.966169][T16070] dst_init+0x84/0x4a0 [ 2584.966169][T16070] dst_alloc+0x97/0x150 [ 2584.966169][T16070] ip6_dst_alloc+0x23/0x90 [ 2584.966169][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2584.966169][T16070] ip6_pol_route+0x56f/0x840 [ 2584.966169][T16070] fib6_rule_lookup+0x456/0x630 [ 2584.966169][T16070] ip6_route_input+0x59c/0xa50 [ 2584.966169][T16070] ipv6_rcv+0x397/0x810 [ 2584.966169][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2584.966169][T16070] process_backlog+0x101/0x620 [ 2584.966169][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2584.966169][T16070] net_rx_action+0x495/0xbe0 [ 2584.966169][T16070] __do_softirq+0x1b5/0x7f6 [ 2584.966169][T16070] [ 2584.968186][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.968186][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.968186][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.968186][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.968186][T16070] ip6_route_add+0x1c/0x140 [ 2584.968186][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2584.968186][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2584.968186][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2584.968186][T16070] addrconf_dad_begin+0x310/0x670 [ 2584.968186][T16070] addrconf_dad_work+0x10b/0xab0 [ 2584.968186][T16070] process_one_work+0x84d/0x18a0 [ 2584.968186][T16070] worker_thread+0x587/0xd30 [ 2584.968186][T16070] kthread+0x28a/0x350 [ 2584.968186][T16070] ret_from_fork+0x31/0x70 [ 2584.968186][T16070] ret_from_fork_asm+0x1a/0x30 [ 2584.968186][T16070] [ 2584.970568][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.970568][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.970568][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.970568][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.970568][T16070] ip6_route_add+0x1c/0x140 [ 2584.970568][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2584.970568][T16070] inet6_addr_add+0x4f8/0xa40 [ 2584.970568][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.970568][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.970568][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.970568][T16070] netlink_unicast+0x449/0x710 [ 2584.970568][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.970568][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.970568][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.970568][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.970568][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.970568][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.970568][T16070] [ 2584.973437][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.973437][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.973437][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.973437][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.973437][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2584.973437][T16070] ipv6_add_addr+0x411/0x2000 [ 2584.973437][T16070] inet6_addr_add+0x30e/0xa40 [ 2584.973437][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.973437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.973437][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.973437][T16070] netlink_unicast+0x449/0x710 [ 2584.973437][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.973437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.973437][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.973437][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.973437][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.973437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.973437][T16070] [ 2584.976156][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.976156][T16070] netdev_get_by_index+0x5e/0x80 [ 2584.976156][T16070] fib6_nh_init+0x3d8/0x1580 [ 2584.976156][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2584.976156][T16070] ip6_route_add+0x1c/0x140 [ 2584.976156][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2584.976156][T16070] addrconf_add_dev+0xe2/0x170 [ 2584.976156][T16070] inet6_addr_add+0x12f/0xa40 [ 2584.976156][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2584.976156][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.976156][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.976156][T16070] netlink_unicast+0x449/0x710 [ 2584.976156][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.976156][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.976156][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.976156][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.976156][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.976156][T16070] [ 2584.978904][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.978904][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2584.978904][T16070] ipv6_find_idev+0x102/0x170 [ 2584.978904][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.978904][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.978904][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.978904][T16070] netlink_unicast+0x449/0x710 [ 2584.978904][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.978904][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.978904][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.978904][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.978904][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.978904][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.978904][T16070] [ 2584.980981][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2584.980981][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2584.980981][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2584.980981][T16070] ipv6_find_idev+0x102/0x170 [ 2584.980981][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2584.980981][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2584.980981][T16070] netlink_rcv_skb+0x130/0x360 [ 2584.980981][T16070] netlink_unicast+0x449/0x710 [ 2584.980981][T16070] netlink_sendmsg+0x723/0xbe0 [ 2584.980981][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2584.980981][T16070] ___sys_sendmsg+0xee/0x170 [ 2584.980981][T16070] __sys_sendmsg+0xcd/0x170 [ 2584.980981][T16070] do_syscall_64+0xc6/0x1e0 [ 2584.980981][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2584.980981][T16070] [ 2594.232930][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2594.233349][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.233349][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.233349][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.233349][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.233349][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.233349][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.233349][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.233349][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.233349][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.233349][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.233349][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.233349][ T74] process_one_work+0x84d/0x18a0 [ 2594.233349][ T74] worker_thread+0x587/0xd30 [ 2594.233349][ T74] kthread+0x28a/0x350 [ 2594.233349][ T74] ret_from_fork+0x31/0x70 [ 2594.233349][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.233349][ T74] [ 2594.235299][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.235299][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.235299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.235299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.235299][ T74] ip6_route_add+0x1c/0x140 [ 2594.235299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.235299][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.235299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.235299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.235299][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.235299][ T74] netlink_unicast+0x449/0x710 [ 2594.235299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.235299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.235299][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.235299][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.235299][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.235299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.235299][ T74] [ 2594.237299][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.237299][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.237299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.237299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.237299][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.237299][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.237299][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.237299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.237299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.237299][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.237299][ T74] netlink_unicast+0x449/0x710 [ 2594.237299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.237299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.237299][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.237299][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.237299][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.237299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.237299][ T74] [ 2594.239317][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.239317][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.239317][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.239317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.239317][ T74] ip6_route_add+0x1c/0x140 [ 2594.239317][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.239317][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.239317][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.239317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.239317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.239317][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.239317][ T74] netlink_unicast+0x449/0x710 [ 2594.239317][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.239317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.239317][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.239317][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.239317][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.239317][ T74] [ 2594.241288][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.241288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.241288][ T74] ipv6_find_idev+0x102/0x170 [ 2594.241288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.241288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.241288][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.241288][ T74] netlink_unicast+0x449/0x710 [ 2594.241288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.241288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.241288][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.241288][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.241288][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.241288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.241288][ T74] [ 2594.242823][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2594.242823][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.242823][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.242823][ T74] ipv6_find_idev+0x102/0x170 [ 2594.242823][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.242823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.242823][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.242823][ T74] netlink_unicast+0x449/0x710 [ 2594.242823][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.242823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.242823][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.242823][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.242823][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.242823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.242823][ T74] [ 2594.244504][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2594.244745][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.244745][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.244745][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.244745][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.244745][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.244745][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.244745][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.244745][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.244745][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.244745][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.244745][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.244745][ T74] process_one_work+0x84d/0x18a0 [ 2594.244745][ T74] worker_thread+0x587/0xd30 [ 2594.244745][ T74] kthread+0x28a/0x350 [ 2594.244745][ T74] ret_from_fork+0x31/0x70 [ 2594.244745][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.244745][ T74] [ 2594.246647][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.246647][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.246647][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.246647][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.246647][ T74] ip6_route_add+0x1c/0x140 [ 2594.246647][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.246647][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.246647][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.246647][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.246647][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.246647][ T74] netlink_unicast+0x449/0x710 [ 2594.246647][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.246647][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.246647][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.246647][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.246647][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.246647][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.246647][ T74] [ 2594.248643][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.248643][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.248643][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.248643][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.248643][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.248643][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.248643][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.248643][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.248643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.248643][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.248643][ T74] netlink_unicast+0x449/0x710 [ 2594.248643][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.248643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.248643][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.248643][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.248643][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.248643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.248643][ T74] [ 2594.250644][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.250644][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.250644][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.250644][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.250644][ T74] ip6_route_add+0x1c/0x140 [ 2594.250644][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.250644][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.250644][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.250644][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.250644][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.250644][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.250644][ T74] netlink_unicast+0x449/0x710 [ 2594.250644][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.250644][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.250644][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.250644][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.250644][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.250644][ T74] [ 2594.252601][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.252601][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.252601][ T74] ipv6_find_idev+0x102/0x170 [ 2594.252601][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.252601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.252601][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.252601][ T74] netlink_unicast+0x449/0x710 [ 2594.252601][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.252601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.252601][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.252601][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.252601][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.252601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.252601][ T74] [ 2594.254134][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2594.254134][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.254134][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.254134][ T74] ipv6_find_idev+0x102/0x170 [ 2594.254134][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.254134][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.254134][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.254134][ T74] netlink_unicast+0x449/0x710 [ 2594.254134][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.254134][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.254134][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.254134][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.254134][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.254134][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.254134][ T74] [ 2594.255794][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2594.256045][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.256045][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.256045][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.256045][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.256045][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.256045][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.256045][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.256045][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.256045][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.256045][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.256045][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.256045][ T74] process_one_work+0x84d/0x18a0 [ 2594.256045][ T74] worker_thread+0x587/0xd30 [ 2594.256045][ T74] kthread+0x28a/0x350 [ 2594.256045][ T74] ret_from_fork+0x31/0x70 [ 2594.256045][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.256045][ T74] [ 2594.257955][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.257955][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.257955][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.257955][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.257955][ T74] ip6_route_add+0x1c/0x140 [ 2594.257955][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.257955][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.257955][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.257955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.257955][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.257955][ T74] netlink_unicast+0x449/0x710 [ 2594.257955][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.257955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.257955][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.257955][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.257955][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.257955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.257955][ T74] [ 2594.260136][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.260136][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.260136][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.260136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.260136][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.260136][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.260136][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.260136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.260136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.260136][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.260136][ T74] netlink_unicast+0x449/0x710 [ 2594.260136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.260136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.260136][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.260136][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.260136][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.260136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.260136][ T74] [ 2594.262359][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.262359][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.262359][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.262359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.262359][ T74] ip6_route_add+0x1c/0x140 [ 2594.262359][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.262359][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.262359][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.262359][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.262359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.262359][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.262359][ T74] netlink_unicast+0x449/0x710 [ 2594.262359][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.262359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.262359][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.262359][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.262359][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.262359][ T74] [ 2594.264566][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.264566][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.264566][ T74] ipv6_find_idev+0x102/0x170 [ 2594.264566][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.264566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.264566][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.264566][ T74] netlink_unicast+0x449/0x710 [ 2594.264566][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.264566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.264566][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.264566][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.264566][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.264566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.264566][ T74] [ 2594.266275][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2594.266275][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.266275][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.266275][ T74] ipv6_find_idev+0x102/0x170 [ 2594.266275][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.266275][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.266275][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.266275][ T74] netlink_unicast+0x449/0x710 [ 2594.266275][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.266275][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.266275][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.266275][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.266275][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.266275][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.266275][ T74] [ 2594.268122][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2594.268355][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.268355][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.268355][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.268355][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.268355][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2594.268355][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2594.268355][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2594.268355][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2594.268355][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2594.268355][ T74] addrconf_dad_begin+0x310/0x670 [ 2594.268355][ T74] addrconf_dad_work+0x10b/0xab0 [ 2594.268355][ T74] process_one_work+0x84d/0x18a0 [ 2594.268355][ T74] worker_thread+0x587/0xd30 [ 2594.268355][ T74] kthread+0x28a/0x350 [ 2594.268355][ T74] ret_from_fork+0x31/0x70 [ 2594.268355][ T74] ret_from_fork_asm+0x1a/0x30 [ 2594.268355][ T74] [ 2594.270444][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.270444][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.270444][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.270444][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.270444][ T74] ip6_route_add+0x1c/0x140 [ 2594.270444][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2594.270444][ T74] inet6_addr_add+0x4f8/0xa40 [ 2594.270444][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.270444][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.270444][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.270444][ T74] netlink_unicast+0x449/0x710 [ 2594.270444][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.270444][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.270444][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.270444][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.270444][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.270444][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.270444][ T74] [ 2594.272679][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.272679][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.272679][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.272679][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.272679][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2594.272679][ T74] ipv6_add_addr+0x411/0x2000 [ 2594.272679][ T74] inet6_addr_add+0x30e/0xa40 [ 2594.272679][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.272679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.272679][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.272679][ T74] netlink_unicast+0x449/0x710 [ 2594.272679][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.272679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.272679][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.272679][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.272679][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.272679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.272679][ T74] [ 2594.274917][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.274917][ T74] netdev_get_by_index+0x5e/0x80 [ 2594.274917][ T74] fib6_nh_init+0x3d8/0x1580 [ 2594.274917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2594.274917][ T74] ip6_route_add+0x1c/0x140 [ 2594.274917][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2594.274917][ T74] addrconf_add_dev+0xe2/0x170 [ 2594.274917][ T74] inet6_addr_add+0x12f/0xa40 [ 2594.274917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2594.274917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.274917][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.274917][ T74] netlink_unicast+0x449/0x710 [ 2594.274917][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.274917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.274917][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.274917][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.274917][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.274917][ T74] [ 2594.277042][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.277042][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2594.277042][ T74] ipv6_find_idev+0x102/0x170 [ 2594.277042][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.277042][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.277042][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.277042][ T74] netlink_unicast+0x449/0x710 [ 2594.277042][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.277042][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.277042][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.277042][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.277042][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.277042][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.277042][ T74] [ 2594.278752][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2594.278752][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2594.278752][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2594.278752][ T74] ipv6_find_idev+0x102/0x170 [ 2594.278752][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2594.278752][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2594.278752][ T74] netlink_rcv_skb+0x130/0x360 [ 2594.278752][ T74] netlink_unicast+0x449/0x710 [ 2594.278752][ T74] netlink_sendmsg+0x723/0xbe0 [ 2594.278752][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2594.278752][ T74] ___sys_sendmsg+0xee/0x170 [ 2594.278752][ T74] __sys_sendmsg+0xcd/0x170 [ 2594.278752][ T74] do_syscall_64+0xc6/0x1e0 [ 2594.278752][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2594.278752][ T74] [ 2595.224925][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2595.225379][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2595.225379][T16070] dst_init+0x84/0x4a0 [ 2595.225379][T16070] dst_alloc+0x97/0x150 [ 2595.225379][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.225379][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.225379][T16070] ip6_pol_route+0x56f/0x840 [ 2595.225379][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2595.225379][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2595.225379][T16070] fib6_rule_lookup+0x182/0x630 [ 2595.225379][T16070] ip6_route_output_flags+0x259/0x480 [ 2595.225379][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2595.225379][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2595.225379][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2595.225379][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2595.225379][T16070] ip6_datagram_connect+0x2c/0x50 [ 2595.225379][T16070] __sys_connect+0x217/0x2a0 [ 2595.225379][T16070] __x64_sys_connect+0x72/0xb0 [ 2595.225379][T16070] [ 2595.227716][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2595.227716][T16070] dst_init+0x84/0x4a0 [ 2595.227716][T16070] dst_alloc+0x97/0x150 [ 2595.227716][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.227716][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.227716][T16070] ip6_pol_route+0x56f/0x840 [ 2595.227716][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2595.227716][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2595.227716][T16070] fib6_rule_lookup+0x182/0x630 [ 2595.227716][T16070] ip6_route_output_flags+0x259/0x480 [ 2595.227716][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2595.227716][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2595.227716][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2595.227716][T16070] __inet_stream_connect+0x272/0x9f0 [ 2595.227716][T16070] inet_stream_connect+0x57/0xa0 [ 2595.227716][T16070] __sys_connect+0x217/0x2a0 [ 2595.227716][T16070] __x64_sys_connect+0x72/0xb0 [ 2595.227716][T16070] [ 2595.229987][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.229987][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2595.229987][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2595.229987][T16070] fib6_nh_init+0xa22/0x1580 [ 2595.229987][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.229987][T16070] ip6_route_add+0x1c/0x140 [ 2595.229987][T16070] inet6_rtm_newroute+0x104/0x110 [ 2595.229987][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.229987][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.229987][T16070] netlink_unicast+0x449/0x710 [ 2595.229987][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.229987][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.229987][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.229987][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.229987][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.229987][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.229987][T16070] [ 2595.232124][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.232124][T16070] dst_init+0x84/0x4a0 [ 2595.232124][T16070] dst_alloc+0x97/0x150 [ 2595.232124][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.232124][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.232124][T16070] ip6_pol_route+0x56f/0x840 [ 2595.232124][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2595.232124][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2595.232124][T16070] fib6_rule_lookup+0x182/0x630 [ 2595.232124][T16070] ip6_route_input+0x59c/0xa50 [ 2595.232124][T16070] ipv6_rcv+0x397/0x810 [ 2595.232124][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2595.232124][T16070] process_backlog+0x101/0x620 [ 2595.232124][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2595.232124][T16070] net_rx_action+0x495/0xbe0 [ 2595.232124][T16070] __do_softirq+0x1b5/0x7f6 [ 2595.232124][T16070] [ 2595.234219][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.234219][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.234219][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.234219][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.234219][T16070] ip6_route_add+0x1c/0x140 [ 2595.234219][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2595.234219][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2595.234219][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2595.234219][T16070] addrconf_dad_begin+0x310/0x670 [ 2595.234219][T16070] addrconf_dad_work+0x10b/0xab0 [ 2595.234219][T16070] process_one_work+0x84d/0x18a0 [ 2595.234219][T16070] worker_thread+0x587/0xd30 [ 2595.234219][T16070] kthread+0x28a/0x350 [ 2595.234219][T16070] ret_from_fork+0x31/0x70 [ 2595.234219][T16070] ret_from_fork_asm+0x1a/0x30 [ 2595.234219][T16070] [ 2595.236253][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.236253][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.236253][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.236253][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.236253][T16070] ip6_route_add+0x1c/0x140 [ 2595.236253][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2595.236253][T16070] inet6_addr_add+0x4f8/0xa40 [ 2595.236253][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.236253][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.236253][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.236253][T16070] netlink_unicast+0x449/0x710 [ 2595.236253][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.236253][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.236253][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.236253][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.236253][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.236253][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.236253][T16070] [ 2595.238528][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.238528][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.238528][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.238528][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.238528][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2595.238528][T16070] ipv6_add_addr+0x411/0x2000 [ 2595.238528][T16070] inet6_addr_add+0x30e/0xa40 [ 2595.238528][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.238528][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.238528][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.238528][T16070] netlink_unicast+0x449/0x710 [ 2595.238528][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.238528][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.238528][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.238528][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.238528][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.238528][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.238528][T16070] [ 2595.240800][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.240800][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.240800][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.240800][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.240800][T16070] ip6_route_add+0x1c/0x140 [ 2595.240800][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2595.240800][T16070] addrconf_add_dev+0xe2/0x170 [ 2595.240800][T16070] inet6_addr_add+0x12f/0xa40 [ 2595.240800][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.240800][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.240800][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.240800][T16070] netlink_unicast+0x449/0x710 [ 2595.240800][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.240800][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.240800][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.240800][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.240800][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.240800][T16070] [ 2595.243023][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.243023][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2595.243023][T16070] ipv6_find_idev+0x102/0x170 [ 2595.243023][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.243023][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.243023][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.243023][T16070] netlink_unicast+0x449/0x710 [ 2595.243023][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.243023][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.243023][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.243023][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.243023][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.243023][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.243023][T16070] [ 2595.244761][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2595.244761][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2595.244761][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2595.244761][T16070] ipv6_find_idev+0x102/0x170 [ 2595.244761][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.244761][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.244761][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.244761][T16070] netlink_unicast+0x449/0x710 [ 2595.244761][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.244761][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.244761][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.244761][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.244761][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.244761][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.244761][T16070] [ 2595.246683][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2595.247008][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2595.247008][T16070] dst_init+0x84/0x4a0 [ 2595.247008][T16070] dst_alloc+0x97/0x150 [ 2595.247008][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.247008][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.247008][T16070] ip6_pol_route+0x56f/0x840 [ 2595.247008][T16070] fib6_rule_lookup+0x334/0x630 [ 2595.247008][T16070] ip6_route_output_flags+0x259/0x480 [ 2595.247008][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2595.247008][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2595.247008][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2595.247008][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2595.247008][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2595.247008][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.247008][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.247008][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.247008][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.247008][T16070] [ 2595.249300][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.249300][T16070] dst_init+0x84/0x4a0 [ 2595.249300][T16070] dst_alloc+0x97/0x150 [ 2595.249300][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.249300][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.249300][T16070] ip6_pol_route+0x56f/0x840 [ 2595.249300][T16070] fib6_rule_lookup+0x334/0x630 [ 2595.249300][T16070] ip6_route_output_flags+0x259/0x480 [ 2595.249300][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2595.249300][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2595.249300][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2595.249300][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2595.249300][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2595.249300][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2595.249300][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2595.249300][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2595.249300][T16070] ip6_input_finish+0x120/0x260 [ 2595.249300][T16070] [ 2595.251612][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.251612][T16070] dst_init+0x84/0x4a0 [ 2595.251612][T16070] dst_alloc+0x97/0x150 [ 2595.251612][T16070] ip6_dst_alloc+0x23/0x90 [ 2595.251612][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2595.251612][T16070] ip6_pol_route+0x56f/0x840 [ 2595.251612][T16070] fib6_rule_lookup+0x456/0x630 [ 2595.251612][T16070] ip6_route_input+0x59c/0xa50 [ 2595.251612][T16070] ipv6_rcv+0x397/0x810 [ 2595.251612][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2595.251612][T16070] process_backlog+0x101/0x620 [ 2595.251612][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2595.251612][T16070] net_rx_action+0x495/0xbe0 [ 2595.251612][T16070] __do_softirq+0x1b5/0x7f6 [ 2595.251612][T16070] [ 2595.253460][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.253460][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.253460][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.253460][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.253460][T16070] ip6_route_add+0x1c/0x140 [ 2595.253460][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2595.253460][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2595.253460][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2595.253460][T16070] addrconf_dad_begin+0x310/0x670 [ 2595.253460][T16070] addrconf_dad_work+0x10b/0xab0 [ 2595.253460][T16070] process_one_work+0x84d/0x18a0 [ 2595.253460][T16070] worker_thread+0x587/0xd30 [ 2595.253460][T16070] kthread+0x28a/0x350 [ 2595.253460][T16070] ret_from_fork+0x31/0x70 [ 2595.253460][T16070] ret_from_fork_asm+0x1a/0x30 [ 2595.253460][T16070] [ 2595.255730][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.255730][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.255730][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.255730][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.255730][T16070] ip6_route_add+0x1c/0x140 [ 2595.255730][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2595.255730][T16070] inet6_addr_add+0x4f8/0xa40 [ 2595.255730][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.255730][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.255730][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.255730][T16070] netlink_unicast+0x449/0x710 [ 2595.255730][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.255730][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.255730][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.255730][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.255730][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.255730][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.255730][T16070] [ 2595.258404][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.258404][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.258404][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.258404][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.258404][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2595.258404][T16070] ipv6_add_addr+0x411/0x2000 [ 2595.258404][T16070] inet6_addr_add+0x30e/0xa40 [ 2595.258404][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.258404][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.258404][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.258404][T16070] netlink_unicast+0x449/0x710 [ 2595.258404][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.258404][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.258404][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.258404][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.258404][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.258404][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.258404][T16070] [ 2595.261013][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.261013][T16070] netdev_get_by_index+0x5e/0x80 [ 2595.261013][T16070] fib6_nh_init+0x3d8/0x1580 [ 2595.261013][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2595.261013][T16070] ip6_route_add+0x1c/0x140 [ 2595.261013][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2595.261013][T16070] addrconf_add_dev+0xe2/0x170 [ 2595.261013][T16070] inet6_addr_add+0x12f/0xa40 [ 2595.261013][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2595.261013][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.261013][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.261013][T16070] netlink_unicast+0x449/0x710 [ 2595.261013][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.261013][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.261013][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.261013][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.261013][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.261013][T16070] [ 2595.263553][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.263553][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2595.263553][T16070] ipv6_find_idev+0x102/0x170 [ 2595.263553][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.263553][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.263553][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.263553][T16070] netlink_unicast+0x449/0x710 [ 2595.263553][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.263553][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.263553][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.263553][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.263553][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.263553][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.263553][T16070] [ 2595.265542][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2595.265542][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2595.265542][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2595.265542][T16070] ipv6_find_idev+0x102/0x170 [ 2595.265542][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2595.265542][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2595.265542][T16070] netlink_rcv_skb+0x130/0x360 [ 2595.265542][T16070] netlink_unicast+0x449/0x710 [ 2595.265542][T16070] netlink_sendmsg+0x723/0xbe0 [ 2595.265542][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2595.265542][T16070] ___sys_sendmsg+0xee/0x170 [ 2595.265542][T16070] __sys_sendmsg+0xcd/0x170 [ 2595.265542][T16070] do_syscall_64+0xc6/0x1e0 [ 2595.265542][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2595.265542][T16070] [ 2604.520943][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2604.521380][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.521380][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.521380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.521380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.521380][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.521380][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.521380][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.521380][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.521380][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.521380][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.521380][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.521380][ T74] process_one_work+0x84d/0x18a0 [ 2604.521380][ T74] worker_thread+0x587/0xd30 [ 2604.521380][ T74] kthread+0x28a/0x350 [ 2604.521380][ T74] ret_from_fork+0x31/0x70 [ 2604.521380][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.521380][ T74] [ 2604.523304][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.523304][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.523304][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.523304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.523304][ T74] ip6_route_add+0x1c/0x140 [ 2604.523304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.523304][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.523304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.523304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.523304][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.523304][ T74] netlink_unicast+0x449/0x710 [ 2604.523304][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.523304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.523304][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.523304][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.523304][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.523304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.523304][ T74] [ 2604.525313][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.525313][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.525313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.525313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.525313][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.525313][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.525313][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.525313][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.525313][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.525313][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.525313][ T74] netlink_unicast+0x449/0x710 [ 2604.525313][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.525313][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.525313][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.525313][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.525313][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.525313][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.525313][ T74] [ 2604.527306][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.527306][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.527306][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.527306][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.527306][ T74] ip6_route_add+0x1c/0x140 [ 2604.527306][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.527306][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.527306][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.527306][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.527306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.527306][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.527306][ T74] netlink_unicast+0x449/0x710 [ 2604.527306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.527306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.527306][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.527306][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.527306][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.527306][ T74] [ 2604.529272][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.529272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.529272][ T74] ipv6_find_idev+0x102/0x170 [ 2604.529272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.529272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.529272][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.529272][ T74] netlink_unicast+0x449/0x710 [ 2604.529272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.529272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.529272][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.529272][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.529272][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.529272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.529272][ T74] [ 2604.530819][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2604.530819][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.530819][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.530819][ T74] ipv6_find_idev+0x102/0x170 [ 2604.530819][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.530819][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.530819][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.530819][ T74] netlink_unicast+0x449/0x710 [ 2604.530819][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.530819][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.530819][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.530819][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.530819][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.530819][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.530819][ T74] [ 2604.532507][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2604.532744][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.532744][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.532744][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.532744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.532744][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.532744][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.532744][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.532744][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.532744][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.532744][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.532744][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.532744][ T74] process_one_work+0x84d/0x18a0 [ 2604.532744][ T74] worker_thread+0x587/0xd30 [ 2604.532744][ T74] kthread+0x28a/0x350 [ 2604.532744][ T74] ret_from_fork+0x31/0x70 [ 2604.532744][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.532744][ T74] [ 2604.535172][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.535172][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.535172][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.535172][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.535172][ T74] ip6_route_add+0x1c/0x140 [ 2604.535172][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.535172][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.535172][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.535172][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.535172][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.535172][ T74] netlink_unicast+0x449/0x710 [ 2604.535172][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.535172][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.535172][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.535172][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.535172][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.535172][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.535172][ T74] [ 2604.537170][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.537170][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.537170][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.537170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.537170][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.537170][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.537170][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.537170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.537170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.537170][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.537170][ T74] netlink_unicast+0x449/0x710 [ 2604.537170][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.537170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.537170][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.537170][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.537170][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.537170][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.537170][ T74] [ 2604.539155][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.539155][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.539155][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.539155][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.539155][ T74] ip6_route_add+0x1c/0x140 [ 2604.539155][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.539155][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.539155][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.539155][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.539155][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.539155][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.539155][ T74] netlink_unicast+0x449/0x710 [ 2604.539155][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.539155][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.539155][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.539155][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.539155][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.539155][ T74] [ 2604.541110][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.541110][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.541110][ T74] ipv6_find_idev+0x102/0x170 [ 2604.541110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.541110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.541110][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.541110][ T74] netlink_unicast+0x449/0x710 [ 2604.541110][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.541110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.541110][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.541110][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.541110][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.541110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.541110][ T74] [ 2604.542648][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2604.542648][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.542648][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.542648][ T74] ipv6_find_idev+0x102/0x170 [ 2604.542648][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.542648][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.542648][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.542648][ T74] netlink_unicast+0x449/0x710 [ 2604.542648][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.542648][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.542648][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.542648][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.542648][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.542648][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.542648][ T74] [ 2604.544311][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2604.544557][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.544557][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.544557][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.544557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.544557][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.544557][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.544557][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.544557][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.544557][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.544557][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.544557][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.544557][ T74] process_one_work+0x84d/0x18a0 [ 2604.544557][ T74] worker_thread+0x587/0xd30 [ 2604.544557][ T74] kthread+0x28a/0x350 [ 2604.544557][ T74] ret_from_fork+0x31/0x70 [ 2604.544557][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.544557][ T74] [ 2604.546454][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.546454][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.546454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.546454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.546454][ T74] ip6_route_add+0x1c/0x140 [ 2604.546454][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.546454][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.546454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.546454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.546454][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.546454][ T74] netlink_unicast+0x449/0x710 [ 2604.546454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.546454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.546454][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.546454][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.546454][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.546454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.546454][ T74] [ 2604.548998][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.548998][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.548998][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.548998][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.548998][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.548998][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.548998][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.548998][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.548998][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.548998][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.548998][ T74] netlink_unicast+0x449/0x710 [ 2604.548998][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.548998][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.548998][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.548998][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.548998][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.548998][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.548998][ T74] [ 2604.551250][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.551250][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.551250][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.551250][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.551250][ T74] ip6_route_add+0x1c/0x140 [ 2604.551250][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.551250][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.551250][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.551250][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.551250][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.551250][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.551250][ T74] netlink_unicast+0x449/0x710 [ 2604.551250][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.551250][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.551250][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.551250][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.551250][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.551250][ T74] [ 2604.553512][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.553512][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.553512][ T74] ipv6_find_idev+0x102/0x170 [ 2604.553512][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.553512][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.553512][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.553512][ T74] netlink_unicast+0x449/0x710 [ 2604.553512][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.553512][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.553512][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.553512][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.553512][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.553512][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.553512][ T74] [ 2604.555229][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2604.555229][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.555229][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.555229][ T74] ipv6_find_idev+0x102/0x170 [ 2604.555229][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.555229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.555229][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.555229][ T74] netlink_unicast+0x449/0x710 [ 2604.555229][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.555229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.555229][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.555229][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.555229][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.555229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.555229][ T74] [ 2604.557096][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2604.557330][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.557330][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.557330][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.557330][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.557330][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2604.557330][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2604.557330][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2604.557330][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2604.557330][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2604.557330][ T74] addrconf_dad_begin+0x310/0x670 [ 2604.557330][ T74] addrconf_dad_work+0x10b/0xab0 [ 2604.557330][ T74] process_one_work+0x84d/0x18a0 [ 2604.557330][ T74] worker_thread+0x587/0xd30 [ 2604.557330][ T74] kthread+0x28a/0x350 [ 2604.557330][ T74] ret_from_fork+0x31/0x70 [ 2604.557330][ T74] ret_from_fork_asm+0x1a/0x30 [ 2604.557330][ T74] [ 2604.559477][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.559477][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.559477][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.559477][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.559477][ T74] ip6_route_add+0x1c/0x140 [ 2604.559477][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2604.559477][ T74] inet6_addr_add+0x4f8/0xa40 [ 2604.559477][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.559477][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.559477][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.559477][ T74] netlink_unicast+0x449/0x710 [ 2604.559477][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.559477][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.559477][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.559477][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.559477][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.559477][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.559477][ T74] [ 2604.561717][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.561717][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.561717][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.561717][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.561717][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2604.561717][ T74] ipv6_add_addr+0x411/0x2000 [ 2604.561717][ T74] inet6_addr_add+0x30e/0xa40 [ 2604.561717][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.561717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.561717][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.561717][ T74] netlink_unicast+0x449/0x710 [ 2604.561717][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.561717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.561717][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.561717][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.561717][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.561717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.561717][ T74] [ 2604.564023][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.564023][ T74] netdev_get_by_index+0x5e/0x80 [ 2604.564023][ T74] fib6_nh_init+0x3d8/0x1580 [ 2604.564023][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2604.564023][ T74] ip6_route_add+0x1c/0x140 [ 2604.564023][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2604.564023][ T74] addrconf_add_dev+0xe2/0x170 [ 2604.564023][ T74] inet6_addr_add+0x12f/0xa40 [ 2604.564023][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2604.564023][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.564023][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.564023][ T74] netlink_unicast+0x449/0x710 [ 2604.564023][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.564023][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.564023][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.564023][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.564023][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.564023][ T74] [ 2604.566154][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.566154][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2604.566154][ T74] ipv6_find_idev+0x102/0x170 [ 2604.566154][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.566154][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.566154][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.566154][ T74] netlink_unicast+0x449/0x710 [ 2604.566154][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.566154][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.566154][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.566154][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.566154][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.566154][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.566154][ T74] [ 2604.567882][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2604.567882][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2604.567882][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2604.567882][ T74] ipv6_find_idev+0x102/0x170 [ 2604.567882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2604.567882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2604.567882][ T74] netlink_rcv_skb+0x130/0x360 [ 2604.567882][ T74] netlink_unicast+0x449/0x710 [ 2604.567882][ T74] netlink_sendmsg+0x723/0xbe0 [ 2604.567882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2604.567882][ T74] ___sys_sendmsg+0xee/0x170 [ 2604.567882][ T74] __sys_sendmsg+0xcd/0x170 [ 2604.567882][ T74] do_syscall_64+0xc6/0x1e0 [ 2604.567882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2604.567882][ T74] [ 2605.504932][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2605.505445][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2605.505445][T16070] dst_init+0x84/0x4a0 [ 2605.505445][T16070] dst_alloc+0x97/0x150 [ 2605.505445][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.505445][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.505445][T16070] ip6_pol_route+0x56f/0x840 [ 2605.505445][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2605.505445][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2605.505445][T16070] fib6_rule_lookup+0x182/0x630 [ 2605.505445][T16070] ip6_route_output_flags+0x259/0x480 [ 2605.505445][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2605.505445][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2605.505445][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2605.505445][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2605.505445][T16070] ip6_datagram_connect+0x2c/0x50 [ 2605.505445][T16070] __sys_connect+0x217/0x2a0 [ 2605.505445][T16070] __x64_sys_connect+0x72/0xb0 [ 2605.505445][T16070] [ 2605.507999][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2605.507999][T16070] dst_init+0x84/0x4a0 [ 2605.507999][T16070] dst_alloc+0x97/0x150 [ 2605.507999][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.507999][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.507999][T16070] ip6_pol_route+0x56f/0x840 [ 2605.507999][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2605.507999][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2605.507999][T16070] fib6_rule_lookup+0x182/0x630 [ 2605.507999][T16070] ip6_route_output_flags+0x259/0x480 [ 2605.507999][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2605.507999][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2605.507999][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2605.507999][T16070] __inet_stream_connect+0x272/0x9f0 [ 2605.507999][T16070] inet_stream_connect+0x57/0xa0 [ 2605.507999][T16070] __sys_connect+0x217/0x2a0 [ 2605.507999][T16070] __x64_sys_connect+0x72/0xb0 [ 2605.507999][T16070] [ 2605.510502][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.510502][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2605.510502][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2605.510502][T16070] fib6_nh_init+0xa22/0x1580 [ 2605.510502][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.510502][T16070] ip6_route_add+0x1c/0x140 [ 2605.510502][T16070] inet6_rtm_newroute+0x104/0x110 [ 2605.510502][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.510502][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.510502][T16070] netlink_unicast+0x449/0x710 [ 2605.510502][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.510502][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.510502][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.510502][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.510502][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.510502][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.510502][T16070] [ 2605.512837][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.512837][T16070] dst_init+0x84/0x4a0 [ 2605.512837][T16070] dst_alloc+0x97/0x150 [ 2605.512837][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.512837][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.512837][T16070] ip6_pol_route+0x56f/0x840 [ 2605.512837][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2605.512837][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2605.512837][T16070] fib6_rule_lookup+0x182/0x630 [ 2605.512837][T16070] ip6_route_input+0x59c/0xa50 [ 2605.512837][T16070] ipv6_rcv+0x397/0x810 [ 2605.512837][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2605.512837][T16070] process_backlog+0x101/0x620 [ 2605.512837][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2605.512837][T16070] net_rx_action+0x495/0xbe0 [ 2605.512837][T16070] __do_softirq+0x1b5/0x7f6 [ 2605.512837][T16070] [ 2605.515135][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.515135][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.515135][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.515135][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.515135][T16070] ip6_route_add+0x1c/0x140 [ 2605.515135][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2605.515135][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2605.515135][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2605.515135][T16070] addrconf_dad_begin+0x310/0x670 [ 2605.515135][T16070] addrconf_dad_work+0x10b/0xab0 [ 2605.515135][T16070] process_one_work+0x84d/0x18a0 [ 2605.515135][T16070] worker_thread+0x587/0xd30 [ 2605.515135][T16070] kthread+0x28a/0x350 [ 2605.515135][T16070] ret_from_fork+0x31/0x70 [ 2605.515135][T16070] ret_from_fork_asm+0x1a/0x30 [ 2605.515135][T16070] [ 2605.517359][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.517359][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.517359][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.517359][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.517359][T16070] ip6_route_add+0x1c/0x140 [ 2605.517359][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2605.517359][T16070] inet6_addr_add+0x4f8/0xa40 [ 2605.517359][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.517359][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.517359][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.517359][T16070] netlink_unicast+0x449/0x710 [ 2605.517359][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.517359][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.517359][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.517359][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.517359][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.517359][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.517359][T16070] [ 2605.519854][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.519854][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.519854][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.519854][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.519854][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2605.519854][T16070] ipv6_add_addr+0x411/0x2000 [ 2605.519854][T16070] inet6_addr_add+0x30e/0xa40 [ 2605.519854][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.519854][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.519854][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.519854][T16070] netlink_unicast+0x449/0x710 [ 2605.519854][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.519854][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.519854][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.519854][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.519854][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.519854][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.519854][T16070] [ 2605.522327][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.522327][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.522327][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.522327][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.522327][T16070] ip6_route_add+0x1c/0x140 [ 2605.522327][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.522327][T16070] addrconf_add_dev+0xe2/0x170 [ 2605.522327][T16070] inet6_addr_add+0x12f/0xa40 [ 2605.522327][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.522327][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.522327][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.522327][T16070] netlink_unicast+0x449/0x710 [ 2605.522327][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.522327][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.522327][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.522327][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.522327][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.522327][T16070] [ 2605.524762][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.524762][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2605.524762][T16070] ipv6_find_idev+0x102/0x170 [ 2605.524762][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.524762][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.524762][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.524762][T16070] netlink_unicast+0x449/0x710 [ 2605.524762][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.524762][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.524762][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.524762][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.524762][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.524762][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.524762][T16070] [ 2605.526669][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2605.526669][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2605.526669][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2605.526669][T16070] ipv6_find_idev+0x102/0x170 [ 2605.526669][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.526669][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.526669][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.526669][T16070] netlink_unicast+0x449/0x710 [ 2605.526669][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.526669][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.526669][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.526669][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.526669][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.526669][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.526669][T16070] [ 2605.528779][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2605.529128][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2605.529128][T16070] dst_init+0x84/0x4a0 [ 2605.529128][T16070] dst_alloc+0x97/0x150 [ 2605.529128][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.529128][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.529128][T16070] ip6_pol_route+0x56f/0x840 [ 2605.529128][T16070] fib6_rule_lookup+0x334/0x630 [ 2605.529128][T16070] ip6_route_output_flags+0x259/0x480 [ 2605.529128][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2605.529128][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2605.529128][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2605.529128][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2605.529128][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2605.529128][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.529128][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.529128][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.529128][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.529128][T16070] [ 2605.531631][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.531631][T16070] dst_init+0x84/0x4a0 [ 2605.531631][T16070] dst_alloc+0x97/0x150 [ 2605.531631][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.531631][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.531631][T16070] ip6_pol_route+0x56f/0x840 [ 2605.531631][T16070] fib6_rule_lookup+0x334/0x630 [ 2605.531631][T16070] ip6_route_output_flags+0x259/0x480 [ 2605.531631][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2605.531631][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2605.531631][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2605.531631][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2605.531631][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2605.531631][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2605.531631][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2605.531631][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2605.531631][T16070] ip6_input_finish+0x120/0x260 [ 2605.531631][T16070] [ 2605.534157][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.534157][T16070] dst_init+0x84/0x4a0 [ 2605.534157][T16070] dst_alloc+0x97/0x150 [ 2605.534157][T16070] ip6_dst_alloc+0x23/0x90 [ 2605.534157][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2605.534157][T16070] ip6_pol_route+0x56f/0x840 [ 2605.534157][T16070] fib6_rule_lookup+0x456/0x630 [ 2605.534157][T16070] ip6_route_input+0x59c/0xa50 [ 2605.534157][T16070] ipv6_rcv+0x397/0x810 [ 2605.534157][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2605.534157][T16070] process_backlog+0x101/0x620 [ 2605.534157][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2605.534157][T16070] net_rx_action+0x495/0xbe0 [ 2605.534157][T16070] __do_softirq+0x1b5/0x7f6 [ 2605.534157][T16070] [ 2605.536188][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.536188][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.536188][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.536188][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.536188][T16070] ip6_route_add+0x1c/0x140 [ 2605.536188][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2605.536188][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2605.536188][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2605.536188][T16070] addrconf_dad_begin+0x310/0x670 [ 2605.536188][T16070] addrconf_dad_work+0x10b/0xab0 [ 2605.536188][T16070] process_one_work+0x84d/0x18a0 [ 2605.536188][T16070] worker_thread+0x587/0xd30 [ 2605.536188][T16070] kthread+0x28a/0x350 [ 2605.536188][T16070] ret_from_fork+0x31/0x70 [ 2605.536188][T16070] ret_from_fork_asm+0x1a/0x30 [ 2605.536188][T16070] [ 2605.538631][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.538631][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.538631][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.538631][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.538631][T16070] ip6_route_add+0x1c/0x140 [ 2605.538631][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2605.538631][T16070] inet6_addr_add+0x4f8/0xa40 [ 2605.538631][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.538631][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.538631][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.538631][T16070] netlink_unicast+0x449/0x710 [ 2605.538631][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.538631][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.538631][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.538631][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.538631][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.538631][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.538631][T16070] [ 2605.542047][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.542047][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.542047][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.542047][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.542047][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2605.542047][T16070] ipv6_add_addr+0x411/0x2000 [ 2605.542047][T16070] inet6_addr_add+0x30e/0xa40 [ 2605.542047][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.542047][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.542047][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.542047][T16070] netlink_unicast+0x449/0x710 [ 2605.542047][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.542047][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.542047][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.542047][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.542047][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.542047][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.542047][T16070] [ 2605.544850][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.544850][T16070] netdev_get_by_index+0x5e/0x80 [ 2605.544850][T16070] fib6_nh_init+0x3d8/0x1580 [ 2605.544850][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2605.544850][T16070] ip6_route_add+0x1c/0x140 [ 2605.544850][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2605.544850][T16070] addrconf_add_dev+0xe2/0x170 [ 2605.544850][T16070] inet6_addr_add+0x12f/0xa40 [ 2605.544850][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2605.544850][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.544850][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.544850][T16070] netlink_unicast+0x449/0x710 [ 2605.544850][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.544850][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.544850][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.544850][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.544850][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.544850][T16070] [ 2605.547620][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.547620][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2605.547620][T16070] ipv6_find_idev+0x102/0x170 [ 2605.547620][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.547620][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.547620][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.547620][T16070] netlink_unicast+0x449/0x710 [ 2605.547620][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.547620][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.547620][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.547620][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.547620][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.547620][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.547620][T16070] [ 2605.549700][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2605.549700][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2605.549700][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2605.549700][T16070] ipv6_find_idev+0x102/0x170 [ 2605.549700][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2605.549700][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2605.549700][T16070] netlink_rcv_skb+0x130/0x360 [ 2605.549700][T16070] netlink_unicast+0x449/0x710 [ 2605.549700][T16070] netlink_sendmsg+0x723/0xbe0 [ 2605.549700][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2605.549700][T16070] ___sys_sendmsg+0xee/0x170 [ 2605.549700][T16070] __sys_sendmsg+0xcd/0x170 [ 2605.549700][T16070] do_syscall_64+0xc6/0x1e0 [ 2605.549700][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2605.549700][T16070] [ 2614.808938][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2614.809347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.809347][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.809347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.809347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.809347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2614.809347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2614.809347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2614.809347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2614.809347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2614.809347][ T74] addrconf_dad_begin+0x310/0x670 [ 2614.809347][ T74] addrconf_dad_work+0x10b/0xab0 [ 2614.809347][ T74] process_one_work+0x84d/0x18a0 [ 2614.809347][ T74] worker_thread+0x587/0xd30 [ 2614.809347][ T74] kthread+0x28a/0x350 [ 2614.809347][ T74] ret_from_fork+0x31/0x70 [ 2614.809347][ T74] ret_from_fork_asm+0x1a/0x30 [ 2614.809347][ T74] [ 2614.811299][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.811299][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.811299][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.811299][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.811299][ T74] ip6_route_add+0x1c/0x140 [ 2614.811299][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2614.811299][ T74] inet6_addr_add+0x4f8/0xa40 [ 2614.811299][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.811299][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.811299][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.811299][ T74] netlink_unicast+0x449/0x710 [ 2614.811299][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.811299][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.811299][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.811299][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.811299][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.811299][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.811299][ T74] [ 2614.813311][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.813311][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.813311][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.813311][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.813311][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2614.813311][ T74] ipv6_add_addr+0x411/0x2000 [ 2614.813311][ T74] inet6_addr_add+0x30e/0xa40 [ 2614.813311][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.813311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.813311][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.813311][ T74] netlink_unicast+0x449/0x710 [ 2614.813311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.813311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.813311][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.813311][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.813311][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.813311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.813311][ T74] [ 2614.815687][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.815687][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.815687][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.815687][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.815687][ T74] ip6_route_add+0x1c/0x140 [ 2614.815687][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2614.815687][ T74] addrconf_add_dev+0xe2/0x170 [ 2614.815687][ T74] inet6_addr_add+0x12f/0xa40 [ 2614.815687][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.815687][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.815687][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.815687][ T74] netlink_unicast+0x449/0x710 [ 2614.815687][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.815687][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.815687][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.815687][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.815687][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.815687][ T74] [ 2614.817651][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.817651][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2614.817651][ T74] ipv6_find_idev+0x102/0x170 [ 2614.817651][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.817651][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.817651][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.817651][ T74] netlink_unicast+0x449/0x710 [ 2614.817651][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.817651][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.817651][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.817651][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.817651][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.817651][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.817651][ T74] [ 2614.819181][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2614.819181][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2614.819181][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2614.819181][ T74] ipv6_find_idev+0x102/0x170 [ 2614.819181][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.819181][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.819181][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.819181][ T74] netlink_unicast+0x449/0x710 [ 2614.819181][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.819181][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.819181][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.819181][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.819181][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.819181][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.819181][ T74] [ 2614.820868][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2614.821104][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.821104][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.821104][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.821104][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.821104][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2614.821104][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2614.821104][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2614.821104][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2614.821104][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2614.821104][ T74] addrconf_dad_begin+0x310/0x670 [ 2614.821104][ T74] addrconf_dad_work+0x10b/0xab0 [ 2614.821104][ T74] process_one_work+0x84d/0x18a0 [ 2614.821104][ T74] worker_thread+0x587/0xd30 [ 2614.821104][ T74] kthread+0x28a/0x350 [ 2614.821104][ T74] ret_from_fork+0x31/0x70 [ 2614.821104][ T74] ret_from_fork_asm+0x1a/0x30 [ 2614.821104][ T74] [ 2614.823007][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.823007][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.823007][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.823007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.823007][ T74] ip6_route_add+0x1c/0x140 [ 2614.823007][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2614.823007][ T74] inet6_addr_add+0x4f8/0xa40 [ 2614.823007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.823007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.823007][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.823007][ T74] netlink_unicast+0x449/0x710 [ 2614.823007][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.823007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.823007][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.823007][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.823007][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.823007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.823007][ T74] [ 2614.825009][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.825009][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.825009][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.825009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.825009][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2614.825009][ T74] ipv6_add_addr+0x411/0x2000 [ 2614.825009][ T74] inet6_addr_add+0x30e/0xa40 [ 2614.825009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.825009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.825009][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.825009][ T74] netlink_unicast+0x449/0x710 [ 2614.825009][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.825009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.825009][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.825009][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.825009][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.825009][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.825009][ T74] [ 2614.826996][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.826996][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.826996][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.826996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.826996][ T74] ip6_route_add+0x1c/0x140 [ 2614.826996][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2614.826996][ T74] addrconf_add_dev+0xe2/0x170 [ 2614.826996][ T74] inet6_addr_add+0x12f/0xa40 [ 2614.826996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.826996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.826996][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.826996][ T74] netlink_unicast+0x449/0x710 [ 2614.826996][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.826996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.826996][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.826996][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.826996][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.826996][ T74] [ 2614.828964][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.828964][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2614.828964][ T74] ipv6_find_idev+0x102/0x170 [ 2614.828964][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.828964][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.828964][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.828964][ T74] netlink_unicast+0x449/0x710 [ 2614.828964][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.828964][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.828964][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.828964][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.828964][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.828964][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.828964][ T74] [ 2614.830507][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2614.830507][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2614.830507][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2614.830507][ T74] ipv6_find_idev+0x102/0x170 [ 2614.830507][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.830507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.830507][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.830507][ T74] netlink_unicast+0x449/0x710 [ 2614.830507][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.830507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.830507][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.830507][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.830507][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.830507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.830507][ T74] [ 2614.832185][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2614.832422][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.832422][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.832422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.832422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.832422][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2614.832422][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2614.832422][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2614.832422][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2614.832422][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2614.832422][ T74] addrconf_dad_begin+0x310/0x670 [ 2614.832422][ T74] addrconf_dad_work+0x10b/0xab0 [ 2614.832422][ T74] process_one_work+0x84d/0x18a0 [ 2614.832422][ T74] worker_thread+0x587/0xd30 [ 2614.832422][ T74] kthread+0x28a/0x350 [ 2614.832422][ T74] ret_from_fork+0x31/0x70 [ 2614.832422][ T74] ret_from_fork_asm+0x1a/0x30 [ 2614.832422][ T74] [ 2614.834315][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.834315][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.834315][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.834315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.834315][ T74] ip6_route_add+0x1c/0x140 [ 2614.834315][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2614.834315][ T74] inet6_addr_add+0x4f8/0xa40 [ 2614.834315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.834315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.834315][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.834315][ T74] netlink_unicast+0x449/0x710 [ 2614.834315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.834315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.834315][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.834315][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.834315][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.834315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.834315][ T74] [ 2614.836494][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.836494][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.836494][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.836494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.836494][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2614.836494][ T74] ipv6_add_addr+0x411/0x2000 [ 2614.836494][ T74] inet6_addr_add+0x30e/0xa40 [ 2614.836494][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.836494][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.836494][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.836494][ T74] netlink_unicast+0x449/0x710 [ 2614.836494][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.836494][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.836494][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.836494][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.836494][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.836494][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.836494][ T74] [ 2614.838785][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.838785][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.838785][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.838785][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.838785][ T74] ip6_route_add+0x1c/0x140 [ 2614.838785][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2614.838785][ T74] addrconf_add_dev+0xe2/0x170 [ 2614.838785][ T74] inet6_addr_add+0x12f/0xa40 [ 2614.838785][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.838785][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.838785][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.838785][ T74] netlink_unicast+0x449/0x710 [ 2614.838785][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.838785][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.838785][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.838785][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.838785][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.838785][ T74] [ 2614.841007][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.841007][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2614.841007][ T74] ipv6_find_idev+0x102/0x170 [ 2614.841007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.841007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.841007][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.841007][ T74] netlink_unicast+0x449/0x710 [ 2614.841007][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.841007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.841007][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.841007][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.841007][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.841007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.841007][ T74] [ 2614.842669][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2614.842669][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2614.842669][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2614.842669][ T74] ipv6_find_idev+0x102/0x170 [ 2614.842669][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.842669][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.842669][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.842669][ T74] netlink_unicast+0x449/0x710 [ 2614.842669][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.842669][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.842669][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.842669][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.842669][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.842669][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.842669][ T74] [ 2614.844525][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2614.844762][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.844762][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.844762][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.844762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.844762][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2614.844762][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2614.844762][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2614.844762][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2614.844762][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2614.844762][ T74] addrconf_dad_begin+0x310/0x670 [ 2614.844762][ T74] addrconf_dad_work+0x10b/0xab0 [ 2614.844762][ T74] process_one_work+0x84d/0x18a0 [ 2614.844762][ T74] worker_thread+0x587/0xd30 [ 2614.844762][ T74] kthread+0x28a/0x350 [ 2614.844762][ T74] ret_from_fork+0x31/0x70 [ 2614.844762][ T74] ret_from_fork_asm+0x1a/0x30 [ 2614.844762][ T74] [ 2614.846968][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.846968][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.846968][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.846968][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.846968][ T74] ip6_route_add+0x1c/0x140 [ 2614.846968][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2614.846968][ T74] inet6_addr_add+0x4f8/0xa40 [ 2614.846968][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.846968][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.846968][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.846968][ T74] netlink_unicast+0x449/0x710 [ 2614.846968][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.846968][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.846968][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.846968][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.846968][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.846968][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.846968][ T74] [ 2614.849203][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.849203][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.849203][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.849203][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.849203][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2614.849203][ T74] ipv6_add_addr+0x411/0x2000 [ 2614.849203][ T74] inet6_addr_add+0x30e/0xa40 [ 2614.849203][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.849203][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.849203][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.849203][ T74] netlink_unicast+0x449/0x710 [ 2614.849203][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.849203][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.849203][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.849203][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.849203][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.849203][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.849203][ T74] [ 2614.851446][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.851446][ T74] netdev_get_by_index+0x5e/0x80 [ 2614.851446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2614.851446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2614.851446][ T74] ip6_route_add+0x1c/0x140 [ 2614.851446][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2614.851446][ T74] addrconf_add_dev+0xe2/0x170 [ 2614.851446][ T74] inet6_addr_add+0x12f/0xa40 [ 2614.851446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2614.851446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.851446][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.851446][ T74] netlink_unicast+0x449/0x710 [ 2614.851446][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.851446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.851446][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.851446][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.851446][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.851446][ T74] [ 2614.853583][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.853583][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2614.853583][ T74] ipv6_find_idev+0x102/0x170 [ 2614.853583][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.853583][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.853583][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.853583][ T74] netlink_unicast+0x449/0x710 [ 2614.853583][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.853583][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.853583][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.853583][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.853583][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.853583][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.853583][ T74] [ 2614.855340][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2614.855340][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2614.855340][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2614.855340][ T74] ipv6_find_idev+0x102/0x170 [ 2614.855340][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2614.855340][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2614.855340][ T74] netlink_rcv_skb+0x130/0x360 [ 2614.855340][ T74] netlink_unicast+0x449/0x710 [ 2614.855340][ T74] netlink_sendmsg+0x723/0xbe0 [ 2614.855340][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2614.855340][ T74] ___sys_sendmsg+0xee/0x170 [ 2614.855340][ T74] __sys_sendmsg+0xcd/0x170 [ 2614.855340][ T74] do_syscall_64+0xc6/0x1e0 [ 2614.855340][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2614.855340][ T74] [ 2615.576874][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2615.577378][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2615.577378][T16070] dst_init+0x84/0x4a0 [ 2615.577378][T16070] dst_alloc+0x97/0x150 [ 2615.577378][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.577378][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.577378][T16070] ip6_pol_route+0x56f/0x840 [ 2615.577378][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2615.577378][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2615.577378][T16070] fib6_rule_lookup+0x182/0x630 [ 2615.577378][T16070] ip6_route_output_flags+0x259/0x480 [ 2615.577378][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2615.577378][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2615.577378][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2615.577378][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2615.577378][T16070] ip6_datagram_connect+0x2c/0x50 [ 2615.577378][T16070] __sys_connect+0x217/0x2a0 [ 2615.577378][T16070] __x64_sys_connect+0x72/0xb0 [ 2615.577378][T16070] [ 2615.579963][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2615.579963][T16070] dst_init+0x84/0x4a0 [ 2615.579963][T16070] dst_alloc+0x97/0x150 [ 2615.579963][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.579963][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.579963][T16070] ip6_pol_route+0x56f/0x840 [ 2615.579963][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2615.579963][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2615.579963][T16070] fib6_rule_lookup+0x182/0x630 [ 2615.579963][T16070] ip6_route_output_flags+0x259/0x480 [ 2615.579963][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2615.579963][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2615.579963][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2615.579963][T16070] __inet_stream_connect+0x272/0x9f0 [ 2615.579963][T16070] inet_stream_connect+0x57/0xa0 [ 2615.579963][T16070] __sys_connect+0x217/0x2a0 [ 2615.579963][T16070] __x64_sys_connect+0x72/0xb0 [ 2615.579963][T16070] [ 2615.582506][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.582506][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2615.582506][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2615.582506][T16070] fib6_nh_init+0xa22/0x1580 [ 2615.582506][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.582506][T16070] ip6_route_add+0x1c/0x140 [ 2615.582506][T16070] inet6_rtm_newroute+0x104/0x110 [ 2615.582506][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.582506][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.582506][T16070] netlink_unicast+0x449/0x710 [ 2615.582506][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.582506][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.582506][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.582506][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.582506][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.582506][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.582506][T16070] [ 2615.584872][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.584872][T16070] dst_init+0x84/0x4a0 [ 2615.584872][T16070] dst_alloc+0x97/0x150 [ 2615.584872][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.584872][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.584872][T16070] ip6_pol_route+0x56f/0x840 [ 2615.584872][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2615.584872][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2615.584872][T16070] fib6_rule_lookup+0x182/0x630 [ 2615.584872][T16070] ip6_route_input+0x59c/0xa50 [ 2615.584872][T16070] ipv6_rcv+0x397/0x810 [ 2615.584872][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.584872][T16070] process_backlog+0x101/0x620 [ 2615.584872][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2615.584872][T16070] net_rx_action+0x495/0xbe0 [ 2615.584872][T16070] __do_softirq+0x1b5/0x7f6 [ 2615.584872][T16070] [ 2615.587198][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.587198][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.587198][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.587198][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.587198][T16070] ip6_route_add+0x1c/0x140 [ 2615.587198][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2615.587198][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2615.587198][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2615.587198][T16070] addrconf_dad_begin+0x310/0x670 [ 2615.587198][T16070] addrconf_dad_work+0x10b/0xab0 [ 2615.587198][T16070] process_one_work+0x84d/0x18a0 [ 2615.587198][T16070] worker_thread+0x587/0xd30 [ 2615.587198][T16070] kthread+0x28a/0x350 [ 2615.587198][T16070] ret_from_fork+0x31/0x70 [ 2615.587198][T16070] ret_from_fork_asm+0x1a/0x30 [ 2615.587198][T16070] [ 2615.589439][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.589439][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.589439][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.589439][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.589439][T16070] ip6_route_add+0x1c/0x140 [ 2615.589439][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2615.589439][T16070] inet6_addr_add+0x4f8/0xa40 [ 2615.589439][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.589439][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.589439][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.589439][T16070] netlink_unicast+0x449/0x710 [ 2615.589439][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.589439][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.589439][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.589439][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.589439][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.589439][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.589439][T16070] [ 2615.591929][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.591929][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.591929][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.591929][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.591929][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2615.591929][T16070] ipv6_add_addr+0x411/0x2000 [ 2615.591929][T16070] inet6_addr_add+0x30e/0xa40 [ 2615.591929][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.591929][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.591929][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.591929][T16070] netlink_unicast+0x449/0x710 [ 2615.591929][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.591929][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.591929][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.591929][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.591929][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.591929][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.591929][T16070] [ 2615.594441][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.594441][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.594441][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.594441][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.594441][T16070] ip6_route_add+0x1c/0x140 [ 2615.594441][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.594441][T16070] addrconf_add_dev+0xe2/0x170 [ 2615.594441][T16070] inet6_addr_add+0x12f/0xa40 [ 2615.594441][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.594441][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.594441][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.594441][T16070] netlink_unicast+0x449/0x710 [ 2615.594441][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.594441][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.594441][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.594441][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.594441][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.594441][T16070] [ 2615.596903][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.596903][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2615.596903][T16070] ipv6_find_idev+0x102/0x170 [ 2615.596903][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.596903][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.596903][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.596903][T16070] netlink_unicast+0x449/0x710 [ 2615.596903][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.596903][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.596903][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.596903][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.596903][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.596903][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.596903][T16070] [ 2615.598840][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2615.598840][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2615.598840][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2615.598840][T16070] ipv6_find_idev+0x102/0x170 [ 2615.598840][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.598840][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.598840][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.598840][T16070] netlink_unicast+0x449/0x710 [ 2615.598840][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.598840][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.598840][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.598840][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.598840][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.598840][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.598840][T16070] [ 2615.600971][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2615.601304][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2615.601304][T16070] dst_init+0x84/0x4a0 [ 2615.601304][T16070] dst_alloc+0x97/0x150 [ 2615.601304][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.601304][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.601304][T16070] ip6_pol_route+0x56f/0x840 [ 2615.601304][T16070] fib6_rule_lookup+0x334/0x630 [ 2615.601304][T16070] ip6_route_output_flags+0x259/0x480 [ 2615.601304][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2615.601304][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2615.601304][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2615.601304][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2615.601304][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2615.601304][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.601304][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.601304][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.601304][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.601304][T16070] [ 2615.603822][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.603822][T16070] dst_init+0x84/0x4a0 [ 2615.603822][T16070] dst_alloc+0x97/0x150 [ 2615.603822][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.603822][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.603822][T16070] ip6_pol_route+0x56f/0x840 [ 2615.603822][T16070] fib6_rule_lookup+0x334/0x630 [ 2615.603822][T16070] ip6_route_output_flags+0x259/0x480 [ 2615.603822][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2615.603822][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2615.603822][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2615.603822][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2615.603822][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2615.603822][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2615.603822][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2615.603822][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2615.603822][T16070] ip6_input_finish+0x120/0x260 [ 2615.603822][T16070] [ 2615.606375][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.606375][T16070] dst_init+0x84/0x4a0 [ 2615.606375][T16070] dst_alloc+0x97/0x150 [ 2615.606375][T16070] ip6_dst_alloc+0x23/0x90 [ 2615.606375][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2615.606375][T16070] ip6_pol_route+0x56f/0x840 [ 2615.606375][T16070] fib6_rule_lookup+0x456/0x630 [ 2615.606375][T16070] ip6_route_input+0x59c/0xa50 [ 2615.606375][T16070] ipv6_rcv+0x397/0x810 [ 2615.606375][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2615.606375][T16070] process_backlog+0x101/0x620 [ 2615.606375][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2615.606375][T16070] net_rx_action+0x495/0xbe0 [ 2615.606375][T16070] __do_softirq+0x1b5/0x7f6 [ 2615.606375][T16070] [ 2615.608430][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.608430][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.608430][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.608430][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.608430][T16070] ip6_route_add+0x1c/0x140 [ 2615.608430][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2615.608430][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2615.608430][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2615.608430][T16070] addrconf_dad_begin+0x310/0x670 [ 2615.608430][T16070] addrconf_dad_work+0x10b/0xab0 [ 2615.608430][T16070] process_one_work+0x84d/0x18a0 [ 2615.608430][T16070] worker_thread+0x587/0xd30 [ 2615.608430][T16070] kthread+0x28a/0x350 [ 2615.608430][T16070] ret_from_fork+0x31/0x70 [ 2615.608430][T16070] ret_from_fork_asm+0x1a/0x30 [ 2615.608430][T16070] [ 2615.610918][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.610918][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.610918][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.610918][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.610918][T16070] ip6_route_add+0x1c/0x140 [ 2615.610918][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2615.610918][T16070] inet6_addr_add+0x4f8/0xa40 [ 2615.610918][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.610918][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.610918][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.610918][T16070] netlink_unicast+0x449/0x710 [ 2615.610918][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.610918][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.610918][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.610918][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.610918][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.610918][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.610918][T16070] [ 2615.613744][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.613744][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.613744][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.613744][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.613744][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2615.613744][T16070] ipv6_add_addr+0x411/0x2000 [ 2615.613744][T16070] inet6_addr_add+0x30e/0xa40 [ 2615.613744][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.613744][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.613744][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.613744][T16070] netlink_unicast+0x449/0x710 [ 2615.613744][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.613744][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.613744][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.613744][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.613744][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.613744][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.613744][T16070] [ 2615.616547][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.616547][T16070] netdev_get_by_index+0x5e/0x80 [ 2615.616547][T16070] fib6_nh_init+0x3d8/0x1580 [ 2615.616547][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2615.616547][T16070] ip6_route_add+0x1c/0x140 [ 2615.616547][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2615.616547][T16070] addrconf_add_dev+0xe2/0x170 [ 2615.616547][T16070] inet6_addr_add+0x12f/0xa40 [ 2615.616547][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2615.616547][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.616547][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.616547][T16070] netlink_unicast+0x449/0x710 [ 2615.616547][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.616547][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.616547][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.616547][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.616547][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.616547][T16070] [ 2615.619297][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.619297][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2615.619297][T16070] ipv6_find_idev+0x102/0x170 [ 2615.619297][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.619297][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.619297][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.619297][T16070] netlink_unicast+0x449/0x710 [ 2615.619297][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.619297][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.619297][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.619297][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.619297][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.619297][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.619297][T16070] [ 2615.621576][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2615.621576][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2615.621576][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2615.621576][T16070] ipv6_find_idev+0x102/0x170 [ 2615.621576][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2615.621576][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2615.621576][T16070] netlink_rcv_skb+0x130/0x360 [ 2615.621576][T16070] netlink_unicast+0x449/0x710 [ 2615.621576][T16070] netlink_sendmsg+0x723/0xbe0 [ 2615.621576][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2615.621576][T16070] ___sys_sendmsg+0xee/0x170 [ 2615.621576][T16070] __sys_sendmsg+0xcd/0x170 [ 2615.621576][T16070] do_syscall_64+0xc6/0x1e0 [ 2615.621576][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2615.621576][T16070] [ 2625.040859][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2625.041360][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.041360][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.041360][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.041360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.041360][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.041360][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.041360][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.041360][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.041360][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.041360][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.041360][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.041360][ T74] process_one_work+0x84d/0x18a0 [ 2625.041360][ T74] worker_thread+0x587/0xd30 [ 2625.041360][ T74] kthread+0x28a/0x350 [ 2625.041360][ T74] ret_from_fork+0x31/0x70 [ 2625.041360][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.041360][ T74] [ 2625.043524][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.043524][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.043524][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.043524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.043524][ T74] ip6_route_add+0x1c/0x140 [ 2625.043524][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.043524][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.043524][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.043524][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.043524][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.043524][ T74] netlink_unicast+0x449/0x710 [ 2625.043524][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.043524][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.043524][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.043524][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.043524][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.043524][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.043524][ T74] [ 2625.045768][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.045768][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.045768][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.045768][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.045768][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.045768][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.045768][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.045768][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.045768][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.045768][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.045768][ T74] netlink_unicast+0x449/0x710 [ 2625.045768][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.045768][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.045768][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.045768][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.045768][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.045768][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.045768][ T74] [ 2625.048001][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.048001][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.048001][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.048001][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.048001][ T74] ip6_route_add+0x1c/0x140 [ 2625.048001][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.048001][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.048001][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.048001][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.048001][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.048001][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.048001][ T74] netlink_unicast+0x449/0x710 [ 2625.048001][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.048001][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.048001][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.048001][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.048001][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.048001][ T74] [ 2625.050198][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.050198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.050198][ T74] ipv6_find_idev+0x102/0x170 [ 2625.050198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.050198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.050198][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.050198][ T74] netlink_unicast+0x449/0x710 [ 2625.050198][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.050198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.050198][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.050198][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.050198][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.050198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.050198][ T74] [ 2625.051927][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2625.051927][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.051927][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.051927][ T74] ipv6_find_idev+0x102/0x170 [ 2625.051927][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.051927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.051927][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.051927][ T74] netlink_unicast+0x449/0x710 [ 2625.051927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.051927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.051927][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.051927][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.051927][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.051927][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.051927][ T74] [ 2625.053835][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2625.054096][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.054096][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.054096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.054096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.054096][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.054096][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.054096][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.054096][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.054096][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.054096][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.054096][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.054096][ T74] process_one_work+0x84d/0x18a0 [ 2625.054096][ T74] worker_thread+0x587/0xd30 [ 2625.054096][ T74] kthread+0x28a/0x350 [ 2625.054096][ T74] ret_from_fork+0x31/0x70 [ 2625.054096][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.054096][ T74] [ 2625.056251][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.056251][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.056251][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.056251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.056251][ T74] ip6_route_add+0x1c/0x140 [ 2625.056251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.056251][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.056251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.056251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.056251][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.056251][ T74] netlink_unicast+0x449/0x710 [ 2625.056251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.056251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.056251][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.056251][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.056251][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.056251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.056251][ T74] [ 2625.058480][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.058480][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.058480][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.058480][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.058480][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.058480][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.058480][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.058480][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.058480][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.058480][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.058480][ T74] netlink_unicast+0x449/0x710 [ 2625.058480][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.058480][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.058480][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.058480][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.058480][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.058480][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.058480][ T74] [ 2625.060718][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.060718][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.060718][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.060718][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.060718][ T74] ip6_route_add+0x1c/0x140 [ 2625.060718][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.060718][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.060718][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.060718][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.060718][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.060718][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.060718][ T74] netlink_unicast+0x449/0x710 [ 2625.060718][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.060718][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.060718][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.060718][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.060718][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.060718][ T74] [ 2625.062910][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.062910][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.062910][ T74] ipv6_find_idev+0x102/0x170 [ 2625.062910][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.062910][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.062910][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.062910][ T74] netlink_unicast+0x449/0x710 [ 2625.062910][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.062910][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.062910][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.062910][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.062910][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.062910][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.062910][ T74] [ 2625.064637][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2625.064637][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.064637][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.064637][ T74] ipv6_find_idev+0x102/0x170 [ 2625.064637][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.064637][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.064637][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.064637][ T74] netlink_unicast+0x449/0x710 [ 2625.064637][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.064637][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.064637][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.064637][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.064637][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.064637][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.064637][ T74] [ 2625.066551][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2625.066816][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.066816][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.066816][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.066816][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.066816][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.066816][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.066816][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.066816][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.066816][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.066816][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.066816][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.066816][ T74] process_one_work+0x84d/0x18a0 [ 2625.066816][ T74] worker_thread+0x587/0xd30 [ 2625.066816][ T74] kthread+0x28a/0x350 [ 2625.066816][ T74] ret_from_fork+0x31/0x70 [ 2625.066816][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.066816][ T74] [ 2625.068960][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.068960][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.068960][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.068960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.068960][ T74] ip6_route_add+0x1c/0x140 [ 2625.068960][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.068960][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.068960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.068960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.068960][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.068960][ T74] netlink_unicast+0x449/0x710 [ 2625.068960][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.068960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.068960][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.068960][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.068960][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.068960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.068960][ T74] [ 2625.071390][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.071390][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.071390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.071390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.071390][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.071390][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.071390][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.071390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.071390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.071390][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.071390][ T74] netlink_unicast+0x449/0x710 [ 2625.071390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.071390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.071390][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.071390][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.071390][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.071390][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.071390][ T74] [ 2625.073929][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.073929][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.073929][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.073929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.073929][ T74] ip6_route_add+0x1c/0x140 [ 2625.073929][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.073929][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.073929][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.073929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.073929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.073929][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.073929][ T74] netlink_unicast+0x449/0x710 [ 2625.073929][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.073929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.073929][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.073929][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.073929][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.073929][ T74] [ 2625.076364][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.076364][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.076364][ T74] ipv6_find_idev+0x102/0x170 [ 2625.076364][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.076364][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.076364][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.076364][ T74] netlink_unicast+0x449/0x710 [ 2625.076364][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.076364][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.076364][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.076364][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.076364][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.076364][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.076364][ T74] [ 2625.078271][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2625.078271][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.078271][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.078271][ T74] ipv6_find_idev+0x102/0x170 [ 2625.078271][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.078271][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.078271][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.078271][ T74] netlink_unicast+0x449/0x710 [ 2625.078271][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.078271][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.078271][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.078271][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.078271][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.078271][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.078271][ T74] [ 2625.080351][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2625.080607][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.080607][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.080607][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.080607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.080607][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2625.080607][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2625.080607][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2625.080607][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2625.080607][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2625.080607][ T74] addrconf_dad_begin+0x310/0x670 [ 2625.080607][ T74] addrconf_dad_work+0x10b/0xab0 [ 2625.080607][ T74] process_one_work+0x84d/0x18a0 [ 2625.080607][ T74] worker_thread+0x587/0xd30 [ 2625.080607][ T74] kthread+0x28a/0x350 [ 2625.080607][ T74] ret_from_fork+0x31/0x70 [ 2625.080607][ T74] ret_from_fork_asm+0x1a/0x30 [ 2625.080607][ T74] [ 2625.083046][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.083046][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.083046][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.083046][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.083046][ T74] ip6_route_add+0x1c/0x140 [ 2625.083046][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2625.083046][ T74] inet6_addr_add+0x4f8/0xa40 [ 2625.083046][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.083046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.083046][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.083046][ T74] netlink_unicast+0x449/0x710 [ 2625.083046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.083046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.083046][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.083046][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.083046][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.083046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.083046][ T74] [ 2625.085532][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.085532][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.085532][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.085532][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.085532][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2625.085532][ T74] ipv6_add_addr+0x411/0x2000 [ 2625.085532][ T74] inet6_addr_add+0x30e/0xa40 [ 2625.085532][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.085532][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.085532][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.085532][ T74] netlink_unicast+0x449/0x710 [ 2625.085532][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.085532][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.085532][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.085532][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.085532][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.085532][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.085532][ T74] [ 2625.088006][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.088006][ T74] netdev_get_by_index+0x5e/0x80 [ 2625.088006][ T74] fib6_nh_init+0x3d8/0x1580 [ 2625.088006][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2625.088006][ T74] ip6_route_add+0x1c/0x140 [ 2625.088006][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.088006][ T74] addrconf_add_dev+0xe2/0x170 [ 2625.088006][ T74] inet6_addr_add+0x12f/0xa40 [ 2625.088006][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.088006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.088006][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.088006][ T74] netlink_unicast+0x449/0x710 [ 2625.088006][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.088006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.088006][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.088006][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.088006][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.088006][ T74] [ 2625.090394][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.090394][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2625.090394][ T74] ipv6_find_idev+0x102/0x170 [ 2625.090394][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.090394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.090394][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.090394][ T74] netlink_unicast+0x449/0x710 [ 2625.090394][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.090394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.090394][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.090394][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.090394][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.090394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.090394][ T74] [ 2625.092297][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2625.092297][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2625.092297][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2625.092297][ T74] ipv6_find_idev+0x102/0x170 [ 2625.092297][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.092297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.092297][ T74] netlink_rcv_skb+0x130/0x360 [ 2625.092297][ T74] netlink_unicast+0x449/0x710 [ 2625.092297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2625.092297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2625.092297][ T74] ___sys_sendmsg+0xee/0x170 [ 2625.092297][ T74] __sys_sendmsg+0xcd/0x170 [ 2625.092297][ T74] do_syscall_64+0xc6/0x1e0 [ 2625.092297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.092297][ T74] [ 2625.808844][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2625.809339][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2625.809339][T16070] dst_init+0x84/0x4a0 [ 2625.809339][T16070] dst_alloc+0x97/0x150 [ 2625.809339][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.809339][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.809339][T16070] ip6_pol_route+0x56f/0x840 [ 2625.809339][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2625.809339][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2625.809339][T16070] fib6_rule_lookup+0x182/0x630 [ 2625.809339][T16070] ip6_route_output_flags+0x259/0x480 [ 2625.809339][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2625.809339][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2625.809339][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2625.809339][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2625.809339][T16070] ip6_datagram_connect+0x2c/0x50 [ 2625.809339][T16070] __sys_connect+0x217/0x2a0 [ 2625.809339][T16070] __x64_sys_connect+0x72/0xb0 [ 2625.809339][T16070] [ 2625.811686][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2625.811686][T16070] dst_init+0x84/0x4a0 [ 2625.811686][T16070] dst_alloc+0x97/0x150 [ 2625.811686][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.811686][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.811686][T16070] ip6_pol_route+0x56f/0x840 [ 2625.811686][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2625.811686][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2625.811686][T16070] fib6_rule_lookup+0x182/0x630 [ 2625.811686][T16070] ip6_route_output_flags+0x259/0x480 [ 2625.811686][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2625.811686][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2625.811686][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2625.811686][T16070] __inet_stream_connect+0x272/0x9f0 [ 2625.811686][T16070] inet_stream_connect+0x57/0xa0 [ 2625.811686][T16070] __sys_connect+0x217/0x2a0 [ 2625.811686][T16070] __x64_sys_connect+0x72/0xb0 [ 2625.811686][T16070] [ 2625.814000][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.814000][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2625.814000][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2625.814000][T16070] fib6_nh_init+0xa22/0x1580 [ 2625.814000][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.814000][T16070] ip6_route_add+0x1c/0x140 [ 2625.814000][T16070] inet6_rtm_newroute+0x104/0x110 [ 2625.814000][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.814000][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.814000][T16070] netlink_unicast+0x449/0x710 [ 2625.814000][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.814000][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.814000][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.814000][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.814000][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.814000][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.814000][T16070] [ 2625.816154][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.816154][T16070] dst_init+0x84/0x4a0 [ 2625.816154][T16070] dst_alloc+0x97/0x150 [ 2625.816154][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.816154][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.816154][T16070] ip6_pol_route+0x56f/0x840 [ 2625.816154][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2625.816154][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2625.816154][T16070] fib6_rule_lookup+0x182/0x630 [ 2625.816154][T16070] ip6_route_input+0x59c/0xa50 [ 2625.816154][T16070] ipv6_rcv+0x397/0x810 [ 2625.816154][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.816154][T16070] process_backlog+0x101/0x620 [ 2625.816154][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2625.816154][T16070] net_rx_action+0x495/0xbe0 [ 2625.816154][T16070] __do_softirq+0x1b5/0x7f6 [ 2625.816154][T16070] [ 2625.818284][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.818284][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.818284][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.818284][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.818284][T16070] ip6_route_add+0x1c/0x140 [ 2625.818284][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2625.818284][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2625.818284][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2625.818284][T16070] addrconf_dad_begin+0x310/0x670 [ 2625.818284][T16070] addrconf_dad_work+0x10b/0xab0 [ 2625.818284][T16070] process_one_work+0x84d/0x18a0 [ 2625.818284][T16070] worker_thread+0x587/0xd30 [ 2625.818284][T16070] kthread+0x28a/0x350 [ 2625.818284][T16070] ret_from_fork+0x31/0x70 [ 2625.818284][T16070] ret_from_fork_asm+0x1a/0x30 [ 2625.818284][T16070] [ 2625.820346][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.820346][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.820346][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.820346][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.820346][T16070] ip6_route_add+0x1c/0x140 [ 2625.820346][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2625.820346][T16070] inet6_addr_add+0x4f8/0xa40 [ 2625.820346][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.820346][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.820346][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.820346][T16070] netlink_unicast+0x449/0x710 [ 2625.820346][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.820346][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.820346][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.820346][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.820346][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.820346][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.820346][T16070] [ 2625.822663][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.822663][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.822663][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.822663][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.822663][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2625.822663][T16070] ipv6_add_addr+0x411/0x2000 [ 2625.822663][T16070] inet6_addr_add+0x30e/0xa40 [ 2625.822663][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.822663][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.822663][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.822663][T16070] netlink_unicast+0x449/0x710 [ 2625.822663][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.822663][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.822663][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.822663][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.822663][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.822663][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.822663][T16070] [ 2625.824962][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.824962][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.824962][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.824962][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.824962][T16070] ip6_route_add+0x1c/0x140 [ 2625.824962][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.824962][T16070] addrconf_add_dev+0xe2/0x170 [ 2625.824962][T16070] inet6_addr_add+0x12f/0xa40 [ 2625.824962][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.824962][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.824962][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.824962][T16070] netlink_unicast+0x449/0x710 [ 2625.824962][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.824962][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.824962][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.824962][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.824962][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.824962][T16070] [ 2625.827226][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.827226][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2625.827226][T16070] ipv6_find_idev+0x102/0x170 [ 2625.827226][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.827226][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.827226][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.827226][T16070] netlink_unicast+0x449/0x710 [ 2625.827226][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.827226][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.827226][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.827226][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.827226][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.827226][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.827226][T16070] [ 2625.829032][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2625.829032][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2625.829032][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2625.829032][T16070] ipv6_find_idev+0x102/0x170 [ 2625.829032][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.829032][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.829032][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.829032][T16070] netlink_unicast+0x449/0x710 [ 2625.829032][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.829032][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.829032][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.829032][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.829032][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.829032][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.829032][T16070] [ 2625.831003][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2625.831313][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2625.831313][T16070] dst_init+0x84/0x4a0 [ 2625.831313][T16070] dst_alloc+0x97/0x150 [ 2625.831313][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.831313][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.831313][T16070] ip6_pol_route+0x56f/0x840 [ 2625.831313][T16070] fib6_rule_lookup+0x334/0x630 [ 2625.831313][T16070] ip6_route_output_flags+0x259/0x480 [ 2625.831313][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2625.831313][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2625.831313][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2625.831313][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2625.831313][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2625.831313][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.831313][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.831313][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.831313][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.831313][T16070] [ 2625.833609][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.833609][T16070] dst_init+0x84/0x4a0 [ 2625.833609][T16070] dst_alloc+0x97/0x150 [ 2625.833609][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.833609][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.833609][T16070] ip6_pol_route+0x56f/0x840 [ 2625.833609][T16070] fib6_rule_lookup+0x334/0x630 [ 2625.833609][T16070] ip6_route_output_flags+0x259/0x480 [ 2625.833609][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2625.833609][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2625.833609][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2625.833609][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2625.833609][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2625.833609][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2625.833609][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2625.833609][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2625.833609][T16070] ip6_input_finish+0x120/0x260 [ 2625.833609][T16070] [ 2625.835936][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.835936][T16070] dst_init+0x84/0x4a0 [ 2625.835936][T16070] dst_alloc+0x97/0x150 [ 2625.835936][T16070] ip6_dst_alloc+0x23/0x90 [ 2625.835936][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2625.835936][T16070] ip6_pol_route+0x56f/0x840 [ 2625.835936][T16070] fib6_rule_lookup+0x456/0x630 [ 2625.835936][T16070] ip6_route_input+0x59c/0xa50 [ 2625.835936][T16070] ipv6_rcv+0x397/0x810 [ 2625.835936][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2625.835936][T16070] process_backlog+0x101/0x620 [ 2625.835936][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2625.835936][T16070] net_rx_action+0x495/0xbe0 [ 2625.835936][T16070] __do_softirq+0x1b5/0x7f6 [ 2625.835936][T16070] [ 2625.837795][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.837795][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.837795][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.837795][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.837795][T16070] ip6_route_add+0x1c/0x140 [ 2625.837795][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2625.837795][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2625.837795][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2625.837795][T16070] addrconf_dad_begin+0x310/0x670 [ 2625.837795][T16070] addrconf_dad_work+0x10b/0xab0 [ 2625.837795][T16070] process_one_work+0x84d/0x18a0 [ 2625.837795][T16070] worker_thread+0x587/0xd30 [ 2625.837795][T16070] kthread+0x28a/0x350 [ 2625.837795][T16070] ret_from_fork+0x31/0x70 [ 2625.837795][T16070] ret_from_fork_asm+0x1a/0x30 [ 2625.837795][T16070] [ 2625.840110][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.840110][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.840110][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.840110][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.840110][T16070] ip6_route_add+0x1c/0x140 [ 2625.840110][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2625.840110][T16070] inet6_addr_add+0x4f8/0xa40 [ 2625.840110][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.840110][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.840110][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.840110][T16070] netlink_unicast+0x449/0x710 [ 2625.840110][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.840110][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.840110][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.840110][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.840110][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.840110][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.840110][T16070] [ 2625.842647][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.842647][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.842647][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.842647][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.842647][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2625.842647][T16070] ipv6_add_addr+0x411/0x2000 [ 2625.842647][T16070] inet6_addr_add+0x30e/0xa40 [ 2625.842647][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.842647][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.842647][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.842647][T16070] netlink_unicast+0x449/0x710 [ 2625.842647][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.842647][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.842647][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.842647][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.842647][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.842647][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.842647][T16070] [ 2625.845272][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.845272][T16070] netdev_get_by_index+0x5e/0x80 [ 2625.845272][T16070] fib6_nh_init+0x3d8/0x1580 [ 2625.845272][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2625.845272][T16070] ip6_route_add+0x1c/0x140 [ 2625.845272][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2625.845272][T16070] addrconf_add_dev+0xe2/0x170 [ 2625.845272][T16070] inet6_addr_add+0x12f/0xa40 [ 2625.845272][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2625.845272][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.845272][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.845272][T16070] netlink_unicast+0x449/0x710 [ 2625.845272][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.845272][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.845272][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.845272][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.845272][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.845272][T16070] [ 2625.847825][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.847825][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2625.847825][T16070] ipv6_find_idev+0x102/0x170 [ 2625.847825][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.847825][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.847825][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.847825][T16070] netlink_unicast+0x449/0x710 [ 2625.847825][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.847825][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.847825][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.847825][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.847825][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.847825][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.847825][T16070] [ 2625.849917][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2625.849917][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2625.849917][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2625.849917][T16070] ipv6_find_idev+0x102/0x170 [ 2625.849917][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2625.849917][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2625.849917][T16070] netlink_rcv_skb+0x130/0x360 [ 2625.849917][T16070] netlink_unicast+0x449/0x710 [ 2625.849917][T16070] netlink_sendmsg+0x723/0xbe0 [ 2625.849917][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2625.849917][T16070] ___sys_sendmsg+0xee/0x170 [ 2625.849917][T16070] __sys_sendmsg+0xcd/0x170 [ 2625.849917][T16070] do_syscall_64+0xc6/0x1e0 [ 2625.849917][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2625.849917][T16070] [ 2635.336925][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2635.337372][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.337372][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.337372][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.337372][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.337372][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.337372][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.337372][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.337372][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.337372][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.337372][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.337372][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.337372][ T74] process_one_work+0x84d/0x18a0 [ 2635.337372][ T74] worker_thread+0x587/0xd30 [ 2635.337372][ T74] kthread+0x28a/0x350 [ 2635.337372][ T74] ret_from_fork+0x31/0x70 [ 2635.337372][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.337372][ T74] [ 2635.339561][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.339561][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.339561][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.339561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.339561][ T74] ip6_route_add+0x1c/0x140 [ 2635.339561][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.339561][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.339561][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.339561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.339561][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.339561][ T74] netlink_unicast+0x449/0x710 [ 2635.339561][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.339561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.339561][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.339561][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.339561][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.339561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.339561][ T74] [ 2635.341810][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.341810][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.341810][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.341810][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.341810][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.341810][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.341810][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.341810][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.341810][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.341810][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.341810][ T74] netlink_unicast+0x449/0x710 [ 2635.341810][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.341810][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.341810][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.341810][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.341810][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.341810][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.341810][ T74] [ 2635.344067][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.344067][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.344067][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.344067][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.344067][ T74] ip6_route_add+0x1c/0x140 [ 2635.344067][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.344067][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.344067][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.344067][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.344067][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.344067][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.344067][ T74] netlink_unicast+0x449/0x710 [ 2635.344067][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.344067][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.344067][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.344067][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.344067][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.344067][ T74] [ 2635.346288][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.346288][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.346288][ T74] ipv6_find_idev+0x102/0x170 [ 2635.346288][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.346288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.346288][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.346288][ T74] netlink_unicast+0x449/0x710 [ 2635.346288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.346288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.346288][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.346288][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.346288][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.346288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.346288][ T74] [ 2635.348021][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2635.348021][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.348021][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.348021][ T74] ipv6_find_idev+0x102/0x170 [ 2635.348021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.348021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.348021][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.348021][ T74] netlink_unicast+0x449/0x710 [ 2635.348021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.348021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.348021][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.348021][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.348021][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.348021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.348021][ T74] [ 2635.349949][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2635.350209][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.350209][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.350209][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.350209][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.350209][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.350209][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.350209][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.350209][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.350209][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.350209][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.350209][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.350209][ T74] process_one_work+0x84d/0x18a0 [ 2635.350209][ T74] worker_thread+0x587/0xd30 [ 2635.350209][ T74] kthread+0x28a/0x350 [ 2635.350209][ T74] ret_from_fork+0x31/0x70 [ 2635.350209][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.350209][ T74] [ 2635.352380][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.352380][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.352380][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.352380][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.352380][ T74] ip6_route_add+0x1c/0x140 [ 2635.352380][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.352380][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.352380][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.352380][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.352380][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.352380][ T74] netlink_unicast+0x449/0x710 [ 2635.352380][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.352380][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.352380][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.352380][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.352380][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.352380][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.352380][ T74] [ 2635.355169][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.355169][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.355169][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.355169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.355169][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.355169][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.355169][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.355169][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.355169][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.355169][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.355169][ T74] netlink_unicast+0x449/0x710 [ 2635.355169][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.355169][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.355169][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.355169][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.355169][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.355169][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.355169][ T74] [ 2635.357407][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.357407][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.357407][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.357407][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.357407][ T74] ip6_route_add+0x1c/0x140 [ 2635.357407][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.357407][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.357407][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.357407][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.357407][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.357407][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.357407][ T74] netlink_unicast+0x449/0x710 [ 2635.357407][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.357407][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.357407][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.357407][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.357407][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.357407][ T74] [ 2635.359643][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.359643][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.359643][ T74] ipv6_find_idev+0x102/0x170 [ 2635.359643][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.359643][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.359643][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.359643][ T74] netlink_unicast+0x449/0x710 [ 2635.359643][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.359643][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.359643][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.359643][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.359643][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.359643][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.359643][ T74] [ 2635.361374][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2635.361374][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.361374][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.361374][ T74] ipv6_find_idev+0x102/0x170 [ 2635.361374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.361374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.361374][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.361374][ T74] netlink_unicast+0x449/0x710 [ 2635.361374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.361374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.361374][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.361374][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.361374][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.361374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.361374][ T74] [ 2635.363279][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2635.363546][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.363546][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.363546][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.363546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.363546][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.363546][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.363546][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.363546][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.363546][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.363546][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.363546][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.363546][ T74] process_one_work+0x84d/0x18a0 [ 2635.363546][ T74] worker_thread+0x587/0xd30 [ 2635.363546][ T74] kthread+0x28a/0x350 [ 2635.363546][ T74] ret_from_fork+0x31/0x70 [ 2635.363546][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.363546][ T74] [ 2635.365673][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.365673][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.365673][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.365673][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.365673][ T74] ip6_route_add+0x1c/0x140 [ 2635.365673][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.365673][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.365673][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.365673][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.365673][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.365673][ T74] netlink_unicast+0x449/0x710 [ 2635.365673][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.365673][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.365673][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.365673][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.365673][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.365673][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.365673][ T74] [ 2635.368149][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.368149][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.368149][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.368149][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.368149][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.368149][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.368149][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.368149][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.368149][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.368149][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.368149][ T74] netlink_unicast+0x449/0x710 [ 2635.368149][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.368149][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.368149][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.368149][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.368149][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.368149][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.368149][ T74] [ 2635.370694][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.370694][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.370694][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.370694][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.370694][ T74] ip6_route_add+0x1c/0x140 [ 2635.370694][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.370694][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.370694][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.370694][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.370694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.370694][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.370694][ T74] netlink_unicast+0x449/0x710 [ 2635.370694][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.370694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.370694][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.370694][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.370694][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.370694][ T74] [ 2635.373157][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.373157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.373157][ T74] ipv6_find_idev+0x102/0x170 [ 2635.373157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.373157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.373157][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.373157][ T74] netlink_unicast+0x449/0x710 [ 2635.373157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.373157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.373157][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.373157][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.373157][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.373157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.373157][ T74] [ 2635.375046][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2635.375046][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.375046][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.375046][ T74] ipv6_find_idev+0x102/0x170 [ 2635.375046][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.375046][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.375046][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.375046][ T74] netlink_unicast+0x449/0x710 [ 2635.375046][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.375046][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.375046][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.375046][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.375046][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.375046][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.375046][ T74] [ 2635.377069][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2635.377323][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.377323][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.377323][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.377323][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.377323][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2635.377323][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2635.377323][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2635.377323][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2635.377323][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2635.377323][ T74] addrconf_dad_begin+0x310/0x670 [ 2635.377323][ T74] addrconf_dad_work+0x10b/0xab0 [ 2635.377323][ T74] process_one_work+0x84d/0x18a0 [ 2635.377323][ T74] worker_thread+0x587/0xd30 [ 2635.377323][ T74] kthread+0x28a/0x350 [ 2635.377323][ T74] ret_from_fork+0x31/0x70 [ 2635.377323][ T74] ret_from_fork_asm+0x1a/0x30 [ 2635.377323][ T74] [ 2635.379721][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.379721][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.379721][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.379721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.379721][ T74] ip6_route_add+0x1c/0x140 [ 2635.379721][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2635.379721][ T74] inet6_addr_add+0x4f8/0xa40 [ 2635.379721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.379721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.379721][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.379721][ T74] netlink_unicast+0x449/0x710 [ 2635.379721][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.379721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.379721][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.379721][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.379721][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.379721][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.379721][ T74] [ 2635.382620][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.382620][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.382620][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.382620][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.382620][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2635.382620][ T74] ipv6_add_addr+0x411/0x2000 [ 2635.382620][ T74] inet6_addr_add+0x30e/0xa40 [ 2635.382620][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.382620][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.382620][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.382620][ T74] netlink_unicast+0x449/0x710 [ 2635.382620][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.382620][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.382620][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.382620][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.382620][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.382620][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.382620][ T74] [ 2635.385056][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.385056][ T74] netdev_get_by_index+0x5e/0x80 [ 2635.385056][ T74] fib6_nh_init+0x3d8/0x1580 [ 2635.385056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2635.385056][ T74] ip6_route_add+0x1c/0x140 [ 2635.385056][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2635.385056][ T74] addrconf_add_dev+0xe2/0x170 [ 2635.385056][ T74] inet6_addr_add+0x12f/0xa40 [ 2635.385056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2635.385056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.385056][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.385056][ T74] netlink_unicast+0x449/0x710 [ 2635.385056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.385056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.385056][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.385056][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.385056][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.385056][ T74] [ 2635.387432][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.387432][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2635.387432][ T74] ipv6_find_idev+0x102/0x170 [ 2635.387432][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.387432][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.387432][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.387432][ T74] netlink_unicast+0x449/0x710 [ 2635.387432][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.387432][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.387432][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.387432][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.387432][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.387432][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.387432][ T74] [ 2635.389344][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2635.389344][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2635.389344][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2635.389344][ T74] ipv6_find_idev+0x102/0x170 [ 2635.389344][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2635.389344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2635.389344][ T74] netlink_rcv_skb+0x130/0x360 [ 2635.389344][ T74] netlink_unicast+0x449/0x710 [ 2635.389344][ T74] netlink_sendmsg+0x723/0xbe0 [ 2635.389344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2635.389344][ T74] ___sys_sendmsg+0xee/0x170 [ 2635.389344][ T74] __sys_sendmsg+0xcd/0x170 [ 2635.389344][ T74] do_syscall_64+0xc6/0x1e0 [ 2635.389344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2635.389344][ T74] [ 2636.088844][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2636.089326][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2636.089326][T16070] dst_init+0x84/0x4a0 [ 2636.089326][T16070] dst_alloc+0x97/0x150 [ 2636.089326][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.089326][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.089326][T16070] ip6_pol_route+0x56f/0x840 [ 2636.089326][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2636.089326][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2636.089326][T16070] fib6_rule_lookup+0x182/0x630 [ 2636.089326][T16070] ip6_route_output_flags+0x259/0x480 [ 2636.089326][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2636.089326][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2636.089326][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2636.089326][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2636.089326][T16070] ip6_datagram_connect+0x2c/0x50 [ 2636.089326][T16070] __sys_connect+0x217/0x2a0 [ 2636.089326][T16070] __x64_sys_connect+0x72/0xb0 [ 2636.089326][T16070] [ 2636.091667][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2636.091667][T16070] dst_init+0x84/0x4a0 [ 2636.091667][T16070] dst_alloc+0x97/0x150 [ 2636.091667][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.091667][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.091667][T16070] ip6_pol_route+0x56f/0x840 [ 2636.091667][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2636.091667][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2636.091667][T16070] fib6_rule_lookup+0x182/0x630 [ 2636.091667][T16070] ip6_route_output_flags+0x259/0x480 [ 2636.091667][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2636.091667][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2636.091667][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2636.091667][T16070] __inet_stream_connect+0x272/0x9f0 [ 2636.091667][T16070] inet_stream_connect+0x57/0xa0 [ 2636.091667][T16070] __sys_connect+0x217/0x2a0 [ 2636.091667][T16070] __x64_sys_connect+0x72/0xb0 [ 2636.091667][T16070] [ 2636.093960][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.093960][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2636.093960][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2636.093960][T16070] fib6_nh_init+0xa22/0x1580 [ 2636.093960][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.093960][T16070] ip6_route_add+0x1c/0x140 [ 2636.093960][T16070] inet6_rtm_newroute+0x104/0x110 [ 2636.093960][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.093960][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.093960][T16070] netlink_unicast+0x449/0x710 [ 2636.093960][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.093960][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.093960][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.093960][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.093960][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.093960][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.093960][T16070] [ 2636.096106][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.096106][T16070] dst_init+0x84/0x4a0 [ 2636.096106][T16070] dst_alloc+0x97/0x150 [ 2636.096106][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.096106][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.096106][T16070] ip6_pol_route+0x56f/0x840 [ 2636.096106][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2636.096106][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2636.096106][T16070] fib6_rule_lookup+0x182/0x630 [ 2636.096106][T16070] ip6_route_input+0x59c/0xa50 [ 2636.096106][T16070] ipv6_rcv+0x397/0x810 [ 2636.096106][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2636.096106][T16070] process_backlog+0x101/0x620 [ 2636.096106][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2636.096106][T16070] net_rx_action+0x495/0xbe0 [ 2636.096106][T16070] __do_softirq+0x1b5/0x7f6 [ 2636.096106][T16070] [ 2636.098208][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.098208][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.098208][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.098208][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.098208][T16070] ip6_route_add+0x1c/0x140 [ 2636.098208][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2636.098208][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2636.098208][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2636.098208][T16070] addrconf_dad_begin+0x310/0x670 [ 2636.098208][T16070] addrconf_dad_work+0x10b/0xab0 [ 2636.098208][T16070] process_one_work+0x84d/0x18a0 [ 2636.098208][T16070] worker_thread+0x587/0xd30 [ 2636.098208][T16070] kthread+0x28a/0x350 [ 2636.098208][T16070] ret_from_fork+0x31/0x70 [ 2636.098208][T16070] ret_from_fork_asm+0x1a/0x30 [ 2636.098208][T16070] [ 2636.100251][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.100251][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.100251][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.100251][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.100251][T16070] ip6_route_add+0x1c/0x140 [ 2636.100251][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2636.100251][T16070] inet6_addr_add+0x4f8/0xa40 [ 2636.100251][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.100251][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.100251][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.100251][T16070] netlink_unicast+0x449/0x710 [ 2636.100251][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.100251][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.100251][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.100251][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.100251][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.100251][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.100251][T16070] [ 2636.102536][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.102536][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.102536][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.102536][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.102536][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2636.102536][T16070] ipv6_add_addr+0x411/0x2000 [ 2636.102536][T16070] inet6_addr_add+0x30e/0xa40 [ 2636.102536][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.102536][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.102536][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.102536][T16070] netlink_unicast+0x449/0x710 [ 2636.102536][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.102536][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.102536][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.102536][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.102536][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.102536][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.102536][T16070] [ 2636.104815][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.104815][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.104815][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.104815][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.104815][T16070] ip6_route_add+0x1c/0x140 [ 2636.104815][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.104815][T16070] addrconf_add_dev+0xe2/0x170 [ 2636.104815][T16070] inet6_addr_add+0x12f/0xa40 [ 2636.104815][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.104815][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.104815][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.104815][T16070] netlink_unicast+0x449/0x710 [ 2636.104815][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.104815][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.104815][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.104815][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.104815][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.104815][T16070] [ 2636.107062][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.107062][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2636.107062][T16070] ipv6_find_idev+0x102/0x170 [ 2636.107062][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.107062][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.107062][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.107062][T16070] netlink_unicast+0x449/0x710 [ 2636.107062][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.107062][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.107062][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.107062][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.107062][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.107062][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.107062][T16070] [ 2636.108814][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2636.108814][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2636.108814][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2636.108814][T16070] ipv6_find_idev+0x102/0x170 [ 2636.108814][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.108814][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.108814][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.108814][T16070] netlink_unicast+0x449/0x710 [ 2636.108814][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.108814][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.108814][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.108814][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.108814][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.108814][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.108814][T16070] [ 2636.110751][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2636.111091][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2636.111091][T16070] dst_init+0x84/0x4a0 [ 2636.111091][T16070] dst_alloc+0x97/0x150 [ 2636.111091][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.111091][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.111091][T16070] ip6_pol_route+0x56f/0x840 [ 2636.111091][T16070] fib6_rule_lookup+0x334/0x630 [ 2636.111091][T16070] ip6_route_output_flags+0x259/0x480 [ 2636.111091][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2636.111091][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2636.111091][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2636.111091][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2636.111091][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2636.111091][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.111091][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.111091][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.111091][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.111091][T16070] [ 2636.113370][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.113370][T16070] dst_init+0x84/0x4a0 [ 2636.113370][T16070] dst_alloc+0x97/0x150 [ 2636.113370][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.113370][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.113370][T16070] ip6_pol_route+0x56f/0x840 [ 2636.113370][T16070] fib6_rule_lookup+0x334/0x630 [ 2636.113370][T16070] ip6_route_output_flags+0x259/0x480 [ 2636.113370][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2636.113370][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2636.113370][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2636.113370][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2636.113370][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2636.113370][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2636.113370][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2636.113370][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2636.113370][T16070] ip6_input_finish+0x120/0x260 [ 2636.113370][T16070] [ 2636.115681][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.115681][T16070] dst_init+0x84/0x4a0 [ 2636.115681][T16070] dst_alloc+0x97/0x150 [ 2636.115681][T16070] ip6_dst_alloc+0x23/0x90 [ 2636.115681][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2636.115681][T16070] ip6_pol_route+0x56f/0x840 [ 2636.115681][T16070] fib6_rule_lookup+0x456/0x630 [ 2636.115681][T16070] ip6_route_input+0x59c/0xa50 [ 2636.115681][T16070] ipv6_rcv+0x397/0x810 [ 2636.115681][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2636.115681][T16070] process_backlog+0x101/0x620 [ 2636.115681][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2636.115681][T16070] net_rx_action+0x495/0xbe0 [ 2636.115681][T16070] __do_softirq+0x1b5/0x7f6 [ 2636.115681][T16070] [ 2636.117547][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.117547][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.117547][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.117547][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.117547][T16070] ip6_route_add+0x1c/0x140 [ 2636.117547][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2636.117547][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2636.117547][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2636.117547][T16070] addrconf_dad_begin+0x310/0x670 [ 2636.117547][T16070] addrconf_dad_work+0x10b/0xab0 [ 2636.117547][T16070] process_one_work+0x84d/0x18a0 [ 2636.117547][T16070] worker_thread+0x587/0xd30 [ 2636.117547][T16070] kthread+0x28a/0x350 [ 2636.117547][T16070] ret_from_fork+0x31/0x70 [ 2636.117547][T16070] ret_from_fork_asm+0x1a/0x30 [ 2636.117547][T16070] [ 2636.119838][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.119838][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.119838][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.119838][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.119838][T16070] ip6_route_add+0x1c/0x140 [ 2636.119838][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2636.119838][T16070] inet6_addr_add+0x4f8/0xa40 [ 2636.119838][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.119838][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.119838][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.119838][T16070] netlink_unicast+0x449/0x710 [ 2636.119838][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.119838][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.119838][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.119838][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.119838][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.119838][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.119838][T16070] [ 2636.122443][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.122443][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.122443][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.122443][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.122443][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2636.122443][T16070] ipv6_add_addr+0x411/0x2000 [ 2636.122443][T16070] inet6_addr_add+0x30e/0xa40 [ 2636.122443][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.122443][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.122443][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.122443][T16070] netlink_unicast+0x449/0x710 [ 2636.122443][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.122443][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.122443][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.122443][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.122443][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.122443][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.122443][T16070] [ 2636.125046][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.125046][T16070] netdev_get_by_index+0x5e/0x80 [ 2636.125046][T16070] fib6_nh_init+0x3d8/0x1580 [ 2636.125046][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2636.125046][T16070] ip6_route_add+0x1c/0x140 [ 2636.125046][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2636.125046][T16070] addrconf_add_dev+0xe2/0x170 [ 2636.125046][T16070] inet6_addr_add+0x12f/0xa40 [ 2636.125046][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2636.125046][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.125046][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.125046][T16070] netlink_unicast+0x449/0x710 [ 2636.125046][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.125046][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.125046][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.125046][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.125046][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.125046][T16070] [ 2636.128140][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.128140][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2636.128140][T16070] ipv6_find_idev+0x102/0x170 [ 2636.128140][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.128140][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.128140][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.128140][T16070] netlink_unicast+0x449/0x710 [ 2636.128140][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.128140][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.128140][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.128140][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.128140][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.128140][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.128140][T16070] [ 2636.130225][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2636.130225][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2636.130225][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2636.130225][T16070] ipv6_find_idev+0x102/0x170 [ 2636.130225][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2636.130225][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2636.130225][T16070] netlink_rcv_skb+0x130/0x360 [ 2636.130225][T16070] netlink_unicast+0x449/0x710 [ 2636.130225][T16070] netlink_sendmsg+0x723/0xbe0 [ 2636.130225][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2636.130225][T16070] ___sys_sendmsg+0xee/0x170 [ 2636.130225][T16070] __sys_sendmsg+0xcd/0x170 [ 2636.130225][T16070] do_syscall_64+0xc6/0x1e0 [ 2636.130225][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2636.130225][T16070] [ 2645.504933][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2645.505339][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.505339][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.505339][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.505339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.505339][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.505339][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.505339][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.505339][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.505339][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.505339][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.505339][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.505339][ T74] process_one_work+0x84d/0x18a0 [ 2645.505339][ T74] worker_thread+0x587/0xd30 [ 2645.505339][ T74] kthread+0x28a/0x350 [ 2645.505339][ T74] ret_from_fork+0x31/0x70 [ 2645.505339][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.505339][ T74] [ 2645.507259][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.507259][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.507259][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.507259][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.507259][ T74] ip6_route_add+0x1c/0x140 [ 2645.507259][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.507259][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.507259][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.507259][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.507259][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.507259][ T74] netlink_unicast+0x449/0x710 [ 2645.507259][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.507259][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.507259][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.507259][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.507259][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.507259][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.507259][ T74] [ 2645.509261][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.509261][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.509261][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.509261][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.509261][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.509261][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.509261][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.509261][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.509261][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.509261][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.509261][ T74] netlink_unicast+0x449/0x710 [ 2645.509261][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.509261][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.509261][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.509261][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.509261][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.509261][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.509261][ T74] [ 2645.511272][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.511272][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.511272][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.511272][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.511272][ T74] ip6_route_add+0x1c/0x140 [ 2645.511272][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.511272][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.511272][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.511272][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.511272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.511272][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.511272][ T74] netlink_unicast+0x449/0x710 [ 2645.511272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.511272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.511272][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.511272][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.511272][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.511272][ T74] [ 2645.513616][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.513616][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.513616][ T74] ipv6_find_idev+0x102/0x170 [ 2645.513616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.513616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.513616][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.513616][ T74] netlink_unicast+0x449/0x710 [ 2645.513616][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.513616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.513616][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.513616][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.513616][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.513616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.513616][ T74] [ 2645.515152][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2645.515152][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.515152][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.515152][ T74] ipv6_find_idev+0x102/0x170 [ 2645.515152][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.515152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.515152][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.515152][ T74] netlink_unicast+0x449/0x710 [ 2645.515152][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.515152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.515152][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.515152][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.515152][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.515152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.515152][ T74] [ 2645.516838][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2645.517075][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.517075][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.517075][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.517075][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.517075][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.517075][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.517075][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.517075][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.517075][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.517075][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.517075][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.517075][ T74] process_one_work+0x84d/0x18a0 [ 2645.517075][ T74] worker_thread+0x587/0xd30 [ 2645.517075][ T74] kthread+0x28a/0x350 [ 2645.517075][ T74] ret_from_fork+0x31/0x70 [ 2645.517075][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.517075][ T74] [ 2645.518986][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.518986][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.518986][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.518986][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.518986][ T74] ip6_route_add+0x1c/0x140 [ 2645.518986][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.518986][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.518986][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.518986][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.518986][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.518986][ T74] netlink_unicast+0x449/0x710 [ 2645.518986][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.518986][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.518986][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.518986][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.518986][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.518986][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.518986][ T74] [ 2645.520996][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.520996][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.520996][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.520996][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.520996][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.520996][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.520996][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.520996][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.520996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.520996][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.520996][ T74] netlink_unicast+0x449/0x710 [ 2645.520996][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.520996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.520996][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.520996][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.520996][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.520996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.520996][ T74] [ 2645.522984][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.522984][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.522984][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.522984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.522984][ T74] ip6_route_add+0x1c/0x140 [ 2645.522984][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.522984][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.522984][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.522984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.522984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.522984][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.522984][ T74] netlink_unicast+0x449/0x710 [ 2645.522984][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.522984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.522984][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.522984][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.522984][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.522984][ T74] [ 2645.524947][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.524947][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.524947][ T74] ipv6_find_idev+0x102/0x170 [ 2645.524947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.524947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.524947][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.524947][ T74] netlink_unicast+0x449/0x710 [ 2645.524947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.524947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.524947][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.524947][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.524947][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.524947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.524947][ T74] [ 2645.526478][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2645.526478][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.526478][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.526478][ T74] ipv6_find_idev+0x102/0x170 [ 2645.526478][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.526478][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.526478][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.526478][ T74] netlink_unicast+0x449/0x710 [ 2645.526478][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.526478][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.526478][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.526478][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.526478][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.526478][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.526478][ T74] [ 2645.528153][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2645.528395][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.528395][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.528395][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.528395][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.528395][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.528395][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.528395][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.528395][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.528395][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.528395][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.528395][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.528395][ T74] process_one_work+0x84d/0x18a0 [ 2645.528395][ T74] worker_thread+0x587/0xd30 [ 2645.528395][ T74] kthread+0x28a/0x350 [ 2645.528395][ T74] ret_from_fork+0x31/0x70 [ 2645.528395][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.528395][ T74] [ 2645.530319][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.530319][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.530319][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.530319][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.530319][ T74] ip6_route_add+0x1c/0x140 [ 2645.530319][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.530319][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.530319][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.530319][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.530319][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.530319][ T74] netlink_unicast+0x449/0x710 [ 2645.530319][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.530319][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.530319][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.530319][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.530319][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.530319][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.530319][ T74] [ 2645.532499][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.532499][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.532499][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.532499][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.532499][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.532499][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.532499][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.532499][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.532499][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.532499][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.532499][ T74] netlink_unicast+0x449/0x710 [ 2645.532499][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.532499][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.532499][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.532499][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.532499][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.532499][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.532499][ T74] [ 2645.534843][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.534843][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.534843][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.534843][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.534843][ T74] ip6_route_add+0x1c/0x140 [ 2645.534843][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.534843][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.534843][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.534843][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.534843][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.534843][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.534843][ T74] netlink_unicast+0x449/0x710 [ 2645.534843][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.534843][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.534843][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.534843][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.534843][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.534843][ T74] [ 2645.537045][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.537045][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.537045][ T74] ipv6_find_idev+0x102/0x170 [ 2645.537045][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.537045][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.537045][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.537045][ T74] netlink_unicast+0x449/0x710 [ 2645.537045][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.537045][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.537045][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.537045][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.537045][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.537045][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.537045][ T74] [ 2645.538766][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2645.538766][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.538766][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.538766][ T74] ipv6_find_idev+0x102/0x170 [ 2645.538766][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.538766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.538766][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.538766][ T74] netlink_unicast+0x449/0x710 [ 2645.538766][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.538766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.538766][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.538766][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.538766][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.538766][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.538766][ T74] [ 2645.540653][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2645.540903][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.540903][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.540903][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.540903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.540903][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2645.540903][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2645.540903][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2645.540903][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2645.540903][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2645.540903][ T74] addrconf_dad_begin+0x310/0x670 [ 2645.540903][ T74] addrconf_dad_work+0x10b/0xab0 [ 2645.540903][ T74] process_one_work+0x84d/0x18a0 [ 2645.540903][ T74] worker_thread+0x587/0xd30 [ 2645.540903][ T74] kthread+0x28a/0x350 [ 2645.540903][ T74] ret_from_fork+0x31/0x70 [ 2645.540903][ T74] ret_from_fork_asm+0x1a/0x30 [ 2645.540903][ T74] [ 2645.543047][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.543047][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.543047][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.543047][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.543047][ T74] ip6_route_add+0x1c/0x140 [ 2645.543047][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2645.543047][ T74] inet6_addr_add+0x4f8/0xa40 [ 2645.543047][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.543047][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.543047][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.543047][ T74] netlink_unicast+0x449/0x710 [ 2645.543047][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.543047][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.543047][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.543047][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.543047][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.543047][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.543047][ T74] [ 2645.545342][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.545342][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.545342][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.545342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.545342][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2645.545342][ T74] ipv6_add_addr+0x411/0x2000 [ 2645.545342][ T74] inet6_addr_add+0x30e/0xa40 [ 2645.545342][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.545342][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.545342][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.545342][ T74] netlink_unicast+0x449/0x710 [ 2645.545342][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.545342][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.545342][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.545342][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.545342][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.545342][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.545342][ T74] [ 2645.547587][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.547587][ T74] netdev_get_by_index+0x5e/0x80 [ 2645.547587][ T74] fib6_nh_init+0x3d8/0x1580 [ 2645.547587][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2645.547587][ T74] ip6_route_add+0x1c/0x140 [ 2645.547587][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2645.547587][ T74] addrconf_add_dev+0xe2/0x170 [ 2645.547587][ T74] inet6_addr_add+0x12f/0xa40 [ 2645.547587][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2645.547587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.547587][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.547587][ T74] netlink_unicast+0x449/0x710 [ 2645.547587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.547587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.547587][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.547587][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.547587][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.547587][ T74] [ 2645.549846][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.549846][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2645.549846][ T74] ipv6_find_idev+0x102/0x170 [ 2645.549846][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.549846][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.549846][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.549846][ T74] netlink_unicast+0x449/0x710 [ 2645.549846][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.549846][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.549846][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.549846][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.549846][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.549846][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.549846][ T74] [ 2645.551562][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2645.551562][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2645.551562][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2645.551562][ T74] ipv6_find_idev+0x102/0x170 [ 2645.551562][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2645.551562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2645.551562][ T74] netlink_rcv_skb+0x130/0x360 [ 2645.551562][ T74] netlink_unicast+0x449/0x710 [ 2645.551562][ T74] netlink_sendmsg+0x723/0xbe0 [ 2645.551562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2645.551562][ T74] ___sys_sendmsg+0xee/0x170 [ 2645.551562][ T74] __sys_sendmsg+0xcd/0x170 [ 2645.551562][ T74] do_syscall_64+0xc6/0x1e0 [ 2645.551562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2645.551562][ T74] [ 2646.368927][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2646.369367][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2646.369367][T16070] dst_init+0x84/0x4a0 [ 2646.369367][T16070] dst_alloc+0x97/0x150 [ 2646.369367][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.369367][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.369367][T16070] ip6_pol_route+0x56f/0x840 [ 2646.369367][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2646.369367][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2646.369367][T16070] fib6_rule_lookup+0x182/0x630 [ 2646.369367][T16070] ip6_route_output_flags+0x259/0x480 [ 2646.369367][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2646.369367][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2646.369367][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2646.369367][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2646.369367][T16070] ip6_datagram_connect+0x2c/0x50 [ 2646.369367][T16070] __sys_connect+0x217/0x2a0 [ 2646.369367][T16070] __x64_sys_connect+0x72/0xb0 [ 2646.369367][T16070] [ 2646.371653][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2646.371653][T16070] dst_init+0x84/0x4a0 [ 2646.371653][T16070] dst_alloc+0x97/0x150 [ 2646.371653][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.371653][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.371653][T16070] ip6_pol_route+0x56f/0x840 [ 2646.371653][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2646.371653][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2646.371653][T16070] fib6_rule_lookup+0x182/0x630 [ 2646.371653][T16070] ip6_route_output_flags+0x259/0x480 [ 2646.371653][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2646.371653][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2646.371653][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2646.371653][T16070] __inet_stream_connect+0x272/0x9f0 [ 2646.371653][T16070] inet_stream_connect+0x57/0xa0 [ 2646.371653][T16070] __sys_connect+0x217/0x2a0 [ 2646.371653][T16070] __x64_sys_connect+0x72/0xb0 [ 2646.371653][T16070] [ 2646.373892][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.373892][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2646.373892][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2646.373892][T16070] fib6_nh_init+0xa22/0x1580 [ 2646.373892][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.373892][T16070] ip6_route_add+0x1c/0x140 [ 2646.373892][T16070] inet6_rtm_newroute+0x104/0x110 [ 2646.373892][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.373892][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.373892][T16070] netlink_unicast+0x449/0x710 [ 2646.373892][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.373892][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.373892][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.373892][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.373892][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.373892][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.373892][T16070] [ 2646.375997][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.375997][T16070] dst_init+0x84/0x4a0 [ 2646.375997][T16070] dst_alloc+0x97/0x150 [ 2646.375997][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.375997][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.375997][T16070] ip6_pol_route+0x56f/0x840 [ 2646.375997][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2646.375997][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2646.375997][T16070] fib6_rule_lookup+0x182/0x630 [ 2646.375997][T16070] ip6_route_input+0x59c/0xa50 [ 2646.375997][T16070] ipv6_rcv+0x397/0x810 [ 2646.375997][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2646.375997][T16070] process_backlog+0x101/0x620 [ 2646.375997][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2646.375997][T16070] net_rx_action+0x495/0xbe0 [ 2646.375997][T16070] __do_softirq+0x1b5/0x7f6 [ 2646.375997][T16070] [ 2646.378068][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.378068][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.378068][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.378068][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.378068][T16070] ip6_route_add+0x1c/0x140 [ 2646.378068][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2646.378068][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2646.378068][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2646.378068][T16070] addrconf_dad_begin+0x310/0x670 [ 2646.378068][T16070] addrconf_dad_work+0x10b/0xab0 [ 2646.378068][T16070] process_one_work+0x84d/0x18a0 [ 2646.378068][T16070] worker_thread+0x587/0xd30 [ 2646.378068][T16070] kthread+0x28a/0x350 [ 2646.378068][T16070] ret_from_fork+0x31/0x70 [ 2646.378068][T16070] ret_from_fork_asm+0x1a/0x30 [ 2646.378068][T16070] [ 2646.380098][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.380098][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.380098][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.380098][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.380098][T16070] ip6_route_add+0x1c/0x140 [ 2646.380098][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2646.380098][T16070] inet6_addr_add+0x4f8/0xa40 [ 2646.380098][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.380098][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.380098][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.380098][T16070] netlink_unicast+0x449/0x710 [ 2646.380098][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.380098][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.380098][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.380098][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.380098][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.380098][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.380098][T16070] [ 2646.382350][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.382350][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.382350][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.382350][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.382350][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2646.382350][T16070] ipv6_add_addr+0x411/0x2000 [ 2646.382350][T16070] inet6_addr_add+0x30e/0xa40 [ 2646.382350][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.382350][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.382350][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.382350][T16070] netlink_unicast+0x449/0x710 [ 2646.382350][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.382350][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.382350][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.382350][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.382350][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.382350][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.382350][T16070] [ 2646.384590][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.384590][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.384590][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.384590][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.384590][T16070] ip6_route_add+0x1c/0x140 [ 2646.384590][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.384590][T16070] addrconf_add_dev+0xe2/0x170 [ 2646.384590][T16070] inet6_addr_add+0x12f/0xa40 [ 2646.384590][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.384590][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.384590][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.384590][T16070] netlink_unicast+0x449/0x710 [ 2646.384590][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.384590][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.384590][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.384590][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.384590][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.384590][T16070] [ 2646.386793][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.386793][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2646.386793][T16070] ipv6_find_idev+0x102/0x170 [ 2646.386793][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.386793][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.386793][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.386793][T16070] netlink_unicast+0x449/0x710 [ 2646.386793][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.386793][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.386793][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.386793][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.386793][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.386793][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.386793][T16070] [ 2646.388534][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2646.388534][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2646.388534][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2646.388534][T16070] ipv6_find_idev+0x102/0x170 [ 2646.388534][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.388534][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.388534][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.388534][T16070] netlink_unicast+0x449/0x710 [ 2646.388534][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.388534][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.388534][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.388534][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.388534][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.388534][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.388534][T16070] [ 2646.390438][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2646.390740][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2646.390740][T16070] dst_init+0x84/0x4a0 [ 2646.390740][T16070] dst_alloc+0x97/0x150 [ 2646.390740][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.390740][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.390740][T16070] ip6_pol_route+0x56f/0x840 [ 2646.390740][T16070] fib6_rule_lookup+0x334/0x630 [ 2646.390740][T16070] ip6_route_output_flags+0x259/0x480 [ 2646.390740][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2646.390740][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2646.390740][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2646.390740][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2646.390740][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2646.390740][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.390740][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.390740][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.390740][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.390740][T16070] [ 2646.392996][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.392996][T16070] dst_init+0x84/0x4a0 [ 2646.392996][T16070] dst_alloc+0x97/0x150 [ 2646.392996][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.392996][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.392996][T16070] ip6_pol_route+0x56f/0x840 [ 2646.392996][T16070] fib6_rule_lookup+0x334/0x630 [ 2646.392996][T16070] ip6_route_output_flags+0x259/0x480 [ 2646.392996][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2646.392996][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2646.392996][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2646.392996][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2646.392996][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2646.392996][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2646.392996][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2646.392996][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2646.392996][T16070] ip6_input_finish+0x120/0x260 [ 2646.392996][T16070] [ 2646.395274][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.395274][T16070] dst_init+0x84/0x4a0 [ 2646.395274][T16070] dst_alloc+0x97/0x150 [ 2646.395274][T16070] ip6_dst_alloc+0x23/0x90 [ 2646.395274][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2646.395274][T16070] ip6_pol_route+0x56f/0x840 [ 2646.395274][T16070] fib6_rule_lookup+0x456/0x630 [ 2646.395274][T16070] ip6_route_input+0x59c/0xa50 [ 2646.395274][T16070] ipv6_rcv+0x397/0x810 [ 2646.395274][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2646.395274][T16070] process_backlog+0x101/0x620 [ 2646.395274][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2646.395274][T16070] net_rx_action+0x495/0xbe0 [ 2646.395274][T16070] __do_softirq+0x1b5/0x7f6 [ 2646.395274][T16070] [ 2646.397105][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.397105][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.397105][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.397105][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.397105][T16070] ip6_route_add+0x1c/0x140 [ 2646.397105][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2646.397105][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2646.397105][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2646.397105][T16070] addrconf_dad_begin+0x310/0x670 [ 2646.397105][T16070] addrconf_dad_work+0x10b/0xab0 [ 2646.397105][T16070] process_one_work+0x84d/0x18a0 [ 2646.397105][T16070] worker_thread+0x587/0xd30 [ 2646.397105][T16070] kthread+0x28a/0x350 [ 2646.397105][T16070] ret_from_fork+0x31/0x70 [ 2646.397105][T16070] ret_from_fork_asm+0x1a/0x30 [ 2646.397105][T16070] [ 2646.399396][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.399396][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.399396][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.399396][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.399396][T16070] ip6_route_add+0x1c/0x140 [ 2646.399396][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2646.399396][T16070] inet6_addr_add+0x4f8/0xa40 [ 2646.399396][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.399396][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.399396][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.399396][T16070] netlink_unicast+0x449/0x710 [ 2646.399396][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.399396][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.399396][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.399396][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.399396][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.399396][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.399396][T16070] [ 2646.401958][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.401958][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.401958][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.401958][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.401958][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2646.401958][T16070] ipv6_add_addr+0x411/0x2000 [ 2646.401958][T16070] inet6_addr_add+0x30e/0xa40 [ 2646.401958][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.401958][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.401958][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.401958][T16070] netlink_unicast+0x449/0x710 [ 2646.401958][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.401958][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.401958][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.401958][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.401958][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.401958][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.401958][T16070] [ 2646.404508][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.404508][T16070] netdev_get_by_index+0x5e/0x80 [ 2646.404508][T16070] fib6_nh_init+0x3d8/0x1580 [ 2646.404508][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2646.404508][T16070] ip6_route_add+0x1c/0x140 [ 2646.404508][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2646.404508][T16070] addrconf_add_dev+0xe2/0x170 [ 2646.404508][T16070] inet6_addr_add+0x12f/0xa40 [ 2646.404508][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2646.404508][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.404508][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.404508][T16070] netlink_unicast+0x449/0x710 [ 2646.404508][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.404508][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.404508][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.404508][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.404508][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.404508][T16070] [ 2646.406979][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.406979][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2646.406979][T16070] ipv6_find_idev+0x102/0x170 [ 2646.406979][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.406979][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.406979][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.406979][T16070] netlink_unicast+0x449/0x710 [ 2646.406979][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.406979][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.406979][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.406979][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.406979][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.406979][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.406979][T16070] [ 2646.408945][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2646.408945][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2646.408945][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2646.408945][T16070] ipv6_find_idev+0x102/0x170 [ 2646.408945][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2646.408945][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2646.408945][T16070] netlink_rcv_skb+0x130/0x360 [ 2646.408945][T16070] netlink_unicast+0x449/0x710 [ 2646.408945][T16070] netlink_sendmsg+0x723/0xbe0 [ 2646.408945][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2646.408945][T16070] ___sys_sendmsg+0xee/0x170 [ 2646.408945][T16070] __sys_sendmsg+0xcd/0x170 [ 2646.408945][T16070] do_syscall_64+0xc6/0x1e0 [ 2646.408945][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2646.408945][T16070] [ 2655.632857][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2655.633308][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.633308][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.633308][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.633308][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.633308][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2655.633308][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2655.633308][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2655.633308][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2655.633308][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2655.633308][ T74] addrconf_dad_begin+0x310/0x670 [ 2655.633308][ T74] addrconf_dad_work+0x10b/0xab0 [ 2655.633308][ T74] process_one_work+0x84d/0x18a0 [ 2655.633308][ T74] worker_thread+0x587/0xd30 [ 2655.633308][ T74] kthread+0x28a/0x350 [ 2655.633308][ T74] ret_from_fork+0x31/0x70 [ 2655.633308][ T74] ret_from_fork_asm+0x1a/0x30 [ 2655.633308][ T74] [ 2655.635522][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.635522][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.635522][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.635522][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.635522][ T74] ip6_route_add+0x1c/0x140 [ 2655.635522][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2655.635522][ T74] inet6_addr_add+0x4f8/0xa40 [ 2655.635522][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.635522][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.635522][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.635522][ T74] netlink_unicast+0x449/0x710 [ 2655.635522][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.635522][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.635522][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.635522][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.635522][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.635522][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.635522][ T74] [ 2655.637764][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.637764][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.637764][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.637764][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.637764][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2655.637764][ T74] ipv6_add_addr+0x411/0x2000 [ 2655.637764][ T74] inet6_addr_add+0x30e/0xa40 [ 2655.637764][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.637764][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.637764][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.637764][ T74] netlink_unicast+0x449/0x710 [ 2655.637764][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.637764][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.637764][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.637764][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.637764][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.637764][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.637764][ T74] [ 2655.640037][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.640037][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.640037][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.640037][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.640037][ T74] ip6_route_add+0x1c/0x140 [ 2655.640037][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2655.640037][ T74] addrconf_add_dev+0xe2/0x170 [ 2655.640037][ T74] inet6_addr_add+0x12f/0xa40 [ 2655.640037][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.640037][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.640037][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.640037][ T74] netlink_unicast+0x449/0x710 [ 2655.640037][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.640037][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.640037][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.640037][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.640037][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.640037][ T74] [ 2655.642240][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.642240][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2655.642240][ T74] ipv6_find_idev+0x102/0x170 [ 2655.642240][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.642240][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.642240][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.642240][ T74] netlink_unicast+0x449/0x710 [ 2655.642240][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.642240][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.642240][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.642240][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.642240][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.642240][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.642240][ T74] [ 2655.643970][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2655.643970][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2655.643970][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2655.643970][ T74] ipv6_find_idev+0x102/0x170 [ 2655.643970][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.643970][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.643970][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.643970][ T74] netlink_unicast+0x449/0x710 [ 2655.643970][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.643970][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.643970][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.643970][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.643970][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.643970][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.643970][ T74] [ 2655.645893][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2655.646150][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.646150][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.646150][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.646150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.646150][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2655.646150][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2655.646150][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2655.646150][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2655.646150][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2655.646150][ T74] addrconf_dad_begin+0x310/0x670 [ 2655.646150][ T74] addrconf_dad_work+0x10b/0xab0 [ 2655.646150][ T74] process_one_work+0x84d/0x18a0 [ 2655.646150][ T74] worker_thread+0x587/0xd30 [ 2655.646150][ T74] kthread+0x28a/0x350 [ 2655.646150][ T74] ret_from_fork+0x31/0x70 [ 2655.646150][ T74] ret_from_fork_asm+0x1a/0x30 [ 2655.646150][ T74] [ 2655.648336][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.648336][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.648336][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.648336][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.648336][ T74] ip6_route_add+0x1c/0x140 [ 2655.648336][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2655.648336][ T74] inet6_addr_add+0x4f8/0xa40 [ 2655.648336][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.648336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.648336][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.648336][ T74] netlink_unicast+0x449/0x710 [ 2655.648336][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.648336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.648336][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.648336][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.648336][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.648336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.648336][ T74] [ 2655.650632][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.650632][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.650632][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.650632][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.650632][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2655.650632][ T74] ipv6_add_addr+0x411/0x2000 [ 2655.650632][ T74] inet6_addr_add+0x30e/0xa40 [ 2655.650632][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.650632][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.650632][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.650632][ T74] netlink_unicast+0x449/0x710 [ 2655.650632][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.650632][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.650632][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.650632][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.650632][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.650632][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.650632][ T74] [ 2655.652845][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.652845][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.652845][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.652845][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.652845][ T74] ip6_route_add+0x1c/0x140 [ 2655.652845][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2655.652845][ T74] addrconf_add_dev+0xe2/0x170 [ 2655.652845][ T74] inet6_addr_add+0x12f/0xa40 [ 2655.652845][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.652845][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.652845][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.652845][ T74] netlink_unicast+0x449/0x710 [ 2655.652845][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.652845][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.652845][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.652845][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.652845][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.652845][ T74] [ 2655.655403][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.655403][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2655.655403][ T74] ipv6_find_idev+0x102/0x170 [ 2655.655403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.655403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.655403][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.655403][ T74] netlink_unicast+0x449/0x710 [ 2655.655403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.655403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.655403][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.655403][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.655403][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.655403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.655403][ T74] [ 2655.657124][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2655.657124][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2655.657124][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2655.657124][ T74] ipv6_find_idev+0x102/0x170 [ 2655.657124][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.657124][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.657124][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.657124][ T74] netlink_unicast+0x449/0x710 [ 2655.657124][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.657124][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.657124][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.657124][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.657124][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.657124][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.657124][ T74] [ 2655.659038][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2655.659313][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.659313][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.659313][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.659313][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.659313][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2655.659313][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2655.659313][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2655.659313][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2655.659313][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2655.659313][ T74] addrconf_dad_begin+0x310/0x670 [ 2655.659313][ T74] addrconf_dad_work+0x10b/0xab0 [ 2655.659313][ T74] process_one_work+0x84d/0x18a0 [ 2655.659313][ T74] worker_thread+0x587/0xd30 [ 2655.659313][ T74] kthread+0x28a/0x350 [ 2655.659313][ T74] ret_from_fork+0x31/0x70 [ 2655.659313][ T74] ret_from_fork_asm+0x1a/0x30 [ 2655.659313][ T74] [ 2655.661481][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.661481][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.661481][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.661481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.661481][ T74] ip6_route_add+0x1c/0x140 [ 2655.661481][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2655.661481][ T74] inet6_addr_add+0x4f8/0xa40 [ 2655.661481][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.661481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.661481][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.661481][ T74] netlink_unicast+0x449/0x710 [ 2655.661481][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.661481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.661481][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.661481][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.661481][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.661481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.661481][ T74] [ 2655.663885][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.663885][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.663885][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.663885][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.663885][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2655.663885][ T74] ipv6_add_addr+0x411/0x2000 [ 2655.663885][ T74] inet6_addr_add+0x30e/0xa40 [ 2655.663885][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.663885][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.663885][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.663885][ T74] netlink_unicast+0x449/0x710 [ 2655.663885][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.663885][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.663885][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.663885][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.663885][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.663885][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.663885][ T74] [ 2655.666841][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.666841][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.666841][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.666841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.666841][ T74] ip6_route_add+0x1c/0x140 [ 2655.666841][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2655.666841][ T74] addrconf_add_dev+0xe2/0x170 [ 2655.666841][ T74] inet6_addr_add+0x12f/0xa40 [ 2655.666841][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.666841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.666841][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.666841][ T74] netlink_unicast+0x449/0x710 [ 2655.666841][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.666841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.666841][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.666841][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.666841][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.666841][ T74] [ 2655.669359][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.669359][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2655.669359][ T74] ipv6_find_idev+0x102/0x170 [ 2655.669359][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.669359][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.669359][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.669359][ T74] netlink_unicast+0x449/0x710 [ 2655.669359][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.669359][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.669359][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.669359][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.669359][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.669359][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.669359][ T74] [ 2655.671285][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2655.671285][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2655.671285][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2655.671285][ T74] ipv6_find_idev+0x102/0x170 [ 2655.671285][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.671285][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.671285][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.671285][ T74] netlink_unicast+0x449/0x710 [ 2655.671285][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.671285][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.671285][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.671285][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.671285][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.671285][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.671285][ T74] [ 2655.673361][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2655.673639][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.673639][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.673639][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.673639][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.673639][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2655.673639][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2655.673639][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2655.673639][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2655.673639][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2655.673639][ T74] addrconf_dad_begin+0x310/0x670 [ 2655.673639][ T74] addrconf_dad_work+0x10b/0xab0 [ 2655.673639][ T74] process_one_work+0x84d/0x18a0 [ 2655.673639][ T74] worker_thread+0x587/0xd30 [ 2655.673639][ T74] kthread+0x28a/0x350 [ 2655.673639][ T74] ret_from_fork+0x31/0x70 [ 2655.673639][ T74] ret_from_fork_asm+0x1a/0x30 [ 2655.673639][ T74] [ 2655.676080][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.676080][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.676080][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.676080][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.676080][ T74] ip6_route_add+0x1c/0x140 [ 2655.676080][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2655.676080][ T74] inet6_addr_add+0x4f8/0xa40 [ 2655.676080][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.676080][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.676080][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.676080][ T74] netlink_unicast+0x449/0x710 [ 2655.676080][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.676080][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.676080][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.676080][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.676080][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.676080][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.676080][ T74] [ 2655.678657][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.678657][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.678657][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.678657][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.678657][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2655.678657][ T74] ipv6_add_addr+0x411/0x2000 [ 2655.678657][ T74] inet6_addr_add+0x30e/0xa40 [ 2655.678657][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.678657][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.678657][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.678657][ T74] netlink_unicast+0x449/0x710 [ 2655.678657][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.678657][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.678657][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.678657][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.678657][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.678657][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.678657][ T74] [ 2655.681150][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.681150][ T74] netdev_get_by_index+0x5e/0x80 [ 2655.681150][ T74] fib6_nh_init+0x3d8/0x1580 [ 2655.681150][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2655.681150][ T74] ip6_route_add+0x1c/0x140 [ 2655.681150][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2655.681150][ T74] addrconf_add_dev+0xe2/0x170 [ 2655.681150][ T74] inet6_addr_add+0x12f/0xa40 [ 2655.681150][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2655.681150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.681150][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.681150][ T74] netlink_unicast+0x449/0x710 [ 2655.681150][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.681150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.681150][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.681150][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.681150][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.681150][ T74] [ 2655.683599][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.683599][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2655.683599][ T74] ipv6_find_idev+0x102/0x170 [ 2655.683599][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.683599][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.683599][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.683599][ T74] netlink_unicast+0x449/0x710 [ 2655.683599][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.683599][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.683599][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.683599][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.683599][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.683599][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.683599][ T74] [ 2655.685833][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2655.685833][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2655.685833][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2655.685833][ T74] ipv6_find_idev+0x102/0x170 [ 2655.685833][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2655.685833][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2655.685833][ T74] netlink_rcv_skb+0x130/0x360 [ 2655.685833][ T74] netlink_unicast+0x449/0x710 [ 2655.685833][ T74] netlink_sendmsg+0x723/0xbe0 [ 2655.685833][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2655.685833][ T74] ___sys_sendmsg+0xee/0x170 [ 2655.685833][ T74] __sys_sendmsg+0xcd/0x170 [ 2655.685833][ T74] do_syscall_64+0xc6/0x1e0 [ 2655.685833][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2655.685833][ T74] [ 2656.656930][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2656.657382][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2656.657382][T16070] dst_init+0x84/0x4a0 [ 2656.657382][T16070] dst_alloc+0x97/0x150 [ 2656.657382][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.657382][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.657382][T16070] ip6_pol_route+0x56f/0x840 [ 2656.657382][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2656.657382][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2656.657382][T16070] fib6_rule_lookup+0x182/0x630 [ 2656.657382][T16070] ip6_route_output_flags+0x259/0x480 [ 2656.657382][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2656.657382][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2656.657382][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2656.657382][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2656.657382][T16070] ip6_datagram_connect+0x2c/0x50 [ 2656.657382][T16070] __sys_connect+0x217/0x2a0 [ 2656.657382][T16070] __x64_sys_connect+0x72/0xb0 [ 2656.657382][T16070] [ 2656.659698][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2656.659698][T16070] dst_init+0x84/0x4a0 [ 2656.659698][T16070] dst_alloc+0x97/0x150 [ 2656.659698][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.659698][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.659698][T16070] ip6_pol_route+0x56f/0x840 [ 2656.659698][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2656.659698][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2656.659698][T16070] fib6_rule_lookup+0x182/0x630 [ 2656.659698][T16070] ip6_route_output_flags+0x259/0x480 [ 2656.659698][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2656.659698][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2656.659698][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2656.659698][T16070] __inet_stream_connect+0x272/0x9f0 [ 2656.659698][T16070] inet_stream_connect+0x57/0xa0 [ 2656.659698][T16070] __sys_connect+0x217/0x2a0 [ 2656.659698][T16070] __x64_sys_connect+0x72/0xb0 [ 2656.659698][T16070] [ 2656.661950][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.661950][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2656.661950][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2656.661950][T16070] fib6_nh_init+0xa22/0x1580 [ 2656.661950][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.661950][T16070] ip6_route_add+0x1c/0x140 [ 2656.661950][T16070] inet6_rtm_newroute+0x104/0x110 [ 2656.661950][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.661950][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.661950][T16070] netlink_unicast+0x449/0x710 [ 2656.661950][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.661950][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.661950][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.661950][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.661950][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.661950][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.661950][T16070] [ 2656.664061][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.664061][T16070] dst_init+0x84/0x4a0 [ 2656.664061][T16070] dst_alloc+0x97/0x150 [ 2656.664061][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.664061][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.664061][T16070] ip6_pol_route+0x56f/0x840 [ 2656.664061][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2656.664061][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2656.664061][T16070] fib6_rule_lookup+0x182/0x630 [ 2656.664061][T16070] ip6_route_input+0x59c/0xa50 [ 2656.664061][T16070] ipv6_rcv+0x397/0x810 [ 2656.664061][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.664061][T16070] process_backlog+0x101/0x620 [ 2656.664061][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2656.664061][T16070] net_rx_action+0x495/0xbe0 [ 2656.664061][T16070] __do_softirq+0x1b5/0x7f6 [ 2656.664061][T16070] [ 2656.666130][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.666130][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.666130][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.666130][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.666130][T16070] ip6_route_add+0x1c/0x140 [ 2656.666130][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2656.666130][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2656.666130][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2656.666130][T16070] addrconf_dad_begin+0x310/0x670 [ 2656.666130][T16070] addrconf_dad_work+0x10b/0xab0 [ 2656.666130][T16070] process_one_work+0x84d/0x18a0 [ 2656.666130][T16070] worker_thread+0x587/0xd30 [ 2656.666130][T16070] kthread+0x28a/0x350 [ 2656.666130][T16070] ret_from_fork+0x31/0x70 [ 2656.666130][T16070] ret_from_fork_asm+0x1a/0x30 [ 2656.666130][T16070] [ 2656.668136][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.668136][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.668136][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.668136][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.668136][T16070] ip6_route_add+0x1c/0x140 [ 2656.668136][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2656.668136][T16070] inet6_addr_add+0x4f8/0xa40 [ 2656.668136][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.668136][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.668136][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.668136][T16070] netlink_unicast+0x449/0x710 [ 2656.668136][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.668136][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.668136][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.668136][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.668136][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.668136][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.668136][T16070] [ 2656.670387][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.670387][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.670387][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.670387][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.670387][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2656.670387][T16070] ipv6_add_addr+0x411/0x2000 [ 2656.670387][T16070] inet6_addr_add+0x30e/0xa40 [ 2656.670387][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.670387][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.670387][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.670387][T16070] netlink_unicast+0x449/0x710 [ 2656.670387][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.670387][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.670387][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.670387][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.670387][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.670387][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.670387][T16070] [ 2656.672658][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.672658][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.672658][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.672658][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.672658][T16070] ip6_route_add+0x1c/0x140 [ 2656.672658][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.672658][T16070] addrconf_add_dev+0xe2/0x170 [ 2656.672658][T16070] inet6_addr_add+0x12f/0xa40 [ 2656.672658][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.672658][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.672658][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.672658][T16070] netlink_unicast+0x449/0x710 [ 2656.672658][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.672658][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.672658][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.672658][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.672658][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.672658][T16070] [ 2656.674870][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.674870][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2656.674870][T16070] ipv6_find_idev+0x102/0x170 [ 2656.674870][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.674870][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.674870][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.674870][T16070] netlink_unicast+0x449/0x710 [ 2656.674870][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.674870][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.674870][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.674870][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.674870][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.674870][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.674870][T16070] [ 2656.676598][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2656.676598][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2656.676598][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2656.676598][T16070] ipv6_find_idev+0x102/0x170 [ 2656.676598][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.676598][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.676598][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.676598][T16070] netlink_unicast+0x449/0x710 [ 2656.676598][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.676598][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.676598][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.676598][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.676598][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.676598][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.676598][T16070] [ 2656.678493][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2656.678798][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2656.678798][T16070] dst_init+0x84/0x4a0 [ 2656.678798][T16070] dst_alloc+0x97/0x150 [ 2656.678798][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.678798][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.678798][T16070] ip6_pol_route+0x56f/0x840 [ 2656.678798][T16070] fib6_rule_lookup+0x334/0x630 [ 2656.678798][T16070] ip6_route_output_flags+0x259/0x480 [ 2656.678798][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2656.678798][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2656.678798][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2656.678798][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2656.678798][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2656.678798][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.678798][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.678798][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.678798][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.678798][T16070] [ 2656.681059][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.681059][T16070] dst_init+0x84/0x4a0 [ 2656.681059][T16070] dst_alloc+0x97/0x150 [ 2656.681059][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.681059][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.681059][T16070] ip6_pol_route+0x56f/0x840 [ 2656.681059][T16070] fib6_rule_lookup+0x334/0x630 [ 2656.681059][T16070] ip6_route_output_flags+0x259/0x480 [ 2656.681059][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2656.681059][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2656.681059][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2656.681059][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2656.681059][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2656.681059][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2656.681059][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2656.681059][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2656.681059][T16070] ip6_input_finish+0x120/0x260 [ 2656.681059][T16070] [ 2656.683349][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.683349][T16070] dst_init+0x84/0x4a0 [ 2656.683349][T16070] dst_alloc+0x97/0x150 [ 2656.683349][T16070] ip6_dst_alloc+0x23/0x90 [ 2656.683349][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2656.683349][T16070] ip6_pol_route+0x56f/0x840 [ 2656.683349][T16070] fib6_rule_lookup+0x456/0x630 [ 2656.683349][T16070] ip6_route_input+0x59c/0xa50 [ 2656.683349][T16070] ipv6_rcv+0x397/0x810 [ 2656.683349][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2656.683349][T16070] process_backlog+0x101/0x620 [ 2656.683349][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2656.683349][T16070] net_rx_action+0x495/0xbe0 [ 2656.683349][T16070] __do_softirq+0x1b5/0x7f6 [ 2656.683349][T16070] [ 2656.685185][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.685185][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.685185][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.685185][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.685185][T16070] ip6_route_add+0x1c/0x140 [ 2656.685185][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2656.685185][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2656.685185][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2656.685185][T16070] addrconf_dad_begin+0x310/0x670 [ 2656.685185][T16070] addrconf_dad_work+0x10b/0xab0 [ 2656.685185][T16070] process_one_work+0x84d/0x18a0 [ 2656.685185][T16070] worker_thread+0x587/0xd30 [ 2656.685185][T16070] kthread+0x28a/0x350 [ 2656.685185][T16070] ret_from_fork+0x31/0x70 [ 2656.685185][T16070] ret_from_fork_asm+0x1a/0x30 [ 2656.685185][T16070] [ 2656.687435][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.687435][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.687435][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.687435][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.687435][T16070] ip6_route_add+0x1c/0x140 [ 2656.687435][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2656.687435][T16070] inet6_addr_add+0x4f8/0xa40 [ 2656.687435][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.687435][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.687435][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.687435][T16070] netlink_unicast+0x449/0x710 [ 2656.687435][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.687435][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.687435][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.687435][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.687435][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.687435][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.687435][T16070] [ 2656.690081][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.690081][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.690081][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.690081][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.690081][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2656.690081][T16070] ipv6_add_addr+0x411/0x2000 [ 2656.690081][T16070] inet6_addr_add+0x30e/0xa40 [ 2656.690081][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.690081][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.690081][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.690081][T16070] netlink_unicast+0x449/0x710 [ 2656.690081][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.690081][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.690081][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.690081][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.690081][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.690081][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.690081][T16070] [ 2656.692644][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.692644][T16070] netdev_get_by_index+0x5e/0x80 [ 2656.692644][T16070] fib6_nh_init+0x3d8/0x1580 [ 2656.692644][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2656.692644][T16070] ip6_route_add+0x1c/0x140 [ 2656.692644][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2656.692644][T16070] addrconf_add_dev+0xe2/0x170 [ 2656.692644][T16070] inet6_addr_add+0x12f/0xa40 [ 2656.692644][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2656.692644][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.692644][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.692644][T16070] netlink_unicast+0x449/0x710 [ 2656.692644][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.692644][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.692644][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.692644][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.692644][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.692644][T16070] [ 2656.695082][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.695082][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2656.695082][T16070] ipv6_find_idev+0x102/0x170 [ 2656.695082][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.695082][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.695082][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.695082][T16070] netlink_unicast+0x449/0x710 [ 2656.695082][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.695082][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.695082][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.695082][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.695082][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.695082][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.695082][T16070] [ 2656.697054][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2656.697054][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2656.697054][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2656.697054][T16070] ipv6_find_idev+0x102/0x170 [ 2656.697054][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2656.697054][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2656.697054][T16070] netlink_rcv_skb+0x130/0x360 [ 2656.697054][T16070] netlink_unicast+0x449/0x710 [ 2656.697054][T16070] netlink_sendmsg+0x723/0xbe0 [ 2656.697054][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2656.697054][T16070] ___sys_sendmsg+0xee/0x170 [ 2656.697054][T16070] __sys_sendmsg+0xcd/0x170 [ 2656.697054][T16070] do_syscall_64+0xc6/0x1e0 [ 2656.697054][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2656.697054][T16070] [ 2665.920942][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2665.921392][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.921392][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.921392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.921392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.921392][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2665.921392][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2665.921392][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2665.921392][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2665.921392][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2665.921392][ T74] addrconf_dad_begin+0x310/0x670 [ 2665.921392][ T74] addrconf_dad_work+0x10b/0xab0 [ 2665.921392][ T74] process_one_work+0x84d/0x18a0 [ 2665.921392][ T74] worker_thread+0x587/0xd30 [ 2665.921392][ T74] kthread+0x28a/0x350 [ 2665.921392][ T74] ret_from_fork+0x31/0x70 [ 2665.921392][ T74] ret_from_fork_asm+0x1a/0x30 [ 2665.921392][ T74] [ 2665.923519][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.923519][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.923519][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.923519][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.923519][ T74] ip6_route_add+0x1c/0x140 [ 2665.923519][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2665.923519][ T74] inet6_addr_add+0x4f8/0xa40 [ 2665.923519][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.923519][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.923519][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.923519][ T74] netlink_unicast+0x449/0x710 [ 2665.923519][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.923519][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.923519][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.923519][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.923519][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.923519][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.923519][ T74] [ 2665.925760][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.925760][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.925760][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.925760][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.925760][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2665.925760][ T74] ipv6_add_addr+0x411/0x2000 [ 2665.925760][ T74] inet6_addr_add+0x30e/0xa40 [ 2665.925760][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.925760][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.925760][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.925760][ T74] netlink_unicast+0x449/0x710 [ 2665.925760][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.925760][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.925760][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.925760][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.925760][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.925760][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.925760][ T74] [ 2665.928017][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.928017][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.928017][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.928017][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.928017][ T74] ip6_route_add+0x1c/0x140 [ 2665.928017][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2665.928017][ T74] addrconf_add_dev+0xe2/0x170 [ 2665.928017][ T74] inet6_addr_add+0x12f/0xa40 [ 2665.928017][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.928017][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.928017][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.928017][ T74] netlink_unicast+0x449/0x710 [ 2665.928017][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.928017][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.928017][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.928017][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.928017][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.928017][ T74] [ 2665.930248][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.930248][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2665.930248][ T74] ipv6_find_idev+0x102/0x170 [ 2665.930248][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.930248][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.930248][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.930248][ T74] netlink_unicast+0x449/0x710 [ 2665.930248][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.930248][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.930248][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.930248][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.930248][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.930248][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.930248][ T74] [ 2665.931976][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2665.931976][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2665.931976][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2665.931976][ T74] ipv6_find_idev+0x102/0x170 [ 2665.931976][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.931976][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.931976][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.931976][ T74] netlink_unicast+0x449/0x710 [ 2665.931976][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.931976][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.931976][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.931976][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.931976][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.931976][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.931976][ T74] [ 2665.933869][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2665.934141][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.934141][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.934141][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.934141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.934141][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2665.934141][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2665.934141][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2665.934141][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2665.934141][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2665.934141][ T74] addrconf_dad_begin+0x310/0x670 [ 2665.934141][ T74] addrconf_dad_work+0x10b/0xab0 [ 2665.934141][ T74] process_one_work+0x84d/0x18a0 [ 2665.934141][ T74] worker_thread+0x587/0xd30 [ 2665.934141][ T74] kthread+0x28a/0x350 [ 2665.934141][ T74] ret_from_fork+0x31/0x70 [ 2665.934141][ T74] ret_from_fork_asm+0x1a/0x30 [ 2665.934141][ T74] [ 2665.936281][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.936281][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.936281][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.936281][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.936281][ T74] ip6_route_add+0x1c/0x140 [ 2665.936281][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2665.936281][ T74] inet6_addr_add+0x4f8/0xa40 [ 2665.936281][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.936281][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.936281][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.936281][ T74] netlink_unicast+0x449/0x710 [ 2665.936281][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.936281][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.936281][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.936281][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.936281][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.936281][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.936281][ T74] [ 2665.938526][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.938526][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.938526][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.938526][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.938526][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2665.938526][ T74] ipv6_add_addr+0x411/0x2000 [ 2665.938526][ T74] inet6_addr_add+0x30e/0xa40 [ 2665.938526][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.938526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.938526][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.938526][ T74] netlink_unicast+0x449/0x710 [ 2665.938526][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.938526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.938526][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.938526][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.938526][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.938526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.938526][ T74] [ 2665.940777][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.940777][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.940777][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.940777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.940777][ T74] ip6_route_add+0x1c/0x140 [ 2665.940777][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2665.940777][ T74] addrconf_add_dev+0xe2/0x170 [ 2665.940777][ T74] inet6_addr_add+0x12f/0xa40 [ 2665.940777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.940777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.940777][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.940777][ T74] netlink_unicast+0x449/0x710 [ 2665.940777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.940777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.940777][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.940777][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.940777][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.940777][ T74] [ 2665.942974][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.942974][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2665.942974][ T74] ipv6_find_idev+0x102/0x170 [ 2665.942974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.942974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.942974][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.942974][ T74] netlink_unicast+0x449/0x710 [ 2665.942974][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.942974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.942974][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.942974][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.942974][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.942974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.942974][ T74] [ 2665.944712][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2665.944712][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2665.944712][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2665.944712][ T74] ipv6_find_idev+0x102/0x170 [ 2665.944712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.944712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.944712][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.944712][ T74] netlink_unicast+0x449/0x710 [ 2665.944712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.944712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.944712][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.944712][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.944712][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.944712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.944712][ T74] [ 2665.946601][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2665.946876][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.946876][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.946876][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.946876][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.946876][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2665.946876][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2665.946876][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2665.946876][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2665.946876][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2665.946876][ T74] addrconf_dad_begin+0x310/0x670 [ 2665.946876][ T74] addrconf_dad_work+0x10b/0xab0 [ 2665.946876][ T74] process_one_work+0x84d/0x18a0 [ 2665.946876][ T74] worker_thread+0x587/0xd30 [ 2665.946876][ T74] kthread+0x28a/0x350 [ 2665.946876][ T74] ret_from_fork+0x31/0x70 [ 2665.946876][ T74] ret_from_fork_asm+0x1a/0x30 [ 2665.946876][ T74] [ 2665.949024][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.949024][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.949024][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.949024][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.949024][ T74] ip6_route_add+0x1c/0x140 [ 2665.949024][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2665.949024][ T74] inet6_addr_add+0x4f8/0xa40 [ 2665.949024][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.949024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.949024][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.949024][ T74] netlink_unicast+0x449/0x710 [ 2665.949024][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.949024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.949024][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.949024][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.949024][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.949024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.949024][ T74] [ 2665.951461][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.951461][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.951461][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.951461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.951461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2665.951461][ T74] ipv6_add_addr+0x411/0x2000 [ 2665.951461][ T74] inet6_addr_add+0x30e/0xa40 [ 2665.951461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.951461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.951461][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.951461][ T74] netlink_unicast+0x449/0x710 [ 2665.951461][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.951461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.951461][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.951461][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.951461][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.951461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.951461][ T74] [ 2665.953966][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.953966][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.953966][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.953966][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.953966][ T74] ip6_route_add+0x1c/0x140 [ 2665.953966][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2665.953966][ T74] addrconf_add_dev+0xe2/0x170 [ 2665.953966][ T74] inet6_addr_add+0x12f/0xa40 [ 2665.953966][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.953966][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.953966][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.953966][ T74] netlink_unicast+0x449/0x710 [ 2665.953966][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.953966][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.953966][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.953966][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.953966][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.953966][ T74] [ 2665.956459][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.956459][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2665.956459][ T74] ipv6_find_idev+0x102/0x170 [ 2665.956459][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.956459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.956459][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.956459][ T74] netlink_unicast+0x449/0x710 [ 2665.956459][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.956459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.956459][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.956459][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.956459][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.956459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.956459][ T74] [ 2665.958368][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2665.958368][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2665.958368][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2665.958368][ T74] ipv6_find_idev+0x102/0x170 [ 2665.958368][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.958368][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.958368][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.958368][ T74] netlink_unicast+0x449/0x710 [ 2665.958368][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.958368][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.958368][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.958368][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.958368][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.958368][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.958368][ T74] [ 2665.960396][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2665.960652][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.960652][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.960652][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.960652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.960652][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2665.960652][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2665.960652][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2665.960652][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2665.960652][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2665.960652][ T74] addrconf_dad_begin+0x310/0x670 [ 2665.960652][ T74] addrconf_dad_work+0x10b/0xab0 [ 2665.960652][ T74] process_one_work+0x84d/0x18a0 [ 2665.960652][ T74] worker_thread+0x587/0xd30 [ 2665.960652][ T74] kthread+0x28a/0x350 [ 2665.960652][ T74] ret_from_fork+0x31/0x70 [ 2665.960652][ T74] ret_from_fork_asm+0x1a/0x30 [ 2665.960652][ T74] [ 2665.963014][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.963014][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.963014][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.963014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.963014][ T74] ip6_route_add+0x1c/0x140 [ 2665.963014][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2665.963014][ T74] inet6_addr_add+0x4f8/0xa40 [ 2665.963014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.963014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.963014][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.963014][ T74] netlink_unicast+0x449/0x710 [ 2665.963014][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.963014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.963014][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.963014][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.963014][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.963014][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.963014][ T74] [ 2665.965557][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.965557][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.965557][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.965557][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.965557][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2665.965557][ T74] ipv6_add_addr+0x411/0x2000 [ 2665.965557][ T74] inet6_addr_add+0x30e/0xa40 [ 2665.965557][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.965557][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.965557][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.965557][ T74] netlink_unicast+0x449/0x710 [ 2665.965557][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.965557][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.965557][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.965557][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.965557][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.965557][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.965557][ T74] [ 2665.968033][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.968033][ T74] netdev_get_by_index+0x5e/0x80 [ 2665.968033][ T74] fib6_nh_init+0x3d8/0x1580 [ 2665.968033][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2665.968033][ T74] ip6_route_add+0x1c/0x140 [ 2665.968033][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2665.968033][ T74] addrconf_add_dev+0xe2/0x170 [ 2665.968033][ T74] inet6_addr_add+0x12f/0xa40 [ 2665.968033][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2665.968033][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.968033][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.968033][ T74] netlink_unicast+0x449/0x710 [ 2665.968033][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.968033][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.968033][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.968033][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.968033][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.968033][ T74] [ 2665.970469][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.970469][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2665.970469][ T74] ipv6_find_idev+0x102/0x170 [ 2665.970469][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.970469][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.970469][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.970469][ T74] netlink_unicast+0x449/0x710 [ 2665.970469][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.970469][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.970469][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.970469][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.970469][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.970469][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.970469][ T74] [ 2665.972311][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2665.972311][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2665.972311][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2665.972311][ T74] ipv6_find_idev+0x102/0x170 [ 2665.972311][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2665.972311][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2665.972311][ T74] netlink_rcv_skb+0x130/0x360 [ 2665.972311][ T74] netlink_unicast+0x449/0x710 [ 2665.972311][ T74] netlink_sendmsg+0x723/0xbe0 [ 2665.972311][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2665.972311][ T74] ___sys_sendmsg+0xee/0x170 [ 2665.972311][ T74] __sys_sendmsg+0xcd/0x170 [ 2665.972311][ T74] do_syscall_64+0xc6/0x1e0 [ 2665.972311][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2665.972311][ T74] [ 2666.944921][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2666.945387][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2666.945387][T16070] dst_init+0x84/0x4a0 [ 2666.945387][T16070] dst_alloc+0x97/0x150 [ 2666.945387][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.945387][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.945387][T16070] ip6_pol_route+0x56f/0x840 [ 2666.945387][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2666.945387][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2666.945387][T16070] fib6_rule_lookup+0x182/0x630 [ 2666.945387][T16070] ip6_route_output_flags+0x259/0x480 [ 2666.945387][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2666.945387][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2666.945387][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2666.945387][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2666.945387][T16070] ip6_datagram_connect+0x2c/0x50 [ 2666.945387][T16070] __sys_connect+0x217/0x2a0 [ 2666.945387][T16070] __x64_sys_connect+0x72/0xb0 [ 2666.945387][T16070] [ 2666.947683][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2666.947683][T16070] dst_init+0x84/0x4a0 [ 2666.947683][T16070] dst_alloc+0x97/0x150 [ 2666.947683][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.947683][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.947683][T16070] ip6_pol_route+0x56f/0x840 [ 2666.947683][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2666.947683][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2666.947683][T16070] fib6_rule_lookup+0x182/0x630 [ 2666.947683][T16070] ip6_route_output_flags+0x259/0x480 [ 2666.947683][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2666.947683][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2666.947683][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2666.947683][T16070] __inet_stream_connect+0x272/0x9f0 [ 2666.947683][T16070] inet_stream_connect+0x57/0xa0 [ 2666.947683][T16070] __sys_connect+0x217/0x2a0 [ 2666.947683][T16070] __x64_sys_connect+0x72/0xb0 [ 2666.947683][T16070] [ 2666.949957][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.949957][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2666.949957][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2666.949957][T16070] fib6_nh_init+0xa22/0x1580 [ 2666.949957][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.949957][T16070] ip6_route_add+0x1c/0x140 [ 2666.949957][T16070] inet6_rtm_newroute+0x104/0x110 [ 2666.949957][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.949957][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.949957][T16070] netlink_unicast+0x449/0x710 [ 2666.949957][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.949957][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.949957][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.949957][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.949957][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.949957][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.949957][T16070] [ 2666.952065][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.952065][T16070] dst_init+0x84/0x4a0 [ 2666.952065][T16070] dst_alloc+0x97/0x150 [ 2666.952065][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.952065][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.952065][T16070] ip6_pol_route+0x56f/0x840 [ 2666.952065][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2666.952065][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2666.952065][T16070] fib6_rule_lookup+0x182/0x630 [ 2666.952065][T16070] ip6_route_input+0x59c/0xa50 [ 2666.952065][T16070] ipv6_rcv+0x397/0x810 [ 2666.952065][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.952065][T16070] process_backlog+0x101/0x620 [ 2666.952065][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2666.952065][T16070] net_rx_action+0x495/0xbe0 [ 2666.952065][T16070] __do_softirq+0x1b5/0x7f6 [ 2666.952065][T16070] [ 2666.954676][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.954676][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.954676][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.954676][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.954676][T16070] ip6_route_add+0x1c/0x140 [ 2666.954676][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2666.954676][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2666.954676][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2666.954676][T16070] addrconf_dad_begin+0x310/0x670 [ 2666.954676][T16070] addrconf_dad_work+0x10b/0xab0 [ 2666.954676][T16070] process_one_work+0x84d/0x18a0 [ 2666.954676][T16070] worker_thread+0x587/0xd30 [ 2666.954676][T16070] kthread+0x28a/0x350 [ 2666.954676][T16070] ret_from_fork+0x31/0x70 [ 2666.954676][T16070] ret_from_fork_asm+0x1a/0x30 [ 2666.954676][T16070] [ 2666.957056][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.957056][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.957056][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.957056][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.957056][T16070] ip6_route_add+0x1c/0x140 [ 2666.957056][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2666.957056][T16070] inet6_addr_add+0x4f8/0xa40 [ 2666.957056][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.957056][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.957056][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.957056][T16070] netlink_unicast+0x449/0x710 [ 2666.957056][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.957056][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.957056][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.957056][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.957056][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.957056][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.957056][T16070] [ 2666.959294][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.959294][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.959294][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.959294][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.959294][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2666.959294][T16070] ipv6_add_addr+0x411/0x2000 [ 2666.959294][T16070] inet6_addr_add+0x30e/0xa40 [ 2666.959294][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.959294][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.959294][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.959294][T16070] netlink_unicast+0x449/0x710 [ 2666.959294][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.959294][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.959294][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.959294][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.959294][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.959294][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.959294][T16070] [ 2666.961537][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.961537][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.961537][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.961537][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.961537][T16070] ip6_route_add+0x1c/0x140 [ 2666.961537][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.961537][T16070] addrconf_add_dev+0xe2/0x170 [ 2666.961537][T16070] inet6_addr_add+0x12f/0xa40 [ 2666.961537][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.961537][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.961537][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.961537][T16070] netlink_unicast+0x449/0x710 [ 2666.961537][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.961537][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.961537][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.961537][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.961537][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.961537][T16070] [ 2666.963762][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.963762][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2666.963762][T16070] ipv6_find_idev+0x102/0x170 [ 2666.963762][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.963762][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.963762][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.963762][T16070] netlink_unicast+0x449/0x710 [ 2666.963762][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.963762][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.963762][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.963762][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.963762][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.963762][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.963762][T16070] [ 2666.965491][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2666.965491][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2666.965491][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2666.965491][T16070] ipv6_find_idev+0x102/0x170 [ 2666.965491][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.965491][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.965491][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.965491][T16070] netlink_unicast+0x449/0x710 [ 2666.965491][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.965491][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.965491][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.965491][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.965491][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.965491][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.965491][T16070] [ 2666.967385][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2666.967689][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2666.967689][T16070] dst_init+0x84/0x4a0 [ 2666.967689][T16070] dst_alloc+0x97/0x150 [ 2666.967689][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.967689][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.967689][T16070] ip6_pol_route+0x56f/0x840 [ 2666.967689][T16070] fib6_rule_lookup+0x334/0x630 [ 2666.967689][T16070] ip6_route_output_flags+0x259/0x480 [ 2666.967689][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2666.967689][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2666.967689][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2666.967689][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2666.967689][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2666.967689][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.967689][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.967689][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.967689][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.967689][T16070] [ 2666.969965][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.969965][T16070] dst_init+0x84/0x4a0 [ 2666.969965][T16070] dst_alloc+0x97/0x150 [ 2666.969965][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.969965][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.969965][T16070] ip6_pol_route+0x56f/0x840 [ 2666.969965][T16070] fib6_rule_lookup+0x334/0x630 [ 2666.969965][T16070] ip6_route_output_flags+0x259/0x480 [ 2666.969965][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2666.969965][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2666.969965][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2666.969965][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2666.969965][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2666.969965][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2666.969965][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2666.969965][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2666.969965][T16070] ip6_input_finish+0x120/0x260 [ 2666.969965][T16070] [ 2666.972254][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.972254][T16070] dst_init+0x84/0x4a0 [ 2666.972254][T16070] dst_alloc+0x97/0x150 [ 2666.972254][T16070] ip6_dst_alloc+0x23/0x90 [ 2666.972254][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2666.972254][T16070] ip6_pol_route+0x56f/0x840 [ 2666.972254][T16070] fib6_rule_lookup+0x456/0x630 [ 2666.972254][T16070] ip6_route_input+0x59c/0xa50 [ 2666.972254][T16070] ipv6_rcv+0x397/0x810 [ 2666.972254][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2666.972254][T16070] process_backlog+0x101/0x620 [ 2666.972254][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2666.972254][T16070] net_rx_action+0x495/0xbe0 [ 2666.972254][T16070] __do_softirq+0x1b5/0x7f6 [ 2666.972254][T16070] [ 2666.974085][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.974085][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.974085][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.974085][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.974085][T16070] ip6_route_add+0x1c/0x140 [ 2666.974085][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2666.974085][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2666.974085][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2666.974085][T16070] addrconf_dad_begin+0x310/0x670 [ 2666.974085][T16070] addrconf_dad_work+0x10b/0xab0 [ 2666.974085][T16070] process_one_work+0x84d/0x18a0 [ 2666.974085][T16070] worker_thread+0x587/0xd30 [ 2666.974085][T16070] kthread+0x28a/0x350 [ 2666.974085][T16070] ret_from_fork+0x31/0x70 [ 2666.974085][T16070] ret_from_fork_asm+0x1a/0x30 [ 2666.974085][T16070] [ 2666.976340][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.976340][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.976340][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.976340][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.976340][T16070] ip6_route_add+0x1c/0x140 [ 2666.976340][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2666.976340][T16070] inet6_addr_add+0x4f8/0xa40 [ 2666.976340][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.976340][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.976340][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.976340][T16070] netlink_unicast+0x449/0x710 [ 2666.976340][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.976340][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.976340][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.976340][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.976340][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.976340][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.976340][T16070] [ 2666.978991][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.978991][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.978991][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.978991][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.978991][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2666.978991][T16070] ipv6_add_addr+0x411/0x2000 [ 2666.978991][T16070] inet6_addr_add+0x30e/0xa40 [ 2666.978991][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.978991][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.978991][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.978991][T16070] netlink_unicast+0x449/0x710 [ 2666.978991][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.978991][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.978991][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.978991][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.978991][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.978991][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.978991][T16070] [ 2666.981562][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.981562][T16070] netdev_get_by_index+0x5e/0x80 [ 2666.981562][T16070] fib6_nh_init+0x3d8/0x1580 [ 2666.981562][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2666.981562][T16070] ip6_route_add+0x1c/0x140 [ 2666.981562][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2666.981562][T16070] addrconf_add_dev+0xe2/0x170 [ 2666.981562][T16070] inet6_addr_add+0x12f/0xa40 [ 2666.981562][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2666.981562][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.981562][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.981562][T16070] netlink_unicast+0x449/0x710 [ 2666.981562][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.981562][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.981562][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.981562][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.981562][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.981562][T16070] [ 2666.983995][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.983995][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2666.983995][T16070] ipv6_find_idev+0x102/0x170 [ 2666.983995][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.983995][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.983995][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.983995][T16070] netlink_unicast+0x449/0x710 [ 2666.983995][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.983995][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.983995][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.983995][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.983995][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.983995][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.983995][T16070] [ 2666.985966][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2666.985966][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2666.985966][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2666.985966][T16070] ipv6_find_idev+0x102/0x170 [ 2666.985966][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2666.985966][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2666.985966][T16070] netlink_rcv_skb+0x130/0x360 [ 2666.985966][T16070] netlink_unicast+0x449/0x710 [ 2666.985966][T16070] netlink_sendmsg+0x723/0xbe0 [ 2666.985966][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2666.985966][T16070] ___sys_sendmsg+0xee/0x170 [ 2666.985966][T16070] __sys_sendmsg+0xcd/0x170 [ 2666.985966][T16070] do_syscall_64+0xc6/0x1e0 [ 2666.985966][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2666.985966][T16070] [ 2676.040929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2676.041342][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.041342][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.041342][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.041342][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.041342][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.041342][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.041342][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.041342][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.041342][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.041342][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.041342][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.041342][ T74] process_one_work+0x84d/0x18a0 [ 2676.041342][ T74] worker_thread+0x587/0xd30 [ 2676.041342][ T74] kthread+0x28a/0x350 [ 2676.041342][ T74] ret_from_fork+0x31/0x70 [ 2676.041342][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.041342][ T74] [ 2676.043276][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.043276][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.043276][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.043276][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.043276][ T74] ip6_route_add+0x1c/0x140 [ 2676.043276][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.043276][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.043276][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.043276][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.043276][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.043276][ T74] netlink_unicast+0x449/0x710 [ 2676.043276][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.043276][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.043276][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.043276][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.043276][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.043276][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.043276][ T74] [ 2676.045376][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.045376][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.045376][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.045376][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.045376][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.045376][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.045376][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.045376][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.045376][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.045376][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.045376][ T74] netlink_unicast+0x449/0x710 [ 2676.045376][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.045376][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.045376][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.045376][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.045376][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.045376][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.045376][ T74] [ 2676.047433][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.047433][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.047433][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.047433][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.047433][ T74] ip6_route_add+0x1c/0x140 [ 2676.047433][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.047433][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.047433][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.047433][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.047433][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.047433][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.047433][ T74] netlink_unicast+0x449/0x710 [ 2676.047433][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.047433][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.047433][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.047433][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.047433][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.047433][ T74] [ 2676.049420][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.049420][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.049420][ T74] ipv6_find_idev+0x102/0x170 [ 2676.049420][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.049420][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.049420][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.049420][ T74] netlink_unicast+0x449/0x710 [ 2676.049420][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.049420][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.049420][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.049420][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.049420][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.049420][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.049420][ T74] [ 2676.050955][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2676.050955][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.050955][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.050955][ T74] ipv6_find_idev+0x102/0x170 [ 2676.050955][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.050955][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.050955][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.050955][ T74] netlink_unicast+0x449/0x710 [ 2676.050955][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.050955][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.050955][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.050955][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.050955][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.050955][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.050955][ T74] [ 2676.052649][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2676.052903][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.052903][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.052903][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.052903][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.052903][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.052903][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.052903][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.052903][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.052903][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.052903][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.052903][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.052903][ T74] process_one_work+0x84d/0x18a0 [ 2676.052903][ T74] worker_thread+0x587/0xd30 [ 2676.052903][ T74] kthread+0x28a/0x350 [ 2676.052903][ T74] ret_from_fork+0x31/0x70 [ 2676.052903][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.052903][ T74] [ 2676.054812][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.054812][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.054812][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.054812][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.054812][ T74] ip6_route_add+0x1c/0x140 [ 2676.054812][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.054812][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.054812][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.054812][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.054812][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.054812][ T74] netlink_unicast+0x449/0x710 [ 2676.054812][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.054812][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.054812][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.054812][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.054812][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.054812][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.054812][ T74] [ 2676.056814][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.056814][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.056814][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.056814][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.056814][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.056814][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.056814][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.056814][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.056814][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.056814][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.056814][ T74] netlink_unicast+0x449/0x710 [ 2676.056814][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.056814][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.056814][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.056814][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.056814][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.056814][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.056814][ T74] [ 2676.058818][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.058818][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.058818][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.058818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.058818][ T74] ip6_route_add+0x1c/0x140 [ 2676.058818][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.058818][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.058818][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.058818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.058818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.058818][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.058818][ T74] netlink_unicast+0x449/0x710 [ 2676.058818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.058818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.058818][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.058818][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.058818][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.058818][ T74] [ 2676.060783][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.060783][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.060783][ T74] ipv6_find_idev+0x102/0x170 [ 2676.060783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.060783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.060783][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.060783][ T74] netlink_unicast+0x449/0x710 [ 2676.060783][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.060783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.060783][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.060783][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.060783][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.060783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.060783][ T74] [ 2676.062336][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2676.062336][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.062336][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.062336][ T74] ipv6_find_idev+0x102/0x170 [ 2676.062336][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.062336][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.062336][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.062336][ T74] netlink_unicast+0x449/0x710 [ 2676.062336][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.062336][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.062336][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.062336][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.062336][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.062336][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.062336][ T74] [ 2676.064032][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2676.064277][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.064277][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.064277][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.064277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.064277][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.064277][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.064277][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.064277][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.064277][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.064277][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.064277][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.064277][ T74] process_one_work+0x84d/0x18a0 [ 2676.064277][ T74] worker_thread+0x587/0xd30 [ 2676.064277][ T74] kthread+0x28a/0x350 [ 2676.064277][ T74] ret_from_fork+0x31/0x70 [ 2676.064277][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.064277][ T74] [ 2676.066179][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.066179][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.066179][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.066179][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.066179][ T74] ip6_route_add+0x1c/0x140 [ 2676.066179][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.066179][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.066179][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.066179][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.066179][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.066179][ T74] netlink_unicast+0x449/0x710 [ 2676.066179][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.066179][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.066179][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.066179][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.066179][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.066179][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.066179][ T74] [ 2676.068360][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.068360][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.068360][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.068360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.068360][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.068360][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.068360][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.068360][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.068360][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.068360][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.068360][ T74] netlink_unicast+0x449/0x710 [ 2676.068360][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.068360][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.068360][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.068360][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.068360][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.068360][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.068360][ T74] [ 2676.070604][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.070604][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.070604][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.070604][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.070604][ T74] ip6_route_add+0x1c/0x140 [ 2676.070604][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.070604][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.070604][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.070604][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.070604][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.070604][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.070604][ T74] netlink_unicast+0x449/0x710 [ 2676.070604][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.070604][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.070604][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.070604][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.070604][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.070604][ T74] [ 2676.072866][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.072866][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.072866][ T74] ipv6_find_idev+0x102/0x170 [ 2676.072866][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.072866][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.072866][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.072866][ T74] netlink_unicast+0x449/0x710 [ 2676.072866][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.072866][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.072866][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.072866][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.072866][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.072866][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.072866][ T74] [ 2676.074588][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2676.074588][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.074588][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.074588][ T74] ipv6_find_idev+0x102/0x170 [ 2676.074588][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.074588][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.074588][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.074588][ T74] netlink_unicast+0x449/0x710 [ 2676.074588][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.074588][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.074588][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.074588][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.074588][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.074588][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.074588][ T74] [ 2676.076461][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2676.076698][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.076698][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.076698][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.076698][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.076698][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2676.076698][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2676.076698][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2676.076698][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2676.076698][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2676.076698][ T74] addrconf_dad_begin+0x310/0x670 [ 2676.076698][ T74] addrconf_dad_work+0x10b/0xab0 [ 2676.076698][ T74] process_one_work+0x84d/0x18a0 [ 2676.076698][ T74] worker_thread+0x587/0xd30 [ 2676.076698][ T74] kthread+0x28a/0x350 [ 2676.076698][ T74] ret_from_fork+0x31/0x70 [ 2676.076698][ T74] ret_from_fork_asm+0x1a/0x30 [ 2676.076698][ T74] [ 2676.078861][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.078861][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.078861][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.078861][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.078861][ T74] ip6_route_add+0x1c/0x140 [ 2676.078861][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2676.078861][ T74] inet6_addr_add+0x4f8/0xa40 [ 2676.078861][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.078861][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.078861][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.078861][ T74] netlink_unicast+0x449/0x710 [ 2676.078861][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.078861][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.078861][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.078861][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.078861][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.078861][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.078861][ T74] [ 2676.081107][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.081107][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.081107][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.081107][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.081107][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2676.081107][ T74] ipv6_add_addr+0x411/0x2000 [ 2676.081107][ T74] inet6_addr_add+0x30e/0xa40 [ 2676.081107][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.081107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.081107][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.081107][ T74] netlink_unicast+0x449/0x710 [ 2676.081107][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.081107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.081107][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.081107][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.081107][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.081107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.081107][ T74] [ 2676.083416][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.083416][ T74] netdev_get_by_index+0x5e/0x80 [ 2676.083416][ T74] fib6_nh_init+0x3d8/0x1580 [ 2676.083416][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2676.083416][ T74] ip6_route_add+0x1c/0x140 [ 2676.083416][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2676.083416][ T74] addrconf_add_dev+0xe2/0x170 [ 2676.083416][ T74] inet6_addr_add+0x12f/0xa40 [ 2676.083416][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2676.083416][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.083416][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.083416][ T74] netlink_unicast+0x449/0x710 [ 2676.083416][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.083416][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.083416][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.083416][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.083416][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.083416][ T74] [ 2676.085553][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.085553][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2676.085553][ T74] ipv6_find_idev+0x102/0x170 [ 2676.085553][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.085553][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.085553][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.085553][ T74] netlink_unicast+0x449/0x710 [ 2676.085553][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.085553][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.085553][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.085553][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.085553][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.085553][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.085553][ T74] [ 2676.087268][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2676.087268][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2676.087268][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2676.087268][ T74] ipv6_find_idev+0x102/0x170 [ 2676.087268][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2676.087268][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2676.087268][ T74] netlink_rcv_skb+0x130/0x360 [ 2676.087268][ T74] netlink_unicast+0x449/0x710 [ 2676.087268][ T74] netlink_sendmsg+0x723/0xbe0 [ 2676.087268][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2676.087268][ T74] ___sys_sendmsg+0xee/0x170 [ 2676.087268][ T74] __sys_sendmsg+0xcd/0x170 [ 2676.087268][ T74] do_syscall_64+0xc6/0x1e0 [ 2676.087268][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2676.087268][ T74] [ 2677.064861][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2677.065359][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2677.065359][T16070] dst_init+0x84/0x4a0 [ 2677.065359][T16070] dst_alloc+0x97/0x150 [ 2677.065359][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.065359][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.065359][T16070] ip6_pol_route+0x56f/0x840 [ 2677.065359][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2677.065359][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2677.065359][T16070] fib6_rule_lookup+0x182/0x630 [ 2677.065359][T16070] ip6_route_output_flags+0x259/0x480 [ 2677.065359][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2677.065359][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2677.065359][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2677.065359][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2677.065359][T16070] ip6_datagram_connect+0x2c/0x50 [ 2677.065359][T16070] __sys_connect+0x217/0x2a0 [ 2677.065359][T16070] __x64_sys_connect+0x72/0xb0 [ 2677.065359][T16070] [ 2677.067933][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2677.067933][T16070] dst_init+0x84/0x4a0 [ 2677.067933][T16070] dst_alloc+0x97/0x150 [ 2677.067933][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.067933][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.067933][T16070] ip6_pol_route+0x56f/0x840 [ 2677.067933][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2677.067933][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2677.067933][T16070] fib6_rule_lookup+0x182/0x630 [ 2677.067933][T16070] ip6_route_output_flags+0x259/0x480 [ 2677.067933][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2677.067933][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2677.067933][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2677.067933][T16070] __inet_stream_connect+0x272/0x9f0 [ 2677.067933][T16070] inet_stream_connect+0x57/0xa0 [ 2677.067933][T16070] __sys_connect+0x217/0x2a0 [ 2677.067933][T16070] __x64_sys_connect+0x72/0xb0 [ 2677.067933][T16070] [ 2677.070460][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.070460][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2677.070460][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2677.070460][T16070] fib6_nh_init+0xa22/0x1580 [ 2677.070460][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.070460][T16070] ip6_route_add+0x1c/0x140 [ 2677.070460][T16070] inet6_rtm_newroute+0x104/0x110 [ 2677.070460][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.070460][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.070460][T16070] netlink_unicast+0x449/0x710 [ 2677.070460][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.070460][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.070460][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.070460][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.070460][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.070460][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.070460][T16070] [ 2677.072752][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.072752][T16070] dst_init+0x84/0x4a0 [ 2677.072752][T16070] dst_alloc+0x97/0x150 [ 2677.072752][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.072752][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.072752][T16070] ip6_pol_route+0x56f/0x840 [ 2677.072752][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2677.072752][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2677.072752][T16070] fib6_rule_lookup+0x182/0x630 [ 2677.072752][T16070] ip6_route_input+0x59c/0xa50 [ 2677.072752][T16070] ipv6_rcv+0x397/0x810 [ 2677.072752][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2677.072752][T16070] process_backlog+0x101/0x620 [ 2677.072752][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2677.072752][T16070] net_rx_action+0x495/0xbe0 [ 2677.072752][T16070] __do_softirq+0x1b5/0x7f6 [ 2677.072752][T16070] [ 2677.075012][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.075012][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.075012][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.075012][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.075012][T16070] ip6_route_add+0x1c/0x140 [ 2677.075012][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2677.075012][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2677.075012][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2677.075012][T16070] addrconf_dad_begin+0x310/0x670 [ 2677.075012][T16070] addrconf_dad_work+0x10b/0xab0 [ 2677.075012][T16070] process_one_work+0x84d/0x18a0 [ 2677.075012][T16070] worker_thread+0x587/0xd30 [ 2677.075012][T16070] kthread+0x28a/0x350 [ 2677.075012][T16070] ret_from_fork+0x31/0x70 [ 2677.075012][T16070] ret_from_fork_asm+0x1a/0x30 [ 2677.075012][T16070] [ 2677.077312][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.077312][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.077312][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.077312][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.077312][T16070] ip6_route_add+0x1c/0x140 [ 2677.077312][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2677.077312][T16070] inet6_addr_add+0x4f8/0xa40 [ 2677.077312][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.077312][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.077312][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.077312][T16070] netlink_unicast+0x449/0x710 [ 2677.077312][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.077312][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.077312][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.077312][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.077312][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.077312][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.077312][T16070] [ 2677.079834][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.079834][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.079834][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.079834][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.079834][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2677.079834][T16070] ipv6_add_addr+0x411/0x2000 [ 2677.079834][T16070] inet6_addr_add+0x30e/0xa40 [ 2677.079834][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.079834][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.079834][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.079834][T16070] netlink_unicast+0x449/0x710 [ 2677.079834][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.079834][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.079834][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.079834][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.079834][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.079834][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.079834][T16070] [ 2677.082357][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.082357][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.082357][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.082357][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.082357][T16070] ip6_route_add+0x1c/0x140 [ 2677.082357][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2677.082357][T16070] addrconf_add_dev+0xe2/0x170 [ 2677.082357][T16070] inet6_addr_add+0x12f/0xa40 [ 2677.082357][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.082357][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.082357][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.082357][T16070] netlink_unicast+0x449/0x710 [ 2677.082357][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.082357][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.082357][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.082357][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.082357][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.082357][T16070] [ 2677.084813][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.084813][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2677.084813][T16070] ipv6_find_idev+0x102/0x170 [ 2677.084813][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.084813][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.084813][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.084813][T16070] netlink_unicast+0x449/0x710 [ 2677.084813][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.084813][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.084813][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.084813][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.084813][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.084813][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.084813][T16070] [ 2677.086749][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2677.086749][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2677.086749][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2677.086749][T16070] ipv6_find_idev+0x102/0x170 [ 2677.086749][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.086749][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.086749][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.086749][T16070] netlink_unicast+0x449/0x710 [ 2677.086749][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.086749][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.086749][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.086749][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.086749][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.086749][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.086749][T16070] [ 2677.088851][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2677.089180][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2677.089180][T16070] dst_init+0x84/0x4a0 [ 2677.089180][T16070] dst_alloc+0x97/0x150 [ 2677.089180][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.089180][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.089180][T16070] ip6_pol_route+0x56f/0x840 [ 2677.089180][T16070] fib6_rule_lookup+0x334/0x630 [ 2677.089180][T16070] ip6_route_output_flags+0x259/0x480 [ 2677.089180][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2677.089180][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2677.089180][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2677.089180][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2677.089180][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2677.089180][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.089180][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.089180][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.089180][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.089180][T16070] [ 2677.091705][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.091705][T16070] dst_init+0x84/0x4a0 [ 2677.091705][T16070] dst_alloc+0x97/0x150 [ 2677.091705][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.091705][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.091705][T16070] ip6_pol_route+0x56f/0x840 [ 2677.091705][T16070] fib6_rule_lookup+0x334/0x630 [ 2677.091705][T16070] ip6_route_output_flags+0x259/0x480 [ 2677.091705][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2677.091705][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2677.091705][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2677.091705][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2677.091705][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2677.091705][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2677.091705][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2677.091705][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2677.091705][T16070] ip6_input_finish+0x120/0x260 [ 2677.091705][T16070] [ 2677.094182][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.094182][T16070] dst_init+0x84/0x4a0 [ 2677.094182][T16070] dst_alloc+0x97/0x150 [ 2677.094182][T16070] ip6_dst_alloc+0x23/0x90 [ 2677.094182][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2677.094182][T16070] ip6_pol_route+0x56f/0x840 [ 2677.094182][T16070] fib6_rule_lookup+0x456/0x630 [ 2677.094182][T16070] ip6_route_input+0x59c/0xa50 [ 2677.094182][T16070] ipv6_rcv+0x397/0x810 [ 2677.094182][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2677.094182][T16070] process_backlog+0x101/0x620 [ 2677.094182][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2677.094182][T16070] net_rx_action+0x495/0xbe0 [ 2677.094182][T16070] __do_softirq+0x1b5/0x7f6 [ 2677.094182][T16070] [ 2677.096209][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.096209][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.096209][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.096209][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.096209][T16070] ip6_route_add+0x1c/0x140 [ 2677.096209][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2677.096209][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2677.096209][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2677.096209][T16070] addrconf_dad_begin+0x310/0x670 [ 2677.096209][T16070] addrconf_dad_work+0x10b/0xab0 [ 2677.096209][T16070] process_one_work+0x84d/0x18a0 [ 2677.096209][T16070] worker_thread+0x587/0xd30 [ 2677.096209][T16070] kthread+0x28a/0x350 [ 2677.096209][T16070] ret_from_fork+0x31/0x70 [ 2677.096209][T16070] ret_from_fork_asm+0x1a/0x30 [ 2677.096209][T16070] [ 2677.098677][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.098677][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.098677][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.098677][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.098677][T16070] ip6_route_add+0x1c/0x140 [ 2677.098677][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2677.098677][T16070] inet6_addr_add+0x4f8/0xa40 [ 2677.098677][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.098677][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.098677][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.098677][T16070] netlink_unicast+0x449/0x710 [ 2677.098677][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.098677][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.098677][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.098677][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.098677][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.098677][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.098677][T16070] [ 2677.101601][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.101601][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.101601][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.101601][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.101601][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2677.101601][T16070] ipv6_add_addr+0x411/0x2000 [ 2677.101601][T16070] inet6_addr_add+0x30e/0xa40 [ 2677.101601][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.101601][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.101601][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.101601][T16070] netlink_unicast+0x449/0x710 [ 2677.101601][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.101601][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.101601][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.101601][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.101601][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.101601][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.101601][T16070] [ 2677.104405][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.104405][T16070] netdev_get_by_index+0x5e/0x80 [ 2677.104405][T16070] fib6_nh_init+0x3d8/0x1580 [ 2677.104405][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2677.104405][T16070] ip6_route_add+0x1c/0x140 [ 2677.104405][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2677.104405][T16070] addrconf_add_dev+0xe2/0x170 [ 2677.104405][T16070] inet6_addr_add+0x12f/0xa40 [ 2677.104405][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2677.104405][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.104405][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.104405][T16070] netlink_unicast+0x449/0x710 [ 2677.104405][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.104405][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.104405][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.104405][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.104405][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.104405][T16070] [ 2677.107108][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.107108][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2677.107108][T16070] ipv6_find_idev+0x102/0x170 [ 2677.107108][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.107108][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.107108][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.107108][T16070] netlink_unicast+0x449/0x710 [ 2677.107108][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.107108][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.107108][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.107108][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.107108][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.107108][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.107108][T16070] [ 2677.109219][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2677.109219][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2677.109219][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2677.109219][T16070] ipv6_find_idev+0x102/0x170 [ 2677.109219][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2677.109219][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2677.109219][T16070] netlink_rcv_skb+0x130/0x360 [ 2677.109219][T16070] netlink_unicast+0x449/0x710 [ 2677.109219][T16070] netlink_sendmsg+0x723/0xbe0 [ 2677.109219][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2677.109219][T16070] ___sys_sendmsg+0xee/0x170 [ 2677.109219][T16070] __sys_sendmsg+0xcd/0x170 [ 2677.109219][T16070] do_syscall_64+0xc6/0x1e0 [ 2677.109219][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2677.109219][T16070] [ 2686.336933][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2686.337356][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.337356][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.337356][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.337356][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.337356][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.337356][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.337356][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.337356][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.337356][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.337356][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.337356][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.337356][ T74] process_one_work+0x84d/0x18a0 [ 2686.337356][ T74] worker_thread+0x587/0xd30 [ 2686.337356][ T74] kthread+0x28a/0x350 [ 2686.337356][ T74] ret_from_fork+0x31/0x70 [ 2686.337356][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.337356][ T74] [ 2686.339317][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.339317][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.339317][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.339317][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.339317][ T74] ip6_route_add+0x1c/0x140 [ 2686.339317][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.339317][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.339317][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.339317][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.339317][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.339317][ T74] netlink_unicast+0x449/0x710 [ 2686.339317][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.339317][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.339317][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.339317][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.339317][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.339317][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.339317][ T74] [ 2686.341344][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.341344][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.341344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.341344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.341344][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.341344][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.341344][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.341344][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.341344][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.341344][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.341344][ T74] netlink_unicast+0x449/0x710 [ 2686.341344][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.341344][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.341344][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.341344][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.341344][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.341344][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.341344][ T74] [ 2686.343361][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.343361][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.343361][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.343361][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.343361][ T74] ip6_route_add+0x1c/0x140 [ 2686.343361][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.343361][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.343361][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.343361][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.343361][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.343361][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.343361][ T74] netlink_unicast+0x449/0x710 [ 2686.343361][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.343361][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.343361][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.343361][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.343361][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.343361][ T74] [ 2686.345347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.345347][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.345347][ T74] ipv6_find_idev+0x102/0x170 [ 2686.345347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.345347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.345347][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.345347][ T74] netlink_unicast+0x449/0x710 [ 2686.345347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.345347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.345347][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.345347][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.345347][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.345347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.345347][ T74] [ 2686.346897][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2686.346897][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.346897][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.346897][ T74] ipv6_find_idev+0x102/0x170 [ 2686.346897][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.346897][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.346897][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.346897][ T74] netlink_unicast+0x449/0x710 [ 2686.346897][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.346897][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.346897][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.346897][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.346897][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.346897][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.346897][ T74] [ 2686.348625][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2686.348892][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.348892][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.348892][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.348892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.348892][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.348892][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.348892][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.348892][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.348892][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.348892][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.348892][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.348892][ T74] process_one_work+0x84d/0x18a0 [ 2686.348892][ T74] worker_thread+0x587/0xd30 [ 2686.348892][ T74] kthread+0x28a/0x350 [ 2686.348892][ T74] ret_from_fork+0x31/0x70 [ 2686.348892][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.348892][ T74] [ 2686.350842][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.350842][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.350842][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.350842][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.350842][ T74] ip6_route_add+0x1c/0x140 [ 2686.350842][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.350842][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.350842][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.350842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.350842][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.350842][ T74] netlink_unicast+0x449/0x710 [ 2686.350842][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.350842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.350842][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.350842][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.350842][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.350842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.350842][ T74] [ 2686.352862][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.352862][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.352862][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.352862][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.352862][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.352862][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.352862][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.352862][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.352862][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.352862][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.352862][ T74] netlink_unicast+0x449/0x710 [ 2686.352862][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.352862][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.352862][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.352862][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.352862][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.352862][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.352862][ T74] [ 2686.354869][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.354869][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.354869][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.354869][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.354869][ T74] ip6_route_add+0x1c/0x140 [ 2686.354869][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.354869][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.354869][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.354869][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.354869][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.354869][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.354869][ T74] netlink_unicast+0x449/0x710 [ 2686.354869][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.354869][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.354869][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.354869][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.354869][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.354869][ T74] [ 2686.356879][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.356879][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.356879][ T74] ipv6_find_idev+0x102/0x170 [ 2686.356879][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.356879][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.356879][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.356879][ T74] netlink_unicast+0x449/0x710 [ 2686.356879][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.356879][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.356879][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.356879][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.356879][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.356879][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.356879][ T74] [ 2686.358452][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2686.358452][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.358452][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.358452][ T74] ipv6_find_idev+0x102/0x170 [ 2686.358452][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.358452][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.358452][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.358452][ T74] netlink_unicast+0x449/0x710 [ 2686.358452][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.358452][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.358452][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.358452][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.358452][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.358452][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.358452][ T74] [ 2686.360183][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2686.360426][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.360426][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.360426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.360426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.360426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.360426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.360426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.360426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.360426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.360426][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.360426][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.360426][ T74] process_one_work+0x84d/0x18a0 [ 2686.360426][ T74] worker_thread+0x587/0xd30 [ 2686.360426][ T74] kthread+0x28a/0x350 [ 2686.360426][ T74] ret_from_fork+0x31/0x70 [ 2686.360426][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.360426][ T74] [ 2686.362358][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.362358][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.362358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.362358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.362358][ T74] ip6_route_add+0x1c/0x140 [ 2686.362358][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.362358][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.362358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.362358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.362358][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.362358][ T74] netlink_unicast+0x449/0x710 [ 2686.362358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.362358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.362358][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.362358][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.362358][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.362358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.362358][ T74] [ 2686.364684][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.364684][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.364684][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.364684][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.364684][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.364684][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.364684][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.364684][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.364684][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.364684][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.364684][ T74] netlink_unicast+0x449/0x710 [ 2686.364684][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.364684][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.364684][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.364684][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.364684][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.364684][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.364684][ T74] [ 2686.366883][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.366883][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.366883][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.366883][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.366883][ T74] ip6_route_add+0x1c/0x140 [ 2686.366883][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.366883][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.366883][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.366883][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.366883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.366883][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.366883][ T74] netlink_unicast+0x449/0x710 [ 2686.366883][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.366883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.366883][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.366883][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.366883][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.366883][ T74] [ 2686.369116][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.369116][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.369116][ T74] ipv6_find_idev+0x102/0x170 [ 2686.369116][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.369116][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.369116][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.369116][ T74] netlink_unicast+0x449/0x710 [ 2686.369116][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.369116][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.369116][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.369116][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.369116][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.369116][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.369116][ T74] [ 2686.370872][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2686.370872][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.370872][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.370872][ T74] ipv6_find_idev+0x102/0x170 [ 2686.370872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.370872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.370872][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.370872][ T74] netlink_unicast+0x449/0x710 [ 2686.370872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.370872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.370872][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.370872][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.370872][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.370872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.370872][ T74] [ 2686.372762][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2686.373515][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.373515][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.373515][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.373515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.373515][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2686.373515][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2686.373515][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2686.373515][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2686.373515][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2686.373515][ T74] addrconf_dad_begin+0x310/0x670 [ 2686.373515][ T74] addrconf_dad_work+0x10b/0xab0 [ 2686.373515][ T74] process_one_work+0x84d/0x18a0 [ 2686.373515][ T74] worker_thread+0x587/0xd30 [ 2686.373515][ T74] kthread+0x28a/0x350 [ 2686.373515][ T74] ret_from_fork+0x31/0x70 [ 2686.373515][ T74] ret_from_fork_asm+0x1a/0x30 [ 2686.373515][ T74] [ 2686.375436][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.375436][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.375436][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.375436][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.375436][ T74] ip6_route_add+0x1c/0x140 [ 2686.375436][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2686.375436][ T74] inet6_addr_add+0x4f8/0xa40 [ 2686.375436][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.375436][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.375436][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.375436][ T74] netlink_unicast+0x449/0x710 [ 2686.375436][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.375436][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.375436][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.375436][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.375436][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.375436][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.375436][ T74] [ 2686.377454][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.377454][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.377454][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.377454][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.377454][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2686.377454][ T74] ipv6_add_addr+0x411/0x2000 [ 2686.377454][ T74] inet6_addr_add+0x30e/0xa40 [ 2686.377454][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.377454][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.377454][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.377454][ T74] netlink_unicast+0x449/0x710 [ 2686.377454][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.377454][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.377454][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.377454][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.377454][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.377454][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.377454][ T74] [ 2686.379787][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.379787][ T74] netdev_get_by_index+0x5e/0x80 [ 2686.379787][ T74] fib6_nh_init+0x3d8/0x1580 [ 2686.379787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2686.379787][ T74] ip6_route_add+0x1c/0x140 [ 2686.379787][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2686.379787][ T74] addrconf_add_dev+0xe2/0x170 [ 2686.379787][ T74] inet6_addr_add+0x12f/0xa40 [ 2686.379787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2686.379787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.379787][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.379787][ T74] netlink_unicast+0x449/0x710 [ 2686.379787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.379787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.379787][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.379787][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.379787][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.379787][ T74] [ 2686.382007][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.382007][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2686.382007][ T74] ipv6_find_idev+0x102/0x170 [ 2686.382007][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.382007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.382007][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.382007][ T74] netlink_unicast+0x449/0x710 [ 2686.382007][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.382007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.382007][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.382007][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.382007][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.382007][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.382007][ T74] [ 2686.383750][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2686.383750][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2686.383750][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2686.383750][ T74] ipv6_find_idev+0x102/0x170 [ 2686.383750][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2686.383750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2686.383750][ T74] netlink_rcv_skb+0x130/0x360 [ 2686.383750][ T74] netlink_unicast+0x449/0x710 [ 2686.383750][ T74] netlink_sendmsg+0x723/0xbe0 [ 2686.383750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2686.383750][ T74] ___sys_sendmsg+0xee/0x170 [ 2686.383750][ T74] __sys_sendmsg+0xcd/0x170 [ 2686.383750][ T74] do_syscall_64+0xc6/0x1e0 [ 2686.383750][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2686.383750][ T74] [ 2687.361006][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2687.361531][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2687.361531][T16070] dst_init+0x84/0x4a0 [ 2687.361531][T16070] dst_alloc+0x97/0x150 [ 2687.361531][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.361531][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.361531][T16070] ip6_pol_route+0x56f/0x840 [ 2687.361531][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2687.361531][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2687.361531][T16070] fib6_rule_lookup+0x182/0x630 [ 2687.361531][T16070] ip6_route_output_flags+0x259/0x480 [ 2687.361531][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2687.361531][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2687.361531][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2687.361531][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2687.361531][T16070] ip6_datagram_connect+0x2c/0x50 [ 2687.361531][T16070] __sys_connect+0x217/0x2a0 [ 2687.361531][T16070] __x64_sys_connect+0x72/0xb0 [ 2687.361531][T16070] [ 2687.364105][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2687.364105][T16070] dst_init+0x84/0x4a0 [ 2687.364105][T16070] dst_alloc+0x97/0x150 [ 2687.364105][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.364105][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.364105][T16070] ip6_pol_route+0x56f/0x840 [ 2687.364105][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2687.364105][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2687.364105][T16070] fib6_rule_lookup+0x182/0x630 [ 2687.364105][T16070] ip6_route_output_flags+0x259/0x480 [ 2687.364105][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2687.364105][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2687.364105][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2687.364105][T16070] __inet_stream_connect+0x272/0x9f0 [ 2687.364105][T16070] inet_stream_connect+0x57/0xa0 [ 2687.364105][T16070] __sys_connect+0x217/0x2a0 [ 2687.364105][T16070] __x64_sys_connect+0x72/0xb0 [ 2687.364105][T16070] [ 2687.366642][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.366642][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2687.366642][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2687.366642][T16070] fib6_nh_init+0xa22/0x1580 [ 2687.366642][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.366642][T16070] ip6_route_add+0x1c/0x140 [ 2687.366642][T16070] inet6_rtm_newroute+0x104/0x110 [ 2687.366642][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.366642][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.366642][T16070] netlink_unicast+0x449/0x710 [ 2687.366642][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.366642][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.366642][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.366642][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.366642][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.366642][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.366642][T16070] [ 2687.368976][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.368976][T16070] dst_init+0x84/0x4a0 [ 2687.368976][T16070] dst_alloc+0x97/0x150 [ 2687.368976][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.368976][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.368976][T16070] ip6_pol_route+0x56f/0x840 [ 2687.368976][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2687.368976][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2687.368976][T16070] fib6_rule_lookup+0x182/0x630 [ 2687.368976][T16070] ip6_route_input+0x59c/0xa50 [ 2687.368976][T16070] ipv6_rcv+0x397/0x810 [ 2687.368976][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2687.368976][T16070] process_backlog+0x101/0x620 [ 2687.368976][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2687.368976][T16070] net_rx_action+0x495/0xbe0 [ 2687.368976][T16070] __do_softirq+0x1b5/0x7f6 [ 2687.368976][T16070] [ 2687.371288][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.371288][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.371288][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.371288][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.371288][T16070] ip6_route_add+0x1c/0x140 [ 2687.371288][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2687.371288][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2687.371288][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2687.371288][T16070] addrconf_dad_begin+0x310/0x670 [ 2687.371288][T16070] addrconf_dad_work+0x10b/0xab0 [ 2687.371288][T16070] process_one_work+0x84d/0x18a0 [ 2687.371288][T16070] worker_thread+0x587/0xd30 [ 2687.371288][T16070] kthread+0x28a/0x350 [ 2687.371288][T16070] ret_from_fork+0x31/0x70 [ 2687.371288][T16070] ret_from_fork_asm+0x1a/0x30 [ 2687.371288][T16070] [ 2687.373507][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.373507][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.373507][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.373507][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.373507][T16070] ip6_route_add+0x1c/0x140 [ 2687.373507][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2687.373507][T16070] inet6_addr_add+0x4f8/0xa40 [ 2687.373507][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.373507][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.373507][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.373507][T16070] netlink_unicast+0x449/0x710 [ 2687.373507][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.373507][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.373507][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.373507][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.373507][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.373507][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.373507][T16070] [ 2687.375984][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.375984][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.375984][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.375984][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.375984][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2687.375984][T16070] ipv6_add_addr+0x411/0x2000 [ 2687.375984][T16070] inet6_addr_add+0x30e/0xa40 [ 2687.375984][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.375984][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.375984][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.375984][T16070] netlink_unicast+0x449/0x710 [ 2687.375984][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.375984][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.375984][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.375984][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.375984][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.375984][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.375984][T16070] [ 2687.378458][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.378458][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.378458][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.378458][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.378458][T16070] ip6_route_add+0x1c/0x140 [ 2687.378458][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2687.378458][T16070] addrconf_add_dev+0xe2/0x170 [ 2687.378458][T16070] inet6_addr_add+0x12f/0xa40 [ 2687.378458][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.378458][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.378458][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.378458][T16070] netlink_unicast+0x449/0x710 [ 2687.378458][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.378458][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.378458][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.378458][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.378458][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.378458][T16070] [ 2687.380907][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.380907][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2687.380907][T16070] ipv6_find_idev+0x102/0x170 [ 2687.380907][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.380907][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.380907][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.380907][T16070] netlink_unicast+0x449/0x710 [ 2687.380907][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.380907][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.380907][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.380907][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.380907][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.380907][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.380907][T16070] [ 2687.382803][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2687.382803][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2687.382803][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2687.382803][T16070] ipv6_find_idev+0x102/0x170 [ 2687.382803][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.382803][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.382803][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.382803][T16070] netlink_unicast+0x449/0x710 [ 2687.382803][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.382803][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.382803][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.382803][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.382803][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.382803][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.382803][T16070] [ 2687.384896][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2687.385221][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2687.385221][T16070] dst_init+0x84/0x4a0 [ 2687.385221][T16070] dst_alloc+0x97/0x150 [ 2687.385221][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.385221][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.385221][T16070] ip6_pol_route+0x56f/0x840 [ 2687.385221][T16070] fib6_rule_lookup+0x334/0x630 [ 2687.385221][T16070] ip6_route_output_flags+0x259/0x480 [ 2687.385221][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2687.385221][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2687.385221][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2687.385221][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2687.385221][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2687.385221][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.385221][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.385221][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.385221][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.385221][T16070] [ 2687.387671][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.387671][T16070] dst_init+0x84/0x4a0 [ 2687.387671][T16070] dst_alloc+0x97/0x150 [ 2687.387671][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.387671][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.387671][T16070] ip6_pol_route+0x56f/0x840 [ 2687.387671][T16070] fib6_rule_lookup+0x334/0x630 [ 2687.387671][T16070] ip6_route_output_flags+0x259/0x480 [ 2687.387671][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2687.387671][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2687.387671][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2687.387671][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2687.387671][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2687.387671][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2687.387671][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2687.387671][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2687.387671][T16070] ip6_input_finish+0x120/0x260 [ 2687.387671][T16070] [ 2687.390212][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.390212][T16070] dst_init+0x84/0x4a0 [ 2687.390212][T16070] dst_alloc+0x97/0x150 [ 2687.390212][T16070] ip6_dst_alloc+0x23/0x90 [ 2687.390212][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2687.390212][T16070] ip6_pol_route+0x56f/0x840 [ 2687.390212][T16070] fib6_rule_lookup+0x456/0x630 [ 2687.390212][T16070] ip6_route_input+0x59c/0xa50 [ 2687.390212][T16070] ipv6_rcv+0x397/0x810 [ 2687.390212][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2687.390212][T16070] process_backlog+0x101/0x620 [ 2687.390212][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2687.390212][T16070] net_rx_action+0x495/0xbe0 [ 2687.390212][T16070] __do_softirq+0x1b5/0x7f6 [ 2687.390212][T16070] [ 2687.392256][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.392256][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.392256][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.392256][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.392256][T16070] ip6_route_add+0x1c/0x140 [ 2687.392256][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2687.392256][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2687.392256][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2687.392256][T16070] addrconf_dad_begin+0x310/0x670 [ 2687.392256][T16070] addrconf_dad_work+0x10b/0xab0 [ 2687.392256][T16070] process_one_work+0x84d/0x18a0 [ 2687.392256][T16070] worker_thread+0x587/0xd30 [ 2687.392256][T16070] kthread+0x28a/0x350 [ 2687.392256][T16070] ret_from_fork+0x31/0x70 [ 2687.392256][T16070] ret_from_fork_asm+0x1a/0x30 [ 2687.392256][T16070] [ 2687.394734][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.394734][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.394734][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.394734][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.394734][T16070] ip6_route_add+0x1c/0x140 [ 2687.394734][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2687.394734][T16070] inet6_addr_add+0x4f8/0xa40 [ 2687.394734][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.394734][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.394734][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.394734][T16070] netlink_unicast+0x449/0x710 [ 2687.394734][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.394734][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.394734][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.394734][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.394734][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.394734][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.394734][T16070] [ 2687.397629][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.397629][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.397629][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.397629][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.397629][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2687.397629][T16070] ipv6_add_addr+0x411/0x2000 [ 2687.397629][T16070] inet6_addr_add+0x30e/0xa40 [ 2687.397629][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.397629][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.397629][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.397629][T16070] netlink_unicast+0x449/0x710 [ 2687.397629][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.397629][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.397629][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.397629][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.397629][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.397629][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.397629][T16070] [ 2687.400429][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.400429][T16070] netdev_get_by_index+0x5e/0x80 [ 2687.400429][T16070] fib6_nh_init+0x3d8/0x1580 [ 2687.400429][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2687.400429][T16070] ip6_route_add+0x1c/0x140 [ 2687.400429][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2687.400429][T16070] addrconf_add_dev+0xe2/0x170 [ 2687.400429][T16070] inet6_addr_add+0x12f/0xa40 [ 2687.400429][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2687.400429][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.400429][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.400429][T16070] netlink_unicast+0x449/0x710 [ 2687.400429][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.400429][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.400429][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.400429][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.400429][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.400429][T16070] [ 2687.403090][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.403090][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2687.403090][T16070] ipv6_find_idev+0x102/0x170 [ 2687.403090][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.403090][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.403090][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.403090][T16070] netlink_unicast+0x449/0x710 [ 2687.403090][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.403090][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.403090][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.403090][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.403090][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.403090][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.403090][T16070] [ 2687.405218][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2687.405218][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2687.405218][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2687.405218][T16070] ipv6_find_idev+0x102/0x170 [ 2687.405218][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2687.405218][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2687.405218][T16070] netlink_rcv_skb+0x130/0x360 [ 2687.405218][T16070] netlink_unicast+0x449/0x710 [ 2687.405218][T16070] netlink_sendmsg+0x723/0xbe0 [ 2687.405218][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2687.405218][T16070] ___sys_sendmsg+0xee/0x170 [ 2687.405218][T16070] __sys_sendmsg+0xcd/0x170 [ 2687.405218][T16070] do_syscall_64+0xc6/0x1e0 [ 2687.405218][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2687.405218][T16070] [ 2696.624934][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2696.625347][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.625347][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.625347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.625347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.625347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2696.625347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2696.625347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2696.625347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2696.625347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2696.625347][ T74] addrconf_dad_begin+0x310/0x670 [ 2696.625347][ T74] addrconf_dad_work+0x10b/0xab0 [ 2696.625347][ T74] process_one_work+0x84d/0x18a0 [ 2696.625347][ T74] worker_thread+0x587/0xd30 [ 2696.625347][ T74] kthread+0x28a/0x350 [ 2696.625347][ T74] ret_from_fork+0x31/0x70 [ 2696.625347][ T74] ret_from_fork_asm+0x1a/0x30 [ 2696.625347][ T74] [ 2696.627314][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.627314][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.627314][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.627314][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.627314][ T74] ip6_route_add+0x1c/0x140 [ 2696.627314][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2696.627314][ T74] inet6_addr_add+0x4f8/0xa40 [ 2696.627314][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.627314][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.627314][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.627314][ T74] netlink_unicast+0x449/0x710 [ 2696.627314][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.627314][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.627314][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.627314][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.627314][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.627314][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.627314][ T74] [ 2696.629345][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.629345][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.629345][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.629345][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.629345][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2696.629345][ T74] ipv6_add_addr+0x411/0x2000 [ 2696.629345][ T74] inet6_addr_add+0x30e/0xa40 [ 2696.629345][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.629345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.629345][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.629345][ T74] netlink_unicast+0x449/0x710 [ 2696.629345][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.629345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.629345][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.629345][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.629345][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.629345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.629345][ T74] [ 2696.631362][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.631362][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.631362][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.631362][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.631362][ T74] ip6_route_add+0x1c/0x140 [ 2696.631362][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2696.631362][ T74] addrconf_add_dev+0xe2/0x170 [ 2696.631362][ T74] inet6_addr_add+0x12f/0xa40 [ 2696.631362][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.631362][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.631362][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.631362][ T74] netlink_unicast+0x449/0x710 [ 2696.631362][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.631362][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.631362][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.631362][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.631362][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.631362][ T74] [ 2696.633354][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.633354][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2696.633354][ T74] ipv6_find_idev+0x102/0x170 [ 2696.633354][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.633354][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.633354][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.633354][ T74] netlink_unicast+0x449/0x710 [ 2696.633354][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.633354][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.633354][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.633354][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.633354][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.633354][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.633354][ T74] [ 2696.634918][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2696.634918][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2696.634918][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2696.634918][ T74] ipv6_find_idev+0x102/0x170 [ 2696.634918][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.634918][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.634918][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.634918][ T74] netlink_unicast+0x449/0x710 [ 2696.634918][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.634918][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.634918][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.634918][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.634918][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.634918][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.634918][ T74] [ 2696.636652][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2696.636914][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.636914][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.636914][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.636914][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.636914][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2696.636914][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2696.636914][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2696.636914][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2696.636914][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2696.636914][ T74] addrconf_dad_begin+0x310/0x670 [ 2696.636914][ T74] addrconf_dad_work+0x10b/0xab0 [ 2696.636914][ T74] process_one_work+0x84d/0x18a0 [ 2696.636914][ T74] worker_thread+0x587/0xd30 [ 2696.636914][ T74] kthread+0x28a/0x350 [ 2696.636914][ T74] ret_from_fork+0x31/0x70 [ 2696.636914][ T74] ret_from_fork_asm+0x1a/0x30 [ 2696.636914][ T74] [ 2696.638856][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.638856][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.638856][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.638856][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.638856][ T74] ip6_route_add+0x1c/0x140 [ 2696.638856][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2696.638856][ T74] inet6_addr_add+0x4f8/0xa40 [ 2696.638856][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.638856][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.638856][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.638856][ T74] netlink_unicast+0x449/0x710 [ 2696.638856][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.638856][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.638856][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.638856][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.638856][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.638856][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.638856][ T74] [ 2696.640917][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.640917][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.640917][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.640917][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.640917][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2696.640917][ T74] ipv6_add_addr+0x411/0x2000 [ 2696.640917][ T74] inet6_addr_add+0x30e/0xa40 [ 2696.640917][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.640917][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.640917][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.640917][ T74] netlink_unicast+0x449/0x710 [ 2696.640917][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.640917][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.640917][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.640917][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.640917][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.640917][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.640917][ T74] [ 2696.642933][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.642933][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.642933][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.642933][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.642933][ T74] ip6_route_add+0x1c/0x140 [ 2696.642933][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2696.642933][ T74] addrconf_add_dev+0xe2/0x170 [ 2696.642933][ T74] inet6_addr_add+0x12f/0xa40 [ 2696.642933][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.642933][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.642933][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.642933][ T74] netlink_unicast+0x449/0x710 [ 2696.642933][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.642933][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.642933][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.642933][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.642933][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.642933][ T74] [ 2696.644916][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.644916][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2696.644916][ T74] ipv6_find_idev+0x102/0x170 [ 2696.644916][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.644916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.644916][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.644916][ T74] netlink_unicast+0x449/0x710 [ 2696.644916][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.644916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.644916][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.644916][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.644916][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.644916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.644916][ T74] [ 2696.646468][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2696.646468][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2696.646468][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2696.646468][ T74] ipv6_find_idev+0x102/0x170 [ 2696.646468][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.646468][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.646468][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.646468][ T74] netlink_unicast+0x449/0x710 [ 2696.646468][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.646468][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.646468][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.646468][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.646468][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.646468][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.646468][ T74] [ 2696.648184][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2696.648426][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.648426][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.648426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.648426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.648426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2696.648426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2696.648426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2696.648426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2696.648426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2696.648426][ T74] addrconf_dad_begin+0x310/0x670 [ 2696.648426][ T74] addrconf_dad_work+0x10b/0xab0 [ 2696.648426][ T74] process_one_work+0x84d/0x18a0 [ 2696.648426][ T74] worker_thread+0x587/0xd30 [ 2696.648426][ T74] kthread+0x28a/0x350 [ 2696.648426][ T74] ret_from_fork+0x31/0x70 [ 2696.648426][ T74] ret_from_fork_asm+0x1a/0x30 [ 2696.648426][ T74] [ 2696.650352][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.650352][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.650352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.650352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.650352][ T74] ip6_route_add+0x1c/0x140 [ 2696.650352][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2696.650352][ T74] inet6_addr_add+0x4f8/0xa40 [ 2696.650352][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.650352][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.650352][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.650352][ T74] netlink_unicast+0x449/0x710 [ 2696.650352][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.650352][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.650352][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.650352][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.650352][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.650352][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.650352][ T74] [ 2696.652738][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.652738][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.652738][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.652738][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.652738][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2696.652738][ T74] ipv6_add_addr+0x411/0x2000 [ 2696.652738][ T74] inet6_addr_add+0x30e/0xa40 [ 2696.652738][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.652738][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.652738][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.652738][ T74] netlink_unicast+0x449/0x710 [ 2696.652738][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.652738][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.652738][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.652738][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.652738][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.652738][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.652738][ T74] [ 2696.654954][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.654954][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.654954][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.654954][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.654954][ T74] ip6_route_add+0x1c/0x140 [ 2696.654954][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2696.654954][ T74] addrconf_add_dev+0xe2/0x170 [ 2696.654954][ T74] inet6_addr_add+0x12f/0xa40 [ 2696.654954][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.654954][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.654954][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.654954][ T74] netlink_unicast+0x449/0x710 [ 2696.654954][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.654954][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.654954][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.654954][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.654954][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.654954][ T74] [ 2696.657239][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.657239][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2696.657239][ T74] ipv6_find_idev+0x102/0x170 [ 2696.657239][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.657239][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.657239][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.657239][ T74] netlink_unicast+0x449/0x710 [ 2696.657239][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.657239][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.657239][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.657239][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.657239][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.657239][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.657239][ T74] [ 2696.658977][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2696.658977][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2696.658977][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2696.658977][ T74] ipv6_find_idev+0x102/0x170 [ 2696.658977][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.658977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.658977][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.658977][ T74] netlink_unicast+0x449/0x710 [ 2696.658977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.658977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.658977][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.658977][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.658977][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.658977][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.658977][ T74] [ 2696.660898][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2696.661226][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.661226][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.661226][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.661226][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.661226][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2696.661226][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2696.661226][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2696.661226][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2696.661226][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2696.661226][ T74] addrconf_dad_begin+0x310/0x670 [ 2696.661226][ T74] addrconf_dad_work+0x10b/0xab0 [ 2696.661226][ T74] process_one_work+0x84d/0x18a0 [ 2696.661226][ T74] worker_thread+0x587/0xd30 [ 2696.661226][ T74] kthread+0x28a/0x350 [ 2696.661226][ T74] ret_from_fork+0x31/0x70 [ 2696.661226][ T74] ret_from_fork_asm+0x1a/0x30 [ 2696.661226][ T74] [ 2696.663298][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.663298][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.663298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.663298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.663298][ T74] ip6_route_add+0x1c/0x140 [ 2696.663298][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2696.663298][ T74] inet6_addr_add+0x4f8/0xa40 [ 2696.663298][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.663298][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.663298][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.663298][ T74] netlink_unicast+0x449/0x710 [ 2696.663298][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.663298][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.663298][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.663298][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.663298][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.663298][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.663298][ T74] [ 2696.666136][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.666136][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.666136][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.666136][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.666136][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2696.666136][ T74] ipv6_add_addr+0x411/0x2000 [ 2696.666136][ T74] inet6_addr_add+0x30e/0xa40 [ 2696.666136][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.666136][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.666136][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.666136][ T74] netlink_unicast+0x449/0x710 [ 2696.666136][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.666136][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.666136][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.666136][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.666136][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.666136][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.666136][ T74] [ 2696.668390][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.668390][ T74] netdev_get_by_index+0x5e/0x80 [ 2696.668390][ T74] fib6_nh_init+0x3d8/0x1580 [ 2696.668390][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2696.668390][ T74] ip6_route_add+0x1c/0x140 [ 2696.668390][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2696.668390][ T74] addrconf_add_dev+0xe2/0x170 [ 2696.668390][ T74] inet6_addr_add+0x12f/0xa40 [ 2696.668390][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2696.668390][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.668390][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.668390][ T74] netlink_unicast+0x449/0x710 [ 2696.668390][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.668390][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.668390][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.668390][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.668390][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.668390][ T74] [ 2696.670618][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.670618][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2696.670618][ T74] ipv6_find_idev+0x102/0x170 [ 2696.670618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.670618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.670618][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.670618][ T74] netlink_unicast+0x449/0x710 [ 2696.670618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.670618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.670618][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.670618][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.670618][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.670618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.670618][ T74] [ 2696.672347][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2696.672347][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2696.672347][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2696.672347][ T74] ipv6_find_idev+0x102/0x170 [ 2696.672347][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2696.672347][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2696.672347][ T74] netlink_rcv_skb+0x130/0x360 [ 2696.672347][ T74] netlink_unicast+0x449/0x710 [ 2696.672347][ T74] netlink_sendmsg+0x723/0xbe0 [ 2696.672347][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2696.672347][ T74] ___sys_sendmsg+0xee/0x170 [ 2696.672347][ T74] __sys_sendmsg+0xcd/0x170 [ 2696.672347][ T74] do_syscall_64+0xc6/0x1e0 [ 2696.672347][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2696.672347][ T74] [ 2697.440895][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2697.441400][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2697.441400][T16070] dst_init+0x84/0x4a0 [ 2697.441400][T16070] dst_alloc+0x97/0x150 [ 2697.441400][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.441400][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.441400][T16070] ip6_pol_route+0x56f/0x840 [ 2697.441400][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2697.441400][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2697.441400][T16070] fib6_rule_lookup+0x182/0x630 [ 2697.441400][T16070] ip6_route_output_flags+0x259/0x480 [ 2697.441400][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2697.441400][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2697.441400][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2697.441400][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2697.441400][T16070] ip6_datagram_connect+0x2c/0x50 [ 2697.441400][T16070] __sys_connect+0x217/0x2a0 [ 2697.441400][T16070] __x64_sys_connect+0x72/0xb0 [ 2697.441400][T16070] [ 2697.443986][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2697.443986][T16070] dst_init+0x84/0x4a0 [ 2697.443986][T16070] dst_alloc+0x97/0x150 [ 2697.443986][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.443986][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.443986][T16070] ip6_pol_route+0x56f/0x840 [ 2697.443986][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2697.443986][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2697.443986][T16070] fib6_rule_lookup+0x182/0x630 [ 2697.443986][T16070] ip6_route_output_flags+0x259/0x480 [ 2697.443986][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2697.443986][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2697.443986][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2697.443986][T16070] __inet_stream_connect+0x272/0x9f0 [ 2697.443986][T16070] inet_stream_connect+0x57/0xa0 [ 2697.443986][T16070] __sys_connect+0x217/0x2a0 [ 2697.443986][T16070] __x64_sys_connect+0x72/0xb0 [ 2697.443986][T16070] [ 2697.446489][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.446489][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2697.446489][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2697.446489][T16070] fib6_nh_init+0xa22/0x1580 [ 2697.446489][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.446489][T16070] ip6_route_add+0x1c/0x140 [ 2697.446489][T16070] inet6_rtm_newroute+0x104/0x110 [ 2697.446489][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.446489][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.446489][T16070] netlink_unicast+0x449/0x710 [ 2697.446489][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.446489][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.446489][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.446489][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.446489][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.446489][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.446489][T16070] [ 2697.448805][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.448805][T16070] dst_init+0x84/0x4a0 [ 2697.448805][T16070] dst_alloc+0x97/0x150 [ 2697.448805][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.448805][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.448805][T16070] ip6_pol_route+0x56f/0x840 [ 2697.448805][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2697.448805][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2697.448805][T16070] fib6_rule_lookup+0x182/0x630 [ 2697.448805][T16070] ip6_route_input+0x59c/0xa50 [ 2697.448805][T16070] ipv6_rcv+0x397/0x810 [ 2697.448805][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.448805][T16070] process_backlog+0x101/0x620 [ 2697.448805][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2697.448805][T16070] net_rx_action+0x495/0xbe0 [ 2697.448805][T16070] __do_softirq+0x1b5/0x7f6 [ 2697.448805][T16070] [ 2697.451134][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.451134][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.451134][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.451134][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.451134][T16070] ip6_route_add+0x1c/0x140 [ 2697.451134][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2697.451134][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2697.451134][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2697.451134][T16070] addrconf_dad_begin+0x310/0x670 [ 2697.451134][T16070] addrconf_dad_work+0x10b/0xab0 [ 2697.451134][T16070] process_one_work+0x84d/0x18a0 [ 2697.451134][T16070] worker_thread+0x587/0xd30 [ 2697.451134][T16070] kthread+0x28a/0x350 [ 2697.451134][T16070] ret_from_fork+0x31/0x70 [ 2697.451134][T16070] ret_from_fork_asm+0x1a/0x30 [ 2697.451134][T16070] [ 2697.453351][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.453351][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.453351][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.453351][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.453351][T16070] ip6_route_add+0x1c/0x140 [ 2697.453351][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2697.453351][T16070] inet6_addr_add+0x4f8/0xa40 [ 2697.453351][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.453351][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.453351][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.453351][T16070] netlink_unicast+0x449/0x710 [ 2697.453351][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.453351][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.453351][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.453351][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.453351][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.453351][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.453351][T16070] [ 2697.455832][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.455832][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.455832][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.455832][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.455832][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2697.455832][T16070] ipv6_add_addr+0x411/0x2000 [ 2697.455832][T16070] inet6_addr_add+0x30e/0xa40 [ 2697.455832][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.455832][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.455832][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.455832][T16070] netlink_unicast+0x449/0x710 [ 2697.455832][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.455832][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.455832][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.455832][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.455832][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.455832][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.455832][T16070] [ 2697.458302][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.458302][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.458302][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.458302][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.458302][T16070] ip6_route_add+0x1c/0x140 [ 2697.458302][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.458302][T16070] addrconf_add_dev+0xe2/0x170 [ 2697.458302][T16070] inet6_addr_add+0x12f/0xa40 [ 2697.458302][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.458302][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.458302][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.458302][T16070] netlink_unicast+0x449/0x710 [ 2697.458302][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.458302][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.458302][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.458302][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.458302][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.458302][T16070] [ 2697.460768][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.460768][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2697.460768][T16070] ipv6_find_idev+0x102/0x170 [ 2697.460768][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.460768][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.460768][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.460768][T16070] netlink_unicast+0x449/0x710 [ 2697.460768][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.460768][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.460768][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.460768][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.460768][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.460768][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.460768][T16070] [ 2697.462726][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2697.462726][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2697.462726][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2697.462726][T16070] ipv6_find_idev+0x102/0x170 [ 2697.462726][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.462726][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.462726][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.462726][T16070] netlink_unicast+0x449/0x710 [ 2697.462726][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.462726][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.462726][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.462726][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.462726][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.462726][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.462726][T16070] [ 2697.464833][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2697.465193][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2697.465193][T16070] dst_init+0x84/0x4a0 [ 2697.465193][T16070] dst_alloc+0x97/0x150 [ 2697.465193][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.465193][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.465193][T16070] ip6_pol_route+0x56f/0x840 [ 2697.465193][T16070] fib6_rule_lookup+0x334/0x630 [ 2697.465193][T16070] ip6_route_output_flags+0x259/0x480 [ 2697.465193][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2697.465193][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2697.465193][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2697.465193][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2697.465193][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2697.465193][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.465193][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.465193][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.465193][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.465193][T16070] [ 2697.467709][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.467709][T16070] dst_init+0x84/0x4a0 [ 2697.467709][T16070] dst_alloc+0x97/0x150 [ 2697.467709][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.467709][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.467709][T16070] ip6_pol_route+0x56f/0x840 [ 2697.467709][T16070] fib6_rule_lookup+0x334/0x630 [ 2697.467709][T16070] ip6_route_output_flags+0x259/0x480 [ 2697.467709][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2697.467709][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2697.467709][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2697.467709][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2697.467709][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2697.467709][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2697.467709][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2697.467709][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2697.467709][T16070] ip6_input_finish+0x120/0x260 [ 2697.467709][T16070] [ 2697.470255][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.470255][T16070] dst_init+0x84/0x4a0 [ 2697.470255][T16070] dst_alloc+0x97/0x150 [ 2697.470255][T16070] ip6_dst_alloc+0x23/0x90 [ 2697.470255][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2697.470255][T16070] ip6_pol_route+0x56f/0x840 [ 2697.470255][T16070] fib6_rule_lookup+0x456/0x630 [ 2697.470255][T16070] ip6_route_input+0x59c/0xa50 [ 2697.470255][T16070] ipv6_rcv+0x397/0x810 [ 2697.470255][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2697.470255][T16070] process_backlog+0x101/0x620 [ 2697.470255][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2697.470255][T16070] net_rx_action+0x495/0xbe0 [ 2697.470255][T16070] __do_softirq+0x1b5/0x7f6 [ 2697.470255][T16070] [ 2697.472275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.472275][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.472275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.472275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.472275][T16070] ip6_route_add+0x1c/0x140 [ 2697.472275][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2697.472275][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2697.472275][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2697.472275][T16070] addrconf_dad_begin+0x310/0x670 [ 2697.472275][T16070] addrconf_dad_work+0x10b/0xab0 [ 2697.472275][T16070] process_one_work+0x84d/0x18a0 [ 2697.472275][T16070] worker_thread+0x587/0xd30 [ 2697.472275][T16070] kthread+0x28a/0x350 [ 2697.472275][T16070] ret_from_fork+0x31/0x70 [ 2697.472275][T16070] ret_from_fork_asm+0x1a/0x30 [ 2697.472275][T16070] [ 2697.474662][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.474662][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.474662][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.474662][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.474662][T16070] ip6_route_add+0x1c/0x140 [ 2697.474662][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2697.474662][T16070] inet6_addr_add+0x4f8/0xa40 [ 2697.474662][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.474662][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.474662][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.474662][T16070] netlink_unicast+0x449/0x710 [ 2697.474662][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.474662][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.474662][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.474662][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.474662][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.474662][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.474662][T16070] [ 2697.477374][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.477374][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.477374][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.477374][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.477374][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2697.477374][T16070] ipv6_add_addr+0x411/0x2000 [ 2697.477374][T16070] inet6_addr_add+0x30e/0xa40 [ 2697.477374][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.477374][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.477374][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.477374][T16070] netlink_unicast+0x449/0x710 [ 2697.477374][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.477374][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.477374][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.477374][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.477374][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.477374][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.477374][T16070] [ 2697.480573][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.480573][T16070] netdev_get_by_index+0x5e/0x80 [ 2697.480573][T16070] fib6_nh_init+0x3d8/0x1580 [ 2697.480573][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2697.480573][T16070] ip6_route_add+0x1c/0x140 [ 2697.480573][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2697.480573][T16070] addrconf_add_dev+0xe2/0x170 [ 2697.480573][T16070] inet6_addr_add+0x12f/0xa40 [ 2697.480573][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2697.480573][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.480573][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.480573][T16070] netlink_unicast+0x449/0x710 [ 2697.480573][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.480573][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.480573][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.480573][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.480573][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.480573][T16070] [ 2697.483059][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.483059][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2697.483059][T16070] ipv6_find_idev+0x102/0x170 [ 2697.483059][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.483059][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.483059][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.483059][T16070] netlink_unicast+0x449/0x710 [ 2697.483059][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.483059][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.483059][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.483059][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.483059][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.483059][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.483059][T16070] [ 2697.485148][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2697.485148][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2697.485148][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2697.485148][T16070] ipv6_find_idev+0x102/0x170 [ 2697.485148][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2697.485148][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2697.485148][T16070] netlink_rcv_skb+0x130/0x360 [ 2697.485148][T16070] netlink_unicast+0x449/0x710 [ 2697.485148][T16070] netlink_sendmsg+0x723/0xbe0 [ 2697.485148][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2697.485148][T16070] ___sys_sendmsg+0xee/0x170 [ 2697.485148][T16070] __sys_sendmsg+0xcd/0x170 [ 2697.485148][T16070] do_syscall_64+0xc6/0x1e0 [ 2697.485148][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2697.485148][T16070] [ 2706.912922][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2706.913335][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.913335][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.913335][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.913335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.913335][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2706.913335][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2706.913335][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2706.913335][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2706.913335][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2706.913335][ T74] addrconf_dad_begin+0x310/0x670 [ 2706.913335][ T74] addrconf_dad_work+0x10b/0xab0 [ 2706.913335][ T74] process_one_work+0x84d/0x18a0 [ 2706.913335][ T74] worker_thread+0x587/0xd30 [ 2706.913335][ T74] kthread+0x28a/0x350 [ 2706.913335][ T74] ret_from_fork+0x31/0x70 [ 2706.913335][ T74] ret_from_fork_asm+0x1a/0x30 [ 2706.913335][ T74] [ 2706.915283][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.915283][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.915283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.915283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.915283][ T74] ip6_route_add+0x1c/0x140 [ 2706.915283][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2706.915283][ T74] inet6_addr_add+0x4f8/0xa40 [ 2706.915283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.915283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.915283][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.915283][ T74] netlink_unicast+0x449/0x710 [ 2706.915283][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.915283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.915283][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.915283][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.915283][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.915283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.915283][ T74] [ 2706.917297][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.917297][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.917297][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.917297][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.917297][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2706.917297][ T74] ipv6_add_addr+0x411/0x2000 [ 2706.917297][ T74] inet6_addr_add+0x30e/0xa40 [ 2706.917297][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.917297][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.917297][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.917297][ T74] netlink_unicast+0x449/0x710 [ 2706.917297][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.917297][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.917297][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.917297][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.917297][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.917297][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.917297][ T74] [ 2706.919326][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.919326][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.919326][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.919326][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.919326][ T74] ip6_route_add+0x1c/0x140 [ 2706.919326][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2706.919326][ T74] addrconf_add_dev+0xe2/0x170 [ 2706.919326][ T74] inet6_addr_add+0x12f/0xa40 [ 2706.919326][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.919326][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.919326][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.919326][ T74] netlink_unicast+0x449/0x710 [ 2706.919326][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.919326][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.919326][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.919326][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.919326][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.919326][ T74] [ 2706.921306][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.921306][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2706.921306][ T74] ipv6_find_idev+0x102/0x170 [ 2706.921306][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.921306][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.921306][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.921306][ T74] netlink_unicast+0x449/0x710 [ 2706.921306][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.921306][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.921306][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.921306][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.921306][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.921306][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.921306][ T74] [ 2706.922868][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2706.922868][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2706.922868][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2706.922868][ T74] ipv6_find_idev+0x102/0x170 [ 2706.922868][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.922868][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.922868][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.922868][ T74] netlink_unicast+0x449/0x710 [ 2706.922868][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.922868][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.922868][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.922868][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.922868][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.922868][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.922868][ T74] [ 2706.924583][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2706.924851][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.924851][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.924851][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.924851][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.924851][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2706.924851][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2706.924851][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2706.924851][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2706.924851][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2706.924851][ T74] addrconf_dad_begin+0x310/0x670 [ 2706.924851][ T74] addrconf_dad_work+0x10b/0xab0 [ 2706.924851][ T74] process_one_work+0x84d/0x18a0 [ 2706.924851][ T74] worker_thread+0x587/0xd30 [ 2706.924851][ T74] kthread+0x28a/0x350 [ 2706.924851][ T74] ret_from_fork+0x31/0x70 [ 2706.924851][ T74] ret_from_fork_asm+0x1a/0x30 [ 2706.924851][ T74] [ 2706.926777][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.926777][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.926777][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.926777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.926777][ T74] ip6_route_add+0x1c/0x140 [ 2706.926777][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2706.926777][ T74] inet6_addr_add+0x4f8/0xa40 [ 2706.926777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.926777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.926777][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.926777][ T74] netlink_unicast+0x449/0x710 [ 2706.926777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.926777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.926777][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.926777][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.926777][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.926777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.926777][ T74] [ 2706.928818][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.928818][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.928818][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.928818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.928818][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2706.928818][ T74] ipv6_add_addr+0x411/0x2000 [ 2706.928818][ T74] inet6_addr_add+0x30e/0xa40 [ 2706.928818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.928818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.928818][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.928818][ T74] netlink_unicast+0x449/0x710 [ 2706.928818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.928818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.928818][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.928818][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.928818][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.928818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.928818][ T74] [ 2706.930841][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.930841][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.930841][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.930841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.930841][ T74] ip6_route_add+0x1c/0x140 [ 2706.930841][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2706.930841][ T74] addrconf_add_dev+0xe2/0x170 [ 2706.930841][ T74] inet6_addr_add+0x12f/0xa40 [ 2706.930841][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.930841][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.930841][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.930841][ T74] netlink_unicast+0x449/0x710 [ 2706.930841][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.930841][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.930841][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.930841][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.930841][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.930841][ T74] [ 2706.932828][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.932828][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2706.932828][ T74] ipv6_find_idev+0x102/0x170 [ 2706.932828][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.932828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.932828][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.932828][ T74] netlink_unicast+0x449/0x710 [ 2706.932828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.932828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.932828][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.932828][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.932828][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.932828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.932828][ T74] [ 2706.934374][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2706.934374][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2706.934374][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2706.934374][ T74] ipv6_find_idev+0x102/0x170 [ 2706.934374][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.934374][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.934374][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.934374][ T74] netlink_unicast+0x449/0x710 [ 2706.934374][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.934374][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.934374][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.934374][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.934374][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.934374][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.934374][ T74] [ 2706.936088][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2706.936341][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.936341][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.936341][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.936341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.936341][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2706.936341][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2706.936341][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2706.936341][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2706.936341][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2706.936341][ T74] addrconf_dad_begin+0x310/0x670 [ 2706.936341][ T74] addrconf_dad_work+0x10b/0xab0 [ 2706.936341][ T74] process_one_work+0x84d/0x18a0 [ 2706.936341][ T74] worker_thread+0x587/0xd30 [ 2706.936341][ T74] kthread+0x28a/0x350 [ 2706.936341][ T74] ret_from_fork+0x31/0x70 [ 2706.936341][ T74] ret_from_fork_asm+0x1a/0x30 [ 2706.936341][ T74] [ 2706.938288][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.938288][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.938288][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.938288][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.938288][ T74] ip6_route_add+0x1c/0x140 [ 2706.938288][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2706.938288][ T74] inet6_addr_add+0x4f8/0xa40 [ 2706.938288][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.938288][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.938288][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.938288][ T74] netlink_unicast+0x449/0x710 [ 2706.938288][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.938288][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.938288][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.938288][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.938288][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.938288][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.938288][ T74] [ 2706.940981][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.940981][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.940981][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.940981][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.940981][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2706.940981][ T74] ipv6_add_addr+0x411/0x2000 [ 2706.940981][ T74] inet6_addr_add+0x30e/0xa40 [ 2706.940981][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.940981][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.940981][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.940981][ T74] netlink_unicast+0x449/0x710 [ 2706.940981][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.940981][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.940981][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.940981][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.940981][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.940981][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.940981][ T74] [ 2706.943175][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.943175][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.943175][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.943175][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.943175][ T74] ip6_route_add+0x1c/0x140 [ 2706.943175][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2706.943175][ T74] addrconf_add_dev+0xe2/0x170 [ 2706.943175][ T74] inet6_addr_add+0x12f/0xa40 [ 2706.943175][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.943175][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.943175][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.943175][ T74] netlink_unicast+0x449/0x710 [ 2706.943175][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.943175][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.943175][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.943175][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.943175][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.943175][ T74] [ 2706.945395][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.945395][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2706.945395][ T74] ipv6_find_idev+0x102/0x170 [ 2706.945395][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.945395][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.945395][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.945395][ T74] netlink_unicast+0x449/0x710 [ 2706.945395][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.945395][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.945395][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.945395][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.945395][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.945395][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.945395][ T74] [ 2706.947123][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2706.947123][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2706.947123][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2706.947123][ T74] ipv6_find_idev+0x102/0x170 [ 2706.947123][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.947123][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.947123][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.947123][ T74] netlink_unicast+0x449/0x710 [ 2706.947123][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.947123][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.947123][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.947123][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.947123][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.947123][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.947123][ T74] [ 2706.949012][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2706.949344][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.949344][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.949344][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.949344][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.949344][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2706.949344][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2706.949344][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2706.949344][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2706.949344][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2706.949344][ T74] addrconf_dad_begin+0x310/0x670 [ 2706.949344][ T74] addrconf_dad_work+0x10b/0xab0 [ 2706.949344][ T74] process_one_work+0x84d/0x18a0 [ 2706.949344][ T74] worker_thread+0x587/0xd30 [ 2706.949344][ T74] kthread+0x28a/0x350 [ 2706.949344][ T74] ret_from_fork+0x31/0x70 [ 2706.949344][ T74] ret_from_fork_asm+0x1a/0x30 [ 2706.949344][ T74] [ 2706.951459][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.951459][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.951459][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.951459][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.951459][ T74] ip6_route_add+0x1c/0x140 [ 2706.951459][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2706.951459][ T74] inet6_addr_add+0x4f8/0xa40 [ 2706.951459][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.951459][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.951459][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.951459][ T74] netlink_unicast+0x449/0x710 [ 2706.951459][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.951459][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.951459][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.951459][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.951459][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.951459][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.951459][ T74] [ 2706.953708][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.953708][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.953708][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.953708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.953708][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2706.953708][ T74] ipv6_add_addr+0x411/0x2000 [ 2706.953708][ T74] inet6_addr_add+0x30e/0xa40 [ 2706.953708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.953708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.953708][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.953708][ T74] netlink_unicast+0x449/0x710 [ 2706.953708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.953708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.953708][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.953708][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.953708][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.953708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.953708][ T74] [ 2706.955969][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.955969][ T74] netdev_get_by_index+0x5e/0x80 [ 2706.955969][ T74] fib6_nh_init+0x3d8/0x1580 [ 2706.955969][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2706.955969][ T74] ip6_route_add+0x1c/0x140 [ 2706.955969][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2706.955969][ T74] addrconf_add_dev+0xe2/0x170 [ 2706.955969][ T74] inet6_addr_add+0x12f/0xa40 [ 2706.955969][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2706.955969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.955969][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.955969][ T74] netlink_unicast+0x449/0x710 [ 2706.955969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.955969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.955969][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.955969][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.955969][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.955969][ T74] [ 2706.958198][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.958198][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2706.958198][ T74] ipv6_find_idev+0x102/0x170 [ 2706.958198][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.958198][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.958198][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.958198][ T74] netlink_unicast+0x449/0x710 [ 2706.958198][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.958198][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.958198][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.958198][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.958198][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.958198][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.958198][ T74] [ 2706.959997][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2706.959997][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2706.959997][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2706.959997][ T74] ipv6_find_idev+0x102/0x170 [ 2706.959997][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2706.959997][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2706.959997][ T74] netlink_rcv_skb+0x130/0x360 [ 2706.959997][ T74] netlink_unicast+0x449/0x710 [ 2706.959997][ T74] netlink_sendmsg+0x723/0xbe0 [ 2706.959997][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2706.959997][ T74] ___sys_sendmsg+0xee/0x170 [ 2706.959997][ T74] __sys_sendmsg+0xcd/0x170 [ 2706.959997][ T74] do_syscall_64+0xc6/0x1e0 [ 2706.959997][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2706.959997][ T74] [ 2707.552852][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2707.553360][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2707.553360][T16070] dst_init+0x84/0x4a0 [ 2707.553360][T16070] dst_alloc+0x97/0x150 [ 2707.553360][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.553360][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.553360][T16070] ip6_pol_route+0x56f/0x840 [ 2707.553360][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2707.553360][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2707.553360][T16070] fib6_rule_lookup+0x182/0x630 [ 2707.553360][T16070] ip6_route_output_flags+0x259/0x480 [ 2707.553360][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2707.553360][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2707.553360][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2707.553360][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2707.553360][T16070] ip6_datagram_connect+0x2c/0x50 [ 2707.553360][T16070] __sys_connect+0x217/0x2a0 [ 2707.553360][T16070] __x64_sys_connect+0x72/0xb0 [ 2707.553360][T16070] [ 2707.555954][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2707.555954][T16070] dst_init+0x84/0x4a0 [ 2707.555954][T16070] dst_alloc+0x97/0x150 [ 2707.555954][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.555954][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.555954][T16070] ip6_pol_route+0x56f/0x840 [ 2707.555954][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2707.555954][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2707.555954][T16070] fib6_rule_lookup+0x182/0x630 [ 2707.555954][T16070] ip6_route_output_flags+0x259/0x480 [ 2707.555954][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2707.555954][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2707.555954][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2707.555954][T16070] __inet_stream_connect+0x272/0x9f0 [ 2707.555954][T16070] inet_stream_connect+0x57/0xa0 [ 2707.555954][T16070] __sys_connect+0x217/0x2a0 [ 2707.555954][T16070] __x64_sys_connect+0x72/0xb0 [ 2707.555954][T16070] [ 2707.558405][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.558405][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2707.558405][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2707.558405][T16070] fib6_nh_init+0xa22/0x1580 [ 2707.558405][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.558405][T16070] ip6_route_add+0x1c/0x140 [ 2707.558405][T16070] inet6_rtm_newroute+0x104/0x110 [ 2707.558405][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.558405][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.558405][T16070] netlink_unicast+0x449/0x710 [ 2707.558405][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.558405][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.558405][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.558405][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.558405][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.558405][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.558405][T16070] [ 2707.560747][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.560747][T16070] dst_init+0x84/0x4a0 [ 2707.560747][T16070] dst_alloc+0x97/0x150 [ 2707.560747][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.560747][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.560747][T16070] ip6_pol_route+0x56f/0x840 [ 2707.560747][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2707.560747][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2707.560747][T16070] fib6_rule_lookup+0x182/0x630 [ 2707.560747][T16070] ip6_route_input+0x59c/0xa50 [ 2707.560747][T16070] ipv6_rcv+0x397/0x810 [ 2707.560747][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.560747][T16070] process_backlog+0x101/0x620 [ 2707.560747][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2707.560747][T16070] net_rx_action+0x495/0xbe0 [ 2707.560747][T16070] __do_softirq+0x1b5/0x7f6 [ 2707.560747][T16070] [ 2707.563119][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.563119][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.563119][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.563119][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.563119][T16070] ip6_route_add+0x1c/0x140 [ 2707.563119][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2707.563119][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2707.563119][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2707.563119][T16070] addrconf_dad_begin+0x310/0x670 [ 2707.563119][T16070] addrconf_dad_work+0x10b/0xab0 [ 2707.563119][T16070] process_one_work+0x84d/0x18a0 [ 2707.563119][T16070] worker_thread+0x587/0xd30 [ 2707.563119][T16070] kthread+0x28a/0x350 [ 2707.563119][T16070] ret_from_fork+0x31/0x70 [ 2707.563119][T16070] ret_from_fork_asm+0x1a/0x30 [ 2707.563119][T16070] [ 2707.565360][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.565360][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.565360][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.565360][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.565360][T16070] ip6_route_add+0x1c/0x140 [ 2707.565360][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2707.565360][T16070] inet6_addr_add+0x4f8/0xa40 [ 2707.565360][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.565360][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.565360][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.565360][T16070] netlink_unicast+0x449/0x710 [ 2707.565360][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.565360][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.565360][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.565360][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.565360][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.565360][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.565360][T16070] [ 2707.567882][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.567882][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.567882][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.567882][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.567882][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2707.567882][T16070] ipv6_add_addr+0x411/0x2000 [ 2707.567882][T16070] inet6_addr_add+0x30e/0xa40 [ 2707.567882][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.567882][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.567882][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.567882][T16070] netlink_unicast+0x449/0x710 [ 2707.567882][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.567882][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.567882][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.567882][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.567882][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.567882][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.567882][T16070] [ 2707.570427][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.570427][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.570427][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.570427][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.570427][T16070] ip6_route_add+0x1c/0x140 [ 2707.570427][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.570427][T16070] addrconf_add_dev+0xe2/0x170 [ 2707.570427][T16070] inet6_addr_add+0x12f/0xa40 [ 2707.570427][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.570427][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.570427][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.570427][T16070] netlink_unicast+0x449/0x710 [ 2707.570427][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.570427][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.570427][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.570427][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.570427][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.570427][T16070] [ 2707.572935][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.572935][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2707.572935][T16070] ipv6_find_idev+0x102/0x170 [ 2707.572935][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.572935][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.572935][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.572935][T16070] netlink_unicast+0x449/0x710 [ 2707.572935][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.572935][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.572935][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.572935][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.572935][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.572935][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.572935][T16070] [ 2707.574874][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2707.574874][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2707.574874][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2707.574874][T16070] ipv6_find_idev+0x102/0x170 [ 2707.574874][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.574874][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.574874][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.574874][T16070] netlink_unicast+0x449/0x710 [ 2707.574874][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.574874][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.574874][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.574874][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.574874][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.574874][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.574874][T16070] [ 2707.576991][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2707.577326][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2707.577326][T16070] dst_init+0x84/0x4a0 [ 2707.577326][T16070] dst_alloc+0x97/0x150 [ 2707.577326][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.577326][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.577326][T16070] ip6_pol_route+0x56f/0x840 [ 2707.577326][T16070] fib6_rule_lookup+0x334/0x630 [ 2707.577326][T16070] ip6_route_output_flags+0x259/0x480 [ 2707.577326][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2707.577326][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2707.577326][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2707.577326][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2707.577326][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2707.577326][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.577326][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.577326][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.577326][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.577326][T16070] [ 2707.579830][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.579830][T16070] dst_init+0x84/0x4a0 [ 2707.579830][T16070] dst_alloc+0x97/0x150 [ 2707.579830][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.579830][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.579830][T16070] ip6_pol_route+0x56f/0x840 [ 2707.579830][T16070] fib6_rule_lookup+0x334/0x630 [ 2707.579830][T16070] ip6_route_output_flags+0x259/0x480 [ 2707.579830][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2707.579830][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2707.579830][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2707.579830][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2707.579830][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2707.579830][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2707.579830][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2707.579830][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2707.579830][T16070] ip6_input_finish+0x120/0x260 [ 2707.579830][T16070] [ 2707.582388][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.582388][T16070] dst_init+0x84/0x4a0 [ 2707.582388][T16070] dst_alloc+0x97/0x150 [ 2707.582388][T16070] ip6_dst_alloc+0x23/0x90 [ 2707.582388][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2707.582388][T16070] ip6_pol_route+0x56f/0x840 [ 2707.582388][T16070] fib6_rule_lookup+0x456/0x630 [ 2707.582388][T16070] ip6_route_input+0x59c/0xa50 [ 2707.582388][T16070] ipv6_rcv+0x397/0x810 [ 2707.582388][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2707.582388][T16070] process_backlog+0x101/0x620 [ 2707.582388][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2707.582388][T16070] net_rx_action+0x495/0xbe0 [ 2707.582388][T16070] __do_softirq+0x1b5/0x7f6 [ 2707.582388][T16070] [ 2707.584436][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.584436][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.584436][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.584436][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.584436][T16070] ip6_route_add+0x1c/0x140 [ 2707.584436][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2707.584436][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2707.584436][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2707.584436][T16070] addrconf_dad_begin+0x310/0x670 [ 2707.584436][T16070] addrconf_dad_work+0x10b/0xab0 [ 2707.584436][T16070] process_one_work+0x84d/0x18a0 [ 2707.584436][T16070] worker_thread+0x587/0xd30 [ 2707.584436][T16070] kthread+0x28a/0x350 [ 2707.584436][T16070] ret_from_fork+0x31/0x70 [ 2707.584436][T16070] ret_from_fork_asm+0x1a/0x30 [ 2707.584436][T16070] [ 2707.586781][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.586781][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.586781][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.586781][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.586781][T16070] ip6_route_add+0x1c/0x140 [ 2707.586781][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2707.586781][T16070] inet6_addr_add+0x4f8/0xa40 [ 2707.586781][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.586781][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.586781][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.586781][T16070] netlink_unicast+0x449/0x710 [ 2707.586781][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.586781][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.586781][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.586781][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.586781][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.586781][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.586781][T16070] [ 2707.589452][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.589452][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.589452][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.589452][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.589452][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2707.589452][T16070] ipv6_add_addr+0x411/0x2000 [ 2707.589452][T16070] inet6_addr_add+0x30e/0xa40 [ 2707.589452][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.589452][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.589452][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.589452][T16070] netlink_unicast+0x449/0x710 [ 2707.589452][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.589452][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.589452][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.589452][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.589452][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.589452][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.589452][T16070] [ 2707.592023][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.592023][T16070] netdev_get_by_index+0x5e/0x80 [ 2707.592023][T16070] fib6_nh_init+0x3d8/0x1580 [ 2707.592023][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2707.592023][T16070] ip6_route_add+0x1c/0x140 [ 2707.592023][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2707.592023][T16070] addrconf_add_dev+0xe2/0x170 [ 2707.592023][T16070] inet6_addr_add+0x12f/0xa40 [ 2707.592023][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2707.592023][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.592023][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.592023][T16070] netlink_unicast+0x449/0x710 [ 2707.592023][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.592023][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.592023][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.592023][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.592023][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.592023][T16070] [ 2707.594557][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.594557][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2707.594557][T16070] ipv6_find_idev+0x102/0x170 [ 2707.594557][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.594557][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.594557][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.594557][T16070] netlink_unicast+0x449/0x710 [ 2707.594557][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.594557][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.594557][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.594557][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.594557][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.594557][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.594557][T16070] [ 2707.596510][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2707.596510][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2707.596510][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2707.596510][T16070] ipv6_find_idev+0x102/0x170 [ 2707.596510][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2707.596510][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2707.596510][T16070] netlink_rcv_skb+0x130/0x360 [ 2707.596510][T16070] netlink_unicast+0x449/0x710 [ 2707.596510][T16070] netlink_sendmsg+0x723/0xbe0 [ 2707.596510][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2707.596510][T16070] ___sys_sendmsg+0xee/0x170 [ 2707.596510][T16070] __sys_sendmsg+0xcd/0x170 [ 2707.596510][T16070] do_syscall_64+0xc6/0x1e0 [ 2707.596510][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2707.596510][T16070] [ 2717.200928][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2717.201352][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.201352][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.201352][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.201352][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.201352][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.201352][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.201352][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.201352][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.201352][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.201352][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.201352][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.201352][ T74] process_one_work+0x84d/0x18a0 [ 2717.201352][ T74] worker_thread+0x587/0xd30 [ 2717.201352][ T74] kthread+0x28a/0x350 [ 2717.201352][ T74] ret_from_fork+0x31/0x70 [ 2717.201352][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.201352][ T74] [ 2717.203333][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.203333][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.203333][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.203333][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.203333][ T74] ip6_route_add+0x1c/0x140 [ 2717.203333][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.203333][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.203333][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.203333][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.203333][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.203333][ T74] netlink_unicast+0x449/0x710 [ 2717.203333][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.203333][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.203333][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.203333][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.203333][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.203333][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.203333][ T74] [ 2717.205384][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.205384][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.205384][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.205384][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.205384][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.205384][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.205384][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.205384][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.205384][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.205384][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.205384][ T74] netlink_unicast+0x449/0x710 [ 2717.205384][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.205384][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.205384][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.205384][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.205384][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.205384][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.205384][ T74] [ 2717.207401][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.207401][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.207401][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.207401][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.207401][ T74] ip6_route_add+0x1c/0x140 [ 2717.207401][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.207401][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.207401][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.207401][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.207401][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.207401][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.207401][ T74] netlink_unicast+0x449/0x710 [ 2717.207401][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.207401][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.207401][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.207401][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.207401][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.207401][ T74] [ 2717.209400][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.209400][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.209400][ T74] ipv6_find_idev+0x102/0x170 [ 2717.209400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.209400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.209400][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.209400][ T74] netlink_unicast+0x449/0x710 [ 2717.209400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.209400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.209400][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.209400][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.209400][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.209400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.209400][ T74] [ 2717.210947][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2717.210947][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.210947][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.210947][ T74] ipv6_find_idev+0x102/0x170 [ 2717.210947][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.210947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.210947][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.210947][ T74] netlink_unicast+0x449/0x710 [ 2717.210947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.210947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.210947][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.210947][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.210947][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.210947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.210947][ T74] [ 2717.212662][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2717.212921][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.212921][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.212921][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.212921][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.212921][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.212921][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.212921][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.212921][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.212921][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.212921][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.212921][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.212921][ T74] process_one_work+0x84d/0x18a0 [ 2717.212921][ T74] worker_thread+0x587/0xd30 [ 2717.212921][ T74] kthread+0x28a/0x350 [ 2717.212921][ T74] ret_from_fork+0x31/0x70 [ 2717.212921][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.212921][ T74] [ 2717.214957][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.214957][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.214957][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.214957][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.214957][ T74] ip6_route_add+0x1c/0x140 [ 2717.214957][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.214957][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.214957][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.214957][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.214957][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.214957][ T74] netlink_unicast+0x449/0x710 [ 2717.214957][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.214957][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.214957][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.214957][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.214957][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.214957][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.214957][ T74] [ 2717.216980][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.216980][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.216980][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.216980][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.216980][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.216980][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.216980][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.216980][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.216980][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.216980][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.216980][ T74] netlink_unicast+0x449/0x710 [ 2717.216980][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.216980][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.216980][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.216980][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.216980][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.216980][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.216980][ T74] [ 2717.218994][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.218994][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.218994][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.218994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.218994][ T74] ip6_route_add+0x1c/0x140 [ 2717.218994][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.218994][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.218994][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.218994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.218994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.218994][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.218994][ T74] netlink_unicast+0x449/0x710 [ 2717.218994][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.218994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.218994][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.218994][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.218994][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.218994][ T74] [ 2717.220995][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.220995][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.220995][ T74] ipv6_find_idev+0x102/0x170 [ 2717.220995][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.220995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.220995][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.220995][ T74] netlink_unicast+0x449/0x710 [ 2717.220995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.220995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.220995][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.220995][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.220995][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.220995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.220995][ T74] [ 2717.222556][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2717.222556][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.222556][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.222556][ T74] ipv6_find_idev+0x102/0x170 [ 2717.222556][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.222556][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.222556][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.222556][ T74] netlink_unicast+0x449/0x710 [ 2717.222556][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.222556][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.222556][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.222556][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.222556][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.222556][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.222556][ T74] [ 2717.224275][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2717.224517][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.224517][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.224517][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.224517][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.224517][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.224517][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.224517][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.224517][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.224517][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.224517][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.224517][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.224517][ T74] process_one_work+0x84d/0x18a0 [ 2717.224517][ T74] worker_thread+0x587/0xd30 [ 2717.224517][ T74] kthread+0x28a/0x350 [ 2717.224517][ T74] ret_from_fork+0x31/0x70 [ 2717.224517][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.224517][ T74] [ 2717.226437][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.226437][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.226437][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.226437][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.226437][ T74] ip6_route_add+0x1c/0x140 [ 2717.226437][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.226437][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.226437][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.226437][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.226437][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.226437][ T74] netlink_unicast+0x449/0x710 [ 2717.226437][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.226437][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.226437][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.226437][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.226437][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.226437][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.226437][ T74] [ 2717.228719][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.228719][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.228719][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.228719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.228719][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.228719][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.228719][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.228719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.228719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.228719][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.228719][ T74] netlink_unicast+0x449/0x710 [ 2717.228719][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.228719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.228719][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.228719][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.228719][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.228719][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.228719][ T74] [ 2717.230994][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.230994][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.230994][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.230994][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.230994][ T74] ip6_route_add+0x1c/0x140 [ 2717.230994][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.230994][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.230994][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.230994][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.230994][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.230994][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.230994][ T74] netlink_unicast+0x449/0x710 [ 2717.230994][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.230994][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.230994][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.230994][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.230994][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.230994][ T74] [ 2717.233235][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.233235][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.233235][ T74] ipv6_find_idev+0x102/0x170 [ 2717.233235][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.233235][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.233235][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.233235][ T74] netlink_unicast+0x449/0x710 [ 2717.233235][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.233235][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.233235][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.233235][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.233235][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.233235][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.233235][ T74] [ 2717.234974][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2717.234974][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.234974][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.234974][ T74] ipv6_find_idev+0x102/0x170 [ 2717.234974][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.234974][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.234974][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.234974][ T74] netlink_unicast+0x449/0x710 [ 2717.234974][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.234974][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.234974][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.234974][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.234974][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.234974][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.234974][ T74] [ 2717.236867][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2717.237182][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.237182][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.237182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.237182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.237182][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2717.237182][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2717.237182][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2717.237182][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2717.237182][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2717.237182][ T74] addrconf_dad_begin+0x310/0x670 [ 2717.237182][ T74] addrconf_dad_work+0x10b/0xab0 [ 2717.237182][ T74] process_one_work+0x84d/0x18a0 [ 2717.237182][ T74] worker_thread+0x587/0xd30 [ 2717.237182][ T74] kthread+0x28a/0x350 [ 2717.237182][ T74] ret_from_fork+0x31/0x70 [ 2717.237182][ T74] ret_from_fork_asm+0x1a/0x30 [ 2717.237182][ T74] [ 2717.239305][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.239305][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.239305][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.239305][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.239305][ T74] ip6_route_add+0x1c/0x140 [ 2717.239305][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2717.239305][ T74] inet6_addr_add+0x4f8/0xa40 [ 2717.239305][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.239305][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.239305][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.239305][ T74] netlink_unicast+0x449/0x710 [ 2717.239305][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.239305][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.239305][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.239305][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.239305][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.239305][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.239305][ T74] [ 2717.241564][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.241564][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.241564][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.241564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.241564][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2717.241564][ T74] ipv6_add_addr+0x411/0x2000 [ 2717.241564][ T74] inet6_addr_add+0x30e/0xa40 [ 2717.241564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.241564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.241564][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.241564][ T74] netlink_unicast+0x449/0x710 [ 2717.241564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.241564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.241564][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.241564][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.241564][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.241564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.241564][ T74] [ 2717.243827][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.243827][ T74] netdev_get_by_index+0x5e/0x80 [ 2717.243827][ T74] fib6_nh_init+0x3d8/0x1580 [ 2717.243827][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2717.243827][ T74] ip6_route_add+0x1c/0x140 [ 2717.243827][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.243827][ T74] addrconf_add_dev+0xe2/0x170 [ 2717.243827][ T74] inet6_addr_add+0x12f/0xa40 [ 2717.243827][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.243827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.243827][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.243827][ T74] netlink_unicast+0x449/0x710 [ 2717.243827][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.243827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.243827][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.243827][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.243827][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.243827][ T74] [ 2717.246049][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.246049][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2717.246049][ T74] ipv6_find_idev+0x102/0x170 [ 2717.246049][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.246049][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.246049][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.246049][ T74] netlink_unicast+0x449/0x710 [ 2717.246049][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.246049][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.246049][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.246049][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.246049][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.246049][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.246049][ T74] [ 2717.247787][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2717.247787][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2717.247787][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2717.247787][ T74] ipv6_find_idev+0x102/0x170 [ 2717.247787][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.247787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.247787][ T74] netlink_rcv_skb+0x130/0x360 [ 2717.247787][ T74] netlink_unicast+0x449/0x710 [ 2717.247787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2717.247787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2717.247787][ T74] ___sys_sendmsg+0xee/0x170 [ 2717.247787][ T74] __sys_sendmsg+0xcd/0x170 [ 2717.247787][ T74] do_syscall_64+0xc6/0x1e0 [ 2717.247787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.247787][ T74] [ 2717.840938][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2717.841434][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2717.841434][T16070] dst_init+0x84/0x4a0 [ 2717.841434][T16070] dst_alloc+0x97/0x150 [ 2717.841434][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.841434][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.841434][T16070] ip6_pol_route+0x56f/0x840 [ 2717.841434][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2717.841434][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2717.841434][T16070] fib6_rule_lookup+0x182/0x630 [ 2717.841434][T16070] ip6_route_output_flags+0x259/0x480 [ 2717.841434][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2717.841434][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2717.841434][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2717.841434][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2717.841434][T16070] ip6_datagram_connect+0x2c/0x50 [ 2717.841434][T16070] __sys_connect+0x217/0x2a0 [ 2717.841434][T16070] __x64_sys_connect+0x72/0xb0 [ 2717.841434][T16070] [ 2717.843988][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2717.843988][T16070] dst_init+0x84/0x4a0 [ 2717.843988][T16070] dst_alloc+0x97/0x150 [ 2717.843988][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.843988][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.843988][T16070] ip6_pol_route+0x56f/0x840 [ 2717.843988][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2717.843988][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2717.843988][T16070] fib6_rule_lookup+0x182/0x630 [ 2717.843988][T16070] ip6_route_output_flags+0x259/0x480 [ 2717.843988][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2717.843988][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2717.843988][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2717.843988][T16070] __inet_stream_connect+0x272/0x9f0 [ 2717.843988][T16070] inet_stream_connect+0x57/0xa0 [ 2717.843988][T16070] __sys_connect+0x217/0x2a0 [ 2717.843988][T16070] __x64_sys_connect+0x72/0xb0 [ 2717.843988][T16070] [ 2717.846479][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.846479][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2717.846479][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2717.846479][T16070] fib6_nh_init+0xa22/0x1580 [ 2717.846479][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.846479][T16070] ip6_route_add+0x1c/0x140 [ 2717.846479][T16070] inet6_rtm_newroute+0x104/0x110 [ 2717.846479][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.846479][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.846479][T16070] netlink_unicast+0x449/0x710 [ 2717.846479][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.846479][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.846479][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.846479][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.846479][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.846479][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.846479][T16070] [ 2717.848812][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.848812][T16070] dst_init+0x84/0x4a0 [ 2717.848812][T16070] dst_alloc+0x97/0x150 [ 2717.848812][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.848812][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.848812][T16070] ip6_pol_route+0x56f/0x840 [ 2717.848812][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2717.848812][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2717.848812][T16070] fib6_rule_lookup+0x182/0x630 [ 2717.848812][T16070] ip6_route_input+0x59c/0xa50 [ 2717.848812][T16070] ipv6_rcv+0x397/0x810 [ 2717.848812][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.848812][T16070] process_backlog+0x101/0x620 [ 2717.848812][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2717.848812][T16070] net_rx_action+0x495/0xbe0 [ 2717.848812][T16070] __do_softirq+0x1b5/0x7f6 [ 2717.848812][T16070] [ 2717.851103][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.851103][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.851103][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.851103][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.851103][T16070] ip6_route_add+0x1c/0x140 [ 2717.851103][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2717.851103][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2717.851103][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2717.851103][T16070] addrconf_dad_begin+0x310/0x670 [ 2717.851103][T16070] addrconf_dad_work+0x10b/0xab0 [ 2717.851103][T16070] process_one_work+0x84d/0x18a0 [ 2717.851103][T16070] worker_thread+0x587/0xd30 [ 2717.851103][T16070] kthread+0x28a/0x350 [ 2717.851103][T16070] ret_from_fork+0x31/0x70 [ 2717.851103][T16070] ret_from_fork_asm+0x1a/0x30 [ 2717.851103][T16070] [ 2717.853332][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.853332][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.853332][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.853332][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.853332][T16070] ip6_route_add+0x1c/0x140 [ 2717.853332][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2717.853332][T16070] inet6_addr_add+0x4f8/0xa40 [ 2717.853332][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.853332][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.853332][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.853332][T16070] netlink_unicast+0x449/0x710 [ 2717.853332][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.853332][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.853332][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.853332][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.853332][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.853332][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.853332][T16070] [ 2717.855795][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.855795][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.855795][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.855795][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.855795][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2717.855795][T16070] ipv6_add_addr+0x411/0x2000 [ 2717.855795][T16070] inet6_addr_add+0x30e/0xa40 [ 2717.855795][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.855795][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.855795][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.855795][T16070] netlink_unicast+0x449/0x710 [ 2717.855795][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.855795][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.855795][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.855795][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.855795][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.855795][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.855795][T16070] [ 2717.858295][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.858295][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.858295][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.858295][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.858295][T16070] ip6_route_add+0x1c/0x140 [ 2717.858295][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.858295][T16070] addrconf_add_dev+0xe2/0x170 [ 2717.858295][T16070] inet6_addr_add+0x12f/0xa40 [ 2717.858295][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.858295][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.858295][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.858295][T16070] netlink_unicast+0x449/0x710 [ 2717.858295][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.858295][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.858295][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.858295][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.858295][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.858295][T16070] [ 2717.860739][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.860739][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2717.860739][T16070] ipv6_find_idev+0x102/0x170 [ 2717.860739][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.860739][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.860739][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.860739][T16070] netlink_unicast+0x449/0x710 [ 2717.860739][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.860739][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.860739][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.860739][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.860739][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.860739][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.860739][T16070] [ 2717.862648][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2717.862648][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2717.862648][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2717.862648][T16070] ipv6_find_idev+0x102/0x170 [ 2717.862648][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.862648][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.862648][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.862648][T16070] netlink_unicast+0x449/0x710 [ 2717.862648][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.862648][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.862648][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.862648][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.862648][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.862648][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.862648][T16070] [ 2717.864752][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2717.865096][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2717.865096][T16070] dst_init+0x84/0x4a0 [ 2717.865096][T16070] dst_alloc+0x97/0x150 [ 2717.865096][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.865096][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.865096][T16070] ip6_pol_route+0x56f/0x840 [ 2717.865096][T16070] fib6_rule_lookup+0x334/0x630 [ 2717.865096][T16070] ip6_route_output_flags+0x259/0x480 [ 2717.865096][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2717.865096][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2717.865096][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2717.865096][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2717.865096][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2717.865096][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.865096][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.865096][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.865096][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.865096][T16070] [ 2717.867617][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.867617][T16070] dst_init+0x84/0x4a0 [ 2717.867617][T16070] dst_alloc+0x97/0x150 [ 2717.867617][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.867617][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.867617][T16070] ip6_pol_route+0x56f/0x840 [ 2717.867617][T16070] fib6_rule_lookup+0x334/0x630 [ 2717.867617][T16070] ip6_route_output_flags+0x259/0x480 [ 2717.867617][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2717.867617][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2717.867617][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2717.867617][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2717.867617][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2717.867617][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2717.867617][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2717.867617][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2717.867617][T16070] ip6_input_finish+0x120/0x260 [ 2717.867617][T16070] [ 2717.870148][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.870148][T16070] dst_init+0x84/0x4a0 [ 2717.870148][T16070] dst_alloc+0x97/0x150 [ 2717.870148][T16070] ip6_dst_alloc+0x23/0x90 [ 2717.870148][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2717.870148][T16070] ip6_pol_route+0x56f/0x840 [ 2717.870148][T16070] fib6_rule_lookup+0x456/0x630 [ 2717.870148][T16070] ip6_route_input+0x59c/0xa50 [ 2717.870148][T16070] ipv6_rcv+0x397/0x810 [ 2717.870148][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2717.870148][T16070] process_backlog+0x101/0x620 [ 2717.870148][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2717.870148][T16070] net_rx_action+0x495/0xbe0 [ 2717.870148][T16070] __do_softirq+0x1b5/0x7f6 [ 2717.870148][T16070] [ 2717.872175][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.872175][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.872175][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.872175][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.872175][T16070] ip6_route_add+0x1c/0x140 [ 2717.872175][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2717.872175][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2717.872175][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2717.872175][T16070] addrconf_dad_begin+0x310/0x670 [ 2717.872175][T16070] addrconf_dad_work+0x10b/0xab0 [ 2717.872175][T16070] process_one_work+0x84d/0x18a0 [ 2717.872175][T16070] worker_thread+0x587/0xd30 [ 2717.872175][T16070] kthread+0x28a/0x350 [ 2717.872175][T16070] ret_from_fork+0x31/0x70 [ 2717.872175][T16070] ret_from_fork_asm+0x1a/0x30 [ 2717.872175][T16070] [ 2717.874566][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.874566][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.874566][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.874566][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.874566][T16070] ip6_route_add+0x1c/0x140 [ 2717.874566][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2717.874566][T16070] inet6_addr_add+0x4f8/0xa40 [ 2717.874566][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.874566][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.874566][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.874566][T16070] netlink_unicast+0x449/0x710 [ 2717.874566][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.874566][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.874566][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.874566][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.874566][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.874566][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.874566][T16070] [ 2717.877208][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.877208][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.877208][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.877208][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.877208][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2717.877208][T16070] ipv6_add_addr+0x411/0x2000 [ 2717.877208][T16070] inet6_addr_add+0x30e/0xa40 [ 2717.877208][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.877208][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.877208][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.877208][T16070] netlink_unicast+0x449/0x710 [ 2717.877208][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.877208][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.877208][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.877208][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.877208][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.877208][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.877208][T16070] [ 2717.879865][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.879865][T16070] netdev_get_by_index+0x5e/0x80 [ 2717.879865][T16070] fib6_nh_init+0x3d8/0x1580 [ 2717.879865][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2717.879865][T16070] ip6_route_add+0x1c/0x140 [ 2717.879865][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2717.879865][T16070] addrconf_add_dev+0xe2/0x170 [ 2717.879865][T16070] inet6_addr_add+0x12f/0xa40 [ 2717.879865][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2717.879865][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.879865][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.879865][T16070] netlink_unicast+0x449/0x710 [ 2717.879865][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.879865][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.879865][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.879865][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.879865][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.879865][T16070] [ 2717.882391][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.882391][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2717.882391][T16070] ipv6_find_idev+0x102/0x170 [ 2717.882391][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.882391][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.882391][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.882391][T16070] netlink_unicast+0x449/0x710 [ 2717.882391][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.882391][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.882391][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.882391][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.882391][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.882391][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.882391][T16070] [ 2717.884463][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2717.884463][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2717.884463][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2717.884463][T16070] ipv6_find_idev+0x102/0x170 [ 2717.884463][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2717.884463][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2717.884463][T16070] netlink_rcv_skb+0x130/0x360 [ 2717.884463][T16070] netlink_unicast+0x449/0x710 [ 2717.884463][T16070] netlink_sendmsg+0x723/0xbe0 [ 2717.884463][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2717.884463][T16070] ___sys_sendmsg+0xee/0x170 [ 2717.884463][T16070] __sys_sendmsg+0xcd/0x170 [ 2717.884463][T16070] do_syscall_64+0xc6/0x1e0 [ 2717.884463][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2717.884463][T16070] [ 2727.488923][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2727.489315][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.489315][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.489315][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.489315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.489315][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.489315][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.489315][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.489315][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.489315][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.489315][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.489315][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.489315][ T74] process_one_work+0x84d/0x18a0 [ 2727.489315][ T74] worker_thread+0x587/0xd30 [ 2727.489315][ T74] kthread+0x28a/0x350 [ 2727.489315][ T74] ret_from_fork+0x31/0x70 [ 2727.489315][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.489315][ T74] [ 2727.491277][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.491277][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.491277][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.491277][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.491277][ T74] ip6_route_add+0x1c/0x140 [ 2727.491277][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.491277][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.491277][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.491277][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.491277][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.491277][ T74] netlink_unicast+0x449/0x710 [ 2727.491277][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.491277][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.491277][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.491277][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.491277][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.491277][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.491277][ T74] [ 2727.493441][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.493441][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.493441][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.493441][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.493441][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.493441][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.493441][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.493441][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.493441][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.493441][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.493441][ T74] netlink_unicast+0x449/0x710 [ 2727.493441][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.493441][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.493441][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.493441][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.493441][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.493441][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.493441][ T74] [ 2727.495466][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.495466][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.495466][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.495466][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.495466][ T74] ip6_route_add+0x1c/0x140 [ 2727.495466][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.495466][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.495466][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.495466][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.495466][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.495466][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.495466][ T74] netlink_unicast+0x449/0x710 [ 2727.495466][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.495466][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.495466][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.495466][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.495466][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.495466][ T74] [ 2727.497448][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.497448][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.497448][ T74] ipv6_find_idev+0x102/0x170 [ 2727.497448][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.497448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.497448][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.497448][ T74] netlink_unicast+0x449/0x710 [ 2727.497448][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.497448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.497448][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.497448][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.497448][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.497448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.497448][ T74] [ 2727.499006][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2727.499006][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.499006][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.499006][ T74] ipv6_find_idev+0x102/0x170 [ 2727.499006][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.499006][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.499006][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.499006][ T74] netlink_unicast+0x449/0x710 [ 2727.499006][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.499006][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.499006][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.499006][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.499006][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.499006][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.499006][ T74] [ 2727.500735][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2727.500997][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.500997][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.500997][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.500997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.500997][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.500997][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.500997][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.500997][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.500997][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.500997][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.500997][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.500997][ T74] process_one_work+0x84d/0x18a0 [ 2727.500997][ T74] worker_thread+0x587/0xd30 [ 2727.500997][ T74] kthread+0x28a/0x350 [ 2727.500997][ T74] ret_from_fork+0x31/0x70 [ 2727.500997][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.500997][ T74] [ 2727.502919][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.502919][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.502919][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.502919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.502919][ T74] ip6_route_add+0x1c/0x140 [ 2727.502919][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.502919][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.502919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.502919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.502919][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.502919][ T74] netlink_unicast+0x449/0x710 [ 2727.502919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.502919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.502919][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.502919][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.502919][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.502919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.502919][ T74] [ 2727.504929][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.504929][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.504929][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.504929][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.504929][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.504929][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.504929][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.504929][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.504929][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.504929][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.504929][ T74] netlink_unicast+0x449/0x710 [ 2727.504929][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.504929][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.504929][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.504929][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.504929][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.504929][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.504929][ T74] [ 2727.506943][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.506943][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.506943][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.506943][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.506943][ T74] ip6_route_add+0x1c/0x140 [ 2727.506943][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.506943][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.506943][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.506943][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.506943][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.506943][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.506943][ T74] netlink_unicast+0x449/0x710 [ 2727.506943][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.506943][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.506943][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.506943][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.506943][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.506943][ T74] [ 2727.508930][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.508930][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.508930][ T74] ipv6_find_idev+0x102/0x170 [ 2727.508930][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.508930][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.508930][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.508930][ T74] netlink_unicast+0x449/0x710 [ 2727.508930][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.508930][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.508930][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.508930][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.508930][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.508930][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.508930][ T74] [ 2727.510491][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2727.510491][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.510491][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.510491][ T74] ipv6_find_idev+0x102/0x170 [ 2727.510491][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.510491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.510491][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.510491][ T74] netlink_unicast+0x449/0x710 [ 2727.510491][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.510491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.510491][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.510491][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.510491][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.510491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.510491][ T74] [ 2727.512207][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2727.512448][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.512448][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.512448][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.512448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.512448][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.512448][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.512448][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.512448][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.512448][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.512448][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.512448][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.512448][ T74] process_one_work+0x84d/0x18a0 [ 2727.512448][ T74] worker_thread+0x587/0xd30 [ 2727.512448][ T74] kthread+0x28a/0x350 [ 2727.512448][ T74] ret_from_fork+0x31/0x70 [ 2727.512448][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.512448][ T74] [ 2727.514382][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.514382][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.514382][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.514382][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.514382][ T74] ip6_route_add+0x1c/0x140 [ 2727.514382][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.514382][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.514382][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.514382][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.514382][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.514382][ T74] netlink_unicast+0x449/0x710 [ 2727.514382][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.514382][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.514382][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.514382][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.514382][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.514382][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.514382][ T74] [ 2727.516708][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.516708][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.516708][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.516708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.516708][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.516708][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.516708][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.516708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.516708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.516708][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.516708][ T74] netlink_unicast+0x449/0x710 [ 2727.516708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.516708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.516708][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.516708][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.516708][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.516708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.516708][ T74] [ 2727.518901][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.518901][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.518901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.518901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.518901][ T74] ip6_route_add+0x1c/0x140 [ 2727.518901][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.518901][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.518901][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.518901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.518901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.518901][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.518901][ T74] netlink_unicast+0x449/0x710 [ 2727.518901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.518901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.518901][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.518901][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.518901][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.518901][ T74] [ 2727.521145][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.521145][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.521145][ T74] ipv6_find_idev+0x102/0x170 [ 2727.521145][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.521145][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.521145][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.521145][ T74] netlink_unicast+0x449/0x710 [ 2727.521145][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.521145][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.521145][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.521145][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.521145][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.521145][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.521145][ T74] [ 2727.522882][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2727.522882][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.522882][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.522882][ T74] ipv6_find_idev+0x102/0x170 [ 2727.522882][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.522882][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.522882][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.522882][ T74] netlink_unicast+0x449/0x710 [ 2727.522882][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.522882][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.522882][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.522882][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.522882][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.522882][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.522882][ T74] [ 2727.524779][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2727.525536][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.525536][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.525536][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.525536][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.525536][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2727.525536][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2727.525536][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2727.525536][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2727.525536][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2727.525536][ T74] addrconf_dad_begin+0x310/0x670 [ 2727.525536][ T74] addrconf_dad_work+0x10b/0xab0 [ 2727.525536][ T74] process_one_work+0x84d/0x18a0 [ 2727.525536][ T74] worker_thread+0x587/0xd30 [ 2727.525536][ T74] kthread+0x28a/0x350 [ 2727.525536][ T74] ret_from_fork+0x31/0x70 [ 2727.525536][ T74] ret_from_fork_asm+0x1a/0x30 [ 2727.525536][ T74] [ 2727.527464][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.527464][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.527464][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.527464][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.527464][ T74] ip6_route_add+0x1c/0x140 [ 2727.527464][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2727.527464][ T74] inet6_addr_add+0x4f8/0xa40 [ 2727.527464][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.527464][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.527464][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.527464][ T74] netlink_unicast+0x449/0x710 [ 2727.527464][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.527464][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.527464][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.527464][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.527464][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.527464][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.527464][ T74] [ 2727.529492][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.529492][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.529492][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.529492][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.529492][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2727.529492][ T74] ipv6_add_addr+0x411/0x2000 [ 2727.529492][ T74] inet6_addr_add+0x30e/0xa40 [ 2727.529492][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.529492][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.529492][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.529492][ T74] netlink_unicast+0x449/0x710 [ 2727.529492][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.529492][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.529492][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.529492][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.529492][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.529492][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.529492][ T74] [ 2727.531831][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.531831][ T74] netdev_get_by_index+0x5e/0x80 [ 2727.531831][ T74] fib6_nh_init+0x3d8/0x1580 [ 2727.531831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2727.531831][ T74] ip6_route_add+0x1c/0x140 [ 2727.531831][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2727.531831][ T74] addrconf_add_dev+0xe2/0x170 [ 2727.531831][ T74] inet6_addr_add+0x12f/0xa40 [ 2727.531831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2727.531831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.531831][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.531831][ T74] netlink_unicast+0x449/0x710 [ 2727.531831][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.531831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.531831][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.531831][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.531831][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.531831][ T74] [ 2727.534066][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.534066][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2727.534066][ T74] ipv6_find_idev+0x102/0x170 [ 2727.534066][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.534066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.534066][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.534066][ T74] netlink_unicast+0x449/0x710 [ 2727.534066][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.534066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.534066][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.534066][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.534066][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.534066][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.534066][ T74] [ 2727.535806][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2727.535806][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2727.535806][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2727.535806][ T74] ipv6_find_idev+0x102/0x170 [ 2727.535806][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2727.535806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2727.535806][ T74] netlink_rcv_skb+0x130/0x360 [ 2727.535806][ T74] netlink_unicast+0x449/0x710 [ 2727.535806][ T74] netlink_sendmsg+0x723/0xbe0 [ 2727.535806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2727.535806][ T74] ___sys_sendmsg+0xee/0x170 [ 2727.535806][ T74] __sys_sendmsg+0xcd/0x170 [ 2727.535806][ T74] do_syscall_64+0xc6/0x1e0 [ 2727.535806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2727.535806][ T74] [ 2728.128926][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2728.129388][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2728.129388][T16070] dst_init+0x84/0x4a0 [ 2728.129388][T16070] dst_alloc+0x97/0x150 [ 2728.129388][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.129388][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.129388][T16070] ip6_pol_route+0x56f/0x840 [ 2728.129388][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2728.129388][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2728.129388][T16070] fib6_rule_lookup+0x182/0x630 [ 2728.129388][T16070] ip6_route_output_flags+0x259/0x480 [ 2728.129388][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2728.129388][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2728.129388][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2728.129388][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2728.129388][T16070] ip6_datagram_connect+0x2c/0x50 [ 2728.129388][T16070] __sys_connect+0x217/0x2a0 [ 2728.129388][T16070] __x64_sys_connect+0x72/0xb0 [ 2728.129388][T16070] [ 2728.131707][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2728.131707][T16070] dst_init+0x84/0x4a0 [ 2728.131707][T16070] dst_alloc+0x97/0x150 [ 2728.131707][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.131707][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.131707][T16070] ip6_pol_route+0x56f/0x840 [ 2728.131707][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2728.131707][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2728.131707][T16070] fib6_rule_lookup+0x182/0x630 [ 2728.131707][T16070] ip6_route_output_flags+0x259/0x480 [ 2728.131707][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2728.131707][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2728.131707][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2728.131707][T16070] __inet_stream_connect+0x272/0x9f0 [ 2728.131707][T16070] inet_stream_connect+0x57/0xa0 [ 2728.131707][T16070] __sys_connect+0x217/0x2a0 [ 2728.131707][T16070] __x64_sys_connect+0x72/0xb0 [ 2728.131707][T16070] [ 2728.133981][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.133981][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2728.133981][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2728.133981][T16070] fib6_nh_init+0xa22/0x1580 [ 2728.133981][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.133981][T16070] ip6_route_add+0x1c/0x140 [ 2728.133981][T16070] inet6_rtm_newroute+0x104/0x110 [ 2728.133981][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.133981][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.133981][T16070] netlink_unicast+0x449/0x710 [ 2728.133981][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.133981][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.133981][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.133981][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.133981][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.133981][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.133981][T16070] [ 2728.136108][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.136108][T16070] dst_init+0x84/0x4a0 [ 2728.136108][T16070] dst_alloc+0x97/0x150 [ 2728.136108][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.136108][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.136108][T16070] ip6_pol_route+0x56f/0x840 [ 2728.136108][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2728.136108][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2728.136108][T16070] fib6_rule_lookup+0x182/0x630 [ 2728.136108][T16070] ip6_route_input+0x59c/0xa50 [ 2728.136108][T16070] ipv6_rcv+0x397/0x810 [ 2728.136108][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2728.136108][T16070] process_backlog+0x101/0x620 [ 2728.136108][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2728.136108][T16070] net_rx_action+0x495/0xbe0 [ 2728.136108][T16070] __do_softirq+0x1b5/0x7f6 [ 2728.136108][T16070] [ 2728.138217][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.138217][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.138217][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.138217][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.138217][T16070] ip6_route_add+0x1c/0x140 [ 2728.138217][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2728.138217][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2728.138217][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2728.138217][T16070] addrconf_dad_begin+0x310/0x670 [ 2728.138217][T16070] addrconf_dad_work+0x10b/0xab0 [ 2728.138217][T16070] process_one_work+0x84d/0x18a0 [ 2728.138217][T16070] worker_thread+0x587/0xd30 [ 2728.138217][T16070] kthread+0x28a/0x350 [ 2728.138217][T16070] ret_from_fork+0x31/0x70 [ 2728.138217][T16070] ret_from_fork_asm+0x1a/0x30 [ 2728.138217][T16070] [ 2728.140266][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.140266][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.140266][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.140266][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.140266][T16070] ip6_route_add+0x1c/0x140 [ 2728.140266][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2728.140266][T16070] inet6_addr_add+0x4f8/0xa40 [ 2728.140266][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.140266][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.140266][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.140266][T16070] netlink_unicast+0x449/0x710 [ 2728.140266][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.140266][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.140266][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.140266][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.140266][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.140266][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.140266][T16070] [ 2728.143060][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.143060][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.143060][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.143060][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.143060][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2728.143060][T16070] ipv6_add_addr+0x411/0x2000 [ 2728.143060][T16070] inet6_addr_add+0x30e/0xa40 [ 2728.143060][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.143060][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.143060][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.143060][T16070] netlink_unicast+0x449/0x710 [ 2728.143060][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.143060][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.143060][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.143060][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.143060][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.143060][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.143060][T16070] [ 2728.145322][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.145322][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.145322][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.145322][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.145322][T16070] ip6_route_add+0x1c/0x140 [ 2728.145322][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.145322][T16070] addrconf_add_dev+0xe2/0x170 [ 2728.145322][T16070] inet6_addr_add+0x12f/0xa40 [ 2728.145322][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.145322][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.145322][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.145322][T16070] netlink_unicast+0x449/0x710 [ 2728.145322][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.145322][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.145322][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.145322][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.145322][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.145322][T16070] [ 2728.147561][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.147561][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2728.147561][T16070] ipv6_find_idev+0x102/0x170 [ 2728.147561][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.147561][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.147561][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.147561][T16070] netlink_unicast+0x449/0x710 [ 2728.147561][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.147561][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.147561][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.147561][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.147561][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.147561][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.147561][T16070] [ 2728.149314][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2728.149314][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2728.149314][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2728.149314][T16070] ipv6_find_idev+0x102/0x170 [ 2728.149314][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.149314][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.149314][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.149314][T16070] netlink_unicast+0x449/0x710 [ 2728.149314][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.149314][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.149314][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.149314][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.149314][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.149314][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.149314][T16070] [ 2728.151240][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2728.151553][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2728.151553][T16070] dst_init+0x84/0x4a0 [ 2728.151553][T16070] dst_alloc+0x97/0x150 [ 2728.151553][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.151553][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.151553][T16070] ip6_pol_route+0x56f/0x840 [ 2728.151553][T16070] fib6_rule_lookup+0x334/0x630 [ 2728.151553][T16070] ip6_route_output_flags+0x259/0x480 [ 2728.151553][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2728.151553][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2728.151553][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2728.151553][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2728.151553][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2728.151553][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.151553][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.151553][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.151553][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.151553][T16070] [ 2728.153832][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.153832][T16070] dst_init+0x84/0x4a0 [ 2728.153832][T16070] dst_alloc+0x97/0x150 [ 2728.153832][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.153832][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.153832][T16070] ip6_pol_route+0x56f/0x840 [ 2728.153832][T16070] fib6_rule_lookup+0x334/0x630 [ 2728.153832][T16070] ip6_route_output_flags+0x259/0x480 [ 2728.153832][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2728.153832][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2728.153832][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2728.153832][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2728.153832][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2728.153832][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2728.153832][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2728.153832][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2728.153832][T16070] ip6_input_finish+0x120/0x260 [ 2728.153832][T16070] [ 2728.156136][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.156136][T16070] dst_init+0x84/0x4a0 [ 2728.156136][T16070] dst_alloc+0x97/0x150 [ 2728.156136][T16070] ip6_dst_alloc+0x23/0x90 [ 2728.156136][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2728.156136][T16070] ip6_pol_route+0x56f/0x840 [ 2728.156136][T16070] fib6_rule_lookup+0x456/0x630 [ 2728.156136][T16070] ip6_route_input+0x59c/0xa50 [ 2728.156136][T16070] ipv6_rcv+0x397/0x810 [ 2728.156136][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2728.156136][T16070] process_backlog+0x101/0x620 [ 2728.156136][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2728.156136][T16070] net_rx_action+0x495/0xbe0 [ 2728.156136][T16070] __do_softirq+0x1b5/0x7f6 [ 2728.156136][T16070] [ 2728.158001][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.158001][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.158001][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.158001][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.158001][T16070] ip6_route_add+0x1c/0x140 [ 2728.158001][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2728.158001][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2728.158001][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2728.158001][T16070] addrconf_dad_begin+0x310/0x670 [ 2728.158001][T16070] addrconf_dad_work+0x10b/0xab0 [ 2728.158001][T16070] process_one_work+0x84d/0x18a0 [ 2728.158001][T16070] worker_thread+0x587/0xd30 [ 2728.158001][T16070] kthread+0x28a/0x350 [ 2728.158001][T16070] ret_from_fork+0x31/0x70 [ 2728.158001][T16070] ret_from_fork_asm+0x1a/0x30 [ 2728.158001][T16070] [ 2728.160275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.160275][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.160275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.160275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.160275][T16070] ip6_route_add+0x1c/0x140 [ 2728.160275][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2728.160275][T16070] inet6_addr_add+0x4f8/0xa40 [ 2728.160275][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.160275][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.160275][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.160275][T16070] netlink_unicast+0x449/0x710 [ 2728.160275][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.160275][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.160275][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.160275][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.160275][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.160275][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.160275][T16070] [ 2728.162934][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.162934][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.162934][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.162934][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.162934][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2728.162934][T16070] ipv6_add_addr+0x411/0x2000 [ 2728.162934][T16070] inet6_addr_add+0x30e/0xa40 [ 2728.162934][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.162934][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.162934][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.162934][T16070] netlink_unicast+0x449/0x710 [ 2728.162934][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.162934][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.162934][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.162934][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.162934][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.162934][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.162934][T16070] [ 2728.165533][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.165533][T16070] netdev_get_by_index+0x5e/0x80 [ 2728.165533][T16070] fib6_nh_init+0x3d8/0x1580 [ 2728.165533][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2728.165533][T16070] ip6_route_add+0x1c/0x140 [ 2728.165533][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2728.165533][T16070] addrconf_add_dev+0xe2/0x170 [ 2728.165533][T16070] inet6_addr_add+0x12f/0xa40 [ 2728.165533][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2728.165533][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.165533][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.165533][T16070] netlink_unicast+0x449/0x710 [ 2728.165533][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.165533][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.165533][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.165533][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.165533][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.165533][T16070] [ 2728.168450][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.168450][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2728.168450][T16070] ipv6_find_idev+0x102/0x170 [ 2728.168450][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.168450][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.168450][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.168450][T16070] netlink_unicast+0x449/0x710 [ 2728.168450][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.168450][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.168450][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.168450][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.168450][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.168450][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.168450][T16070] [ 2728.170445][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2728.170445][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2728.170445][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2728.170445][T16070] ipv6_find_idev+0x102/0x170 [ 2728.170445][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2728.170445][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2728.170445][T16070] netlink_rcv_skb+0x130/0x360 [ 2728.170445][T16070] netlink_unicast+0x449/0x710 [ 2728.170445][T16070] netlink_sendmsg+0x723/0xbe0 [ 2728.170445][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2728.170445][T16070] ___sys_sendmsg+0xee/0x170 [ 2728.170445][T16070] __sys_sendmsg+0xcd/0x170 [ 2728.170445][T16070] do_syscall_64+0xc6/0x1e0 [ 2728.170445][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2728.170445][T16070] [ 2737.640860][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2737.641310][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.641310][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.641310][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.641310][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.641310][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2737.641310][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2737.641310][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2737.641310][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2737.641310][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2737.641310][ T74] addrconf_dad_begin+0x310/0x670 [ 2737.641310][ T74] addrconf_dad_work+0x10b/0xab0 [ 2737.641310][ T74] process_one_work+0x84d/0x18a0 [ 2737.641310][ T74] worker_thread+0x587/0xd30 [ 2737.641310][ T74] kthread+0x28a/0x350 [ 2737.641310][ T74] ret_from_fork+0x31/0x70 [ 2737.641310][ T74] ret_from_fork_asm+0x1a/0x30 [ 2737.641310][ T74] [ 2737.643482][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.643482][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.643482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.643482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.643482][ T74] ip6_route_add+0x1c/0x140 [ 2737.643482][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2737.643482][ T74] inet6_addr_add+0x4f8/0xa40 [ 2737.643482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.643482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.643482][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.643482][ T74] netlink_unicast+0x449/0x710 [ 2737.643482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.643482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.643482][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.643482][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.643482][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.643482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.643482][ T74] [ 2737.645757][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.645757][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.645757][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.645757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.645757][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2737.645757][ T74] ipv6_add_addr+0x411/0x2000 [ 2737.645757][ T74] inet6_addr_add+0x30e/0xa40 [ 2737.645757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.645757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.645757][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.645757][ T74] netlink_unicast+0x449/0x710 [ 2737.645757][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.645757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.645757][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.645757][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.645757][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.645757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.645757][ T74] [ 2737.647948][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.647948][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.647948][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.647948][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.647948][ T74] ip6_route_add+0x1c/0x140 [ 2737.647948][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2737.647948][ T74] addrconf_add_dev+0xe2/0x170 [ 2737.647948][ T74] inet6_addr_add+0x12f/0xa40 [ 2737.647948][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.647948][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.647948][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.647948][ T74] netlink_unicast+0x449/0x710 [ 2737.647948][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.647948][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.647948][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.647948][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.647948][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.647948][ T74] [ 2737.650157][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.650157][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2737.650157][ T74] ipv6_find_idev+0x102/0x170 [ 2737.650157][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.650157][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.650157][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.650157][ T74] netlink_unicast+0x449/0x710 [ 2737.650157][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.650157][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.650157][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.650157][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.650157][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.650157][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.650157][ T74] [ 2737.651836][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2737.651836][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2737.651836][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2737.651836][ T74] ipv6_find_idev+0x102/0x170 [ 2737.651836][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.651836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.651836][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.651836][ T74] netlink_unicast+0x449/0x710 [ 2737.651836][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.651836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.651836][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.651836][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.651836][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.651836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.651836][ T74] [ 2737.653696][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2737.653988][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.653988][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.653988][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.653988][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.653988][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2737.653988][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2737.653988][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2737.653988][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2737.653988][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2737.653988][ T74] addrconf_dad_begin+0x310/0x670 [ 2737.653988][ T74] addrconf_dad_work+0x10b/0xab0 [ 2737.653988][ T74] process_one_work+0x84d/0x18a0 [ 2737.653988][ T74] worker_thread+0x587/0xd30 [ 2737.653988][ T74] kthread+0x28a/0x350 [ 2737.653988][ T74] ret_from_fork+0x31/0x70 [ 2737.653988][ T74] ret_from_fork_asm+0x1a/0x30 [ 2737.653988][ T74] [ 2737.656138][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.656138][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.656138][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.656138][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.656138][ T74] ip6_route_add+0x1c/0x140 [ 2737.656138][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2737.656138][ T74] inet6_addr_add+0x4f8/0xa40 [ 2737.656138][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.656138][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.656138][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.656138][ T74] netlink_unicast+0x449/0x710 [ 2737.656138][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.656138][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.656138][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.656138][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.656138][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.656138][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.656138][ T74] [ 2737.658341][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.658341][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.658341][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.658341][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.658341][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2737.658341][ T74] ipv6_add_addr+0x411/0x2000 [ 2737.658341][ T74] inet6_addr_add+0x30e/0xa40 [ 2737.658341][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.658341][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.658341][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.658341][ T74] netlink_unicast+0x449/0x710 [ 2737.658341][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.658341][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.658341][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.658341][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.658341][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.658341][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.658341][ T74] [ 2737.660693][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.660693][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.660693][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.660693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.660693][ T74] ip6_route_add+0x1c/0x140 [ 2737.660693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2737.660693][ T74] addrconf_add_dev+0xe2/0x170 [ 2737.660693][ T74] inet6_addr_add+0x12f/0xa40 [ 2737.660693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.660693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.660693][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.660693][ T74] netlink_unicast+0x449/0x710 [ 2737.660693][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.660693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.660693][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.660693][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.660693][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.660693][ T74] [ 2737.662852][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.662852][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2737.662852][ T74] ipv6_find_idev+0x102/0x170 [ 2737.662852][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.662852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.662852][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.662852][ T74] netlink_unicast+0x449/0x710 [ 2737.662852][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.662852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.662852][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.662852][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.662852][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.662852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.662852][ T74] [ 2737.664541][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2737.664541][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2737.664541][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2737.664541][ T74] ipv6_find_idev+0x102/0x170 [ 2737.664541][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.664541][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.664541][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.664541][ T74] netlink_unicast+0x449/0x710 [ 2737.664541][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.664541][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.664541][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.664541][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.664541][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.664541][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.664541][ T74] [ 2737.666420][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2737.666680][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.666680][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.666680][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.666680][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.666680][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2737.666680][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2737.666680][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2737.666680][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2737.666680][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2737.666680][ T74] addrconf_dad_begin+0x310/0x670 [ 2737.666680][ T74] addrconf_dad_work+0x10b/0xab0 [ 2737.666680][ T74] process_one_work+0x84d/0x18a0 [ 2737.666680][ T74] worker_thread+0x587/0xd30 [ 2737.666680][ T74] kthread+0x28a/0x350 [ 2737.666680][ T74] ret_from_fork+0x31/0x70 [ 2737.666680][ T74] ret_from_fork_asm+0x1a/0x30 [ 2737.666680][ T74] [ 2737.669378][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.669378][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.669378][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.669378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.669378][ T74] ip6_route_add+0x1c/0x140 [ 2737.669378][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2737.669378][ T74] inet6_addr_add+0x4f8/0xa40 [ 2737.669378][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.669378][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.669378][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.669378][ T74] netlink_unicast+0x449/0x710 [ 2737.669378][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.669378][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.669378][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.669378][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.669378][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.669378][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.669378][ T74] [ 2737.671787][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.671787][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.671787][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.671787][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.671787][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2737.671787][ T74] ipv6_add_addr+0x411/0x2000 [ 2737.671787][ T74] inet6_addr_add+0x30e/0xa40 [ 2737.671787][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.671787][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.671787][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.671787][ T74] netlink_unicast+0x449/0x710 [ 2737.671787][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.671787][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.671787][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.671787][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.671787][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.671787][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.671787][ T74] [ 2737.674133][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.674133][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.674133][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.674133][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.674133][ T74] ip6_route_add+0x1c/0x140 [ 2737.674133][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2737.674133][ T74] addrconf_add_dev+0xe2/0x170 [ 2737.674133][ T74] inet6_addr_add+0x12f/0xa40 [ 2737.674133][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.674133][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.674133][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.674133][ T74] netlink_unicast+0x449/0x710 [ 2737.674133][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.674133][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.674133][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.674133][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.674133][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.674133][ T74] [ 2737.676535][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.676535][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2737.676535][ T74] ipv6_find_idev+0x102/0x170 [ 2737.676535][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.676535][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.676535][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.676535][ T74] netlink_unicast+0x449/0x710 [ 2737.676535][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.676535][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.676535][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.676535][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.676535][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.676535][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.676535][ T74] [ 2737.678345][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2737.678345][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2737.678345][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2737.678345][ T74] ipv6_find_idev+0x102/0x170 [ 2737.678345][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.678345][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.678345][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.678345][ T74] netlink_unicast+0x449/0x710 [ 2737.678345][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.678345][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.678345][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.678345][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.678345][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.678345][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.678345][ T74] [ 2737.680375][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2737.680639][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.680639][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.680639][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.680639][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.680639][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2737.680639][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2737.680639][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2737.680639][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2737.680639][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2737.680639][ T74] addrconf_dad_begin+0x310/0x670 [ 2737.680639][ T74] addrconf_dad_work+0x10b/0xab0 [ 2737.680639][ T74] process_one_work+0x84d/0x18a0 [ 2737.680639][ T74] worker_thread+0x587/0xd30 [ 2737.680639][ T74] kthread+0x28a/0x350 [ 2737.680639][ T74] ret_from_fork+0x31/0x70 [ 2737.680639][ T74] ret_from_fork_asm+0x1a/0x30 [ 2737.680639][ T74] [ 2737.682887][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.682887][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.682887][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.682887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.682887][ T74] ip6_route_add+0x1c/0x140 [ 2737.682887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2737.682887][ T74] inet6_addr_add+0x4f8/0xa40 [ 2737.682887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.682887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.682887][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.682887][ T74] netlink_unicast+0x449/0x710 [ 2737.682887][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.682887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.682887][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.682887][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.682887][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.682887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.682887][ T74] [ 2737.685280][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.685280][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.685280][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.685280][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.685280][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2737.685280][ T74] ipv6_add_addr+0x411/0x2000 [ 2737.685280][ T74] inet6_addr_add+0x30e/0xa40 [ 2737.685280][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.685280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.685280][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.685280][ T74] netlink_unicast+0x449/0x710 [ 2737.685280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.685280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.685280][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.685280][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.685280][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.685280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.685280][ T74] [ 2737.687655][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.687655][ T74] netdev_get_by_index+0x5e/0x80 [ 2737.687655][ T74] fib6_nh_init+0x3d8/0x1580 [ 2737.687655][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2737.687655][ T74] ip6_route_add+0x1c/0x140 [ 2737.687655][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2737.687655][ T74] addrconf_add_dev+0xe2/0x170 [ 2737.687655][ T74] inet6_addr_add+0x12f/0xa40 [ 2737.687655][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2737.687655][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.687655][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.687655][ T74] netlink_unicast+0x449/0x710 [ 2737.687655][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.687655][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.687655][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.687655][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.687655][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.687655][ T74] [ 2737.690027][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.690027][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2737.690027][ T74] ipv6_find_idev+0x102/0x170 [ 2737.690027][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.690027][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.690027][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.690027][ T74] netlink_unicast+0x449/0x710 [ 2737.690027][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.690027][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.690027][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.690027][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.690027][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.690027][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.690027][ T74] [ 2737.691800][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2737.691800][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2737.691800][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2737.691800][ T74] ipv6_find_idev+0x102/0x170 [ 2737.691800][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2737.691800][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2737.691800][ T74] netlink_rcv_skb+0x130/0x360 [ 2737.691800][ T74] netlink_unicast+0x449/0x710 [ 2737.691800][ T74] netlink_sendmsg+0x723/0xbe0 [ 2737.691800][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2737.691800][ T74] ___sys_sendmsg+0xee/0x170 [ 2737.691800][ T74] __sys_sendmsg+0xcd/0x170 [ 2737.691800][ T74] do_syscall_64+0xc6/0x1e0 [ 2737.691800][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2737.691800][ T74] [ 2738.408947][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2738.409469][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2738.409469][T16070] dst_init+0x84/0x4a0 [ 2738.409469][T16070] dst_alloc+0x97/0x150 [ 2738.409469][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.409469][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.409469][T16070] ip6_pol_route+0x56f/0x840 [ 2738.409469][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2738.409469][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2738.409469][T16070] fib6_rule_lookup+0x182/0x630 [ 2738.409469][T16070] ip6_route_output_flags+0x259/0x480 [ 2738.409469][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2738.409469][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2738.409469][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2738.409469][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2738.409469][T16070] ip6_datagram_connect+0x2c/0x50 [ 2738.409469][T16070] __sys_connect+0x217/0x2a0 [ 2738.409469][T16070] __x64_sys_connect+0x72/0xb0 [ 2738.409469][T16070] [ 2738.412440][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2738.412440][T16070] dst_init+0x84/0x4a0 [ 2738.412440][T16070] dst_alloc+0x97/0x150 [ 2738.412440][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.412440][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.412440][T16070] ip6_pol_route+0x56f/0x840 [ 2738.412440][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2738.412440][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2738.412440][T16070] fib6_rule_lookup+0x182/0x630 [ 2738.412440][T16070] ip6_route_output_flags+0x259/0x480 [ 2738.412440][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2738.412440][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2738.412440][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2738.412440][T16070] __inet_stream_connect+0x272/0x9f0 [ 2738.412440][T16070] inet_stream_connect+0x57/0xa0 [ 2738.412440][T16070] __sys_connect+0x217/0x2a0 [ 2738.412440][T16070] __x64_sys_connect+0x72/0xb0 [ 2738.412440][T16070] [ 2738.414912][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.414912][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2738.414912][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2738.414912][T16070] fib6_nh_init+0xa22/0x1580 [ 2738.414912][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.414912][T16070] ip6_route_add+0x1c/0x140 [ 2738.414912][T16070] inet6_rtm_newroute+0x104/0x110 [ 2738.414912][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.414912][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.414912][T16070] netlink_unicast+0x449/0x710 [ 2738.414912][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.414912][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.414912][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.414912][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.414912][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.414912][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.414912][T16070] [ 2738.417280][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.417280][T16070] dst_init+0x84/0x4a0 [ 2738.417280][T16070] dst_alloc+0x97/0x150 [ 2738.417280][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.417280][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.417280][T16070] ip6_pol_route+0x56f/0x840 [ 2738.417280][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2738.417280][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2738.417280][T16070] fib6_rule_lookup+0x182/0x630 [ 2738.417280][T16070] ip6_route_input+0x59c/0xa50 [ 2738.417280][T16070] ipv6_rcv+0x397/0x810 [ 2738.417280][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.417280][T16070] process_backlog+0x101/0x620 [ 2738.417280][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2738.417280][T16070] net_rx_action+0x495/0xbe0 [ 2738.417280][T16070] __do_softirq+0x1b5/0x7f6 [ 2738.417280][T16070] [ 2738.419594][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.419594][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.419594][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.419594][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.419594][T16070] ip6_route_add+0x1c/0x140 [ 2738.419594][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2738.419594][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2738.419594][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2738.419594][T16070] addrconf_dad_begin+0x310/0x670 [ 2738.419594][T16070] addrconf_dad_work+0x10b/0xab0 [ 2738.419594][T16070] process_one_work+0x84d/0x18a0 [ 2738.419594][T16070] worker_thread+0x587/0xd30 [ 2738.419594][T16070] kthread+0x28a/0x350 [ 2738.419594][T16070] ret_from_fork+0x31/0x70 [ 2738.419594][T16070] ret_from_fork_asm+0x1a/0x30 [ 2738.419594][T16070] [ 2738.421845][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.421845][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.421845][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.421845][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.421845][T16070] ip6_route_add+0x1c/0x140 [ 2738.421845][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2738.421845][T16070] inet6_addr_add+0x4f8/0xa40 [ 2738.421845][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.421845][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.421845][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.421845][T16070] netlink_unicast+0x449/0x710 [ 2738.421845][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.421845][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.421845][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.421845][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.421845][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.421845][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.421845][T16070] [ 2738.424373][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.424373][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.424373][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.424373][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.424373][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2738.424373][T16070] ipv6_add_addr+0x411/0x2000 [ 2738.424373][T16070] inet6_addr_add+0x30e/0xa40 [ 2738.424373][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.424373][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.424373][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.424373][T16070] netlink_unicast+0x449/0x710 [ 2738.424373][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.424373][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.424373][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.424373][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.424373][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.424373][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.424373][T16070] [ 2738.426834][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.426834][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.426834][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.426834][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.426834][T16070] ip6_route_add+0x1c/0x140 [ 2738.426834][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.426834][T16070] addrconf_add_dev+0xe2/0x170 [ 2738.426834][T16070] inet6_addr_add+0x12f/0xa40 [ 2738.426834][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.426834][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.426834][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.426834][T16070] netlink_unicast+0x449/0x710 [ 2738.426834][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.426834][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.426834][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.426834][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.426834][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.426834][T16070] [ 2738.429266][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.429266][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2738.429266][T16070] ipv6_find_idev+0x102/0x170 [ 2738.429266][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.429266][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.429266][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.429266][T16070] netlink_unicast+0x449/0x710 [ 2738.429266][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.429266][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.429266][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.429266][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.429266][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.429266][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.429266][T16070] [ 2738.431172][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2738.431172][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2738.431172][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2738.431172][T16070] ipv6_find_idev+0x102/0x170 [ 2738.431172][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.431172][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.431172][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.431172][T16070] netlink_unicast+0x449/0x710 [ 2738.431172][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.431172][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.431172][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.431172][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.431172][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.431172][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.431172][T16070] [ 2738.433261][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2738.433598][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2738.433598][T16070] dst_init+0x84/0x4a0 [ 2738.433598][T16070] dst_alloc+0x97/0x150 [ 2738.433598][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.433598][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.433598][T16070] ip6_pol_route+0x56f/0x840 [ 2738.433598][T16070] fib6_rule_lookup+0x334/0x630 [ 2738.433598][T16070] ip6_route_output_flags+0x259/0x480 [ 2738.433598][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2738.433598][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2738.433598][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2738.433598][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2738.433598][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2738.433598][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.433598][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.433598][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.433598][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.433598][T16070] [ 2738.436095][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.436095][T16070] dst_init+0x84/0x4a0 [ 2738.436095][T16070] dst_alloc+0x97/0x150 [ 2738.436095][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.436095][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.436095][T16070] ip6_pol_route+0x56f/0x840 [ 2738.436095][T16070] fib6_rule_lookup+0x334/0x630 [ 2738.436095][T16070] ip6_route_output_flags+0x259/0x480 [ 2738.436095][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2738.436095][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2738.436095][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2738.436095][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2738.436095][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2738.436095][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2738.436095][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2738.436095][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2738.436095][T16070] ip6_input_finish+0x120/0x260 [ 2738.436095][T16070] [ 2738.438714][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.438714][T16070] dst_init+0x84/0x4a0 [ 2738.438714][T16070] dst_alloc+0x97/0x150 [ 2738.438714][T16070] ip6_dst_alloc+0x23/0x90 [ 2738.438714][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2738.438714][T16070] ip6_pol_route+0x56f/0x840 [ 2738.438714][T16070] fib6_rule_lookup+0x456/0x630 [ 2738.438714][T16070] ip6_route_input+0x59c/0xa50 [ 2738.438714][T16070] ipv6_rcv+0x397/0x810 [ 2738.438714][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2738.438714][T16070] process_backlog+0x101/0x620 [ 2738.438714][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2738.438714][T16070] net_rx_action+0x495/0xbe0 [ 2738.438714][T16070] __do_softirq+0x1b5/0x7f6 [ 2738.438714][T16070] [ 2738.440749][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.440749][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.440749][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.440749][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.440749][T16070] ip6_route_add+0x1c/0x140 [ 2738.440749][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2738.440749][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2738.440749][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2738.440749][T16070] addrconf_dad_begin+0x310/0x670 [ 2738.440749][T16070] addrconf_dad_work+0x10b/0xab0 [ 2738.440749][T16070] process_one_work+0x84d/0x18a0 [ 2738.440749][T16070] worker_thread+0x587/0xd30 [ 2738.440749][T16070] kthread+0x28a/0x350 [ 2738.440749][T16070] ret_from_fork+0x31/0x70 [ 2738.440749][T16070] ret_from_fork_asm+0x1a/0x30 [ 2738.440749][T16070] [ 2738.443139][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.443139][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.443139][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.443139][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.443139][T16070] ip6_route_add+0x1c/0x140 [ 2738.443139][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2738.443139][T16070] inet6_addr_add+0x4f8/0xa40 [ 2738.443139][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.443139][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.443139][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.443139][T16070] netlink_unicast+0x449/0x710 [ 2738.443139][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.443139][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.443139][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.443139][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.443139][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.443139][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.443139][T16070] [ 2738.446042][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.446042][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.446042][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.446042][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.446042][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2738.446042][T16070] ipv6_add_addr+0x411/0x2000 [ 2738.446042][T16070] inet6_addr_add+0x30e/0xa40 [ 2738.446042][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.446042][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.446042][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.446042][T16070] netlink_unicast+0x449/0x710 [ 2738.446042][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.446042][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.446042][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.446042][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.446042][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.446042][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.446042][T16070] [ 2738.448802][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.448802][T16070] netdev_get_by_index+0x5e/0x80 [ 2738.448802][T16070] fib6_nh_init+0x3d8/0x1580 [ 2738.448802][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2738.448802][T16070] ip6_route_add+0x1c/0x140 [ 2738.448802][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2738.448802][T16070] addrconf_add_dev+0xe2/0x170 [ 2738.448802][T16070] inet6_addr_add+0x12f/0xa40 [ 2738.448802][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2738.448802][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.448802][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.448802][T16070] netlink_unicast+0x449/0x710 [ 2738.448802][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.448802][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.448802][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.448802][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.448802][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.448802][T16070] [ 2738.451504][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.451504][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2738.451504][T16070] ipv6_find_idev+0x102/0x170 [ 2738.451504][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.451504][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.451504][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.451504][T16070] netlink_unicast+0x449/0x710 [ 2738.451504][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.451504][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.451504][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.451504][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.451504][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.451504][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.451504][T16070] [ 2738.453608][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2738.453608][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2738.453608][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2738.453608][T16070] ipv6_find_idev+0x102/0x170 [ 2738.453608][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2738.453608][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2738.453608][T16070] netlink_rcv_skb+0x130/0x360 [ 2738.453608][T16070] netlink_unicast+0x449/0x710 [ 2738.453608][T16070] netlink_sendmsg+0x723/0xbe0 [ 2738.453608][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2738.453608][T16070] ___sys_sendmsg+0xee/0x170 [ 2738.453608][T16070] __sys_sendmsg+0xcd/0x170 [ 2738.453608][T16070] do_syscall_64+0xc6/0x1e0 [ 2738.453608][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2738.453608][T16070] [ 2747.944923][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2747.945371][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.945371][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.945371][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.945371][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.945371][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2747.945371][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2747.945371][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2747.945371][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2747.945371][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2747.945371][ T74] addrconf_dad_begin+0x310/0x670 [ 2747.945371][ T74] addrconf_dad_work+0x10b/0xab0 [ 2747.945371][ T74] process_one_work+0x84d/0x18a0 [ 2747.945371][ T74] worker_thread+0x587/0xd30 [ 2747.945371][ T74] kthread+0x28a/0x350 [ 2747.945371][ T74] ret_from_fork+0x31/0x70 [ 2747.945371][ T74] ret_from_fork_asm+0x1a/0x30 [ 2747.945371][ T74] [ 2747.947566][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.947566][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.947566][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.947566][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.947566][ T74] ip6_route_add+0x1c/0x140 [ 2747.947566][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2747.947566][ T74] inet6_addr_add+0x4f8/0xa40 [ 2747.947566][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.947566][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.947566][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.947566][ T74] netlink_unicast+0x449/0x710 [ 2747.947566][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.947566][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.947566][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.947566][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.947566][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.947566][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.947566][ T74] [ 2747.949838][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.949838][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.949838][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.949838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.949838][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2747.949838][ T74] ipv6_add_addr+0x411/0x2000 [ 2747.949838][ T74] inet6_addr_add+0x30e/0xa40 [ 2747.949838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.949838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.949838][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.949838][ T74] netlink_unicast+0x449/0x710 [ 2747.949838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.949838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.949838][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.949838][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.949838][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.949838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.949838][ T74] [ 2747.952087][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.952087][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.952087][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.952087][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.952087][ T74] ip6_route_add+0x1c/0x140 [ 2747.952087][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2747.952087][ T74] addrconf_add_dev+0xe2/0x170 [ 2747.952087][ T74] inet6_addr_add+0x12f/0xa40 [ 2747.952087][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.952087][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.952087][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.952087][ T74] netlink_unicast+0x449/0x710 [ 2747.952087][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.952087][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.952087][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.952087][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.952087][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.952087][ T74] [ 2747.954272][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.954272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2747.954272][ T74] ipv6_find_idev+0x102/0x170 [ 2747.954272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.954272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.954272][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.954272][ T74] netlink_unicast+0x449/0x710 [ 2747.954272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.954272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.954272][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.954272][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.954272][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.954272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.954272][ T74] [ 2747.955996][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2747.955996][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2747.955996][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2747.955996][ T74] ipv6_find_idev+0x102/0x170 [ 2747.955996][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.955996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.955996][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.955996][ T74] netlink_unicast+0x449/0x710 [ 2747.955996][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.955996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.955996][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.955996][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.955996][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.955996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.955996][ T74] [ 2747.957907][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2747.958171][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.958171][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.958171][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.958171][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.958171][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2747.958171][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2747.958171][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2747.958171][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2747.958171][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2747.958171][ T74] addrconf_dad_begin+0x310/0x670 [ 2747.958171][ T74] addrconf_dad_work+0x10b/0xab0 [ 2747.958171][ T74] process_one_work+0x84d/0x18a0 [ 2747.958171][ T74] worker_thread+0x587/0xd30 [ 2747.958171][ T74] kthread+0x28a/0x350 [ 2747.958171][ T74] ret_from_fork+0x31/0x70 [ 2747.958171][ T74] ret_from_fork_asm+0x1a/0x30 [ 2747.958171][ T74] [ 2747.960334][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.960334][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.960334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.960334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.960334][ T74] ip6_route_add+0x1c/0x140 [ 2747.960334][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2747.960334][ T74] inet6_addr_add+0x4f8/0xa40 [ 2747.960334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.960334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.960334][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.960334][ T74] netlink_unicast+0x449/0x710 [ 2747.960334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.960334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.960334][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.960334][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.960334][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.960334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.960334][ T74] [ 2747.962666][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.962666][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.962666][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.962666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.962666][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2747.962666][ T74] ipv6_add_addr+0x411/0x2000 [ 2747.962666][ T74] inet6_addr_add+0x30e/0xa40 [ 2747.962666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.962666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.962666][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.962666][ T74] netlink_unicast+0x449/0x710 [ 2747.962666][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.962666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.962666][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.962666][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.962666][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.962666][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.962666][ T74] [ 2747.964901][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.964901][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.964901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.964901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.964901][ T74] ip6_route_add+0x1c/0x140 [ 2747.964901][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2747.964901][ T74] addrconf_add_dev+0xe2/0x170 [ 2747.964901][ T74] inet6_addr_add+0x12f/0xa40 [ 2747.964901][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.964901][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.964901][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.964901][ T74] netlink_unicast+0x449/0x710 [ 2747.964901][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.964901][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.964901][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.964901][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.964901][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.964901][ T74] [ 2747.967109][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.967109][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2747.967109][ T74] ipv6_find_idev+0x102/0x170 [ 2747.967109][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.967109][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.967109][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.967109][ T74] netlink_unicast+0x449/0x710 [ 2747.967109][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.967109][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.967109][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.967109][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.967109][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.967109][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.967109][ T74] [ 2747.968820][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2747.968820][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2747.968820][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2747.968820][ T74] ipv6_find_idev+0x102/0x170 [ 2747.968820][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.968820][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.968820][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.968820][ T74] netlink_unicast+0x449/0x710 [ 2747.968820][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.968820][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.968820][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.968820][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.968820][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.968820][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.968820][ T74] [ 2747.970724][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2747.970997][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.970997][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.970997][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.970997][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.970997][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2747.970997][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2747.970997][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2747.970997][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2747.970997][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2747.970997][ T74] addrconf_dad_begin+0x310/0x670 [ 2747.970997][ T74] addrconf_dad_work+0x10b/0xab0 [ 2747.970997][ T74] process_one_work+0x84d/0x18a0 [ 2747.970997][ T74] worker_thread+0x587/0xd30 [ 2747.970997][ T74] kthread+0x28a/0x350 [ 2747.970997][ T74] ret_from_fork+0x31/0x70 [ 2747.970997][ T74] ret_from_fork_asm+0x1a/0x30 [ 2747.970997][ T74] [ 2747.973182][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.973182][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.973182][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.973182][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.973182][ T74] ip6_route_add+0x1c/0x140 [ 2747.973182][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2747.973182][ T74] inet6_addr_add+0x4f8/0xa40 [ 2747.973182][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.973182][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.973182][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.973182][ T74] netlink_unicast+0x449/0x710 [ 2747.973182][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.973182][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.973182][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.973182][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.973182][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.973182][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.973182][ T74] [ 2747.975626][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.975626][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.975626][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.975626][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.975626][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2747.975626][ T74] ipv6_add_addr+0x411/0x2000 [ 2747.975626][ T74] inet6_addr_add+0x30e/0xa40 [ 2747.975626][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.975626][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.975626][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.975626][ T74] netlink_unicast+0x449/0x710 [ 2747.975626][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.975626][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.975626][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.975626][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.975626][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.975626][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.975626][ T74] [ 2747.978140][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.978140][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.978140][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.978140][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.978140][ T74] ip6_route_add+0x1c/0x140 [ 2747.978140][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2747.978140][ T74] addrconf_add_dev+0xe2/0x170 [ 2747.978140][ T74] inet6_addr_add+0x12f/0xa40 [ 2747.978140][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.978140][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.978140][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.978140][ T74] netlink_unicast+0x449/0x710 [ 2747.978140][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.978140][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.978140][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.978140][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.978140][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.978140][ T74] [ 2747.980672][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.980672][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2747.980672][ T74] ipv6_find_idev+0x102/0x170 [ 2747.980672][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.980672][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.980672][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.980672][ T74] netlink_unicast+0x449/0x710 [ 2747.980672][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.980672][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.980672][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.980672][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.980672][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.980672][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.980672][ T74] [ 2747.982597][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2747.982597][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2747.982597][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2747.982597][ T74] ipv6_find_idev+0x102/0x170 [ 2747.982597][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.982597][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.982597][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.982597][ T74] netlink_unicast+0x449/0x710 [ 2747.982597][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.982597][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.982597][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.982597][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.982597][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.982597][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.982597][ T74] [ 2747.984675][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2747.985457][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.985457][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.985457][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.985457][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.985457][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2747.985457][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2747.985457][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2747.985457][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2747.985457][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2747.985457][ T74] addrconf_dad_begin+0x310/0x670 [ 2747.985457][ T74] addrconf_dad_work+0x10b/0xab0 [ 2747.985457][ T74] process_one_work+0x84d/0x18a0 [ 2747.985457][ T74] worker_thread+0x587/0xd30 [ 2747.985457][ T74] kthread+0x28a/0x350 [ 2747.985457][ T74] ret_from_fork+0x31/0x70 [ 2747.985457][ T74] ret_from_fork_asm+0x1a/0x30 [ 2747.985457][ T74] [ 2747.987607][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.987607][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.987607][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.987607][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.987607][ T74] ip6_route_add+0x1c/0x140 [ 2747.987607][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2747.987607][ T74] inet6_addr_add+0x4f8/0xa40 [ 2747.987607][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.987607][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.987607][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.987607][ T74] netlink_unicast+0x449/0x710 [ 2747.987607][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.987607][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.987607][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.987607][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.987607][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.987607][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.987607][ T74] [ 2747.989912][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.989912][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.989912][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.989912][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.989912][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2747.989912][ T74] ipv6_add_addr+0x411/0x2000 [ 2747.989912][ T74] inet6_addr_add+0x30e/0xa40 [ 2747.989912][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.989912][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.989912][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.989912][ T74] netlink_unicast+0x449/0x710 [ 2747.989912][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.989912][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.989912][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.989912][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.989912][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.989912][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.989912][ T74] [ 2747.992418][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.992418][ T74] netdev_get_by_index+0x5e/0x80 [ 2747.992418][ T74] fib6_nh_init+0x3d8/0x1580 [ 2747.992418][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2747.992418][ T74] ip6_route_add+0x1c/0x140 [ 2747.992418][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2747.992418][ T74] addrconf_add_dev+0xe2/0x170 [ 2747.992418][ T74] inet6_addr_add+0x12f/0xa40 [ 2747.992418][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2747.992418][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.992418][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.992418][ T74] netlink_unicast+0x449/0x710 [ 2747.992418][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.992418][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.992418][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.992418][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.992418][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.992418][ T74] [ 2747.994909][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.994909][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2747.994909][ T74] ipv6_find_idev+0x102/0x170 [ 2747.994909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.994909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.994909][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.994909][ T74] netlink_unicast+0x449/0x710 [ 2747.994909][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.994909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.994909][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.994909][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.994909][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.994909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.994909][ T74] [ 2747.996807][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2747.996807][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2747.996807][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2747.996807][ T74] ipv6_find_idev+0x102/0x170 [ 2747.996807][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2747.996807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2747.996807][ T74] netlink_rcv_skb+0x130/0x360 [ 2747.996807][ T74] netlink_unicast+0x449/0x710 [ 2747.996807][ T74] netlink_sendmsg+0x723/0xbe0 [ 2747.996807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2747.996807][ T74] ___sys_sendmsg+0xee/0x170 [ 2747.996807][ T74] __sys_sendmsg+0xcd/0x170 [ 2747.996807][ T74] do_syscall_64+0xc6/0x1e0 [ 2747.996807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2747.996807][ T74] [ 2748.696883][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2748.697359][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2748.697359][T16070] dst_init+0x84/0x4a0 [ 2748.697359][T16070] dst_alloc+0x97/0x150 [ 2748.697359][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.697359][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.697359][T16070] ip6_pol_route+0x56f/0x840 [ 2748.697359][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2748.697359][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2748.697359][T16070] fib6_rule_lookup+0x182/0x630 [ 2748.697359][T16070] ip6_route_output_flags+0x259/0x480 [ 2748.697359][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2748.697359][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2748.697359][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2748.697359][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2748.697359][T16070] ip6_datagram_connect+0x2c/0x50 [ 2748.697359][T16070] __sys_connect+0x217/0x2a0 [ 2748.697359][T16070] __x64_sys_connect+0x72/0xb0 [ 2748.697359][T16070] [ 2748.699663][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2748.699663][T16070] dst_init+0x84/0x4a0 [ 2748.699663][T16070] dst_alloc+0x97/0x150 [ 2748.699663][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.699663][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.699663][T16070] ip6_pol_route+0x56f/0x840 [ 2748.699663][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2748.699663][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2748.699663][T16070] fib6_rule_lookup+0x182/0x630 [ 2748.699663][T16070] ip6_route_output_flags+0x259/0x480 [ 2748.699663][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2748.699663][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2748.699663][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2748.699663][T16070] __inet_stream_connect+0x272/0x9f0 [ 2748.699663][T16070] inet_stream_connect+0x57/0xa0 [ 2748.699663][T16070] __sys_connect+0x217/0x2a0 [ 2748.699663][T16070] __x64_sys_connect+0x72/0xb0 [ 2748.699663][T16070] [ 2748.701911][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.701911][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2748.701911][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2748.701911][T16070] fib6_nh_init+0xa22/0x1580 [ 2748.701911][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.701911][T16070] ip6_route_add+0x1c/0x140 [ 2748.701911][T16070] inet6_rtm_newroute+0x104/0x110 [ 2748.701911][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.701911][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.701911][T16070] netlink_unicast+0x449/0x710 [ 2748.701911][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.701911][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.701911][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.701911][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.701911][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.701911][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.701911][T16070] [ 2748.704014][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.704014][T16070] dst_init+0x84/0x4a0 [ 2748.704014][T16070] dst_alloc+0x97/0x150 [ 2748.704014][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.704014][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.704014][T16070] ip6_pol_route+0x56f/0x840 [ 2748.704014][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2748.704014][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2748.704014][T16070] fib6_rule_lookup+0x182/0x630 [ 2748.704014][T16070] ip6_route_input+0x59c/0xa50 [ 2748.704014][T16070] ipv6_rcv+0x397/0x810 [ 2748.704014][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.704014][T16070] process_backlog+0x101/0x620 [ 2748.704014][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2748.704014][T16070] net_rx_action+0x495/0xbe0 [ 2748.704014][T16070] __do_softirq+0x1b5/0x7f6 [ 2748.704014][T16070] [ 2748.706082][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.706082][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.706082][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.706082][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.706082][T16070] ip6_route_add+0x1c/0x140 [ 2748.706082][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2748.706082][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2748.706082][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2748.706082][T16070] addrconf_dad_begin+0x310/0x670 [ 2748.706082][T16070] addrconf_dad_work+0x10b/0xab0 [ 2748.706082][T16070] process_one_work+0x84d/0x18a0 [ 2748.706082][T16070] worker_thread+0x587/0xd30 [ 2748.706082][T16070] kthread+0x28a/0x350 [ 2748.706082][T16070] ret_from_fork+0x31/0x70 [ 2748.706082][T16070] ret_from_fork_asm+0x1a/0x30 [ 2748.706082][T16070] [ 2748.708079][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.708079][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.708079][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.708079][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.708079][T16070] ip6_route_add+0x1c/0x140 [ 2748.708079][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2748.708079][T16070] inet6_addr_add+0x4f8/0xa40 [ 2748.708079][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.708079][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.708079][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.708079][T16070] netlink_unicast+0x449/0x710 [ 2748.708079][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.708079][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.708079][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.708079][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.708079][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.708079][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.708079][T16070] [ 2748.710407][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.710407][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.710407][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.710407][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.710407][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2748.710407][T16070] ipv6_add_addr+0x411/0x2000 [ 2748.710407][T16070] inet6_addr_add+0x30e/0xa40 [ 2748.710407][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.710407][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.710407][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.710407][T16070] netlink_unicast+0x449/0x710 [ 2748.710407][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.710407][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.710407][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.710407][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.710407][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.710407][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.710407][T16070] [ 2748.712662][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.712662][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.712662][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.712662][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.712662][T16070] ip6_route_add+0x1c/0x140 [ 2748.712662][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.712662][T16070] addrconf_add_dev+0xe2/0x170 [ 2748.712662][T16070] inet6_addr_add+0x12f/0xa40 [ 2748.712662][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.712662][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.712662][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.712662][T16070] netlink_unicast+0x449/0x710 [ 2748.712662][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.712662][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.712662][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.712662][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.712662][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.712662][T16070] [ 2748.714898][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.714898][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2748.714898][T16070] ipv6_find_idev+0x102/0x170 [ 2748.714898][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.714898][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.714898][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.714898][T16070] netlink_unicast+0x449/0x710 [ 2748.714898][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.714898][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.714898][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.714898][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.714898][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.714898][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.714898][T16070] [ 2748.716627][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2748.716627][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2748.716627][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2748.716627][T16070] ipv6_find_idev+0x102/0x170 [ 2748.716627][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.716627][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.716627][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.716627][T16070] netlink_unicast+0x449/0x710 [ 2748.716627][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.716627][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.716627][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.716627][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.716627][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.716627][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.716627][T16070] [ 2748.718524][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2748.718834][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2748.718834][T16070] dst_init+0x84/0x4a0 [ 2748.718834][T16070] dst_alloc+0x97/0x150 [ 2748.718834][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.718834][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.718834][T16070] ip6_pol_route+0x56f/0x840 [ 2748.718834][T16070] fib6_rule_lookup+0x334/0x630 [ 2748.718834][T16070] ip6_route_output_flags+0x259/0x480 [ 2748.718834][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2748.718834][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2748.718834][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2748.718834][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2748.718834][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2748.718834][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.718834][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.718834][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.718834][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.718834][T16070] [ 2748.721085][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.721085][T16070] dst_init+0x84/0x4a0 [ 2748.721085][T16070] dst_alloc+0x97/0x150 [ 2748.721085][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.721085][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.721085][T16070] ip6_pol_route+0x56f/0x840 [ 2748.721085][T16070] fib6_rule_lookup+0x334/0x630 [ 2748.721085][T16070] ip6_route_output_flags+0x259/0x480 [ 2748.721085][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2748.721085][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2748.721085][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2748.721085][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2748.721085][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2748.721085][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2748.721085][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2748.721085][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2748.721085][T16070] ip6_input_finish+0x120/0x260 [ 2748.721085][T16070] [ 2748.723358][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.723358][T16070] dst_init+0x84/0x4a0 [ 2748.723358][T16070] dst_alloc+0x97/0x150 [ 2748.723358][T16070] ip6_dst_alloc+0x23/0x90 [ 2748.723358][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2748.723358][T16070] ip6_pol_route+0x56f/0x840 [ 2748.723358][T16070] fib6_rule_lookup+0x456/0x630 [ 2748.723358][T16070] ip6_route_input+0x59c/0xa50 [ 2748.723358][T16070] ipv6_rcv+0x397/0x810 [ 2748.723358][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2748.723358][T16070] process_backlog+0x101/0x620 [ 2748.723358][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2748.723358][T16070] net_rx_action+0x495/0xbe0 [ 2748.723358][T16070] __do_softirq+0x1b5/0x7f6 [ 2748.723358][T16070] [ 2748.725205][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.725205][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.725205][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.725205][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.725205][T16070] ip6_route_add+0x1c/0x140 [ 2748.725205][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2748.725205][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2748.725205][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2748.725205][T16070] addrconf_dad_begin+0x310/0x670 [ 2748.725205][T16070] addrconf_dad_work+0x10b/0xab0 [ 2748.725205][T16070] process_one_work+0x84d/0x18a0 [ 2748.725205][T16070] worker_thread+0x587/0xd30 [ 2748.725205][T16070] kthread+0x28a/0x350 [ 2748.725205][T16070] ret_from_fork+0x31/0x70 [ 2748.725205][T16070] ret_from_fork_asm+0x1a/0x30 [ 2748.725205][T16070] [ 2748.727438][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.727438][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.727438][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.727438][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.727438][T16070] ip6_route_add+0x1c/0x140 [ 2748.727438][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2748.727438][T16070] inet6_addr_add+0x4f8/0xa40 [ 2748.727438][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.727438][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.727438][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.727438][T16070] netlink_unicast+0x449/0x710 [ 2748.727438][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.727438][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.727438][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.727438][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.727438][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.727438][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.727438][T16070] [ 2748.729994][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.729994][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.729994][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.729994][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.729994][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2748.729994][T16070] ipv6_add_addr+0x411/0x2000 [ 2748.729994][T16070] inet6_addr_add+0x30e/0xa40 [ 2748.729994][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.729994][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.729994][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.729994][T16070] netlink_unicast+0x449/0x710 [ 2748.729994][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.729994][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.729994][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.729994][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.729994][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.729994][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.729994][T16070] [ 2748.732614][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.732614][T16070] netdev_get_by_index+0x5e/0x80 [ 2748.732614][T16070] fib6_nh_init+0x3d8/0x1580 [ 2748.732614][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2748.732614][T16070] ip6_route_add+0x1c/0x140 [ 2748.732614][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2748.732614][T16070] addrconf_add_dev+0xe2/0x170 [ 2748.732614][T16070] inet6_addr_add+0x12f/0xa40 [ 2748.732614][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2748.732614][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.732614][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.732614][T16070] netlink_unicast+0x449/0x710 [ 2748.732614][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.732614][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.732614][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.732614][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.732614][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.732614][T16070] [ 2748.735046][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.735046][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2748.735046][T16070] ipv6_find_idev+0x102/0x170 [ 2748.735046][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.735046][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.735046][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.735046][T16070] netlink_unicast+0x449/0x710 [ 2748.735046][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.735046][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.735046][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.735046][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.735046][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.735046][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.735046][T16070] [ 2748.737001][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2748.737001][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2748.737001][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2748.737001][T16070] ipv6_find_idev+0x102/0x170 [ 2748.737001][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2748.737001][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2748.737001][T16070] netlink_rcv_skb+0x130/0x360 [ 2748.737001][T16070] netlink_unicast+0x449/0x710 [ 2748.737001][T16070] netlink_sendmsg+0x723/0xbe0 [ 2748.737001][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2748.737001][T16070] ___sys_sendmsg+0xee/0x170 [ 2748.737001][T16070] __sys_sendmsg+0xcd/0x170 [ 2748.737001][T16070] do_syscall_64+0xc6/0x1e0 [ 2748.737001][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2748.737001][T16070] [ 2758.248939][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2758.249378][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.249378][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.249378][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.249378][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.249378][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.249378][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.249378][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.249378][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.249378][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.249378][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.249378][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.249378][ T74] process_one_work+0x84d/0x18a0 [ 2758.249378][ T74] worker_thread+0x587/0xd30 [ 2758.249378][ T74] kthread+0x28a/0x350 [ 2758.249378][ T74] ret_from_fork+0x31/0x70 [ 2758.249378][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.249378][ T74] [ 2758.251585][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.251585][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.251585][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.251585][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.251585][ T74] ip6_route_add+0x1c/0x140 [ 2758.251585][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.251585][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.251585][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.251585][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.251585][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.251585][ T74] netlink_unicast+0x449/0x710 [ 2758.251585][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.251585][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.251585][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.251585][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.251585][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.251585][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.251585][ T74] [ 2758.253852][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.253852][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.253852][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.253852][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.253852][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.253852][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.253852][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.253852][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.253852][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.253852][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.253852][ T74] netlink_unicast+0x449/0x710 [ 2758.253852][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.253852][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.253852][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.253852][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.253852][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.253852][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.253852][ T74] [ 2758.256095][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.256095][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.256095][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.256095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.256095][ T74] ip6_route_add+0x1c/0x140 [ 2758.256095][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.256095][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.256095][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.256095][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.256095][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.256095][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.256095][ T74] netlink_unicast+0x449/0x710 [ 2758.256095][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.256095][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.256095][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.256095][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.256095][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.256095][ T74] [ 2758.258302][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.258302][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.258302][ T74] ipv6_find_idev+0x102/0x170 [ 2758.258302][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.258302][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.258302][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.258302][ T74] netlink_unicast+0x449/0x710 [ 2758.258302][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.258302][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.258302][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.258302][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.258302][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.258302][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.258302][ T74] [ 2758.260026][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2758.260026][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.260026][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.260026][ T74] ipv6_find_idev+0x102/0x170 [ 2758.260026][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.260026][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.260026][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.260026][ T74] netlink_unicast+0x449/0x710 [ 2758.260026][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.260026][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.260026][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.260026][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.260026][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.260026][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.260026][ T74] [ 2758.261910][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2758.262169][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.262169][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.262169][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.262169][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.262169][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.262169][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.262169][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.262169][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.262169][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.262169][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.262169][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.262169][ T74] process_one_work+0x84d/0x18a0 [ 2758.262169][ T74] worker_thread+0x587/0xd30 [ 2758.262169][ T74] kthread+0x28a/0x350 [ 2758.262169][ T74] ret_from_fork+0x31/0x70 [ 2758.262169][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.262169][ T74] [ 2758.264321][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.264321][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.264321][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.264321][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.264321][ T74] ip6_route_add+0x1c/0x140 [ 2758.264321][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.264321][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.264321][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.264321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.264321][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.264321][ T74] netlink_unicast+0x449/0x710 [ 2758.264321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.264321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.264321][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.264321][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.264321][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.264321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.264321][ T74] [ 2758.266560][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.266560][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.266560][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.266560][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.266560][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.266560][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.266560][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.266560][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.266560][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.266560][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.266560][ T74] netlink_unicast+0x449/0x710 [ 2758.266560][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.266560][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.266560][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.266560][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.266560][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.266560][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.266560][ T74] [ 2758.268797][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.268797][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.268797][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.268797][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.268797][ T74] ip6_route_add+0x1c/0x140 [ 2758.268797][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.268797][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.268797][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.268797][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.268797][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.268797][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.268797][ T74] netlink_unicast+0x449/0x710 [ 2758.268797][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.268797][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.268797][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.268797][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.268797][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.268797][ T74] [ 2758.270989][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.270989][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.270989][ T74] ipv6_find_idev+0x102/0x170 [ 2758.270989][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.270989][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.270989][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.270989][ T74] netlink_unicast+0x449/0x710 [ 2758.270989][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.270989][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.270989][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.270989][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.270989][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.270989][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.270989][ T74] [ 2758.272704][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2758.272704][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.272704][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.272704][ T74] ipv6_find_idev+0x102/0x170 [ 2758.272704][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.272704][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.272704][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.272704][ T74] netlink_unicast+0x449/0x710 [ 2758.272704][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.272704][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.272704][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.272704][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.272704][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.272704][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.272704][ T74] [ 2758.274600][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2758.274863][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.274863][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.274863][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.274863][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.274863][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.274863][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.274863][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.274863][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.274863][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.274863][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.274863][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.274863][ T74] process_one_work+0x84d/0x18a0 [ 2758.274863][ T74] worker_thread+0x587/0xd30 [ 2758.274863][ T74] kthread+0x28a/0x350 [ 2758.274863][ T74] ret_from_fork+0x31/0x70 [ 2758.274863][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.274863][ T74] [ 2758.276995][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.276995][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.276995][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.276995][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.276995][ T74] ip6_route_add+0x1c/0x140 [ 2758.276995][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.276995][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.276995][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.276995][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.276995][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.276995][ T74] netlink_unicast+0x449/0x710 [ 2758.276995][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.276995][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.276995][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.276995][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.276995][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.276995][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.276995][ T74] [ 2758.279315][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.279315][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.279315][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.279315][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.279315][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.279315][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.279315][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.279315][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.279315][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.279315][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.279315][ T74] netlink_unicast+0x449/0x710 [ 2758.279315][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.279315][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.279315][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.279315][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.279315][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.279315][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.279315][ T74] [ 2758.281724][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.281724][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.281724][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.281724][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.281724][ T74] ip6_route_add+0x1c/0x140 [ 2758.281724][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.281724][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.281724][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.281724][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.281724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.281724][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.281724][ T74] netlink_unicast+0x449/0x710 [ 2758.281724][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.281724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.281724][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.281724][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.281724][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.281724][ T74] [ 2758.283991][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.283991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.283991][ T74] ipv6_find_idev+0x102/0x170 [ 2758.283991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.283991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.283991][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.283991][ T74] netlink_unicast+0x449/0x710 [ 2758.283991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.283991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.283991][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.283991][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.283991][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.283991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.283991][ T74] [ 2758.285783][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2758.285783][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.285783][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.285783][ T74] ipv6_find_idev+0x102/0x170 [ 2758.285783][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.285783][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.285783][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.285783][ T74] netlink_unicast+0x449/0x710 [ 2758.285783][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.285783][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.285783][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.285783][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.285783][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.285783][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.285783][ T74] [ 2758.287760][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2758.288090][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.288090][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.288090][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.288090][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.288090][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2758.288090][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2758.288090][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2758.288090][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2758.288090][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2758.288090][ T74] addrconf_dad_begin+0x310/0x670 [ 2758.288090][ T74] addrconf_dad_work+0x10b/0xab0 [ 2758.288090][ T74] process_one_work+0x84d/0x18a0 [ 2758.288090][ T74] worker_thread+0x587/0xd30 [ 2758.288090][ T74] kthread+0x28a/0x350 [ 2758.288090][ T74] ret_from_fork+0x31/0x70 [ 2758.288090][ T74] ret_from_fork_asm+0x1a/0x30 [ 2758.288090][ T74] [ 2758.290421][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.290421][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.290421][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.290421][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.290421][ T74] ip6_route_add+0x1c/0x140 [ 2758.290421][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2758.290421][ T74] inet6_addr_add+0x4f8/0xa40 [ 2758.290421][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.290421][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.290421][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.290421][ T74] netlink_unicast+0x449/0x710 [ 2758.290421][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.290421][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.290421][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.290421][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.290421][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.290421][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.290421][ T74] [ 2758.292757][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.292757][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.292757][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.292757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.292757][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2758.292757][ T74] ipv6_add_addr+0x411/0x2000 [ 2758.292757][ T74] inet6_addr_add+0x30e/0xa40 [ 2758.292757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.292757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.292757][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.292757][ T74] netlink_unicast+0x449/0x710 [ 2758.292757][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.292757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.292757][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.292757][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.292757][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.292757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.292757][ T74] [ 2758.295088][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.295088][ T74] netdev_get_by_index+0x5e/0x80 [ 2758.295088][ T74] fib6_nh_init+0x3d8/0x1580 [ 2758.295088][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2758.295088][ T74] ip6_route_add+0x1c/0x140 [ 2758.295088][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.295088][ T74] addrconf_add_dev+0xe2/0x170 [ 2758.295088][ T74] inet6_addr_add+0x12f/0xa40 [ 2758.295088][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.295088][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.295088][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.295088][ T74] netlink_unicast+0x449/0x710 [ 2758.295088][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.295088][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.295088][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.295088][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.295088][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.295088][ T74] [ 2758.297507][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.297507][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2758.297507][ T74] ipv6_find_idev+0x102/0x170 [ 2758.297507][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.297507][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.297507][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.297507][ T74] netlink_unicast+0x449/0x710 [ 2758.297507][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.297507][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.297507][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.297507][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.297507][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.297507][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.297507][ T74] [ 2758.299467][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2758.299467][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2758.299467][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2758.299467][ T74] ipv6_find_idev+0x102/0x170 [ 2758.299467][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.299467][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.299467][ T74] netlink_rcv_skb+0x130/0x360 [ 2758.299467][ T74] netlink_unicast+0x449/0x710 [ 2758.299467][ T74] netlink_sendmsg+0x723/0xbe0 [ 2758.299467][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2758.299467][ T74] ___sys_sendmsg+0xee/0x170 [ 2758.299467][ T74] __sys_sendmsg+0xcd/0x170 [ 2758.299467][ T74] do_syscall_64+0xc6/0x1e0 [ 2758.299467][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.299467][ T74] [ 2758.976932][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2758.977385][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2758.977385][T16070] dst_init+0x84/0x4a0 [ 2758.977385][T16070] dst_alloc+0x97/0x150 [ 2758.977385][T16070] ip6_dst_alloc+0x23/0x90 [ 2758.977385][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.977385][T16070] ip6_pol_route+0x56f/0x840 [ 2758.977385][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2758.977385][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2758.977385][T16070] fib6_rule_lookup+0x182/0x630 [ 2758.977385][T16070] ip6_route_output_flags+0x259/0x480 [ 2758.977385][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2758.977385][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2758.977385][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2758.977385][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2758.977385][T16070] ip6_datagram_connect+0x2c/0x50 [ 2758.977385][T16070] __sys_connect+0x217/0x2a0 [ 2758.977385][T16070] __x64_sys_connect+0x72/0xb0 [ 2758.977385][T16070] [ 2758.979706][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2758.979706][T16070] dst_init+0x84/0x4a0 [ 2758.979706][T16070] dst_alloc+0x97/0x150 [ 2758.979706][T16070] ip6_dst_alloc+0x23/0x90 [ 2758.979706][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.979706][T16070] ip6_pol_route+0x56f/0x840 [ 2758.979706][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2758.979706][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2758.979706][T16070] fib6_rule_lookup+0x182/0x630 [ 2758.979706][T16070] ip6_route_output_flags+0x259/0x480 [ 2758.979706][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2758.979706][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2758.979706][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2758.979706][T16070] __inet_stream_connect+0x272/0x9f0 [ 2758.979706][T16070] inet_stream_connect+0x57/0xa0 [ 2758.979706][T16070] __sys_connect+0x217/0x2a0 [ 2758.979706][T16070] __x64_sys_connect+0x72/0xb0 [ 2758.979706][T16070] [ 2758.982057][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.982057][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2758.982057][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2758.982057][T16070] fib6_nh_init+0xa22/0x1580 [ 2758.982057][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2758.982057][T16070] ip6_route_add+0x1c/0x140 [ 2758.982057][T16070] inet6_rtm_newroute+0x104/0x110 [ 2758.982057][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.982057][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.982057][T16070] netlink_unicast+0x449/0x710 [ 2758.982057][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.982057][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.982057][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.982057][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.982057][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.982057][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.982057][T16070] [ 2758.984166][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.984166][T16070] dst_init+0x84/0x4a0 [ 2758.984166][T16070] dst_alloc+0x97/0x150 [ 2758.984166][T16070] ip6_dst_alloc+0x23/0x90 [ 2758.984166][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.984166][T16070] ip6_pol_route+0x56f/0x840 [ 2758.984166][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2758.984166][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2758.984166][T16070] fib6_rule_lookup+0x182/0x630 [ 2758.984166][T16070] ip6_route_input+0x59c/0xa50 [ 2758.984166][T16070] ipv6_rcv+0x397/0x810 [ 2758.984166][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2758.984166][T16070] process_backlog+0x101/0x620 [ 2758.984166][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2758.984166][T16070] net_rx_action+0x495/0xbe0 [ 2758.984166][T16070] __do_softirq+0x1b5/0x7f6 [ 2758.984166][T16070] [ 2758.986274][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.986274][T16070] netdev_get_by_index+0x5e/0x80 [ 2758.986274][T16070] fib6_nh_init+0x3d8/0x1580 [ 2758.986274][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2758.986274][T16070] ip6_route_add+0x1c/0x140 [ 2758.986274][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2758.986274][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2758.986274][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2758.986274][T16070] addrconf_dad_begin+0x310/0x670 [ 2758.986274][T16070] addrconf_dad_work+0x10b/0xab0 [ 2758.986274][T16070] process_one_work+0x84d/0x18a0 [ 2758.986274][T16070] worker_thread+0x587/0xd30 [ 2758.986274][T16070] kthread+0x28a/0x350 [ 2758.986274][T16070] ret_from_fork+0x31/0x70 [ 2758.986274][T16070] ret_from_fork_asm+0x1a/0x30 [ 2758.986274][T16070] [ 2758.988300][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.988300][T16070] netdev_get_by_index+0x5e/0x80 [ 2758.988300][T16070] fib6_nh_init+0x3d8/0x1580 [ 2758.988300][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2758.988300][T16070] ip6_route_add+0x1c/0x140 [ 2758.988300][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2758.988300][T16070] inet6_addr_add+0x4f8/0xa40 [ 2758.988300][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.988300][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.988300][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.988300][T16070] netlink_unicast+0x449/0x710 [ 2758.988300][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.988300][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.988300][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.988300][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.988300][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.988300][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.988300][T16070] [ 2758.990554][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.990554][T16070] netdev_get_by_index+0x5e/0x80 [ 2758.990554][T16070] fib6_nh_init+0x3d8/0x1580 [ 2758.990554][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2758.990554][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2758.990554][T16070] ipv6_add_addr+0x411/0x2000 [ 2758.990554][T16070] inet6_addr_add+0x30e/0xa40 [ 2758.990554][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.990554][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.990554][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.990554][T16070] netlink_unicast+0x449/0x710 [ 2758.990554][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.990554][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.990554][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.990554][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.990554][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.990554][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.990554][T16070] [ 2758.992811][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.992811][T16070] netdev_get_by_index+0x5e/0x80 [ 2758.992811][T16070] fib6_nh_init+0x3d8/0x1580 [ 2758.992811][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2758.992811][T16070] ip6_route_add+0x1c/0x140 [ 2758.992811][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2758.992811][T16070] addrconf_add_dev+0xe2/0x170 [ 2758.992811][T16070] inet6_addr_add+0x12f/0xa40 [ 2758.992811][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2758.992811][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.992811][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.992811][T16070] netlink_unicast+0x449/0x710 [ 2758.992811][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.992811][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.992811][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.992811][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.992811][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.992811][T16070] [ 2758.995017][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.995017][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2758.995017][T16070] ipv6_find_idev+0x102/0x170 [ 2758.995017][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.995017][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.995017][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.995017][T16070] netlink_unicast+0x449/0x710 [ 2758.995017][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.995017][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.995017][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.995017][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.995017][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.995017][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.995017][T16070] [ 2758.996744][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2758.996744][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2758.996744][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2758.996744][T16070] ipv6_find_idev+0x102/0x170 [ 2758.996744][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2758.996744][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2758.996744][T16070] netlink_rcv_skb+0x130/0x360 [ 2758.996744][T16070] netlink_unicast+0x449/0x710 [ 2758.996744][T16070] netlink_sendmsg+0x723/0xbe0 [ 2758.996744][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2758.996744][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.996744][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.996744][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.996744][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.996744][T16070] [ 2758.999171][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2758.999474][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2758.999474][T16070] dst_init+0x84/0x4a0 [ 2758.999474][T16070] dst_alloc+0x97/0x150 [ 2758.999474][T16070] ip6_dst_alloc+0x23/0x90 [ 2758.999474][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2758.999474][T16070] ip6_pol_route+0x56f/0x840 [ 2758.999474][T16070] fib6_rule_lookup+0x334/0x630 [ 2758.999474][T16070] ip6_route_output_flags+0x259/0x480 [ 2758.999474][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2758.999474][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2758.999474][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2758.999474][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2758.999474][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2758.999474][T16070] ___sys_sendmsg+0xee/0x170 [ 2758.999474][T16070] __sys_sendmsg+0xcd/0x170 [ 2758.999474][T16070] do_syscall_64+0xc6/0x1e0 [ 2758.999474][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2758.999474][T16070] [ 2759.001733][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.001733][T16070] dst_init+0x84/0x4a0 [ 2759.001733][T16070] dst_alloc+0x97/0x150 [ 2759.001733][T16070] ip6_dst_alloc+0x23/0x90 [ 2759.001733][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2759.001733][T16070] ip6_pol_route+0x56f/0x840 [ 2759.001733][T16070] fib6_rule_lookup+0x334/0x630 [ 2759.001733][T16070] ip6_route_output_flags+0x259/0x480 [ 2759.001733][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2759.001733][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2759.001733][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2759.001733][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2759.001733][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2759.001733][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2759.001733][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2759.001733][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2759.001733][T16070] ip6_input_finish+0x120/0x260 [ 2759.001733][T16070] [ 2759.004004][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.004004][T16070] dst_init+0x84/0x4a0 [ 2759.004004][T16070] dst_alloc+0x97/0x150 [ 2759.004004][T16070] ip6_dst_alloc+0x23/0x90 [ 2759.004004][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2759.004004][T16070] ip6_pol_route+0x56f/0x840 [ 2759.004004][T16070] fib6_rule_lookup+0x456/0x630 [ 2759.004004][T16070] ip6_route_input+0x59c/0xa50 [ 2759.004004][T16070] ipv6_rcv+0x397/0x810 [ 2759.004004][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2759.004004][T16070] process_backlog+0x101/0x620 [ 2759.004004][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2759.004004][T16070] net_rx_action+0x495/0xbe0 [ 2759.004004][T16070] __do_softirq+0x1b5/0x7f6 [ 2759.004004][T16070] [ 2759.005837][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.005837][T16070] netdev_get_by_index+0x5e/0x80 [ 2759.005837][T16070] fib6_nh_init+0x3d8/0x1580 [ 2759.005837][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2759.005837][T16070] ip6_route_add+0x1c/0x140 [ 2759.005837][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2759.005837][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2759.005837][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2759.005837][T16070] addrconf_dad_begin+0x310/0x670 [ 2759.005837][T16070] addrconf_dad_work+0x10b/0xab0 [ 2759.005837][T16070] process_one_work+0x84d/0x18a0 [ 2759.005837][T16070] worker_thread+0x587/0xd30 [ 2759.005837][T16070] kthread+0x28a/0x350 [ 2759.005837][T16070] ret_from_fork+0x31/0x70 [ 2759.005837][T16070] ret_from_fork_asm+0x1a/0x30 [ 2759.005837][T16070] [ 2759.008117][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.008117][T16070] netdev_get_by_index+0x5e/0x80 [ 2759.008117][T16070] fib6_nh_init+0x3d8/0x1580 [ 2759.008117][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2759.008117][T16070] ip6_route_add+0x1c/0x140 [ 2759.008117][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2759.008117][T16070] inet6_addr_add+0x4f8/0xa40 [ 2759.008117][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.008117][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.008117][T16070] netlink_rcv_skb+0x130/0x360 [ 2759.008117][T16070] netlink_unicast+0x449/0x710 [ 2759.008117][T16070] netlink_sendmsg+0x723/0xbe0 [ 2759.008117][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2759.008117][T16070] ___sys_sendmsg+0xee/0x170 [ 2759.008117][T16070] __sys_sendmsg+0xcd/0x170 [ 2759.008117][T16070] do_syscall_64+0xc6/0x1e0 [ 2759.008117][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.008117][T16070] [ 2759.010763][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.010763][T16070] netdev_get_by_index+0x5e/0x80 [ 2759.010763][T16070] fib6_nh_init+0x3d8/0x1580 [ 2759.010763][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2759.010763][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2759.010763][T16070] ipv6_add_addr+0x411/0x2000 [ 2759.010763][T16070] inet6_addr_add+0x30e/0xa40 [ 2759.010763][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.010763][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.010763][T16070] netlink_rcv_skb+0x130/0x360 [ 2759.010763][T16070] netlink_unicast+0x449/0x710 [ 2759.010763][T16070] netlink_sendmsg+0x723/0xbe0 [ 2759.010763][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2759.010763][T16070] ___sys_sendmsg+0xee/0x170 [ 2759.010763][T16070] __sys_sendmsg+0xcd/0x170 [ 2759.010763][T16070] do_syscall_64+0xc6/0x1e0 [ 2759.010763][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.010763][T16070] [ 2759.013249][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.013249][T16070] netdev_get_by_index+0x5e/0x80 [ 2759.013249][T16070] fib6_nh_init+0x3d8/0x1580 [ 2759.013249][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2759.013249][T16070] ip6_route_add+0x1c/0x140 [ 2759.013249][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2759.013249][T16070] addrconf_add_dev+0xe2/0x170 [ 2759.013249][T16070] inet6_addr_add+0x12f/0xa40 [ 2759.013249][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2759.013249][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.013249][T16070] netlink_rcv_skb+0x130/0x360 [ 2759.013249][T16070] netlink_unicast+0x449/0x710 [ 2759.013249][T16070] netlink_sendmsg+0x723/0xbe0 [ 2759.013249][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2759.013249][T16070] ___sys_sendmsg+0xee/0x170 [ 2759.013249][T16070] __sys_sendmsg+0xcd/0x170 [ 2759.013249][T16070] do_syscall_64+0xc6/0x1e0 [ 2759.013249][T16070] [ 2759.015688][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.015688][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2759.015688][T16070] ipv6_find_idev+0x102/0x170 [ 2759.015688][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2759.015688][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.015688][T16070] netlink_rcv_skb+0x130/0x360 [ 2759.015688][T16070] netlink_unicast+0x449/0x710 [ 2759.015688][T16070] netlink_sendmsg+0x723/0xbe0 [ 2759.015688][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2759.015688][T16070] ___sys_sendmsg+0xee/0x170 [ 2759.015688][T16070] __sys_sendmsg+0xcd/0x170 [ 2759.015688][T16070] do_syscall_64+0xc6/0x1e0 [ 2759.015688][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.015688][T16070] [ 2759.017650][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2759.017650][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2759.017650][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2759.017650][T16070] ipv6_find_idev+0x102/0x170 [ 2759.017650][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2759.017650][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2759.017650][T16070] netlink_rcv_skb+0x130/0x360 [ 2759.017650][T16070] netlink_unicast+0x449/0x710 [ 2759.017650][T16070] netlink_sendmsg+0x723/0xbe0 [ 2759.017650][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2759.017650][T16070] ___sys_sendmsg+0xee/0x170 [ 2759.017650][T16070] __sys_sendmsg+0xcd/0x170 [ 2759.017650][T16070] do_syscall_64+0xc6/0x1e0 [ 2759.017650][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2759.017650][T16070] [ 2768.432845][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2768.433298][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.433298][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.433298][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.433298][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.433298][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.433298][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.433298][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.433298][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.433298][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.433298][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.433298][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.433298][ T74] process_one_work+0x84d/0x18a0 [ 2768.433298][ T74] worker_thread+0x587/0xd30 [ 2768.433298][ T74] kthread+0x28a/0x350 [ 2768.433298][ T74] ret_from_fork+0x31/0x70 [ 2768.433298][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.433298][ T74] [ 2768.435482][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.435482][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.435482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.435482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.435482][ T74] ip6_route_add+0x1c/0x140 [ 2768.435482][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.435482][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.435482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.435482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.435482][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.435482][ T74] netlink_unicast+0x449/0x710 [ 2768.435482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.435482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.435482][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.435482][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.435482][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.435482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.435482][ T74] [ 2768.437728][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.437728][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.437728][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.437728][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.437728][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.437728][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.437728][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.437728][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.437728][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.437728][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.437728][ T74] netlink_unicast+0x449/0x710 [ 2768.437728][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.437728][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.437728][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.437728][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.437728][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.437728][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.437728][ T74] [ 2768.440008][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.440008][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.440008][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.440008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.440008][ T74] ip6_route_add+0x1c/0x140 [ 2768.440008][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.440008][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.440008][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.440008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.440008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.440008][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.440008][ T74] netlink_unicast+0x449/0x710 [ 2768.440008][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.440008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.440008][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.440008][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.440008][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.440008][ T74] [ 2768.442218][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.442218][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.442218][ T74] ipv6_find_idev+0x102/0x170 [ 2768.442218][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.442218][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.442218][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.442218][ T74] netlink_unicast+0x449/0x710 [ 2768.442218][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.442218][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.442218][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.442218][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.442218][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.442218][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.442218][ T74] [ 2768.443956][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2768.443956][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.443956][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.443956][ T74] ipv6_find_idev+0x102/0x170 [ 2768.443956][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.443956][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.443956][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.443956][ T74] netlink_unicast+0x449/0x710 [ 2768.443956][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.443956][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.443956][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.443956][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.443956][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.443956][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.443956][ T74] [ 2768.445835][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2768.446101][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.446101][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.446101][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.446101][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.446101][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.446101][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.446101][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.446101][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.446101][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.446101][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.446101][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.446101][ T74] process_one_work+0x84d/0x18a0 [ 2768.446101][ T74] worker_thread+0x587/0xd30 [ 2768.446101][ T74] kthread+0x28a/0x350 [ 2768.446101][ T74] ret_from_fork+0x31/0x70 [ 2768.446101][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.446101][ T74] [ 2768.448286][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.448286][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.448286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.448286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.448286][ T74] ip6_route_add+0x1c/0x140 [ 2768.448286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.448286][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.448286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.448286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.448286][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.448286][ T74] netlink_unicast+0x449/0x710 [ 2768.448286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.448286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.448286][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.448286][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.448286][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.448286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.448286][ T74] [ 2768.450543][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.450543][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.450543][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.450543][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.450543][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.450543][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.450543][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.450543][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.450543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.450543][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.450543][ T74] netlink_unicast+0x449/0x710 [ 2768.450543][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.450543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.450543][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.450543][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.450543][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.450543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.450543][ T74] [ 2768.452782][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.452782][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.452782][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.452782][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.452782][ T74] ip6_route_add+0x1c/0x140 [ 2768.452782][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.452782][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.452782][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.452782][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.452782][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.452782][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.452782][ T74] netlink_unicast+0x449/0x710 [ 2768.452782][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.452782][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.452782][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.452782][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.452782][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.452782][ T74] [ 2768.455021][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.455021][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.455021][ T74] ipv6_find_idev+0x102/0x170 [ 2768.455021][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.455021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.455021][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.455021][ T74] netlink_unicast+0x449/0x710 [ 2768.455021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.455021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.455021][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.455021][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.455021][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.455021][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.455021][ T74] [ 2768.456770][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2768.456770][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.456770][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.456770][ T74] ipv6_find_idev+0x102/0x170 [ 2768.456770][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.456770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.456770][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.456770][ T74] netlink_unicast+0x449/0x710 [ 2768.456770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.456770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.456770][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.456770][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.456770][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.456770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.456770][ T74] [ 2768.458658][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2768.459042][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.459042][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.459042][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.459042][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.459042][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.459042][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.459042][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.459042][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.459042][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.459042][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.459042][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.459042][ T74] process_one_work+0x84d/0x18a0 [ 2768.459042][ T74] worker_thread+0x587/0xd30 [ 2768.459042][ T74] kthread+0x28a/0x350 [ 2768.459042][ T74] ret_from_fork+0x31/0x70 [ 2768.459042][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.459042][ T74] [ 2768.461253][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.461253][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.461253][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.461253][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.461253][ T74] ip6_route_add+0x1c/0x140 [ 2768.461253][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.461253][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.461253][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.461253][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.461253][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.461253][ T74] netlink_unicast+0x449/0x710 [ 2768.461253][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.461253][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.461253][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.461253][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.461253][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.461253][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.461253][ T74] [ 2768.463550][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.463550][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.463550][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.463550][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.463550][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.463550][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.463550][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.463550][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.463550][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.463550][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.463550][ T74] netlink_unicast+0x449/0x710 [ 2768.463550][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.463550][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.463550][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.463550][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.463550][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.463550][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.463550][ T74] [ 2768.465947][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.465947][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.465947][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.465947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.465947][ T74] ip6_route_add+0x1c/0x140 [ 2768.465947][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.465947][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.465947][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.465947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.465947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.465947][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.465947][ T74] netlink_unicast+0x449/0x710 [ 2768.465947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.465947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.465947][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.465947][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.465947][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.465947][ T74] [ 2768.468365][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.468365][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.468365][ T74] ipv6_find_idev+0x102/0x170 [ 2768.468365][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.468365][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.468365][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.468365][ T74] netlink_unicast+0x449/0x710 [ 2768.468365][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.468365][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.468365][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.468365][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.468365][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.468365][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.468365][ T74] [ 2768.470196][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2768.470196][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.470196][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.470196][ T74] ipv6_find_idev+0x102/0x170 [ 2768.470196][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.470196][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.470196][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.470196][ T74] netlink_unicast+0x449/0x710 [ 2768.470196][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.470196][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.470196][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.470196][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.470196][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.470196][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.470196][ T74] [ 2768.472208][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2768.472463][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.472463][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.472463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.472463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.472463][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2768.472463][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2768.472463][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2768.472463][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2768.472463][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2768.472463][ T74] addrconf_dad_begin+0x310/0x670 [ 2768.472463][ T74] addrconf_dad_work+0x10b/0xab0 [ 2768.472463][ T74] process_one_work+0x84d/0x18a0 [ 2768.472463][ T74] worker_thread+0x587/0xd30 [ 2768.472463][ T74] kthread+0x28a/0x350 [ 2768.472463][ T74] ret_from_fork+0x31/0x70 [ 2768.472463][ T74] ret_from_fork_asm+0x1a/0x30 [ 2768.472463][ T74] [ 2768.475292][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.475292][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.475292][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.475292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.475292][ T74] ip6_route_add+0x1c/0x140 [ 2768.475292][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2768.475292][ T74] inet6_addr_add+0x4f8/0xa40 [ 2768.475292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.475292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.475292][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.475292][ T74] netlink_unicast+0x449/0x710 [ 2768.475292][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.475292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.475292][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.475292][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.475292][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.475292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.475292][ T74] [ 2768.478056][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.478056][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.478056][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.478056][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.478056][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2768.478056][ T74] ipv6_add_addr+0x411/0x2000 [ 2768.478056][ T74] inet6_addr_add+0x30e/0xa40 [ 2768.478056][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.478056][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.478056][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.478056][ T74] netlink_unicast+0x449/0x710 [ 2768.478056][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.478056][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.478056][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.478056][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.478056][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.478056][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.478056][ T74] [ 2768.480542][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.480542][ T74] netdev_get_by_index+0x5e/0x80 [ 2768.480542][ T74] fib6_nh_init+0x3d8/0x1580 [ 2768.480542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2768.480542][ T74] ip6_route_add+0x1c/0x140 [ 2768.480542][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2768.480542][ T74] addrconf_add_dev+0xe2/0x170 [ 2768.480542][ T74] inet6_addr_add+0x12f/0xa40 [ 2768.480542][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2768.480542][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.480542][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.480542][ T74] netlink_unicast+0x449/0x710 [ 2768.480542][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.480542][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.480542][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.480542][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.480542][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.480542][ T74] [ 2768.483015][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.483015][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2768.483015][ T74] ipv6_find_idev+0x102/0x170 [ 2768.483015][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.483015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.483015][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.483015][ T74] netlink_unicast+0x449/0x710 [ 2768.483015][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.483015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.483015][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.483015][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.483015][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.483015][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.483015][ T74] [ 2768.484916][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2768.484916][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2768.484916][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2768.484916][ T74] ipv6_find_idev+0x102/0x170 [ 2768.484916][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2768.484916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2768.484916][ T74] netlink_rcv_skb+0x130/0x360 [ 2768.484916][ T74] netlink_unicast+0x449/0x710 [ 2768.484916][ T74] netlink_sendmsg+0x723/0xbe0 [ 2768.484916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2768.484916][ T74] ___sys_sendmsg+0xee/0x170 [ 2768.484916][ T74] __sys_sendmsg+0xcd/0x170 [ 2768.484916][ T74] do_syscall_64+0xc6/0x1e0 [ 2768.484916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2768.484916][ T74] [ 2769.256918][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2769.257426][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2769.257426][T16070] dst_init+0x84/0x4a0 [ 2769.257426][T16070] dst_alloc+0x97/0x150 [ 2769.257426][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.257426][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.257426][T16070] ip6_pol_route+0x56f/0x840 [ 2769.257426][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2769.257426][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2769.257426][T16070] fib6_rule_lookup+0x182/0x630 [ 2769.257426][T16070] ip6_route_output_flags+0x259/0x480 [ 2769.257426][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2769.257426][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2769.257426][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2769.257426][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2769.257426][T16070] ip6_datagram_connect+0x2c/0x50 [ 2769.257426][T16070] __sys_connect+0x217/0x2a0 [ 2769.257426][T16070] __x64_sys_connect+0x72/0xb0 [ 2769.257426][T16070] [ 2769.259988][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2769.259988][T16070] dst_init+0x84/0x4a0 [ 2769.259988][T16070] dst_alloc+0x97/0x150 [ 2769.259988][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.259988][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.259988][T16070] ip6_pol_route+0x56f/0x840 [ 2769.259988][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2769.259988][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2769.259988][T16070] fib6_rule_lookup+0x182/0x630 [ 2769.259988][T16070] ip6_route_output_flags+0x259/0x480 [ 2769.259988][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2769.259988][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2769.259988][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2769.259988][T16070] __inet_stream_connect+0x272/0x9f0 [ 2769.259988][T16070] inet_stream_connect+0x57/0xa0 [ 2769.259988][T16070] __sys_connect+0x217/0x2a0 [ 2769.259988][T16070] __x64_sys_connect+0x72/0xb0 [ 2769.259988][T16070] [ 2769.262474][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.262474][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2769.262474][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2769.262474][T16070] fib6_nh_init+0xa22/0x1580 [ 2769.262474][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.262474][T16070] ip6_route_add+0x1c/0x140 [ 2769.262474][T16070] inet6_rtm_newroute+0x104/0x110 [ 2769.262474][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.262474][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.262474][T16070] netlink_unicast+0x449/0x710 [ 2769.262474][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.262474][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.262474][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.262474][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.262474][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.262474][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.262474][T16070] [ 2769.264806][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.264806][T16070] dst_init+0x84/0x4a0 [ 2769.264806][T16070] dst_alloc+0x97/0x150 [ 2769.264806][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.264806][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.264806][T16070] ip6_pol_route+0x56f/0x840 [ 2769.264806][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2769.264806][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2769.264806][T16070] fib6_rule_lookup+0x182/0x630 [ 2769.264806][T16070] ip6_route_input+0x59c/0xa50 [ 2769.264806][T16070] ipv6_rcv+0x397/0x810 [ 2769.264806][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2769.264806][T16070] process_backlog+0x101/0x620 [ 2769.264806][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2769.264806][T16070] net_rx_action+0x495/0xbe0 [ 2769.264806][T16070] __do_softirq+0x1b5/0x7f6 [ 2769.264806][T16070] [ 2769.267099][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.267099][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.267099][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.267099][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.267099][T16070] ip6_route_add+0x1c/0x140 [ 2769.267099][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2769.267099][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2769.267099][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2769.267099][T16070] addrconf_dad_begin+0x310/0x670 [ 2769.267099][T16070] addrconf_dad_work+0x10b/0xab0 [ 2769.267099][T16070] process_one_work+0x84d/0x18a0 [ 2769.267099][T16070] worker_thread+0x587/0xd30 [ 2769.267099][T16070] kthread+0x28a/0x350 [ 2769.267099][T16070] ret_from_fork+0x31/0x70 [ 2769.267099][T16070] ret_from_fork_asm+0x1a/0x30 [ 2769.267099][T16070] [ 2769.269338][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.269338][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.269338][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.269338][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.269338][T16070] ip6_route_add+0x1c/0x140 [ 2769.269338][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2769.269338][T16070] inet6_addr_add+0x4f8/0xa40 [ 2769.269338][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.269338][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.269338][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.269338][T16070] netlink_unicast+0x449/0x710 [ 2769.269338][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.269338][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.269338][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.269338][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.269338][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.269338][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.269338][T16070] [ 2769.271815][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.271815][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.271815][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.271815][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.271815][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2769.271815][T16070] ipv6_add_addr+0x411/0x2000 [ 2769.271815][T16070] inet6_addr_add+0x30e/0xa40 [ 2769.271815][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.271815][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.271815][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.271815][T16070] netlink_unicast+0x449/0x710 [ 2769.271815][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.271815][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.271815][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.271815][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.271815][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.271815][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.271815][T16070] [ 2769.274819][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.274819][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.274819][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.274819][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.274819][T16070] ip6_route_add+0x1c/0x140 [ 2769.274819][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.274819][T16070] addrconf_add_dev+0xe2/0x170 [ 2769.274819][T16070] inet6_addr_add+0x12f/0xa40 [ 2769.274819][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.274819][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.274819][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.274819][T16070] netlink_unicast+0x449/0x710 [ 2769.274819][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.274819][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.274819][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.274819][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.274819][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.274819][T16070] [ 2769.277246][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.277246][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2769.277246][T16070] ipv6_find_idev+0x102/0x170 [ 2769.277246][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.277246][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.277246][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.277246][T16070] netlink_unicast+0x449/0x710 [ 2769.277246][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.277246][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.277246][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.277246][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.277246][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.277246][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.277246][T16070] [ 2769.279160][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2769.279160][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2769.279160][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2769.279160][T16070] ipv6_find_idev+0x102/0x170 [ 2769.279160][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.279160][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.279160][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.279160][T16070] netlink_unicast+0x449/0x710 [ 2769.279160][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.279160][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.279160][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.279160][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.279160][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.279160][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.279160][T16070] [ 2769.281251][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2769.281596][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2769.281596][T16070] dst_init+0x84/0x4a0 [ 2769.281596][T16070] dst_alloc+0x97/0x150 [ 2769.281596][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.281596][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.281596][T16070] ip6_pol_route+0x56f/0x840 [ 2769.281596][T16070] fib6_rule_lookup+0x334/0x630 [ 2769.281596][T16070] ip6_route_output_flags+0x259/0x480 [ 2769.281596][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2769.281596][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2769.281596][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2769.281596][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2769.281596][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2769.281596][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.281596][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.281596][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.281596][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.281596][T16070] [ 2769.284097][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.284097][T16070] dst_init+0x84/0x4a0 [ 2769.284097][T16070] dst_alloc+0x97/0x150 [ 2769.284097][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.284097][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.284097][T16070] ip6_pol_route+0x56f/0x840 [ 2769.284097][T16070] fib6_rule_lookup+0x334/0x630 [ 2769.284097][T16070] ip6_route_output_flags+0x259/0x480 [ 2769.284097][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2769.284097][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2769.284097][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2769.284097][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2769.284097][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2769.284097][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2769.284097][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2769.284097][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2769.284097][T16070] ip6_input_finish+0x120/0x260 [ 2769.284097][T16070] [ 2769.286601][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.286601][T16070] dst_init+0x84/0x4a0 [ 2769.286601][T16070] dst_alloc+0x97/0x150 [ 2769.286601][T16070] ip6_dst_alloc+0x23/0x90 [ 2769.286601][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2769.286601][T16070] ip6_pol_route+0x56f/0x840 [ 2769.286601][T16070] fib6_rule_lookup+0x456/0x630 [ 2769.286601][T16070] ip6_route_input+0x59c/0xa50 [ 2769.286601][T16070] ipv6_rcv+0x397/0x810 [ 2769.286601][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2769.286601][T16070] process_backlog+0x101/0x620 [ 2769.286601][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2769.286601][T16070] net_rx_action+0x495/0xbe0 [ 2769.286601][T16070] __do_softirq+0x1b5/0x7f6 [ 2769.286601][T16070] [ 2769.288610][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.288610][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.288610][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.288610][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.288610][T16070] ip6_route_add+0x1c/0x140 [ 2769.288610][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2769.288610][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2769.288610][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2769.288610][T16070] addrconf_dad_begin+0x310/0x670 [ 2769.288610][T16070] addrconf_dad_work+0x10b/0xab0 [ 2769.288610][T16070] process_one_work+0x84d/0x18a0 [ 2769.288610][T16070] worker_thread+0x587/0xd30 [ 2769.288610][T16070] kthread+0x28a/0x350 [ 2769.288610][T16070] ret_from_fork+0x31/0x70 [ 2769.288610][T16070] ret_from_fork_asm+0x1a/0x30 [ 2769.288610][T16070] [ 2769.291065][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.291065][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.291065][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.291065][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.291065][T16070] ip6_route_add+0x1c/0x140 [ 2769.291065][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2769.291065][T16070] inet6_addr_add+0x4f8/0xa40 [ 2769.291065][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.291065][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.291065][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.291065][T16070] netlink_unicast+0x449/0x710 [ 2769.291065][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.291065][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.291065][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.291065][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.291065][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.291065][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.291065][T16070] [ 2769.293939][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.293939][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.293939][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.293939][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.293939][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2769.293939][T16070] ipv6_add_addr+0x411/0x2000 [ 2769.293939][T16070] inet6_addr_add+0x30e/0xa40 [ 2769.293939][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.293939][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.293939][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.293939][T16070] netlink_unicast+0x449/0x710 [ 2769.293939][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.293939][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.293939][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.293939][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.293939][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.293939][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.293939][T16070] [ 2769.296728][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.296728][T16070] netdev_get_by_index+0x5e/0x80 [ 2769.296728][T16070] fib6_nh_init+0x3d8/0x1580 [ 2769.296728][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2769.296728][T16070] ip6_route_add+0x1c/0x140 [ 2769.296728][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2769.296728][T16070] addrconf_add_dev+0xe2/0x170 [ 2769.296728][T16070] inet6_addr_add+0x12f/0xa40 [ 2769.296728][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2769.296728][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.296728][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.296728][T16070] netlink_unicast+0x449/0x710 [ 2769.296728][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.296728][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.296728][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.296728][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.296728][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.296728][T16070] [ 2769.299808][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.299808][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2769.299808][T16070] ipv6_find_idev+0x102/0x170 [ 2769.299808][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.299808][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.299808][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.299808][T16070] netlink_unicast+0x449/0x710 [ 2769.299808][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.299808][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.299808][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.299808][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.299808][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.299808][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.299808][T16070] [ 2769.301899][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2769.301899][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2769.301899][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2769.301899][T16070] ipv6_find_idev+0x102/0x170 [ 2769.301899][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2769.301899][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2769.301899][T16070] netlink_rcv_skb+0x130/0x360 [ 2769.301899][T16070] netlink_unicast+0x449/0x710 [ 2769.301899][T16070] netlink_sendmsg+0x723/0xbe0 [ 2769.301899][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2769.301899][T16070] ___sys_sendmsg+0xee/0x170 [ 2769.301899][T16070] __sys_sendmsg+0xcd/0x170 [ 2769.301899][T16070] do_syscall_64+0xc6/0x1e0 [ 2769.301899][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2769.301899][T16070] [ 2778.728862][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2778.729322][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.729322][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.729322][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.729322][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.729322][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.729322][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.729322][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.729322][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.729322][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.729322][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.729322][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.729322][ T74] process_one_work+0x84d/0x18a0 [ 2778.729322][ T74] worker_thread+0x587/0xd30 [ 2778.729322][ T74] kthread+0x28a/0x350 [ 2778.729322][ T74] ret_from_fork+0x31/0x70 [ 2778.729322][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.729322][ T74] [ 2778.731508][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.731508][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.731508][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.731508][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.731508][ T74] ip6_route_add+0x1c/0x140 [ 2778.731508][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.731508][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.731508][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.731508][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.731508][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.731508][ T74] netlink_unicast+0x449/0x710 [ 2778.731508][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.731508][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.731508][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.731508][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.731508][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.731508][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.731508][ T74] [ 2778.733796][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.733796][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.733796][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.733796][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.733796][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.733796][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.733796][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.733796][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.733796][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.733796][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.733796][ T74] netlink_unicast+0x449/0x710 [ 2778.733796][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.733796][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.733796][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.733796][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.733796][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.733796][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.733796][ T74] [ 2778.736141][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.736141][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.736141][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.736141][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.736141][ T74] ip6_route_add+0x1c/0x140 [ 2778.736141][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.736141][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.736141][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.736141][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.736141][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.736141][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.736141][ T74] netlink_unicast+0x449/0x710 [ 2778.736141][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.736141][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.736141][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.736141][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.736141][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.736141][ T74] [ 2778.738517][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.738517][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.738517][ T74] ipv6_find_idev+0x102/0x170 [ 2778.738517][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.738517][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.738517][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.738517][ T74] netlink_unicast+0x449/0x710 [ 2778.738517][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.738517][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.738517][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.738517][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.738517][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.738517][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.738517][ T74] [ 2778.740386][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2778.740386][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.740386][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.740386][ T74] ipv6_find_idev+0x102/0x170 [ 2778.740386][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.740386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.740386][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.740386][ T74] netlink_unicast+0x449/0x710 [ 2778.740386][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.740386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.740386][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.740386][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.740386][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.740386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.740386][ T74] [ 2778.742435][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2778.742708][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.742708][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.742708][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.742708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.742708][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.742708][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.742708][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.742708][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.742708][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.742708][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.742708][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.742708][ T74] process_one_work+0x84d/0x18a0 [ 2778.742708][ T74] worker_thread+0x587/0xd30 [ 2778.742708][ T74] kthread+0x28a/0x350 [ 2778.742708][ T74] ret_from_fork+0x31/0x70 [ 2778.742708][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.742708][ T74] [ 2778.744983][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.744983][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.744983][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.744983][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.744983][ T74] ip6_route_add+0x1c/0x140 [ 2778.744983][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.744983][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.744983][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.744983][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.744983][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.744983][ T74] netlink_unicast+0x449/0x710 [ 2778.744983][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.744983][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.744983][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.744983][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.744983][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.744983][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.744983][ T74] [ 2778.747777][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.747777][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.747777][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.747777][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.747777][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.747777][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.747777][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.747777][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.747777][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.747777][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.747777][ T74] netlink_unicast+0x449/0x710 [ 2778.747777][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.747777][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.747777][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.747777][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.747777][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.747777][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.747777][ T74] [ 2778.750118][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.750118][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.750118][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.750118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.750118][ T74] ip6_route_add+0x1c/0x140 [ 2778.750118][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.750118][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.750118][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.750118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.750118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.750118][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.750118][ T74] netlink_unicast+0x449/0x710 [ 2778.750118][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.750118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.750118][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.750118][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.750118][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.750118][ T74] [ 2778.752266][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.752266][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.752266][ T74] ipv6_find_idev+0x102/0x170 [ 2778.752266][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.752266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.752266][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.752266][ T74] netlink_unicast+0x449/0x710 [ 2778.752266][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.752266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.752266][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.752266][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.752266][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.752266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.752266][ T74] [ 2778.753963][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2778.753963][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.753963][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.753963][ T74] ipv6_find_idev+0x102/0x170 [ 2778.753963][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.753963][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.753963][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.753963][ T74] netlink_unicast+0x449/0x710 [ 2778.753963][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.753963][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.753963][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.753963][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.753963][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.753963][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.753963][ T74] [ 2778.755861][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2778.756129][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.756129][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.756129][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.756129][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.756129][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.756129][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.756129][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.756129][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.756129][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.756129][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.756129][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.756129][ T74] process_one_work+0x84d/0x18a0 [ 2778.756129][ T74] worker_thread+0x587/0xd30 [ 2778.756129][ T74] kthread+0x28a/0x350 [ 2778.756129][ T74] ret_from_fork+0x31/0x70 [ 2778.756129][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.756129][ T74] [ 2778.758286][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.758286][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.758286][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.758286][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.758286][ T74] ip6_route_add+0x1c/0x140 [ 2778.758286][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.758286][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.758286][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.758286][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.758286][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.758286][ T74] netlink_unicast+0x449/0x710 [ 2778.758286][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.758286][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.758286][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.758286][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.758286][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.758286][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.758286][ T74] [ 2778.760681][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.760681][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.760681][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.760681][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.760681][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.760681][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.760681][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.760681][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.760681][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.760681][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.760681][ T74] netlink_unicast+0x449/0x710 [ 2778.760681][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.760681][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.760681][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.760681][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.760681][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.760681][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.760681][ T74] [ 2778.763055][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.763055][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.763055][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.763055][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.763055][ T74] ip6_route_add+0x1c/0x140 [ 2778.763055][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.763055][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.763055][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.763055][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.763055][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.763055][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.763055][ T74] netlink_unicast+0x449/0x710 [ 2778.763055][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.763055][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.763055][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.763055][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.763055][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.763055][ T74] [ 2778.765410][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.765410][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.765410][ T74] ipv6_find_idev+0x102/0x170 [ 2778.765410][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.765410][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.765410][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.765410][ T74] netlink_unicast+0x449/0x710 [ 2778.765410][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.765410][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.765410][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.765410][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.765410][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.765410][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.765410][ T74] [ 2778.767200][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2778.767200][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.767200][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.767200][ T74] ipv6_find_idev+0x102/0x170 [ 2778.767200][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.767200][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.767200][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.767200][ T74] netlink_unicast+0x449/0x710 [ 2778.767200][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.767200][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.767200][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.767200][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.767200][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.767200][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.767200][ T74] [ 2778.769231][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2778.769494][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.769494][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.769494][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.769494][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.769494][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2778.769494][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2778.769494][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2778.769494][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2778.769494][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2778.769494][ T74] addrconf_dad_begin+0x310/0x670 [ 2778.769494][ T74] addrconf_dad_work+0x10b/0xab0 [ 2778.769494][ T74] process_one_work+0x84d/0x18a0 [ 2778.769494][ T74] worker_thread+0x587/0xd30 [ 2778.769494][ T74] kthread+0x28a/0x350 [ 2778.769494][ T74] ret_from_fork+0x31/0x70 [ 2778.769494][ T74] ret_from_fork_asm+0x1a/0x30 [ 2778.769494][ T74] [ 2778.771708][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.771708][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.771708][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.771708][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.771708][ T74] ip6_route_add+0x1c/0x140 [ 2778.771708][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2778.771708][ T74] inet6_addr_add+0x4f8/0xa40 [ 2778.771708][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.771708][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.771708][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.771708][ T74] netlink_unicast+0x449/0x710 [ 2778.771708][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.771708][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.771708][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.771708][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.771708][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.771708][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.771708][ T74] [ 2778.774156][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.774156][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.774156][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.774156][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.774156][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2778.774156][ T74] ipv6_add_addr+0x411/0x2000 [ 2778.774156][ T74] inet6_addr_add+0x30e/0xa40 [ 2778.774156][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.774156][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.774156][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.774156][ T74] netlink_unicast+0x449/0x710 [ 2778.774156][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.774156][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.774156][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.774156][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.774156][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.774156][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.774156][ T74] [ 2778.776551][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.776551][ T74] netdev_get_by_index+0x5e/0x80 [ 2778.776551][ T74] fib6_nh_init+0x3d8/0x1580 [ 2778.776551][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2778.776551][ T74] ip6_route_add+0x1c/0x140 [ 2778.776551][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2778.776551][ T74] addrconf_add_dev+0xe2/0x170 [ 2778.776551][ T74] inet6_addr_add+0x12f/0xa40 [ 2778.776551][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2778.776551][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.776551][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.776551][ T74] netlink_unicast+0x449/0x710 [ 2778.776551][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.776551][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.776551][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.776551][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.776551][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.776551][ T74] [ 2778.779036][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.779036][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2778.779036][ T74] ipv6_find_idev+0x102/0x170 [ 2778.779036][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.779036][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.779036][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.779036][ T74] netlink_unicast+0x449/0x710 [ 2778.779036][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.779036][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.779036][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.779036][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.779036][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.779036][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.779036][ T74] [ 2778.780876][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2778.780876][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2778.780876][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2778.780876][ T74] ipv6_find_idev+0x102/0x170 [ 2778.780876][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2778.780876][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2778.780876][ T74] netlink_rcv_skb+0x130/0x360 [ 2778.780876][ T74] netlink_unicast+0x449/0x710 [ 2778.780876][ T74] netlink_sendmsg+0x723/0xbe0 [ 2778.780876][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2778.780876][ T74] ___sys_sendmsg+0xee/0x170 [ 2778.780876][ T74] __sys_sendmsg+0xcd/0x170 [ 2778.780876][ T74] do_syscall_64+0xc6/0x1e0 [ 2778.780876][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2778.780876][ T74] [ 2779.544920][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2779.545418][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2779.545418][T16070] dst_init+0x84/0x4a0 [ 2779.545418][T16070] dst_alloc+0x97/0x150 [ 2779.545418][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.545418][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.545418][T16070] ip6_pol_route+0x56f/0x840 [ 2779.545418][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2779.545418][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2779.545418][T16070] fib6_rule_lookup+0x182/0x630 [ 2779.545418][T16070] ip6_route_output_flags+0x259/0x480 [ 2779.545418][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2779.545418][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2779.545418][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2779.545418][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2779.545418][T16070] ip6_datagram_connect+0x2c/0x50 [ 2779.545418][T16070] __sys_connect+0x217/0x2a0 [ 2779.545418][T16070] __x64_sys_connect+0x72/0xb0 [ 2779.545418][T16070] [ 2779.547956][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2779.547956][T16070] dst_init+0x84/0x4a0 [ 2779.547956][T16070] dst_alloc+0x97/0x150 [ 2779.547956][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.547956][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.547956][T16070] ip6_pol_route+0x56f/0x840 [ 2779.547956][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2779.547956][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2779.547956][T16070] fib6_rule_lookup+0x182/0x630 [ 2779.547956][T16070] ip6_route_output_flags+0x259/0x480 [ 2779.547956][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2779.547956][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2779.547956][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2779.547956][T16070] __inet_stream_connect+0x272/0x9f0 [ 2779.547956][T16070] inet_stream_connect+0x57/0xa0 [ 2779.547956][T16070] __sys_connect+0x217/0x2a0 [ 2779.547956][T16070] __x64_sys_connect+0x72/0xb0 [ 2779.547956][T16070] [ 2779.550463][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.550463][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2779.550463][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2779.550463][T16070] fib6_nh_init+0xa22/0x1580 [ 2779.550463][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.550463][T16070] ip6_route_add+0x1c/0x140 [ 2779.550463][T16070] inet6_rtm_newroute+0x104/0x110 [ 2779.550463][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.550463][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.550463][T16070] netlink_unicast+0x449/0x710 [ 2779.550463][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.550463][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.550463][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.550463][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.550463][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.550463][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.550463][T16070] [ 2779.552778][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.552778][T16070] dst_init+0x84/0x4a0 [ 2779.552778][T16070] dst_alloc+0x97/0x150 [ 2779.552778][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.552778][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.552778][T16070] ip6_pol_route+0x56f/0x840 [ 2779.552778][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2779.552778][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2779.552778][T16070] fib6_rule_lookup+0x182/0x630 [ 2779.552778][T16070] ip6_route_input+0x59c/0xa50 [ 2779.552778][T16070] ipv6_rcv+0x397/0x810 [ 2779.552778][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2779.552778][T16070] process_backlog+0x101/0x620 [ 2779.552778][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2779.552778][T16070] net_rx_action+0x495/0xbe0 [ 2779.552778][T16070] __do_softirq+0x1b5/0x7f6 [ 2779.552778][T16070] [ 2779.555044][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.555044][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.555044][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.555044][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.555044][T16070] ip6_route_add+0x1c/0x140 [ 2779.555044][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2779.555044][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2779.555044][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2779.555044][T16070] addrconf_dad_begin+0x310/0x670 [ 2779.555044][T16070] addrconf_dad_work+0x10b/0xab0 [ 2779.555044][T16070] process_one_work+0x84d/0x18a0 [ 2779.555044][T16070] worker_thread+0x587/0xd30 [ 2779.555044][T16070] kthread+0x28a/0x350 [ 2779.555044][T16070] ret_from_fork+0x31/0x70 [ 2779.555044][T16070] ret_from_fork_asm+0x1a/0x30 [ 2779.555044][T16070] [ 2779.557273][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.557273][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.557273][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.557273][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.557273][T16070] ip6_route_add+0x1c/0x140 [ 2779.557273][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2779.557273][T16070] inet6_addr_add+0x4f8/0xa40 [ 2779.557273][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.557273][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.557273][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.557273][T16070] netlink_unicast+0x449/0x710 [ 2779.557273][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.557273][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.557273][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.557273][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.557273][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.557273][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.557273][T16070] [ 2779.559743][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.559743][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.559743][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.559743][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.559743][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2779.559743][T16070] ipv6_add_addr+0x411/0x2000 [ 2779.559743][T16070] inet6_addr_add+0x30e/0xa40 [ 2779.559743][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.559743][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.559743][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.559743][T16070] netlink_unicast+0x449/0x710 [ 2779.559743][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.559743][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.559743][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.559743][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.559743][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.559743][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.559743][T16070] [ 2779.562208][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.562208][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.562208][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.562208][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.562208][T16070] ip6_route_add+0x1c/0x140 [ 2779.562208][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.562208][T16070] addrconf_add_dev+0xe2/0x170 [ 2779.562208][T16070] inet6_addr_add+0x12f/0xa40 [ 2779.562208][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.562208][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.562208][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.562208][T16070] netlink_unicast+0x449/0x710 [ 2779.562208][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.562208][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.562208][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.562208][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.562208][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.562208][T16070] [ 2779.564636][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.564636][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2779.564636][T16070] ipv6_find_idev+0x102/0x170 [ 2779.564636][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.564636][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.564636][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.564636][T16070] netlink_unicast+0x449/0x710 [ 2779.564636][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.564636][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.564636][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.564636][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.564636][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.564636][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.564636][T16070] [ 2779.566511][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2779.566511][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2779.566511][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2779.566511][T16070] ipv6_find_idev+0x102/0x170 [ 2779.566511][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.566511][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.566511][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.566511][T16070] netlink_unicast+0x449/0x710 [ 2779.566511][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.566511][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.566511][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.566511][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.566511][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.566511][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.566511][T16070] [ 2779.568588][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2779.568937][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2779.568937][T16070] dst_init+0x84/0x4a0 [ 2779.568937][T16070] dst_alloc+0x97/0x150 [ 2779.568937][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.568937][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.568937][T16070] ip6_pol_route+0x56f/0x840 [ 2779.568937][T16070] fib6_rule_lookup+0x334/0x630 [ 2779.568937][T16070] ip6_route_output_flags+0x259/0x480 [ 2779.568937][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2779.568937][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2779.568937][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2779.568937][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2779.568937][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2779.568937][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.568937][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.568937][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.568937][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.568937][T16070] [ 2779.571432][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.571432][T16070] dst_init+0x84/0x4a0 [ 2779.571432][T16070] dst_alloc+0x97/0x150 [ 2779.571432][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.571432][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.571432][T16070] ip6_pol_route+0x56f/0x840 [ 2779.571432][T16070] fib6_rule_lookup+0x334/0x630 [ 2779.571432][T16070] ip6_route_output_flags+0x259/0x480 [ 2779.571432][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2779.571432][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2779.571432][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2779.571432][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2779.571432][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2779.571432][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2779.571432][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2779.571432][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2779.571432][T16070] ip6_input_finish+0x120/0x260 [ 2779.571432][T16070] [ 2779.574037][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.574037][T16070] dst_init+0x84/0x4a0 [ 2779.574037][T16070] dst_alloc+0x97/0x150 [ 2779.574037][T16070] ip6_dst_alloc+0x23/0x90 [ 2779.574037][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2779.574037][T16070] ip6_pol_route+0x56f/0x840 [ 2779.574037][T16070] fib6_rule_lookup+0x456/0x630 [ 2779.574037][T16070] ip6_route_input+0x59c/0xa50 [ 2779.574037][T16070] ipv6_rcv+0x397/0x810 [ 2779.574037][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2779.574037][T16070] process_backlog+0x101/0x620 [ 2779.574037][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2779.574037][T16070] net_rx_action+0x495/0xbe0 [ 2779.574037][T16070] __do_softirq+0x1b5/0x7f6 [ 2779.574037][T16070] [ 2779.576080][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.576080][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.576080][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.576080][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.576080][T16070] ip6_route_add+0x1c/0x140 [ 2779.576080][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2779.576080][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2779.576080][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2779.576080][T16070] addrconf_dad_begin+0x310/0x670 [ 2779.576080][T16070] addrconf_dad_work+0x10b/0xab0 [ 2779.576080][T16070] process_one_work+0x84d/0x18a0 [ 2779.576080][T16070] worker_thread+0x587/0xd30 [ 2779.576080][T16070] kthread+0x28a/0x350 [ 2779.576080][T16070] ret_from_fork+0x31/0x70 [ 2779.576080][T16070] ret_from_fork_asm+0x1a/0x30 [ 2779.576080][T16070] [ 2779.578481][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.578481][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.578481][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.578481][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.578481][T16070] ip6_route_add+0x1c/0x140 [ 2779.578481][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2779.578481][T16070] inet6_addr_add+0x4f8/0xa40 [ 2779.578481][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.578481][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.578481][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.578481][T16070] netlink_unicast+0x449/0x710 [ 2779.578481][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.578481][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.578481][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.578481][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.578481][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.578481][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.578481][T16070] [ 2779.581174][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.581174][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.581174][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.581174][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.581174][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2779.581174][T16070] ipv6_add_addr+0x411/0x2000 [ 2779.581174][T16070] inet6_addr_add+0x30e/0xa40 [ 2779.581174][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.581174][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.581174][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.581174][T16070] netlink_unicast+0x449/0x710 [ 2779.581174][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.581174][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.581174][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.581174][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.581174][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.581174][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.581174][T16070] [ 2779.583823][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.583823][T16070] netdev_get_by_index+0x5e/0x80 [ 2779.583823][T16070] fib6_nh_init+0x3d8/0x1580 [ 2779.583823][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2779.583823][T16070] ip6_route_add+0x1c/0x140 [ 2779.583823][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2779.583823][T16070] addrconf_add_dev+0xe2/0x170 [ 2779.583823][T16070] inet6_addr_add+0x12f/0xa40 [ 2779.583823][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2779.583823][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.583823][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.583823][T16070] netlink_unicast+0x449/0x710 [ 2779.583823][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.583823][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.583823][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.583823][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.583823][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.583823][T16070] [ 2779.586368][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.586368][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2779.586368][T16070] ipv6_find_idev+0x102/0x170 [ 2779.586368][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.586368][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.586368][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.586368][T16070] netlink_unicast+0x449/0x710 [ 2779.586368][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.586368][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.586368][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.586368][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.586368][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.586368][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.586368][T16070] [ 2779.588347][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2779.588347][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2779.588347][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2779.588347][T16070] ipv6_find_idev+0x102/0x170 [ 2779.588347][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2779.588347][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2779.588347][T16070] netlink_rcv_skb+0x130/0x360 [ 2779.588347][T16070] netlink_unicast+0x449/0x710 [ 2779.588347][T16070] netlink_sendmsg+0x723/0xbe0 [ 2779.588347][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2779.588347][T16070] ___sys_sendmsg+0xee/0x170 [ 2779.588347][T16070] __sys_sendmsg+0xcd/0x170 [ 2779.588347][T16070] do_syscall_64+0xc6/0x1e0 [ 2779.588347][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2779.588347][T16070] [ 2789.024861][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2789.025309][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.025309][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.025309][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.025309][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.025309][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.025309][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.025309][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.025309][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.025309][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.025309][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.025309][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.025309][ T74] process_one_work+0x84d/0x18a0 [ 2789.025309][ T74] worker_thread+0x587/0xd30 [ 2789.025309][ T74] kthread+0x28a/0x350 [ 2789.025309][ T74] ret_from_fork+0x31/0x70 [ 2789.025309][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.025309][ T74] [ 2789.027482][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.027482][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.027482][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.027482][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.027482][ T74] ip6_route_add+0x1c/0x140 [ 2789.027482][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.027482][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.027482][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.027482][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.027482][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.027482][ T74] netlink_unicast+0x449/0x710 [ 2789.027482][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.027482][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.027482][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.027482][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.027482][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.027482][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.027482][ T74] [ 2789.029747][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.029747][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.029747][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.029747][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.029747][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.029747][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.029747][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.029747][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.029747][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.029747][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.029747][ T74] netlink_unicast+0x449/0x710 [ 2789.029747][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.029747][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.029747][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.029747][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.029747][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.029747][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.029747][ T74] [ 2789.032009][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.032009][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.032009][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.032009][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.032009][ T74] ip6_route_add+0x1c/0x140 [ 2789.032009][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.032009][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.032009][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.032009][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.032009][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.032009][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.032009][ T74] netlink_unicast+0x449/0x710 [ 2789.032009][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.032009][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.032009][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.032009][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.032009][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.032009][ T74] [ 2789.034205][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.034205][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.034205][ T74] ipv6_find_idev+0x102/0x170 [ 2789.034205][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.034205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.034205][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.034205][ T74] netlink_unicast+0x449/0x710 [ 2789.034205][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.034205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.034205][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.034205][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.034205][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.034205][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.034205][ T74] [ 2789.035945][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2789.035945][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.035945][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.035945][ T74] ipv6_find_idev+0x102/0x170 [ 2789.035945][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.035945][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.035945][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.035945][ T74] netlink_unicast+0x449/0x710 [ 2789.035945][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.035945][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.035945][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.035945][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.035945][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.035945][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.035945][ T74] [ 2789.037834][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2789.038099][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.038099][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.038099][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.038099][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.038099][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.038099][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.038099][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.038099][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.038099][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.038099][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.038099][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.038099][ T74] process_one_work+0x84d/0x18a0 [ 2789.038099][ T74] worker_thread+0x587/0xd30 [ 2789.038099][ T74] kthread+0x28a/0x350 [ 2789.038099][ T74] ret_from_fork+0x31/0x70 [ 2789.038099][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.038099][ T74] [ 2789.040251][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.040251][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.040251][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.040251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.040251][ T74] ip6_route_add+0x1c/0x140 [ 2789.040251][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.040251][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.040251][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.040251][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.040251][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.040251][ T74] netlink_unicast+0x449/0x710 [ 2789.040251][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.040251][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.040251][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.040251][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.040251][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.040251][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.040251][ T74] [ 2789.042481][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.042481][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.042481][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.042481][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.042481][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.042481][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.042481][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.042481][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.042481][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.042481][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.042481][ T74] netlink_unicast+0x449/0x710 [ 2789.042481][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.042481][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.042481][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.042481][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.042481][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.042481][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.042481][ T74] [ 2789.044719][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.044719][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.044719][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.044719][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.044719][ T74] ip6_route_add+0x1c/0x140 [ 2789.044719][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.044719][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.044719][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.044719][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.044719][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.044719][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.044719][ T74] netlink_unicast+0x449/0x710 [ 2789.044719][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.044719][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.044719][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.044719][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.044719][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.044719][ T74] [ 2789.046938][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.046938][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.046938][ T74] ipv6_find_idev+0x102/0x170 [ 2789.046938][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.046938][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.046938][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.046938][ T74] netlink_unicast+0x449/0x710 [ 2789.046938][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.046938][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.046938][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.046938][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.046938][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.046938][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.046938][ T74] [ 2789.048674][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2789.048674][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.048674][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.048674][ T74] ipv6_find_idev+0x102/0x170 [ 2789.048674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.048674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.048674][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.048674][ T74] netlink_unicast+0x449/0x710 [ 2789.048674][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.048674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.048674][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.048674][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.048674][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.048674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.048674][ T74] [ 2789.050570][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2789.050828][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.050828][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.050828][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.050828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.050828][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.050828][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.050828][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.050828][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.050828][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.050828][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.050828][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.050828][ T74] process_one_work+0x84d/0x18a0 [ 2789.050828][ T74] worker_thread+0x587/0xd30 [ 2789.050828][ T74] kthread+0x28a/0x350 [ 2789.050828][ T74] ret_from_fork+0x31/0x70 [ 2789.050828][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.050828][ T74] [ 2789.053000][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.053000][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.053000][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.053000][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.053000][ T74] ip6_route_add+0x1c/0x140 [ 2789.053000][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.053000][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.053000][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.053000][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.053000][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.053000][ T74] netlink_unicast+0x449/0x710 [ 2789.053000][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.053000][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.053000][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.053000][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.053000][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.053000][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.053000][ T74] [ 2789.055424][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.055424][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.055424][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.055424][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.055424][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.055424][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.055424][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.055424][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.055424][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.055424][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.055424][ T74] netlink_unicast+0x449/0x710 [ 2789.055424][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.055424][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.055424][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.055424][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.055424][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.055424][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.055424][ T74] [ 2789.058096][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.058096][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.058096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.058096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.058096][ T74] ip6_route_add+0x1c/0x140 [ 2789.058096][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.058096][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.058096][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.058096][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.058096][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.058096][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.058096][ T74] netlink_unicast+0x449/0x710 [ 2789.058096][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.058096][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.058096][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.058096][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.058096][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.058096][ T74] [ 2789.060674][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.060674][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.060674][ T74] ipv6_find_idev+0x102/0x170 [ 2789.060674][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.060674][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.060674][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.060674][ T74] netlink_unicast+0x449/0x710 [ 2789.060674][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.060674][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.060674][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.060674][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.060674][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.060674][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.060674][ T74] [ 2789.062693][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2789.062693][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.062693][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.062693][ T74] ipv6_find_idev+0x102/0x170 [ 2789.062693][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.062693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.062693][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.062693][ T74] netlink_unicast+0x449/0x710 [ 2789.062693][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.062693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.062693][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.062693][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.062693][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.062693][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.062693][ T74] [ 2789.064857][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2789.065128][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.065128][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.065128][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.065128][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.065128][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2789.065128][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2789.065128][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2789.065128][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2789.065128][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2789.065128][ T74] addrconf_dad_begin+0x310/0x670 [ 2789.065128][ T74] addrconf_dad_work+0x10b/0xab0 [ 2789.065128][ T74] process_one_work+0x84d/0x18a0 [ 2789.065128][ T74] worker_thread+0x587/0xd30 [ 2789.065128][ T74] kthread+0x28a/0x350 [ 2789.065128][ T74] ret_from_fork+0x31/0x70 [ 2789.065128][ T74] ret_from_fork_asm+0x1a/0x30 [ 2789.065128][ T74] [ 2789.067743][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.067743][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.067743][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.067743][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.067743][ T74] ip6_route_add+0x1c/0x140 [ 2789.067743][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2789.067743][ T74] inet6_addr_add+0x4f8/0xa40 [ 2789.067743][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.067743][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.067743][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.067743][ T74] netlink_unicast+0x449/0x710 [ 2789.067743][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.067743][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.067743][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.067743][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.067743][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.067743][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.067743][ T74] [ 2789.070419][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.070419][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.070419][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.070419][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.070419][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2789.070419][ T74] ipv6_add_addr+0x411/0x2000 [ 2789.070419][ T74] inet6_addr_add+0x30e/0xa40 [ 2789.070419][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.070419][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.070419][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.070419][ T74] netlink_unicast+0x449/0x710 [ 2789.070419][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.070419][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.070419][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.070419][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.070419][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.070419][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.070419][ T74] [ 2789.073007][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.073007][ T74] netdev_get_by_index+0x5e/0x80 [ 2789.073007][ T74] fib6_nh_init+0x3d8/0x1580 [ 2789.073007][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2789.073007][ T74] ip6_route_add+0x1c/0x140 [ 2789.073007][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.073007][ T74] addrconf_add_dev+0xe2/0x170 [ 2789.073007][ T74] inet6_addr_add+0x12f/0xa40 [ 2789.073007][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.073007][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.073007][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.073007][ T74] netlink_unicast+0x449/0x710 [ 2789.073007][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.073007][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.073007][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.073007][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.073007][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.073007][ T74] [ 2789.075404][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.075404][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2789.075404][ T74] ipv6_find_idev+0x102/0x170 [ 2789.075404][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.075404][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.075404][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.075404][ T74] netlink_unicast+0x449/0x710 [ 2789.075404][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.075404][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.075404][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.075404][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.075404][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.075404][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.075404][ T74] [ 2789.077273][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2789.077273][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2789.077273][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2789.077273][ T74] ipv6_find_idev+0x102/0x170 [ 2789.077273][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.077273][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.077273][ T74] netlink_rcv_skb+0x130/0x360 [ 2789.077273][ T74] netlink_unicast+0x449/0x710 [ 2789.077273][ T74] netlink_sendmsg+0x723/0xbe0 [ 2789.077273][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2789.077273][ T74] ___sys_sendmsg+0xee/0x170 [ 2789.077273][ T74] __sys_sendmsg+0xcd/0x170 [ 2789.077273][ T74] do_syscall_64+0xc6/0x1e0 [ 2789.077273][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.077273][ T74] [ 2789.832922][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2789.833437][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2789.833437][T16070] dst_init+0x84/0x4a0 [ 2789.833437][T16070] dst_alloc+0x97/0x150 [ 2789.833437][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.833437][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.833437][T16070] ip6_pol_route+0x56f/0x840 [ 2789.833437][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2789.833437][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2789.833437][T16070] fib6_rule_lookup+0x182/0x630 [ 2789.833437][T16070] ip6_route_output_flags+0x259/0x480 [ 2789.833437][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2789.833437][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2789.833437][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2789.833437][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2789.833437][T16070] ip6_datagram_connect+0x2c/0x50 [ 2789.833437][T16070] __sys_connect+0x217/0x2a0 [ 2789.833437][T16070] __x64_sys_connect+0x72/0xb0 [ 2789.833437][T16070] [ 2789.836006][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2789.836006][T16070] dst_init+0x84/0x4a0 [ 2789.836006][T16070] dst_alloc+0x97/0x150 [ 2789.836006][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.836006][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.836006][T16070] ip6_pol_route+0x56f/0x840 [ 2789.836006][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2789.836006][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2789.836006][T16070] fib6_rule_lookup+0x182/0x630 [ 2789.836006][T16070] ip6_route_output_flags+0x259/0x480 [ 2789.836006][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2789.836006][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2789.836006][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2789.836006][T16070] __inet_stream_connect+0x272/0x9f0 [ 2789.836006][T16070] inet_stream_connect+0x57/0xa0 [ 2789.836006][T16070] __sys_connect+0x217/0x2a0 [ 2789.836006][T16070] __x64_sys_connect+0x72/0xb0 [ 2789.836006][T16070] [ 2789.838504][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.838504][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2789.838504][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2789.838504][T16070] fib6_nh_init+0xa22/0x1580 [ 2789.838504][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.838504][T16070] ip6_route_add+0x1c/0x140 [ 2789.838504][T16070] inet6_rtm_newroute+0x104/0x110 [ 2789.838504][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.838504][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.838504][T16070] netlink_unicast+0x449/0x710 [ 2789.838504][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.838504][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.838504][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.838504][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.838504][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.838504][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.838504][T16070] [ 2789.840875][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.840875][T16070] dst_init+0x84/0x4a0 [ 2789.840875][T16070] dst_alloc+0x97/0x150 [ 2789.840875][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.840875][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.840875][T16070] ip6_pol_route+0x56f/0x840 [ 2789.840875][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2789.840875][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2789.840875][T16070] fib6_rule_lookup+0x182/0x630 [ 2789.840875][T16070] ip6_route_input+0x59c/0xa50 [ 2789.840875][T16070] ipv6_rcv+0x397/0x810 [ 2789.840875][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.840875][T16070] process_backlog+0x101/0x620 [ 2789.840875][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2789.840875][T16070] net_rx_action+0x495/0xbe0 [ 2789.840875][T16070] __do_softirq+0x1b5/0x7f6 [ 2789.840875][T16070] [ 2789.843206][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.843206][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.843206][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.843206][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.843206][T16070] ip6_route_add+0x1c/0x140 [ 2789.843206][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2789.843206][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2789.843206][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2789.843206][T16070] addrconf_dad_begin+0x310/0x670 [ 2789.843206][T16070] addrconf_dad_work+0x10b/0xab0 [ 2789.843206][T16070] process_one_work+0x84d/0x18a0 [ 2789.843206][T16070] worker_thread+0x587/0xd30 [ 2789.843206][T16070] kthread+0x28a/0x350 [ 2789.843206][T16070] ret_from_fork+0x31/0x70 [ 2789.843206][T16070] ret_from_fork_asm+0x1a/0x30 [ 2789.843206][T16070] [ 2789.845437][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.845437][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.845437][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.845437][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.845437][T16070] ip6_route_add+0x1c/0x140 [ 2789.845437][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2789.845437][T16070] inet6_addr_add+0x4f8/0xa40 [ 2789.845437][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.845437][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.845437][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.845437][T16070] netlink_unicast+0x449/0x710 [ 2789.845437][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.845437][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.845437][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.845437][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.845437][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.845437][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.845437][T16070] [ 2789.847920][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.847920][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.847920][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.847920][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.847920][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2789.847920][T16070] ipv6_add_addr+0x411/0x2000 [ 2789.847920][T16070] inet6_addr_add+0x30e/0xa40 [ 2789.847920][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.847920][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.847920][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.847920][T16070] netlink_unicast+0x449/0x710 [ 2789.847920][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.847920][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.847920][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.847920][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.847920][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.847920][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.847920][T16070] [ 2789.850416][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.850416][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.850416][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.850416][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.850416][T16070] ip6_route_add+0x1c/0x140 [ 2789.850416][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.850416][T16070] addrconf_add_dev+0xe2/0x170 [ 2789.850416][T16070] inet6_addr_add+0x12f/0xa40 [ 2789.850416][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.850416][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.850416][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.850416][T16070] netlink_unicast+0x449/0x710 [ 2789.850416][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.850416][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.850416][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.850416][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.850416][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.850416][T16070] [ 2789.852836][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.852836][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2789.852836][T16070] ipv6_find_idev+0x102/0x170 [ 2789.852836][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.852836][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.852836][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.852836][T16070] netlink_unicast+0x449/0x710 [ 2789.852836][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.852836][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.852836][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.852836][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.852836][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.852836][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.852836][T16070] [ 2789.854759][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2789.854759][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2789.854759][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2789.854759][T16070] ipv6_find_idev+0x102/0x170 [ 2789.854759][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.854759][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.854759][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.854759][T16070] netlink_unicast+0x449/0x710 [ 2789.854759][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.854759][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.854759][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.854759][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.854759][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.854759][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.854759][T16070] [ 2789.856854][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2789.857185][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2789.857185][T16070] dst_init+0x84/0x4a0 [ 2789.857185][T16070] dst_alloc+0x97/0x150 [ 2789.857185][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.857185][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.857185][T16070] ip6_pol_route+0x56f/0x840 [ 2789.857185][T16070] fib6_rule_lookup+0x334/0x630 [ 2789.857185][T16070] ip6_route_output_flags+0x259/0x480 [ 2789.857185][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2789.857185][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2789.857185][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2789.857185][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2789.857185][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2789.857185][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.857185][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.857185][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.857185][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.857185][T16070] [ 2789.859678][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.859678][T16070] dst_init+0x84/0x4a0 [ 2789.859678][T16070] dst_alloc+0x97/0x150 [ 2789.859678][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.859678][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.859678][T16070] ip6_pol_route+0x56f/0x840 [ 2789.859678][T16070] fib6_rule_lookup+0x334/0x630 [ 2789.859678][T16070] ip6_route_output_flags+0x259/0x480 [ 2789.859678][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2789.859678][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2789.859678][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2789.859678][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2789.859678][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2789.859678][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2789.859678][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2789.859678][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2789.859678][T16070] ip6_input_finish+0x120/0x260 [ 2789.859678][T16070] [ 2789.862227][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.862227][T16070] dst_init+0x84/0x4a0 [ 2789.862227][T16070] dst_alloc+0x97/0x150 [ 2789.862227][T16070] ip6_dst_alloc+0x23/0x90 [ 2789.862227][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2789.862227][T16070] ip6_pol_route+0x56f/0x840 [ 2789.862227][T16070] fib6_rule_lookup+0x456/0x630 [ 2789.862227][T16070] ip6_route_input+0x59c/0xa50 [ 2789.862227][T16070] ipv6_rcv+0x397/0x810 [ 2789.862227][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2789.862227][T16070] process_backlog+0x101/0x620 [ 2789.862227][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2789.862227][T16070] net_rx_action+0x495/0xbe0 [ 2789.862227][T16070] __do_softirq+0x1b5/0x7f6 [ 2789.862227][T16070] [ 2789.864236][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.864236][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.864236][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.864236][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.864236][T16070] ip6_route_add+0x1c/0x140 [ 2789.864236][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2789.864236][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2789.864236][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2789.864236][T16070] addrconf_dad_begin+0x310/0x670 [ 2789.864236][T16070] addrconf_dad_work+0x10b/0xab0 [ 2789.864236][T16070] process_one_work+0x84d/0x18a0 [ 2789.864236][T16070] worker_thread+0x587/0xd30 [ 2789.864236][T16070] kthread+0x28a/0x350 [ 2789.864236][T16070] ret_from_fork+0x31/0x70 [ 2789.864236][T16070] ret_from_fork_asm+0x1a/0x30 [ 2789.864236][T16070] [ 2789.866651][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.866651][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.866651][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.866651][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.866651][T16070] ip6_route_add+0x1c/0x140 [ 2789.866651][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2789.866651][T16070] inet6_addr_add+0x4f8/0xa40 [ 2789.866651][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.866651][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.866651][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.866651][T16070] netlink_unicast+0x449/0x710 [ 2789.866651][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.866651][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.866651][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.866651][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.866651][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.866651][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.866651][T16070] [ 2789.869445][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.869445][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.869445][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.869445][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.869445][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2789.869445][T16070] ipv6_add_addr+0x411/0x2000 [ 2789.869445][T16070] inet6_addr_add+0x30e/0xa40 [ 2789.869445][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.869445][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.869445][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.869445][T16070] netlink_unicast+0x449/0x710 [ 2789.869445][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.869445][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.869445][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.869445][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.869445][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.869445][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.869445][T16070] [ 2789.872238][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.872238][T16070] netdev_get_by_index+0x5e/0x80 [ 2789.872238][T16070] fib6_nh_init+0x3d8/0x1580 [ 2789.872238][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2789.872238][T16070] ip6_route_add+0x1c/0x140 [ 2789.872238][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2789.872238][T16070] addrconf_add_dev+0xe2/0x170 [ 2789.872238][T16070] inet6_addr_add+0x12f/0xa40 [ 2789.872238][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2789.872238][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.872238][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.872238][T16070] netlink_unicast+0x449/0x710 [ 2789.872238][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.872238][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.872238][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.872238][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.872238][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.872238][T16070] [ 2789.874833][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.874833][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2789.874833][T16070] ipv6_find_idev+0x102/0x170 [ 2789.874833][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.874833][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.874833][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.874833][T16070] netlink_unicast+0x449/0x710 [ 2789.874833][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.874833][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.874833][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.874833][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.874833][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.874833][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.874833][T16070] [ 2789.877061][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2789.877061][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2789.877061][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2789.877061][T16070] ipv6_find_idev+0x102/0x170 [ 2789.877061][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2789.877061][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2789.877061][T16070] netlink_rcv_skb+0x130/0x360 [ 2789.877061][T16070] netlink_unicast+0x449/0x710 [ 2789.877061][T16070] netlink_sendmsg+0x723/0xbe0 [ 2789.877061][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2789.877061][T16070] ___sys_sendmsg+0xee/0x170 [ 2789.877061][T16070] __sys_sendmsg+0xcd/0x170 [ 2789.877061][T16070] do_syscall_64+0xc6/0x1e0 [ 2789.877061][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2789.877061][T16070] [ 2799.320866][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2799.321335][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.321335][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.321335][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.321335][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.321335][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.321335][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.321335][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.321335][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.321335][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.321335][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.321335][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.321335][ T74] process_one_work+0x84d/0x18a0 [ 2799.321335][ T74] worker_thread+0x587/0xd30 [ 2799.321335][ T74] kthread+0x28a/0x350 [ 2799.321335][ T74] ret_from_fork+0x31/0x70 [ 2799.321335][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.321335][ T74] [ 2799.323515][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.323515][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.323515][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.323515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.323515][ T74] ip6_route_add+0x1c/0x140 [ 2799.323515][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.323515][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.323515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.323515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.323515][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.323515][ T74] netlink_unicast+0x449/0x710 [ 2799.323515][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.323515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.323515][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.323515][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.323515][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.323515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.323515][ T74] [ 2799.325762][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.325762][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.325762][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.325762][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.325762][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.325762][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.325762][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.325762][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.325762][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.325762][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.325762][ T74] netlink_unicast+0x449/0x710 [ 2799.325762][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.325762][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.325762][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.325762][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.325762][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.325762][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.325762][ T74] [ 2799.328014][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.328014][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.328014][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.328014][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.328014][ T74] ip6_route_add+0x1c/0x140 [ 2799.328014][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.328014][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.328014][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.328014][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.328014][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.328014][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.328014][ T74] netlink_unicast+0x449/0x710 [ 2799.328014][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.328014][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.328014][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.328014][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.328014][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.328014][ T74] [ 2799.330230][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.330230][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.330230][ T74] ipv6_find_idev+0x102/0x170 [ 2799.330230][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.330230][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.330230][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.330230][ T74] netlink_unicast+0x449/0x710 [ 2799.330230][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.330230][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.330230][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.330230][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.330230][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.330230][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.330230][ T74] [ 2799.331967][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2799.331967][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.331967][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.331967][ T74] ipv6_find_idev+0x102/0x170 [ 2799.331967][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.331967][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.331967][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.331967][ T74] netlink_unicast+0x449/0x710 [ 2799.331967][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.331967][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.331967][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.331967][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.331967][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.331967][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.331967][ T74] [ 2799.333861][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2799.334123][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.334123][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.334123][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.334123][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.334123][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.334123][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.334123][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.334123][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.334123][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.334123][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.334123][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.334123][ T74] process_one_work+0x84d/0x18a0 [ 2799.334123][ T74] worker_thread+0x587/0xd30 [ 2799.334123][ T74] kthread+0x28a/0x350 [ 2799.334123][ T74] ret_from_fork+0x31/0x70 [ 2799.334123][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.334123][ T74] [ 2799.336283][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.336283][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.336283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.336283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.336283][ T74] ip6_route_add+0x1c/0x140 [ 2799.336283][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.336283][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.336283][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.336283][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.336283][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.336283][ T74] netlink_unicast+0x449/0x710 [ 2799.336283][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.336283][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.336283][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.336283][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.336283][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.336283][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.336283][ T74] [ 2799.338515][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.338515][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.338515][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.338515][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.338515][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.338515][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.338515][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.338515][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.338515][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.338515][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.338515][ T74] netlink_unicast+0x449/0x710 [ 2799.338515][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.338515][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.338515][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.338515][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.338515][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.338515][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.338515][ T74] [ 2799.340775][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.340775][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.340775][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.340775][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.340775][ T74] ip6_route_add+0x1c/0x140 [ 2799.340775][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.340775][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.340775][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.340775][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.340775][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.340775][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.340775][ T74] netlink_unicast+0x449/0x710 [ 2799.340775][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.340775][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.340775][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.340775][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.340775][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.340775][ T74] [ 2799.342996][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.342996][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.342996][ T74] ipv6_find_idev+0x102/0x170 [ 2799.342996][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.342996][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.342996][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.342996][ T74] netlink_unicast+0x449/0x710 [ 2799.342996][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.342996][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.342996][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.342996][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.342996][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.342996][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.342996][ T74] [ 2799.344712][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2799.344712][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.344712][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.344712][ T74] ipv6_find_idev+0x102/0x170 [ 2799.344712][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.344712][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.344712][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.344712][ T74] netlink_unicast+0x449/0x710 [ 2799.344712][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.344712][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.344712][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.344712][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.344712][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.344712][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.344712][ T74] [ 2799.346592][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2799.346854][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.346854][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.346854][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.346854][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.346854][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.346854][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.346854][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.346854][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.346854][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.346854][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.346854][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.346854][ T74] process_one_work+0x84d/0x18a0 [ 2799.346854][ T74] worker_thread+0x587/0xd30 [ 2799.346854][ T74] kthread+0x28a/0x350 [ 2799.346854][ T74] ret_from_fork+0x31/0x70 [ 2799.346854][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.346854][ T74] [ 2799.349008][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.349008][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.349008][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.349008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.349008][ T74] ip6_route_add+0x1c/0x140 [ 2799.349008][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.349008][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.349008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.349008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.349008][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.349008][ T74] netlink_unicast+0x449/0x710 [ 2799.349008][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.349008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.349008][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.349008][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.349008][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.349008][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.349008][ T74] [ 2799.351447][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.351447][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.351447][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.351447][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.351447][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.351447][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.351447][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.351447][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.351447][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.351447][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.351447][ T74] netlink_unicast+0x449/0x710 [ 2799.351447][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.351447][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.351447][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.351447][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.351447][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.351447][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.351447][ T74] [ 2799.353984][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.353984][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.353984][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.353984][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.353984][ T74] ip6_route_add+0x1c/0x140 [ 2799.353984][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.353984][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.353984][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.353984][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.353984][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.353984][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.353984][ T74] netlink_unicast+0x449/0x710 [ 2799.353984][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.353984][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.353984][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.353984][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.353984][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.353984][ T74] [ 2799.356636][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.356636][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.356636][ T74] ipv6_find_idev+0x102/0x170 [ 2799.356636][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.356636][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.356636][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.356636][ T74] netlink_unicast+0x449/0x710 [ 2799.356636][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.356636][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.356636][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.356636][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.356636][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.356636][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.356636][ T74] [ 2799.358543][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2799.358543][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.358543][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.358543][ T74] ipv6_find_idev+0x102/0x170 [ 2799.358543][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.358543][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.358543][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.358543][ T74] netlink_unicast+0x449/0x710 [ 2799.358543][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.358543][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.358543][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.358543][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.358543][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.358543][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.358543][ T74] [ 2799.360628][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2799.361404][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.361404][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.361404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.361404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.361404][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2799.361404][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2799.361404][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2799.361404][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2799.361404][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2799.361404][ T74] addrconf_dad_begin+0x310/0x670 [ 2799.361404][ T74] addrconf_dad_work+0x10b/0xab0 [ 2799.361404][ T74] process_one_work+0x84d/0x18a0 [ 2799.361404][ T74] worker_thread+0x587/0xd30 [ 2799.361404][ T74] kthread+0x28a/0x350 [ 2799.361404][ T74] ret_from_fork+0x31/0x70 [ 2799.361404][ T74] ret_from_fork_asm+0x1a/0x30 [ 2799.361404][ T74] [ 2799.363558][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.363558][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.363558][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.363558][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.363558][ T74] ip6_route_add+0x1c/0x140 [ 2799.363558][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2799.363558][ T74] inet6_addr_add+0x4f8/0xa40 [ 2799.363558][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.363558][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.363558][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.363558][ T74] netlink_unicast+0x449/0x710 [ 2799.363558][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.363558][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.363558][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.363558][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.363558][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.363558][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.363558][ T74] [ 2799.365883][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.365883][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.365883][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.365883][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.365883][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2799.365883][ T74] ipv6_add_addr+0x411/0x2000 [ 2799.365883][ T74] inet6_addr_add+0x30e/0xa40 [ 2799.365883][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.365883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.365883][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.365883][ T74] netlink_unicast+0x449/0x710 [ 2799.365883][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.365883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.365883][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.365883][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.365883][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.365883][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.365883][ T74] [ 2799.368446][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.368446][ T74] netdev_get_by_index+0x5e/0x80 [ 2799.368446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2799.368446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2799.368446][ T74] ip6_route_add+0x1c/0x140 [ 2799.368446][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2799.368446][ T74] addrconf_add_dev+0xe2/0x170 [ 2799.368446][ T74] inet6_addr_add+0x12f/0xa40 [ 2799.368446][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2799.368446][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.368446][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.368446][ T74] netlink_unicast+0x449/0x710 [ 2799.368446][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.368446][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.368446][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.368446][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.368446][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.368446][ T74] [ 2799.370919][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.370919][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2799.370919][ T74] ipv6_find_idev+0x102/0x170 [ 2799.370919][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.370919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.370919][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.370919][ T74] netlink_unicast+0x449/0x710 [ 2799.370919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.370919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.370919][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.370919][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.370919][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.370919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.370919][ T74] [ 2799.372857][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2799.372857][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2799.372857][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2799.372857][ T74] ipv6_find_idev+0x102/0x170 [ 2799.372857][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2799.372857][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2799.372857][ T74] netlink_rcv_skb+0x130/0x360 [ 2799.372857][ T74] netlink_unicast+0x449/0x710 [ 2799.372857][ T74] netlink_sendmsg+0x723/0xbe0 [ 2799.372857][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2799.372857][ T74] ___sys_sendmsg+0xee/0x170 [ 2799.372857][ T74] __sys_sendmsg+0xcd/0x170 [ 2799.372857][ T74] do_syscall_64+0xc6/0x1e0 [ 2799.372857][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2799.372857][ T74] [ 2800.128867][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2800.129275][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2800.129275][T16070] dst_init+0x84/0x4a0 [ 2800.129275][T16070] dst_alloc+0x97/0x150 [ 2800.129275][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.129275][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.129275][T16070] ip6_pol_route+0x56f/0x840 [ 2800.129275][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2800.129275][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2800.129275][T16070] fib6_rule_lookup+0x182/0x630 [ 2800.129275][T16070] ip6_route_output_flags+0x259/0x480 [ 2800.129275][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2800.129275][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2800.129275][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2800.129275][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2800.129275][T16070] ip6_datagram_connect+0x2c/0x50 [ 2800.129275][T16070] __sys_connect+0x217/0x2a0 [ 2800.129275][T16070] __x64_sys_connect+0x72/0xb0 [ 2800.129275][T16070] [ 2800.131594][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2800.131594][T16070] dst_init+0x84/0x4a0 [ 2800.131594][T16070] dst_alloc+0x97/0x150 [ 2800.131594][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.131594][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.131594][T16070] ip6_pol_route+0x56f/0x840 [ 2800.131594][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2800.131594][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2800.131594][T16070] fib6_rule_lookup+0x182/0x630 [ 2800.131594][T16070] ip6_route_output_flags+0x259/0x480 [ 2800.131594][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2800.131594][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2800.131594][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2800.131594][T16070] __inet_stream_connect+0x272/0x9f0 [ 2800.131594][T16070] inet_stream_connect+0x57/0xa0 [ 2800.131594][T16070] __sys_connect+0x217/0x2a0 [ 2800.131594][T16070] __x64_sys_connect+0x72/0xb0 [ 2800.131594][T16070] [ 2800.133855][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.133855][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2800.133855][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2800.133855][T16070] fib6_nh_init+0xa22/0x1580 [ 2800.133855][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.133855][T16070] ip6_route_add+0x1c/0x140 [ 2800.133855][T16070] inet6_rtm_newroute+0x104/0x110 [ 2800.133855][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.133855][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.133855][T16070] netlink_unicast+0x449/0x710 [ 2800.133855][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.133855][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.133855][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.133855][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.133855][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.133855][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.133855][T16070] [ 2800.135973][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.135973][T16070] dst_init+0x84/0x4a0 [ 2800.135973][T16070] dst_alloc+0x97/0x150 [ 2800.135973][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.135973][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.135973][T16070] ip6_pol_route+0x56f/0x840 [ 2800.135973][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2800.135973][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2800.135973][T16070] fib6_rule_lookup+0x182/0x630 [ 2800.135973][T16070] ip6_route_input+0x59c/0xa50 [ 2800.135973][T16070] ipv6_rcv+0x397/0x810 [ 2800.135973][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2800.135973][T16070] process_backlog+0x101/0x620 [ 2800.135973][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2800.135973][T16070] net_rx_action+0x495/0xbe0 [ 2800.135973][T16070] __do_softirq+0x1b5/0x7f6 [ 2800.135973][T16070] [ 2800.138066][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.138066][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.138066][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.138066][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.138066][T16070] ip6_route_add+0x1c/0x140 [ 2800.138066][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2800.138066][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2800.138066][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2800.138066][T16070] addrconf_dad_begin+0x310/0x670 [ 2800.138066][T16070] addrconf_dad_work+0x10b/0xab0 [ 2800.138066][T16070] process_one_work+0x84d/0x18a0 [ 2800.138066][T16070] worker_thread+0x587/0xd30 [ 2800.138066][T16070] kthread+0x28a/0x350 [ 2800.138066][T16070] ret_from_fork+0x31/0x70 [ 2800.138066][T16070] ret_from_fork_asm+0x1a/0x30 [ 2800.138066][T16070] [ 2800.140105][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.140105][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.140105][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.140105][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.140105][T16070] ip6_route_add+0x1c/0x140 [ 2800.140105][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2800.140105][T16070] inet6_addr_add+0x4f8/0xa40 [ 2800.140105][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.140105][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.140105][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.140105][T16070] netlink_unicast+0x449/0x710 [ 2800.140105][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.140105][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.140105][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.140105][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.140105][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.140105][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.140105][T16070] [ 2800.142353][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.142353][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.142353][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.142353][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.142353][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2800.142353][T16070] ipv6_add_addr+0x411/0x2000 [ 2800.142353][T16070] inet6_addr_add+0x30e/0xa40 [ 2800.142353][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.142353][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.142353][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.142353][T16070] netlink_unicast+0x449/0x710 [ 2800.142353][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.142353][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.142353][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.142353][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.142353][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.142353][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.142353][T16070] [ 2800.144612][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.144612][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.144612][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.144612][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.144612][T16070] ip6_route_add+0x1c/0x140 [ 2800.144612][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2800.144612][T16070] addrconf_add_dev+0xe2/0x170 [ 2800.144612][T16070] inet6_addr_add+0x12f/0xa40 [ 2800.144612][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.144612][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.144612][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.144612][T16070] netlink_unicast+0x449/0x710 [ 2800.144612][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.144612][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.144612][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.144612][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.144612][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.144612][T16070] [ 2800.146840][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.146840][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2800.146840][T16070] ipv6_find_idev+0x102/0x170 [ 2800.146840][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.146840][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.146840][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.146840][T16070] netlink_unicast+0x449/0x710 [ 2800.146840][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.146840][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.146840][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.146840][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.146840][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.146840][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.146840][T16070] [ 2800.148592][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2800.148592][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2800.148592][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2800.148592][T16070] ipv6_find_idev+0x102/0x170 [ 2800.148592][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.148592][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.148592][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.148592][T16070] netlink_unicast+0x449/0x710 [ 2800.148592][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.148592][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.148592][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.148592][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.148592][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.148592][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.148592][T16070] [ 2800.150504][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2800.150811][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2800.150811][T16070] dst_init+0x84/0x4a0 [ 2800.150811][T16070] dst_alloc+0x97/0x150 [ 2800.150811][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.150811][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.150811][T16070] ip6_pol_route+0x56f/0x840 [ 2800.150811][T16070] fib6_rule_lookup+0x334/0x630 [ 2800.150811][T16070] ip6_route_output_flags+0x259/0x480 [ 2800.150811][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2800.150811][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2800.150811][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2800.150811][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2800.150811][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2800.150811][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.150811][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.150811][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.150811][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.150811][T16070] [ 2800.153083][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.153083][T16070] dst_init+0x84/0x4a0 [ 2800.153083][T16070] dst_alloc+0x97/0x150 [ 2800.153083][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.153083][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.153083][T16070] ip6_pol_route+0x56f/0x840 [ 2800.153083][T16070] fib6_rule_lookup+0x334/0x630 [ 2800.153083][T16070] ip6_route_output_flags+0x259/0x480 [ 2800.153083][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2800.153083][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2800.153083][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2800.153083][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2800.153083][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2800.153083][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2800.153083][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2800.153083][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2800.153083][T16070] ip6_input_finish+0x120/0x260 [ 2800.153083][T16070] [ 2800.155362][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.155362][T16070] dst_init+0x84/0x4a0 [ 2800.155362][T16070] dst_alloc+0x97/0x150 [ 2800.155362][T16070] ip6_dst_alloc+0x23/0x90 [ 2800.155362][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2800.155362][T16070] ip6_pol_route+0x56f/0x840 [ 2800.155362][T16070] fib6_rule_lookup+0x456/0x630 [ 2800.155362][T16070] ip6_route_input+0x59c/0xa50 [ 2800.155362][T16070] ipv6_rcv+0x397/0x810 [ 2800.155362][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2800.155362][T16070] process_backlog+0x101/0x620 [ 2800.155362][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2800.155362][T16070] net_rx_action+0x495/0xbe0 [ 2800.155362][T16070] __do_softirq+0x1b5/0x7f6 [ 2800.155362][T16070] [ 2800.157212][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.157212][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.157212][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.157212][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.157212][T16070] ip6_route_add+0x1c/0x140 [ 2800.157212][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2800.157212][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2800.157212][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2800.157212][T16070] addrconf_dad_begin+0x310/0x670 [ 2800.157212][T16070] addrconf_dad_work+0x10b/0xab0 [ 2800.157212][T16070] process_one_work+0x84d/0x18a0 [ 2800.157212][T16070] worker_thread+0x587/0xd30 [ 2800.157212][T16070] kthread+0x28a/0x350 [ 2800.157212][T16070] ret_from_fork+0x31/0x70 [ 2800.157212][T16070] ret_from_fork_asm+0x1a/0x30 [ 2800.157212][T16070] [ 2800.159421][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.159421][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.159421][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.159421][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.159421][T16070] ip6_route_add+0x1c/0x140 [ 2800.159421][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2800.159421][T16070] inet6_addr_add+0x4f8/0xa40 [ 2800.159421][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.159421][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.159421][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.159421][T16070] netlink_unicast+0x449/0x710 [ 2800.159421][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.159421][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.159421][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.159421][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.159421][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.159421][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.159421][T16070] [ 2800.161830][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.161830][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.161830][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.161830][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.161830][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2800.161830][T16070] ipv6_add_addr+0x411/0x2000 [ 2800.161830][T16070] inet6_addr_add+0x30e/0xa40 [ 2800.161830][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.161830][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.161830][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.161830][T16070] netlink_unicast+0x449/0x710 [ 2800.161830][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.161830][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.161830][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.161830][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.161830][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.161830][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.161830][T16070] [ 2800.164252][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.164252][T16070] netdev_get_by_index+0x5e/0x80 [ 2800.164252][T16070] fib6_nh_init+0x3d8/0x1580 [ 2800.164252][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2800.164252][T16070] ip6_route_add+0x1c/0x140 [ 2800.164252][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2800.164252][T16070] addrconf_add_dev+0xe2/0x170 [ 2800.164252][T16070] inet6_addr_add+0x12f/0xa40 [ 2800.164252][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2800.164252][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.164252][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.164252][T16070] netlink_unicast+0x449/0x710 [ 2800.164252][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.164252][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.164252][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.164252][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.164252][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.164252][T16070] [ 2800.166631][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.166631][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2800.166631][T16070] ipv6_find_idev+0x102/0x170 [ 2800.166631][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.166631][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.166631][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.166631][T16070] netlink_unicast+0x449/0x710 [ 2800.166631][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.166631][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.166631][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.166631][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.166631][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.166631][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.166631][T16070] [ 2800.168467][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2800.168467][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2800.168467][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2800.168467][T16070] ipv6_find_idev+0x102/0x170 [ 2800.168467][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2800.168467][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2800.168467][T16070] netlink_rcv_skb+0x130/0x360 [ 2800.168467][T16070] netlink_unicast+0x449/0x710 [ 2800.168467][T16070] netlink_sendmsg+0x723/0xbe0 [ 2800.168467][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2800.168467][T16070] ___sys_sendmsg+0xee/0x170 [ 2800.168467][T16070] __sys_sendmsg+0xcd/0x170 [ 2800.168467][T16070] do_syscall_64+0xc6/0x1e0 [ 2800.168467][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2800.168467][T16070] [ 2809.504912][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2809.505366][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.505366][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.505366][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.505366][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.505366][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.505366][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.505366][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.505366][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.505366][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.505366][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.505366][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.505366][ T74] process_one_work+0x84d/0x18a0 [ 2809.505366][ T74] worker_thread+0x587/0xd30 [ 2809.505366][ T74] kthread+0x28a/0x350 [ 2809.505366][ T74] ret_from_fork+0x31/0x70 [ 2809.505366][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.505366][ T74] [ 2809.507514][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.507514][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.507514][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.507514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.507514][ T74] ip6_route_add+0x1c/0x140 [ 2809.507514][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.507514][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.507514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.507514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.507514][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.507514][ T74] netlink_unicast+0x449/0x710 [ 2809.507514][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.507514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.507514][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.507514][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.507514][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.507514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.507514][ T74] [ 2809.509807][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.509807][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.509807][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.509807][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.509807][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.509807][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.509807][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.509807][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.509807][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.509807][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.509807][ T74] netlink_unicast+0x449/0x710 [ 2809.509807][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.509807][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.509807][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.509807][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.509807][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.509807][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.509807][ T74] [ 2809.512021][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.512021][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.512021][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.512021][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.512021][ T74] ip6_route_add+0x1c/0x140 [ 2809.512021][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.512021][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.512021][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.512021][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.512021][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.512021][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.512021][ T74] netlink_unicast+0x449/0x710 [ 2809.512021][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.512021][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.512021][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.512021][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.512021][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.512021][ T74] [ 2809.514186][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.514186][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.514186][ T74] ipv6_find_idev+0x102/0x170 [ 2809.514186][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.514186][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.514186][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.514186][ T74] netlink_unicast+0x449/0x710 [ 2809.514186][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.514186][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.514186][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.514186][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.514186][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.514186][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.514186][ T74] [ 2809.515916][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2809.515916][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.515916][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.515916][ T74] ipv6_find_idev+0x102/0x170 [ 2809.515916][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.515916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.515916][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.515916][ T74] netlink_unicast+0x449/0x710 [ 2809.515916][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.515916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.515916][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.515916][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.515916][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.515916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.515916][ T74] [ 2809.517832][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2809.518095][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.518095][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.518095][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.518095][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.518095][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.518095][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.518095][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.518095][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.518095][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.518095][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.518095][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.518095][ T74] process_one_work+0x84d/0x18a0 [ 2809.518095][ T74] worker_thread+0x587/0xd30 [ 2809.518095][ T74] kthread+0x28a/0x350 [ 2809.518095][ T74] ret_from_fork+0x31/0x70 [ 2809.518095][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.518095][ T74] [ 2809.520260][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.520260][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.520260][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.520260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.520260][ T74] ip6_route_add+0x1c/0x140 [ 2809.520260][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.520260][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.520260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.520260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.520260][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.520260][ T74] netlink_unicast+0x449/0x710 [ 2809.520260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.520260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.520260][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.520260][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.520260][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.520260][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.520260][ T74] [ 2809.522461][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.522461][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.522461][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.522461][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.522461][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.522461][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.522461][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.522461][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.522461][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.522461][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.522461][ T74] netlink_unicast+0x449/0x710 [ 2809.522461][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.522461][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.522461][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.522461][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.522461][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.522461][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.522461][ T74] [ 2809.524671][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.524671][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.524671][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.524671][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.524671][ T74] ip6_route_add+0x1c/0x140 [ 2809.524671][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.524671][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.524671][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.524671][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.524671][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.524671][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.524671][ T74] netlink_unicast+0x449/0x710 [ 2809.524671][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.524671][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.524671][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.524671][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.524671][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.524671][ T74] [ 2809.526892][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.526892][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.526892][ T74] ipv6_find_idev+0x102/0x170 [ 2809.526892][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.526892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.526892][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.526892][ T74] netlink_unicast+0x449/0x710 [ 2809.526892][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.526892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.526892][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.526892][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.526892][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.526892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.526892][ T74] [ 2809.528608][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2809.528608][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.528608][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.528608][ T74] ipv6_find_idev+0x102/0x170 [ 2809.528608][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.528608][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.528608][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.528608][ T74] netlink_unicast+0x449/0x710 [ 2809.528608][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.528608][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.528608][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.528608][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.528608][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.528608][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.528608][ T74] [ 2809.530510][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2809.530772][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.530772][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.530772][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.530772][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.530772][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.530772][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.530772][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.530772][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.530772][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.530772][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.530772][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.530772][ T74] process_one_work+0x84d/0x18a0 [ 2809.530772][ T74] worker_thread+0x587/0xd30 [ 2809.530772][ T74] kthread+0x28a/0x350 [ 2809.530772][ T74] ret_from_fork+0x31/0x70 [ 2809.530772][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.530772][ T74] [ 2809.532887][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.532887][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.532887][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.532887][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.532887][ T74] ip6_route_add+0x1c/0x140 [ 2809.532887][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.532887][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.532887][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.532887][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.532887][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.532887][ T74] netlink_unicast+0x449/0x710 [ 2809.532887][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.532887][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.532887][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.532887][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.532887][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.532887][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.532887][ T74] [ 2809.535257][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.535257][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.535257][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.535257][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.535257][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.535257][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.535257][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.535257][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.535257][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.535257][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.535257][ T74] netlink_unicast+0x449/0x710 [ 2809.535257][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.535257][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.535257][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.535257][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.535257][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.535257][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.535257][ T74] [ 2809.537750][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.537750][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.537750][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.537750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.537750][ T74] ip6_route_add+0x1c/0x140 [ 2809.537750][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.537750][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.537750][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.537750][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.537750][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.537750][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.537750][ T74] netlink_unicast+0x449/0x710 [ 2809.537750][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.537750][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.537750][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.537750][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.537750][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.537750][ T74] [ 2809.540187][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.540187][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.540187][ T74] ipv6_find_idev+0x102/0x170 [ 2809.540187][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.540187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.540187][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.540187][ T74] netlink_unicast+0x449/0x710 [ 2809.540187][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.540187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.540187][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.540187][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.540187][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.540187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.540187][ T74] [ 2809.542100][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2809.542100][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.542100][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.542100][ T74] ipv6_find_idev+0x102/0x170 [ 2809.542100][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.542100][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.542100][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.542100][ T74] netlink_unicast+0x449/0x710 [ 2809.542100][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.542100][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.542100][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.542100][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.542100][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.542100][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.542100][ T74] [ 2809.544586][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2809.544841][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.544841][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.544841][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.544841][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.544841][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2809.544841][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2809.544841][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2809.544841][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2809.544841][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2809.544841][ T74] addrconf_dad_begin+0x310/0x670 [ 2809.544841][ T74] addrconf_dad_work+0x10b/0xab0 [ 2809.544841][ T74] process_one_work+0x84d/0x18a0 [ 2809.544841][ T74] worker_thread+0x587/0xd30 [ 2809.544841][ T74] kthread+0x28a/0x350 [ 2809.544841][ T74] ret_from_fork+0x31/0x70 [ 2809.544841][ T74] ret_from_fork_asm+0x1a/0x30 [ 2809.544841][ T74] [ 2809.547291][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.547291][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.547291][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.547291][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.547291][ T74] ip6_route_add+0x1c/0x140 [ 2809.547291][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2809.547291][ T74] inet6_addr_add+0x4f8/0xa40 [ 2809.547291][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.547291][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.547291][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.547291][ T74] netlink_unicast+0x449/0x710 [ 2809.547291][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.547291][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.547291][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.547291][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.547291][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.547291][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.547291][ T74] [ 2809.549739][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.549739][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.549739][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.549739][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.549739][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2809.549739][ T74] ipv6_add_addr+0x411/0x2000 [ 2809.549739][ T74] inet6_addr_add+0x30e/0xa40 [ 2809.549739][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.549739][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.549739][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.549739][ T74] netlink_unicast+0x449/0x710 [ 2809.549739][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.549739][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.549739][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.549739][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.549739][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.549739][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.549739][ T74] [ 2809.552205][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.552205][ T74] netdev_get_by_index+0x5e/0x80 [ 2809.552205][ T74] fib6_nh_init+0x3d8/0x1580 [ 2809.552205][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2809.552205][ T74] ip6_route_add+0x1c/0x140 [ 2809.552205][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2809.552205][ T74] addrconf_add_dev+0xe2/0x170 [ 2809.552205][ T74] inet6_addr_add+0x12f/0xa40 [ 2809.552205][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2809.552205][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.552205][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.552205][ T74] netlink_unicast+0x449/0x710 [ 2809.552205][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.552205][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.552205][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.552205][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.552205][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.552205][ T74] [ 2809.554611][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.554611][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2809.554611][ T74] ipv6_find_idev+0x102/0x170 [ 2809.554611][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.554611][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.554611][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.554611][ T74] netlink_unicast+0x449/0x710 [ 2809.554611][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.554611][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.554611][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.554611][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.554611][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.554611][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.554611][ T74] [ 2809.556491][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2809.556491][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2809.556491][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2809.556491][ T74] ipv6_find_idev+0x102/0x170 [ 2809.556491][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2809.556491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2809.556491][ T74] netlink_rcv_skb+0x130/0x360 [ 2809.556491][ T74] netlink_unicast+0x449/0x710 [ 2809.556491][ T74] netlink_sendmsg+0x723/0xbe0 [ 2809.556491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2809.556491][ T74] ___sys_sendmsg+0xee/0x170 [ 2809.556491][ T74] __sys_sendmsg+0xcd/0x170 [ 2809.556491][ T74] do_syscall_64+0xc6/0x1e0 [ 2809.556491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2809.556491][ T74] [ 2810.272935][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2810.273445][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2810.273445][T16070] dst_init+0x84/0x4a0 [ 2810.273445][T16070] dst_alloc+0x97/0x150 [ 2810.273445][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.273445][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.273445][T16070] ip6_pol_route+0x56f/0x840 [ 2810.273445][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2810.273445][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2810.273445][T16070] fib6_rule_lookup+0x182/0x630 [ 2810.273445][T16070] ip6_route_output_flags+0x259/0x480 [ 2810.273445][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2810.273445][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2810.273445][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2810.273445][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2810.273445][T16070] ip6_datagram_connect+0x2c/0x50 [ 2810.273445][T16070] __sys_connect+0x217/0x2a0 [ 2810.273445][T16070] __x64_sys_connect+0x72/0xb0 [ 2810.273445][T16070] [ 2810.275766][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2810.275766][T16070] dst_init+0x84/0x4a0 [ 2810.275766][T16070] dst_alloc+0x97/0x150 [ 2810.275766][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.275766][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.275766][T16070] ip6_pol_route+0x56f/0x840 [ 2810.275766][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2810.275766][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2810.275766][T16070] fib6_rule_lookup+0x182/0x630 [ 2810.275766][T16070] ip6_route_output_flags+0x259/0x480 [ 2810.275766][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2810.275766][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2810.275766][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2810.275766][T16070] __inet_stream_connect+0x272/0x9f0 [ 2810.275766][T16070] inet_stream_connect+0x57/0xa0 [ 2810.275766][T16070] __sys_connect+0x217/0x2a0 [ 2810.275766][T16070] __x64_sys_connect+0x72/0xb0 [ 2810.275766][T16070] [ 2810.278015][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.278015][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2810.278015][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2810.278015][T16070] fib6_nh_init+0xa22/0x1580 [ 2810.278015][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.278015][T16070] ip6_route_add+0x1c/0x140 [ 2810.278015][T16070] inet6_rtm_newroute+0x104/0x110 [ 2810.278015][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.278015][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.278015][T16070] netlink_unicast+0x449/0x710 [ 2810.278015][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.278015][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.278015][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.278015][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.278015][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.278015][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.278015][T16070] [ 2810.280128][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.280128][T16070] dst_init+0x84/0x4a0 [ 2810.280128][T16070] dst_alloc+0x97/0x150 [ 2810.280128][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.280128][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.280128][T16070] ip6_pol_route+0x56f/0x840 [ 2810.280128][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2810.280128][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2810.280128][T16070] fib6_rule_lookup+0x182/0x630 [ 2810.280128][T16070] ip6_route_input+0x59c/0xa50 [ 2810.280128][T16070] ipv6_rcv+0x397/0x810 [ 2810.280128][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2810.280128][T16070] process_backlog+0x101/0x620 [ 2810.280128][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2810.280128][T16070] net_rx_action+0x495/0xbe0 [ 2810.280128][T16070] __do_softirq+0x1b5/0x7f6 [ 2810.280128][T16070] [ 2810.282208][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.282208][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.282208][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.282208][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.282208][T16070] ip6_route_add+0x1c/0x140 [ 2810.282208][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2810.282208][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2810.282208][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2810.282208][T16070] addrconf_dad_begin+0x310/0x670 [ 2810.282208][T16070] addrconf_dad_work+0x10b/0xab0 [ 2810.282208][T16070] process_one_work+0x84d/0x18a0 [ 2810.282208][T16070] worker_thread+0x587/0xd30 [ 2810.282208][T16070] kthread+0x28a/0x350 [ 2810.282208][T16070] ret_from_fork+0x31/0x70 [ 2810.282208][T16070] ret_from_fork_asm+0x1a/0x30 [ 2810.282208][T16070] [ 2810.284222][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.284222][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.284222][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.284222][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.284222][T16070] ip6_route_add+0x1c/0x140 [ 2810.284222][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2810.284222][T16070] inet6_addr_add+0x4f8/0xa40 [ 2810.284222][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.284222][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.284222][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.284222][T16070] netlink_unicast+0x449/0x710 [ 2810.284222][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.284222][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.284222][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.284222][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.284222][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.284222][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.284222][T16070] [ 2810.286484][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.286484][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.286484][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.286484][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.286484][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2810.286484][T16070] ipv6_add_addr+0x411/0x2000 [ 2810.286484][T16070] inet6_addr_add+0x30e/0xa40 [ 2810.286484][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.286484][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.286484][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.286484][T16070] netlink_unicast+0x449/0x710 [ 2810.286484][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.286484][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.286484][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.286484][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.286484][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.286484][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.286484][T16070] [ 2810.288851][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.288851][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.288851][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.288851][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.288851][T16070] ip6_route_add+0x1c/0x140 [ 2810.288851][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.288851][T16070] addrconf_add_dev+0xe2/0x170 [ 2810.288851][T16070] inet6_addr_add+0x12f/0xa40 [ 2810.288851][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.288851][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.288851][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.288851][T16070] netlink_unicast+0x449/0x710 [ 2810.288851][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.288851][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.288851][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.288851][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.288851][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.288851][T16070] [ 2810.291066][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.291066][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2810.291066][T16070] ipv6_find_idev+0x102/0x170 [ 2810.291066][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.291066][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.291066][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.291066][T16070] netlink_unicast+0x449/0x710 [ 2810.291066][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.291066][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.291066][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.291066][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.291066][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.291066][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.291066][T16070] [ 2810.292790][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2810.292790][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2810.292790][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2810.292790][T16070] ipv6_find_idev+0x102/0x170 [ 2810.292790][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.292790][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.292790][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.292790][T16070] netlink_unicast+0x449/0x710 [ 2810.292790][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.292790][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.292790][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.292790][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.292790][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.292790][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.292790][T16070] [ 2810.294693][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2810.295013][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2810.295013][T16070] dst_init+0x84/0x4a0 [ 2810.295013][T16070] dst_alloc+0x97/0x150 [ 2810.295013][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.295013][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.295013][T16070] ip6_pol_route+0x56f/0x840 [ 2810.295013][T16070] fib6_rule_lookup+0x334/0x630 [ 2810.295013][T16070] ip6_route_output_flags+0x259/0x480 [ 2810.295013][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2810.295013][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2810.295013][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2810.295013][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2810.295013][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2810.295013][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.295013][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.295013][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.295013][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.295013][T16070] [ 2810.297273][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.297273][T16070] dst_init+0x84/0x4a0 [ 2810.297273][T16070] dst_alloc+0x97/0x150 [ 2810.297273][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.297273][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.297273][T16070] ip6_pol_route+0x56f/0x840 [ 2810.297273][T16070] fib6_rule_lookup+0x334/0x630 [ 2810.297273][T16070] ip6_route_output_flags+0x259/0x480 [ 2810.297273][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2810.297273][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2810.297273][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2810.297273][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2810.297273][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2810.297273][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2810.297273][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2810.297273][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2810.297273][T16070] ip6_input_finish+0x120/0x260 [ 2810.297273][T16070] [ 2810.299567][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.299567][T16070] dst_init+0x84/0x4a0 [ 2810.299567][T16070] dst_alloc+0x97/0x150 [ 2810.299567][T16070] ip6_dst_alloc+0x23/0x90 [ 2810.299567][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2810.299567][T16070] ip6_pol_route+0x56f/0x840 [ 2810.299567][T16070] fib6_rule_lookup+0x456/0x630 [ 2810.299567][T16070] ip6_route_input+0x59c/0xa50 [ 2810.299567][T16070] ipv6_rcv+0x397/0x810 [ 2810.299567][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2810.299567][T16070] process_backlog+0x101/0x620 [ 2810.299567][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2810.299567][T16070] net_rx_action+0x495/0xbe0 [ 2810.299567][T16070] __do_softirq+0x1b5/0x7f6 [ 2810.299567][T16070] [ 2810.301396][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.301396][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.301396][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.301396][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.301396][T16070] ip6_route_add+0x1c/0x140 [ 2810.301396][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2810.301396][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2810.301396][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2810.301396][T16070] addrconf_dad_begin+0x310/0x670 [ 2810.301396][T16070] addrconf_dad_work+0x10b/0xab0 [ 2810.301396][T16070] process_one_work+0x84d/0x18a0 [ 2810.301396][T16070] worker_thread+0x587/0xd30 [ 2810.301396][T16070] kthread+0x28a/0x350 [ 2810.301396][T16070] ret_from_fork+0x31/0x70 [ 2810.301396][T16070] ret_from_fork_asm+0x1a/0x30 [ 2810.301396][T16070] [ 2810.303633][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.303633][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.303633][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.303633][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.303633][T16070] ip6_route_add+0x1c/0x140 [ 2810.303633][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2810.303633][T16070] inet6_addr_add+0x4f8/0xa40 [ 2810.303633][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.303633][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.303633][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.303633][T16070] netlink_unicast+0x449/0x710 [ 2810.303633][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.303633][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.303633][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.303633][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.303633][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.303633][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.303633][T16070] [ 2810.306643][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.306643][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.306643][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.306643][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.306643][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2810.306643][T16070] ipv6_add_addr+0x411/0x2000 [ 2810.306643][T16070] inet6_addr_add+0x30e/0xa40 [ 2810.306643][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.306643][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.306643][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.306643][T16070] netlink_unicast+0x449/0x710 [ 2810.306643][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.306643][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.306643][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.306643][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.306643][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.306643][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.306643][T16070] [ 2810.309209][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.309209][T16070] netdev_get_by_index+0x5e/0x80 [ 2810.309209][T16070] fib6_nh_init+0x3d8/0x1580 [ 2810.309209][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2810.309209][T16070] ip6_route_add+0x1c/0x140 [ 2810.309209][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2810.309209][T16070] addrconf_add_dev+0xe2/0x170 [ 2810.309209][T16070] inet6_addr_add+0x12f/0xa40 [ 2810.309209][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2810.309209][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.309209][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.309209][T16070] netlink_unicast+0x449/0x710 [ 2810.309209][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.309209][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.309209][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.309209][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.309209][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.309209][T16070] [ 2810.311642][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.311642][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2810.311642][T16070] ipv6_find_idev+0x102/0x170 [ 2810.311642][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.311642][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.311642][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.311642][T16070] netlink_unicast+0x449/0x710 [ 2810.311642][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.311642][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.311642][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.311642][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.311642][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.311642][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.311642][T16070] [ 2810.313679][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2810.313679][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2810.313679][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2810.313679][T16070] ipv6_find_idev+0x102/0x170 [ 2810.313679][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2810.313679][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2810.313679][T16070] netlink_rcv_skb+0x130/0x360 [ 2810.313679][T16070] netlink_unicast+0x449/0x710 [ 2810.313679][T16070] netlink_sendmsg+0x723/0xbe0 [ 2810.313679][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2810.313679][T16070] ___sys_sendmsg+0xee/0x170 [ 2810.313679][T16070] __sys_sendmsg+0xcd/0x170 [ 2810.313679][T16070] do_syscall_64+0xc6/0x1e0 [ 2810.313679][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2810.313679][T16070] [ 2819.800952][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2819.801794][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.801794][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.801794][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.801794][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.801794][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.801794][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.801794][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.801794][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.801794][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.801794][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.801794][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.801794][ T74] process_one_work+0x84d/0x18a0 [ 2819.801794][ T74] worker_thread+0x587/0xd30 [ 2819.801794][ T74] kthread+0x28a/0x350 [ 2819.801794][ T74] ret_from_fork+0x31/0x70 [ 2819.801794][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.801794][ T74] [ 2819.803969][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.803969][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.803969][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.803969][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.803969][ T74] ip6_route_add+0x1c/0x140 [ 2819.803969][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.803969][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.803969][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.803969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.803969][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.803969][ T74] netlink_unicast+0x449/0x710 [ 2819.803969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.803969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.803969][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.803969][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.803969][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.803969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.803969][ T74] [ 2819.806187][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.806187][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.806187][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.806187][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.806187][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.806187][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.806187][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.806187][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.806187][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.806187][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.806187][ T74] netlink_unicast+0x449/0x710 [ 2819.806187][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.806187][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.806187][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.806187][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.806187][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.806187][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.806187][ T74] [ 2819.808431][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.808431][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.808431][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.808431][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.808431][ T74] ip6_route_add+0x1c/0x140 [ 2819.808431][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.808431][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.808431][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.808431][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.808431][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.808431][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.808431][ T74] netlink_unicast+0x449/0x710 [ 2819.808431][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.808431][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.808431][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.808431][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.808431][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.808431][ T74] [ 2819.810659][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.810659][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.810659][ T74] ipv6_find_idev+0x102/0x170 [ 2819.810659][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.810659][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.810659][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.810659][ T74] netlink_unicast+0x449/0x710 [ 2819.810659][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.810659][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.810659][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.810659][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.810659][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.810659][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.810659][ T74] [ 2819.812400][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2819.812400][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.812400][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.812400][ T74] ipv6_find_idev+0x102/0x170 [ 2819.812400][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.812400][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.812400][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.812400][ T74] netlink_unicast+0x449/0x710 [ 2819.812400][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.812400][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.812400][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.812400][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.812400][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.812400][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.812400][ T74] [ 2819.814304][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2819.814564][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.814564][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.814564][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.814564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.814564][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.814564][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.814564][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.814564][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.814564][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.814564][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.814564][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.814564][ T74] process_one_work+0x84d/0x18a0 [ 2819.814564][ T74] worker_thread+0x587/0xd30 [ 2819.814564][ T74] kthread+0x28a/0x350 [ 2819.814564][ T74] ret_from_fork+0x31/0x70 [ 2819.814564][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.814564][ T74] [ 2819.816707][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.816707][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.816707][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.816707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.816707][ T74] ip6_route_add+0x1c/0x140 [ 2819.816707][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.816707][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.816707][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.816707][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.816707][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.816707][ T74] netlink_unicast+0x449/0x710 [ 2819.816707][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.816707][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.816707][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.816707][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.816707][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.816707][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.816707][ T74] [ 2819.818960][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.818960][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.818960][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.818960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.818960][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.818960][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.818960][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.818960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.818960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.818960][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.818960][ T74] netlink_unicast+0x449/0x710 [ 2819.818960][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.818960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.818960][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.818960][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.818960][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.818960][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.818960][ T74] [ 2819.821192][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.821192][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.821192][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.821192][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.821192][ T74] ip6_route_add+0x1c/0x140 [ 2819.821192][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.821192][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.821192][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.821192][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.821192][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.821192][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.821192][ T74] netlink_unicast+0x449/0x710 [ 2819.821192][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.821192][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.821192][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.821192][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.821192][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.821192][ T74] [ 2819.823403][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.823403][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.823403][ T74] ipv6_find_idev+0x102/0x170 [ 2819.823403][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.823403][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.823403][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.823403][ T74] netlink_unicast+0x449/0x710 [ 2819.823403][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.823403][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.823403][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.823403][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.823403][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.823403][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.823403][ T74] [ 2819.825121][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2819.825121][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.825121][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.825121][ T74] ipv6_find_idev+0x102/0x170 [ 2819.825121][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.825121][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.825121][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.825121][ T74] netlink_unicast+0x449/0x710 [ 2819.825121][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.825121][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.825121][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.825121][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.825121][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.825121][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.825121][ T74] [ 2819.826998][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2819.827264][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.827264][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.827264][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.827264][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.827264][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.827264][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.827264][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.827264][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.827264][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.827264][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.827264][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.827264][ T74] process_one_work+0x84d/0x18a0 [ 2819.827264][ T74] worker_thread+0x587/0xd30 [ 2819.827264][ T74] kthread+0x28a/0x350 [ 2819.827264][ T74] ret_from_fork+0x31/0x70 [ 2819.827264][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.827264][ T74] [ 2819.829422][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.829422][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.829422][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.829422][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.829422][ T74] ip6_route_add+0x1c/0x140 [ 2819.829422][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.829422][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.829422][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.829422][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.829422][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.829422][ T74] netlink_unicast+0x449/0x710 [ 2819.829422][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.829422][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.829422][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.829422][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.829422][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.829422][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.829422][ T74] [ 2819.831848][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.831848][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.831848][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.831848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.831848][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.831848][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.831848][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.831848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.831848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.831848][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.831848][ T74] netlink_unicast+0x449/0x710 [ 2819.831848][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.831848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.831848][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.831848][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.831848][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.831848][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.831848][ T74] [ 2819.834383][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.834383][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.834383][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.834383][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.834383][ T74] ip6_route_add+0x1c/0x140 [ 2819.834383][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.834383][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.834383][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.834383][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.834383][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.834383][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.834383][ T74] netlink_unicast+0x449/0x710 [ 2819.834383][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.834383][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.834383][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.834383][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.834383][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.834383][ T74] [ 2819.836830][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.836830][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.836830][ T74] ipv6_find_idev+0x102/0x170 [ 2819.836830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.836830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.836830][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.836830][ T74] netlink_unicast+0x449/0x710 [ 2819.836830][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.836830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.836830][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.836830][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.836830][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.836830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.836830][ T74] [ 2819.838691][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2819.838691][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.838691][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.838691][ T74] ipv6_find_idev+0x102/0x170 [ 2819.838691][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.838691][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.838691][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.838691][ T74] netlink_unicast+0x449/0x710 [ 2819.838691][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.838691][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.838691][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.838691][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.838691][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.838691][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.838691][ T74] [ 2819.840752][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2819.841524][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.841524][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.841524][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.841524][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.841524][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2819.841524][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2819.841524][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2819.841524][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2819.841524][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2819.841524][ T74] addrconf_dad_begin+0x310/0x670 [ 2819.841524][ T74] addrconf_dad_work+0x10b/0xab0 [ 2819.841524][ T74] process_one_work+0x84d/0x18a0 [ 2819.841524][ T74] worker_thread+0x587/0xd30 [ 2819.841524][ T74] kthread+0x28a/0x350 [ 2819.841524][ T74] ret_from_fork+0x31/0x70 [ 2819.841524][ T74] ret_from_fork_asm+0x1a/0x30 [ 2819.841524][ T74] [ 2819.843660][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.843660][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.843660][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.843660][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.843660][ T74] ip6_route_add+0x1c/0x140 [ 2819.843660][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2819.843660][ T74] inet6_addr_add+0x4f8/0xa40 [ 2819.843660][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.843660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.843660][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.843660][ T74] netlink_unicast+0x449/0x710 [ 2819.843660][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.843660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.843660][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.843660][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.843660][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.843660][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.843660][ T74] [ 2819.845952][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.845952][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.845952][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.845952][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.845952][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2819.845952][ T74] ipv6_add_addr+0x411/0x2000 [ 2819.845952][ T74] inet6_addr_add+0x30e/0xa40 [ 2819.845952][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.845952][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.845952][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.845952][ T74] netlink_unicast+0x449/0x710 [ 2819.845952][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.845952][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.845952][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.845952][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.845952][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.845952][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.845952][ T74] [ 2819.848483][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.848483][ T74] netdev_get_by_index+0x5e/0x80 [ 2819.848483][ T74] fib6_nh_init+0x3d8/0x1580 [ 2819.848483][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2819.848483][ T74] ip6_route_add+0x1c/0x140 [ 2819.848483][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2819.848483][ T74] addrconf_add_dev+0xe2/0x170 [ 2819.848483][ T74] inet6_addr_add+0x12f/0xa40 [ 2819.848483][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2819.848483][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.848483][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.848483][ T74] netlink_unicast+0x449/0x710 [ 2819.848483][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.848483][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.848483][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.848483][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.848483][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.848483][ T74] [ 2819.851062][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.851062][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2819.851062][ T74] ipv6_find_idev+0x102/0x170 [ 2819.851062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.851062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.851062][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.851062][ T74] netlink_unicast+0x449/0x710 [ 2819.851062][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.851062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.851062][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.851062][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.851062][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.851062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.851062][ T74] [ 2819.853062][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2819.853062][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2819.853062][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2819.853062][ T74] ipv6_find_idev+0x102/0x170 [ 2819.853062][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2819.853062][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2819.853062][ T74] netlink_rcv_skb+0x130/0x360 [ 2819.853062][ T74] netlink_unicast+0x449/0x710 [ 2819.853062][ T74] netlink_sendmsg+0x723/0xbe0 [ 2819.853062][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2819.853062][ T74] ___sys_sendmsg+0xee/0x170 [ 2819.853062][ T74] __sys_sendmsg+0xcd/0x170 [ 2819.853062][ T74] do_syscall_64+0xc6/0x1e0 [ 2819.853062][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2819.853062][ T74] [ 2820.552929][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2820.553419][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2820.553419][T16070] dst_init+0x84/0x4a0 [ 2820.553419][T16070] dst_alloc+0x97/0x150 [ 2820.553419][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.553419][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.553419][T16070] ip6_pol_route+0x56f/0x840 [ 2820.553419][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2820.553419][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2820.553419][T16070] fib6_rule_lookup+0x182/0x630 [ 2820.553419][T16070] ip6_route_output_flags+0x259/0x480 [ 2820.553419][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2820.553419][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2820.553419][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2820.553419][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2820.553419][T16070] ip6_datagram_connect+0x2c/0x50 [ 2820.553419][T16070] __sys_connect+0x217/0x2a0 [ 2820.553419][T16070] __x64_sys_connect+0x72/0xb0 [ 2820.553419][T16070] [ 2820.555957][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2820.555957][T16070] dst_init+0x84/0x4a0 [ 2820.555957][T16070] dst_alloc+0x97/0x150 [ 2820.555957][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.555957][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.555957][T16070] ip6_pol_route+0x56f/0x840 [ 2820.555957][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2820.555957][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2820.555957][T16070] fib6_rule_lookup+0x182/0x630 [ 2820.555957][T16070] ip6_route_output_flags+0x259/0x480 [ 2820.555957][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2820.555957][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2820.555957][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2820.555957][T16070] __inet_stream_connect+0x272/0x9f0 [ 2820.555957][T16070] inet_stream_connect+0x57/0xa0 [ 2820.555957][T16070] __sys_connect+0x217/0x2a0 [ 2820.555957][T16070] __x64_sys_connect+0x72/0xb0 [ 2820.555957][T16070] [ 2820.558448][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.558448][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2820.558448][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2820.558448][T16070] fib6_nh_init+0xa22/0x1580 [ 2820.558448][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.558448][T16070] ip6_route_add+0x1c/0x140 [ 2820.558448][T16070] inet6_rtm_newroute+0x104/0x110 [ 2820.558448][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.558448][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.558448][T16070] netlink_unicast+0x449/0x710 [ 2820.558448][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.558448][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.558448][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.558448][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.558448][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.558448][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.558448][T16070] [ 2820.560786][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.560786][T16070] dst_init+0x84/0x4a0 [ 2820.560786][T16070] dst_alloc+0x97/0x150 [ 2820.560786][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.560786][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.560786][T16070] ip6_pol_route+0x56f/0x840 [ 2820.560786][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2820.560786][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2820.560786][T16070] fib6_rule_lookup+0x182/0x630 [ 2820.560786][T16070] ip6_route_input+0x59c/0xa50 [ 2820.560786][T16070] ipv6_rcv+0x397/0x810 [ 2820.560786][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2820.560786][T16070] process_backlog+0x101/0x620 [ 2820.560786][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2820.560786][T16070] net_rx_action+0x495/0xbe0 [ 2820.560786][T16070] __do_softirq+0x1b5/0x7f6 [ 2820.560786][T16070] [ 2820.563084][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.563084][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.563084][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.563084][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.563084][T16070] ip6_route_add+0x1c/0x140 [ 2820.563084][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2820.563084][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2820.563084][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2820.563084][T16070] addrconf_dad_begin+0x310/0x670 [ 2820.563084][T16070] addrconf_dad_work+0x10b/0xab0 [ 2820.563084][T16070] process_one_work+0x84d/0x18a0 [ 2820.563084][T16070] worker_thread+0x587/0xd30 [ 2820.563084][T16070] kthread+0x28a/0x350 [ 2820.563084][T16070] ret_from_fork+0x31/0x70 [ 2820.563084][T16070] ret_from_fork_asm+0x1a/0x30 [ 2820.563084][T16070] [ 2820.565387][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.565387][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.565387][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.565387][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.565387][T16070] ip6_route_add+0x1c/0x140 [ 2820.565387][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2820.565387][T16070] inet6_addr_add+0x4f8/0xa40 [ 2820.565387][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.565387][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.565387][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.565387][T16070] netlink_unicast+0x449/0x710 [ 2820.565387][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.565387][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.565387][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.565387][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.565387][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.565387][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.565387][T16070] [ 2820.567878][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.567878][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.567878][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.567878][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.567878][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2820.567878][T16070] ipv6_add_addr+0x411/0x2000 [ 2820.567878][T16070] inet6_addr_add+0x30e/0xa40 [ 2820.567878][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.567878][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.567878][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.567878][T16070] netlink_unicast+0x449/0x710 [ 2820.567878][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.567878][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.567878][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.567878][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.567878][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.567878][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.567878][T16070] [ 2820.570350][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.570350][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.570350][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.570350][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.570350][T16070] ip6_route_add+0x1c/0x140 [ 2820.570350][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.570350][T16070] addrconf_add_dev+0xe2/0x170 [ 2820.570350][T16070] inet6_addr_add+0x12f/0xa40 [ 2820.570350][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.570350][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.570350][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.570350][T16070] netlink_unicast+0x449/0x710 [ 2820.570350][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.570350][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.570350][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.570350][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.570350][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.570350][T16070] [ 2820.572823][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.572823][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2820.572823][T16070] ipv6_find_idev+0x102/0x170 [ 2820.572823][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.572823][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.572823][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.572823][T16070] netlink_unicast+0x449/0x710 [ 2820.572823][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.572823][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.572823][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.572823][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.572823][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.572823][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.572823][T16070] [ 2820.574743][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2820.574743][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2820.574743][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2820.574743][T16070] ipv6_find_idev+0x102/0x170 [ 2820.574743][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.574743][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.574743][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.574743][T16070] netlink_unicast+0x449/0x710 [ 2820.574743][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.574743][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.574743][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.574743][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.574743][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.574743][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.574743][T16070] [ 2820.576824][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2820.577168][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2820.577168][T16070] dst_init+0x84/0x4a0 [ 2820.577168][T16070] dst_alloc+0x97/0x150 [ 2820.577168][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.577168][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.577168][T16070] ip6_pol_route+0x56f/0x840 [ 2820.577168][T16070] fib6_rule_lookup+0x334/0x630 [ 2820.577168][T16070] ip6_route_output_flags+0x259/0x480 [ 2820.577168][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2820.577168][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2820.577168][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2820.577168][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2820.577168][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2820.577168][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.577168][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.577168][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.577168][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.577168][T16070] [ 2820.579658][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.579658][T16070] dst_init+0x84/0x4a0 [ 2820.579658][T16070] dst_alloc+0x97/0x150 [ 2820.579658][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.579658][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.579658][T16070] ip6_pol_route+0x56f/0x840 [ 2820.579658][T16070] fib6_rule_lookup+0x334/0x630 [ 2820.579658][T16070] ip6_route_output_flags+0x259/0x480 [ 2820.579658][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2820.579658][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2820.579658][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2820.579658][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2820.579658][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2820.579658][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2820.579658][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2820.579658][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2820.579658][T16070] ip6_input_finish+0x120/0x260 [ 2820.579658][T16070] [ 2820.582192][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.582192][T16070] dst_init+0x84/0x4a0 [ 2820.582192][T16070] dst_alloc+0x97/0x150 [ 2820.582192][T16070] ip6_dst_alloc+0x23/0x90 [ 2820.582192][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2820.582192][T16070] ip6_pol_route+0x56f/0x840 [ 2820.582192][T16070] fib6_rule_lookup+0x456/0x630 [ 2820.582192][T16070] ip6_route_input+0x59c/0xa50 [ 2820.582192][T16070] ipv6_rcv+0x397/0x810 [ 2820.582192][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2820.582192][T16070] process_backlog+0x101/0x620 [ 2820.582192][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2820.582192][T16070] net_rx_action+0x495/0xbe0 [ 2820.582192][T16070] __do_softirq+0x1b5/0x7f6 [ 2820.582192][T16070] [ 2820.584222][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.584222][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.584222][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.584222][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.584222][T16070] ip6_route_add+0x1c/0x140 [ 2820.584222][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2820.584222][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2820.584222][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2820.584222][T16070] addrconf_dad_begin+0x310/0x670 [ 2820.584222][T16070] addrconf_dad_work+0x10b/0xab0 [ 2820.584222][T16070] process_one_work+0x84d/0x18a0 [ 2820.584222][T16070] worker_thread+0x587/0xd30 [ 2820.584222][T16070] kthread+0x28a/0x350 [ 2820.584222][T16070] ret_from_fork+0x31/0x70 [ 2820.584222][T16070] ret_from_fork_asm+0x1a/0x30 [ 2820.584222][T16070] [ 2820.586599][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.586599][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.586599][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.586599][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.586599][T16070] ip6_route_add+0x1c/0x140 [ 2820.586599][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2820.586599][T16070] inet6_addr_add+0x4f8/0xa40 [ 2820.586599][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.586599][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.586599][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.586599][T16070] netlink_unicast+0x449/0x710 [ 2820.586599][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.586599][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.586599][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.586599][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.586599][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.586599][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.586599][T16070] [ 2820.589471][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.589471][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.589471][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.589471][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.589471][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2820.589471][T16070] ipv6_add_addr+0x411/0x2000 [ 2820.589471][T16070] inet6_addr_add+0x30e/0xa40 [ 2820.589471][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.589471][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.589471][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.589471][T16070] netlink_unicast+0x449/0x710 [ 2820.589471][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.589471][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.589471][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.589471][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.589471][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.589471][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.589471][T16070] [ 2820.592257][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.592257][T16070] netdev_get_by_index+0x5e/0x80 [ 2820.592257][T16070] fib6_nh_init+0x3d8/0x1580 [ 2820.592257][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2820.592257][T16070] ip6_route_add+0x1c/0x140 [ 2820.592257][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2820.592257][T16070] addrconf_add_dev+0xe2/0x170 [ 2820.592257][T16070] inet6_addr_add+0x12f/0xa40 [ 2820.592257][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2820.592257][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.592257][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.592257][T16070] netlink_unicast+0x449/0x710 [ 2820.592257][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.592257][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.592257][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.592257][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.592257][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.592257][T16070] [ 2820.594946][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.594946][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2820.594946][T16070] ipv6_find_idev+0x102/0x170 [ 2820.594946][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.594946][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.594946][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.594946][T16070] netlink_unicast+0x449/0x710 [ 2820.594946][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.594946][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.594946][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.594946][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.594946][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.594946][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.594946][T16070] [ 2820.597006][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2820.597006][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2820.597006][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2820.597006][T16070] ipv6_find_idev+0x102/0x170 [ 2820.597006][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2820.597006][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2820.597006][T16070] netlink_rcv_skb+0x130/0x360 [ 2820.597006][T16070] netlink_unicast+0x449/0x710 [ 2820.597006][T16070] netlink_sendmsg+0x723/0xbe0 [ 2820.597006][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2820.597006][T16070] ___sys_sendmsg+0xee/0x170 [ 2820.597006][T16070] __sys_sendmsg+0xcd/0x170 [ 2820.597006][T16070] do_syscall_64+0xc6/0x1e0 [ 2820.597006][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2820.597006][T16070] [ 2829.896923][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2829.897329][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.897329][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.897329][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.897329][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.897329][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.897329][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.897329][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.897329][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.897329][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.897329][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.897329][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.897329][ T74] process_one_work+0x84d/0x18a0 [ 2829.897329][ T74] worker_thread+0x587/0xd30 [ 2829.897329][ T74] kthread+0x28a/0x350 [ 2829.897329][ T74] ret_from_fork+0x31/0x70 [ 2829.897329][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.897329][ T74] [ 2829.899513][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.899513][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.899513][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.899513][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.899513][ T74] ip6_route_add+0x1c/0x140 [ 2829.899513][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.899513][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.899513][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.899513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.899513][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.899513][ T74] netlink_unicast+0x449/0x710 [ 2829.899513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.899513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.899513][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.899513][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.899513][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.899513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.899513][ T74] [ 2829.901746][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.901746][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.901746][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.901746][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.901746][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.901746][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.901746][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.901746][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.901746][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.901746][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.901746][ T74] netlink_unicast+0x449/0x710 [ 2829.901746][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.901746][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.901746][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.901746][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.901746][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.901746][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.901746][ T74] [ 2829.903977][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.903977][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.903977][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.903977][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.903977][ T74] ip6_route_add+0x1c/0x140 [ 2829.903977][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.903977][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.903977][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.903977][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.903977][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.903977][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.903977][ T74] netlink_unicast+0x449/0x710 [ 2829.903977][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.903977][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.903977][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.903977][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.903977][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.903977][ T74] [ 2829.906174][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.906174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.906174][ T74] ipv6_find_idev+0x102/0x170 [ 2829.906174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.906174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.906174][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.906174][ T74] netlink_unicast+0x449/0x710 [ 2829.906174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.906174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.906174][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.906174][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.906174][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.906174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.906174][ T74] [ 2829.907883][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2829.907883][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.907883][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.907883][ T74] ipv6_find_idev+0x102/0x170 [ 2829.907883][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.907883][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.907883][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.907883][ T74] netlink_unicast+0x449/0x710 [ 2829.907883][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.907883][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.907883][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.907883][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.907883][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.907883][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.907883][ T74] [ 2829.909791][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2829.910059][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.910059][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.910059][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.910059][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.910059][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.910059][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.910059][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.910059][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.910059][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.910059][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.910059][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.910059][ T74] process_one_work+0x84d/0x18a0 [ 2829.910059][ T74] worker_thread+0x587/0xd30 [ 2829.910059][ T74] kthread+0x28a/0x350 [ 2829.910059][ T74] ret_from_fork+0x31/0x70 [ 2829.910059][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.910059][ T74] [ 2829.912176][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.912176][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.912176][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.912176][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.912176][ T74] ip6_route_add+0x1c/0x140 [ 2829.912176][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.912176][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.912176][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.912176][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.912176][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.912176][ T74] netlink_unicast+0x449/0x710 [ 2829.912176][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.912176][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.912176][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.912176][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.912176][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.912176][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.912176][ T74] [ 2829.914396][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.914396][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.914396][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.914396][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.914396][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.914396][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.914396][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.914396][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.914396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.914396][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.914396][ T74] netlink_unicast+0x449/0x710 [ 2829.914396][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.914396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.914396][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.914396][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.914396][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.914396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.914396][ T74] [ 2829.916627][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.916627][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.916627][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.916627][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.916627][ T74] ip6_route_add+0x1c/0x140 [ 2829.916627][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.916627][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.916627][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.916627][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.916627][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.916627][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.916627][ T74] netlink_unicast+0x449/0x710 [ 2829.916627][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.916627][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.916627][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.916627][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.916627][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.916627][ T74] [ 2829.918830][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.918830][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.918830][ T74] ipv6_find_idev+0x102/0x170 [ 2829.918830][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.918830][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.918830][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.918830][ T74] netlink_unicast+0x449/0x710 [ 2829.918830][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.918830][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.918830][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.918830][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.918830][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.918830][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.918830][ T74] [ 2829.920545][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2829.920545][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.920545][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.920545][ T74] ipv6_find_idev+0x102/0x170 [ 2829.920545][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.920545][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.920545][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.920545][ T74] netlink_unicast+0x449/0x710 [ 2829.920545][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.920545][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.920545][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.920545][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.920545][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.920545][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.920545][ T74] [ 2829.922369][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2829.922622][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.922622][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.922622][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.922622][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.922622][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.922622][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.922622][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.922622][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.922622][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.922622][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.922622][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.922622][ T74] process_one_work+0x84d/0x18a0 [ 2829.922622][ T74] worker_thread+0x587/0xd30 [ 2829.922622][ T74] kthread+0x28a/0x350 [ 2829.922622][ T74] ret_from_fork+0x31/0x70 [ 2829.922622][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.922622][ T74] [ 2829.925278][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.925278][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.925278][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.925278][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.925278][ T74] ip6_route_add+0x1c/0x140 [ 2829.925278][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.925278][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.925278][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.925278][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.925278][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.925278][ T74] netlink_unicast+0x449/0x710 [ 2829.925278][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.925278][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.925278][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.925278][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.925278][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.925278][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.925278][ T74] [ 2829.927709][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.927709][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.927709][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.927709][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.927709][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.927709][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.927709][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.927709][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.927709][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.927709][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.927709][ T74] netlink_unicast+0x449/0x710 [ 2829.927709][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.927709][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.927709][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.927709][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.927709][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.927709][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.927709][ T74] [ 2829.930189][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.930189][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.930189][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.930189][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.930189][ T74] ip6_route_add+0x1c/0x140 [ 2829.930189][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.930189][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.930189][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.930189][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.930189][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.930189][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.930189][ T74] netlink_unicast+0x449/0x710 [ 2829.930189][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.930189][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.930189][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.930189][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.930189][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.930189][ T74] [ 2829.932680][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.932680][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.932680][ T74] ipv6_find_idev+0x102/0x170 [ 2829.932680][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.932680][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.932680][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.932680][ T74] netlink_unicast+0x449/0x710 [ 2829.932680][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.932680][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.932680][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.932680][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.932680][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.932680][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.932680][ T74] [ 2829.934582][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2829.934582][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.934582][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.934582][ T74] ipv6_find_idev+0x102/0x170 [ 2829.934582][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.934582][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.934582][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.934582][ T74] netlink_unicast+0x449/0x710 [ 2829.934582][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.934582][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.934582][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.934582][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.934582][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.934582][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.934582][ T74] [ 2829.937027][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2829.937283][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.937283][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.937283][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.937283][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.937283][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2829.937283][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2829.937283][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2829.937283][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2829.937283][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2829.937283][ T74] addrconf_dad_begin+0x310/0x670 [ 2829.937283][ T74] addrconf_dad_work+0x10b/0xab0 [ 2829.937283][ T74] process_one_work+0x84d/0x18a0 [ 2829.937283][ T74] worker_thread+0x587/0xd30 [ 2829.937283][ T74] kthread+0x28a/0x350 [ 2829.937283][ T74] ret_from_fork+0x31/0x70 [ 2829.937283][ T74] ret_from_fork_asm+0x1a/0x30 [ 2829.937283][ T74] [ 2829.939413][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.939413][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.939413][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.939413][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.939413][ T74] ip6_route_add+0x1c/0x140 [ 2829.939413][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2829.939413][ T74] inet6_addr_add+0x4f8/0xa40 [ 2829.939413][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.939413][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.939413][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.939413][ T74] netlink_unicast+0x449/0x710 [ 2829.939413][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.939413][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.939413][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.939413][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.939413][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.939413][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.939413][ T74] [ 2829.941765][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.941765][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.941765][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.941765][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.941765][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2829.941765][ T74] ipv6_add_addr+0x411/0x2000 [ 2829.941765][ T74] inet6_addr_add+0x30e/0xa40 [ 2829.941765][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.941765][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.941765][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.941765][ T74] netlink_unicast+0x449/0x710 [ 2829.941765][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.941765][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.941765][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.941765][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.941765][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.941765][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.941765][ T74] [ 2829.944244][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.944244][ T74] netdev_get_by_index+0x5e/0x80 [ 2829.944244][ T74] fib6_nh_init+0x3d8/0x1580 [ 2829.944244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2829.944244][ T74] ip6_route_add+0x1c/0x140 [ 2829.944244][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2829.944244][ T74] addrconf_add_dev+0xe2/0x170 [ 2829.944244][ T74] inet6_addr_add+0x12f/0xa40 [ 2829.944244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2829.944244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.944244][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.944244][ T74] netlink_unicast+0x449/0x710 [ 2829.944244][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.944244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.944244][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.944244][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.944244][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.944244][ T74] [ 2829.946744][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.946744][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2829.946744][ T74] ipv6_find_idev+0x102/0x170 [ 2829.946744][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.946744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.946744][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.946744][ T74] netlink_unicast+0x449/0x710 [ 2829.946744][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.946744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.946744][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.946744][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.946744][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.946744][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.946744][ T74] [ 2829.948678][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2829.948678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2829.948678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2829.948678][ T74] ipv6_find_idev+0x102/0x170 [ 2829.948678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2829.948678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2829.948678][ T74] netlink_rcv_skb+0x130/0x360 [ 2829.948678][ T74] netlink_unicast+0x449/0x710 [ 2829.948678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2829.948678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2829.948678][ T74] ___sys_sendmsg+0xee/0x170 [ 2829.948678][ T74] __sys_sendmsg+0xcd/0x170 [ 2829.948678][ T74] do_syscall_64+0xc6/0x1e0 [ 2829.948678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2829.948678][ T74] [ 2830.848868][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2830.849369][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2830.849369][T16070] dst_init+0x84/0x4a0 [ 2830.849369][T16070] dst_alloc+0x97/0x150 [ 2830.849369][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.849369][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.849369][T16070] ip6_pol_route+0x56f/0x840 [ 2830.849369][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2830.849369][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2830.849369][T16070] fib6_rule_lookup+0x182/0x630 [ 2830.849369][T16070] ip6_route_output_flags+0x259/0x480 [ 2830.849369][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2830.849369][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2830.849369][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2830.849369][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2830.849369][T16070] ip6_datagram_connect+0x2c/0x50 [ 2830.849369][T16070] __sys_connect+0x217/0x2a0 [ 2830.849369][T16070] __x64_sys_connect+0x72/0xb0 [ 2830.849369][T16070] [ 2830.851935][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2830.851935][T16070] dst_init+0x84/0x4a0 [ 2830.851935][T16070] dst_alloc+0x97/0x150 [ 2830.851935][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.851935][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.851935][T16070] ip6_pol_route+0x56f/0x840 [ 2830.851935][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2830.851935][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2830.851935][T16070] fib6_rule_lookup+0x182/0x630 [ 2830.851935][T16070] ip6_route_output_flags+0x259/0x480 [ 2830.851935][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2830.851935][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2830.851935][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2830.851935][T16070] __inet_stream_connect+0x272/0x9f0 [ 2830.851935][T16070] inet_stream_connect+0x57/0xa0 [ 2830.851935][T16070] __sys_connect+0x217/0x2a0 [ 2830.851935][T16070] __x64_sys_connect+0x72/0xb0 [ 2830.851935][T16070] [ 2830.854467][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.854467][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2830.854467][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2830.854467][T16070] fib6_nh_init+0xa22/0x1580 [ 2830.854467][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.854467][T16070] ip6_route_add+0x1c/0x140 [ 2830.854467][T16070] inet6_rtm_newroute+0x104/0x110 [ 2830.854467][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.854467][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.854467][T16070] netlink_unicast+0x449/0x710 [ 2830.854467][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.854467][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.854467][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.854467][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.854467][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.854467][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.854467][T16070] [ 2830.856799][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.856799][T16070] dst_init+0x84/0x4a0 [ 2830.856799][T16070] dst_alloc+0x97/0x150 [ 2830.856799][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.856799][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.856799][T16070] ip6_pol_route+0x56f/0x840 [ 2830.856799][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2830.856799][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2830.856799][T16070] fib6_rule_lookup+0x182/0x630 [ 2830.856799][T16070] ip6_route_input+0x59c/0xa50 [ 2830.856799][T16070] ipv6_rcv+0x397/0x810 [ 2830.856799][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2830.856799][T16070] process_backlog+0x101/0x620 [ 2830.856799][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2830.856799][T16070] net_rx_action+0x495/0xbe0 [ 2830.856799][T16070] __do_softirq+0x1b5/0x7f6 [ 2830.856799][T16070] [ 2830.859105][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.859105][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.859105][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.859105][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.859105][T16070] ip6_route_add+0x1c/0x140 [ 2830.859105][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2830.859105][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2830.859105][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2830.859105][T16070] addrconf_dad_begin+0x310/0x670 [ 2830.859105][T16070] addrconf_dad_work+0x10b/0xab0 [ 2830.859105][T16070] process_one_work+0x84d/0x18a0 [ 2830.859105][T16070] worker_thread+0x587/0xd30 [ 2830.859105][T16070] kthread+0x28a/0x350 [ 2830.859105][T16070] ret_from_fork+0x31/0x70 [ 2830.859105][T16070] ret_from_fork_asm+0x1a/0x30 [ 2830.859105][T16070] [ 2830.861327][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.861327][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.861327][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.861327][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.861327][T16070] ip6_route_add+0x1c/0x140 [ 2830.861327][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2830.861327][T16070] inet6_addr_add+0x4f8/0xa40 [ 2830.861327][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.861327][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.861327][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.861327][T16070] netlink_unicast+0x449/0x710 [ 2830.861327][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.861327][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.861327][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.861327][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.861327][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.861327][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.861327][T16070] [ 2830.863807][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.863807][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.863807][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.863807][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.863807][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2830.863807][T16070] ipv6_add_addr+0x411/0x2000 [ 2830.863807][T16070] inet6_addr_add+0x30e/0xa40 [ 2830.863807][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.863807][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.863807][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.863807][T16070] netlink_unicast+0x449/0x710 [ 2830.863807][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.863807][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.863807][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.863807][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.863807][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.863807][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.863807][T16070] [ 2830.866402][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.866402][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.866402][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.866402][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.866402][T16070] ip6_route_add+0x1c/0x140 [ 2830.866402][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.866402][T16070] addrconf_add_dev+0xe2/0x170 [ 2830.866402][T16070] inet6_addr_add+0x12f/0xa40 [ 2830.866402][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.866402][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.866402][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.866402][T16070] netlink_unicast+0x449/0x710 [ 2830.866402][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.866402][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.866402][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.866402][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.866402][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.866402][T16070] [ 2830.868869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.868869][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2830.868869][T16070] ipv6_find_idev+0x102/0x170 [ 2830.868869][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.868869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.868869][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.868869][T16070] netlink_unicast+0x449/0x710 [ 2830.868869][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.868869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.868869][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.868869][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.868869][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.868869][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.868869][T16070] [ 2830.870787][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2830.870787][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2830.870787][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2830.870787][T16070] ipv6_find_idev+0x102/0x170 [ 2830.870787][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.870787][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.870787][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.870787][T16070] netlink_unicast+0x449/0x710 [ 2830.870787][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.870787][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.870787][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.870787][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.870787][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.870787][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.870787][T16070] [ 2830.872923][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2830.873255][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2830.873255][T16070] dst_init+0x84/0x4a0 [ 2830.873255][T16070] dst_alloc+0x97/0x150 [ 2830.873255][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.873255][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.873255][T16070] ip6_pol_route+0x56f/0x840 [ 2830.873255][T16070] fib6_rule_lookup+0x334/0x630 [ 2830.873255][T16070] ip6_route_output_flags+0x259/0x480 [ 2830.873255][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2830.873255][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2830.873255][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2830.873255][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2830.873255][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2830.873255][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.873255][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.873255][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.873255][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.873255][T16070] [ 2830.875733][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.875733][T16070] dst_init+0x84/0x4a0 [ 2830.875733][T16070] dst_alloc+0x97/0x150 [ 2830.875733][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.875733][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.875733][T16070] ip6_pol_route+0x56f/0x840 [ 2830.875733][T16070] fib6_rule_lookup+0x334/0x630 [ 2830.875733][T16070] ip6_route_output_flags+0x259/0x480 [ 2830.875733][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2830.875733][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2830.875733][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2830.875733][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2830.875733][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2830.875733][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2830.875733][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2830.875733][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2830.875733][T16070] ip6_input_finish+0x120/0x260 [ 2830.875733][T16070] [ 2830.878330][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.878330][T16070] dst_init+0x84/0x4a0 [ 2830.878330][T16070] dst_alloc+0x97/0x150 [ 2830.878330][T16070] ip6_dst_alloc+0x23/0x90 [ 2830.878330][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2830.878330][T16070] ip6_pol_route+0x56f/0x840 [ 2830.878330][T16070] fib6_rule_lookup+0x456/0x630 [ 2830.878330][T16070] ip6_route_input+0x59c/0xa50 [ 2830.878330][T16070] ipv6_rcv+0x397/0x810 [ 2830.878330][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2830.878330][T16070] process_backlog+0x101/0x620 [ 2830.878330][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2830.878330][T16070] net_rx_action+0x495/0xbe0 [ 2830.878330][T16070] __do_softirq+0x1b5/0x7f6 [ 2830.878330][T16070] [ 2830.880377][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.880377][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.880377][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.880377][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.880377][T16070] ip6_route_add+0x1c/0x140 [ 2830.880377][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2830.880377][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2830.880377][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2830.880377][T16070] addrconf_dad_begin+0x310/0x670 [ 2830.880377][T16070] addrconf_dad_work+0x10b/0xab0 [ 2830.880377][T16070] process_one_work+0x84d/0x18a0 [ 2830.880377][T16070] worker_thread+0x587/0xd30 [ 2830.880377][T16070] kthread+0x28a/0x350 [ 2830.880377][T16070] ret_from_fork+0x31/0x70 [ 2830.880377][T16070] ret_from_fork_asm+0x1a/0x30 [ 2830.880377][T16070] [ 2830.882848][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.882848][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.882848][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.882848][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.882848][T16070] ip6_route_add+0x1c/0x140 [ 2830.882848][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2830.882848][T16070] inet6_addr_add+0x4f8/0xa40 [ 2830.882848][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.882848][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.882848][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.882848][T16070] netlink_unicast+0x449/0x710 [ 2830.882848][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.882848][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.882848][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.882848][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.882848][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.882848][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.882848][T16070] [ 2830.885596][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.885596][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.885596][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.885596][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.885596][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2830.885596][T16070] ipv6_add_addr+0x411/0x2000 [ 2830.885596][T16070] inet6_addr_add+0x30e/0xa40 [ 2830.885596][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.885596][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.885596][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.885596][T16070] netlink_unicast+0x449/0x710 [ 2830.885596][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.885596][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.885596][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.885596][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.885596][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.885596][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.885596][T16070] [ 2830.888469][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.888469][T16070] netdev_get_by_index+0x5e/0x80 [ 2830.888469][T16070] fib6_nh_init+0x3d8/0x1580 [ 2830.888469][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2830.888469][T16070] ip6_route_add+0x1c/0x140 [ 2830.888469][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2830.888469][T16070] addrconf_add_dev+0xe2/0x170 [ 2830.888469][T16070] inet6_addr_add+0x12f/0xa40 [ 2830.888469][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2830.888469][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.888469][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.888469][T16070] netlink_unicast+0x449/0x710 [ 2830.888469][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.888469][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.888469][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.888469][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.888469][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.888469][T16070] [ 2830.891218][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.891218][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2830.891218][T16070] ipv6_find_idev+0x102/0x170 [ 2830.891218][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.891218][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.891218][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.891218][T16070] netlink_unicast+0x449/0x710 [ 2830.891218][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.891218][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.891218][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.891218][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.891218][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.891218][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.891218][T16070] [ 2830.893226][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2830.893226][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2830.893226][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2830.893226][T16070] ipv6_find_idev+0x102/0x170 [ 2830.893226][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2830.893226][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2830.893226][T16070] netlink_rcv_skb+0x130/0x360 [ 2830.893226][T16070] netlink_unicast+0x449/0x710 [ 2830.893226][T16070] netlink_sendmsg+0x723/0xbe0 [ 2830.893226][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2830.893226][T16070] ___sys_sendmsg+0xee/0x170 [ 2830.893226][T16070] __sys_sendmsg+0xcd/0x170 [ 2830.893226][T16070] do_syscall_64+0xc6/0x1e0 [ 2830.893226][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2830.893226][T16070] [ 2840.192863][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2840.193318][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.193318][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.193318][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.193318][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.193318][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.193318][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.193318][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.193318][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.193318][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.193318][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.193318][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.193318][ T74] process_one_work+0x84d/0x18a0 [ 2840.193318][ T74] worker_thread+0x587/0xd30 [ 2840.193318][ T74] kthread+0x28a/0x350 [ 2840.193318][ T74] ret_from_fork+0x31/0x70 [ 2840.193318][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.193318][ T74] [ 2840.195491][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.195491][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.195491][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.195491][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.195491][ T74] ip6_route_add+0x1c/0x140 [ 2840.195491][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.195491][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.195491][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.195491][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.195491][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.195491][ T74] netlink_unicast+0x449/0x710 [ 2840.195491][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.195491][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.195491][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.195491][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.195491][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.195491][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.195491][ T74] [ 2840.197736][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.197736][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.197736][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.197736][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.197736][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.197736][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.197736][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.197736][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.197736][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.197736][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.197736][ T74] netlink_unicast+0x449/0x710 [ 2840.197736][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.197736][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.197736][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.197736][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.197736][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.197736][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.197736][ T74] [ 2840.200008][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.200008][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.200008][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.200008][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.200008][ T74] ip6_route_add+0x1c/0x140 [ 2840.200008][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.200008][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.200008][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.200008][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.200008][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.200008][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.200008][ T74] netlink_unicast+0x449/0x710 [ 2840.200008][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.200008][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.200008][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.200008][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.200008][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.200008][ T74] [ 2840.202174][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.202174][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.202174][ T74] ipv6_find_idev+0x102/0x170 [ 2840.202174][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.202174][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.202174][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.202174][ T74] netlink_unicast+0x449/0x710 [ 2840.202174][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.202174][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.202174][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.202174][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.202174][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.202174][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.202174][ T74] [ 2840.203921][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2840.203921][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.203921][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.203921][ T74] ipv6_find_idev+0x102/0x170 [ 2840.203921][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.203921][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.203921][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.203921][ T74] netlink_unicast+0x449/0x710 [ 2840.203921][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.203921][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.203921][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.203921][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.203921][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.203921][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.203921][ T74] [ 2840.205836][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2840.206089][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.206089][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.206089][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.206089][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.206089][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.206089][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.206089][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.206089][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.206089][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.206089][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.206089][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.206089][ T74] process_one_work+0x84d/0x18a0 [ 2840.206089][ T74] worker_thread+0x587/0xd30 [ 2840.206089][ T74] kthread+0x28a/0x350 [ 2840.206089][ T74] ret_from_fork+0x31/0x70 [ 2840.206089][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.206089][ T74] [ 2840.208212][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.208212][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.208212][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.208212][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.208212][ T74] ip6_route_add+0x1c/0x140 [ 2840.208212][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.208212][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.208212][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.208212][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.208212][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.208212][ T74] netlink_unicast+0x449/0x710 [ 2840.208212][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.208212][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.208212][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.208212][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.208212][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.208212][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.208212][ T74] [ 2840.210451][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.210451][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.210451][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.210451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.210451][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.210451][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.210451][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.210451][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.210451][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.210451][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.210451][ T74] netlink_unicast+0x449/0x710 [ 2840.210451][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.210451][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.210451][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.210451][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.210451][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.210451][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.210451][ T74] [ 2840.212701][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.212701][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.212701][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.212701][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.212701][ T74] ip6_route_add+0x1c/0x140 [ 2840.212701][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.212701][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.212701][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.212701][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.212701][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.212701][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.212701][ T74] netlink_unicast+0x449/0x710 [ 2840.212701][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.212701][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.212701][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.212701][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.212701][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.212701][ T74] [ 2840.214916][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.214916][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.214916][ T74] ipv6_find_idev+0x102/0x170 [ 2840.214916][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.214916][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.214916][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.214916][ T74] netlink_unicast+0x449/0x710 [ 2840.214916][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.214916][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.214916][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.214916][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.214916][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.214916][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.214916][ T74] [ 2840.216640][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2840.216640][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.216640][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.216640][ T74] ipv6_find_idev+0x102/0x170 [ 2840.216640][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.216640][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.216640][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.216640][ T74] netlink_unicast+0x449/0x710 [ 2840.216640][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.216640][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.216640][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.216640][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.216640][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.216640][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.216640][ T74] [ 2840.218520][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2840.218793][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.218793][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.218793][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.218793][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.218793][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.218793][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.218793][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.218793][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.218793][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.218793][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.218793][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.218793][ T74] process_one_work+0x84d/0x18a0 [ 2840.218793][ T74] worker_thread+0x587/0xd30 [ 2840.218793][ T74] kthread+0x28a/0x350 [ 2840.218793][ T74] ret_from_fork+0x31/0x70 [ 2840.218793][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.218793][ T74] [ 2840.220937][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.220937][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.220937][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.220937][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.220937][ T74] ip6_route_add+0x1c/0x140 [ 2840.220937][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.220937][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.220937][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.220937][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.220937][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.220937][ T74] netlink_unicast+0x449/0x710 [ 2840.220937][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.220937][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.220937][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.220937][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.220937][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.220937][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.220937][ T74] [ 2840.223327][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.223327][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.223327][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.223327][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.223327][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.223327][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.223327][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.223327][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.223327][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.223327][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.223327][ T74] netlink_unicast+0x449/0x710 [ 2840.223327][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.223327][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.223327][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.223327][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.223327][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.223327][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.223327][ T74] [ 2840.225668][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.225668][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.225668][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.225668][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.225668][ T74] ip6_route_add+0x1c/0x140 [ 2840.225668][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.225668][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.225668][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.225668][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.225668][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.225668][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.225668][ T74] netlink_unicast+0x449/0x710 [ 2840.225668][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.225668][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.225668][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.225668][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.225668][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.225668][ T74] [ 2840.227991][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.227991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.227991][ T74] ipv6_find_idev+0x102/0x170 [ 2840.227991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.227991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.227991][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.227991][ T74] netlink_unicast+0x449/0x710 [ 2840.227991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.227991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.227991][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.227991][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.227991][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.227991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.227991][ T74] [ 2840.229872][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2840.229872][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.229872][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.229872][ T74] ipv6_find_idev+0x102/0x170 [ 2840.229872][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.229872][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.229872][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.229872][ T74] netlink_unicast+0x449/0x710 [ 2840.229872][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.229872][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.229872][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.229872][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.229872][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.229872][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.229872][ T74] [ 2840.231835][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2840.232096][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.232096][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.232096][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.232096][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.232096][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2840.232096][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2840.232096][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2840.232096][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2840.232096][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2840.232096][ T74] addrconf_dad_begin+0x310/0x670 [ 2840.232096][ T74] addrconf_dad_work+0x10b/0xab0 [ 2840.232096][ T74] process_one_work+0x84d/0x18a0 [ 2840.232096][ T74] worker_thread+0x587/0xd30 [ 2840.232096][ T74] kthread+0x28a/0x350 [ 2840.232096][ T74] ret_from_fork+0x31/0x70 [ 2840.232096][ T74] ret_from_fork_asm+0x1a/0x30 [ 2840.232096][ T74] [ 2840.234399][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.234399][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.234399][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.234399][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.234399][ T74] ip6_route_add+0x1c/0x140 [ 2840.234399][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2840.234399][ T74] inet6_addr_add+0x4f8/0xa40 [ 2840.234399][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.234399][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.234399][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.234399][ T74] netlink_unicast+0x449/0x710 [ 2840.234399][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.234399][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.234399][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.234399][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.234399][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.234399][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.234399][ T74] [ 2840.236790][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.236790][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.236790][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.236790][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.236790][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2840.236790][ T74] ipv6_add_addr+0x411/0x2000 [ 2840.236790][ T74] inet6_addr_add+0x30e/0xa40 [ 2840.236790][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.236790][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.236790][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.236790][ T74] netlink_unicast+0x449/0x710 [ 2840.236790][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.236790][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.236790][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.236790][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.236790][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.236790][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.236790][ T74] [ 2840.239162][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.239162][ T74] netdev_get_by_index+0x5e/0x80 [ 2840.239162][ T74] fib6_nh_init+0x3d8/0x1580 [ 2840.239162][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2840.239162][ T74] ip6_route_add+0x1c/0x140 [ 2840.239162][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2840.239162][ T74] addrconf_add_dev+0xe2/0x170 [ 2840.239162][ T74] inet6_addr_add+0x12f/0xa40 [ 2840.239162][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2840.239162][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.239162][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.239162][ T74] netlink_unicast+0x449/0x710 [ 2840.239162][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.239162][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.239162][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.239162][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.239162][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.239162][ T74] [ 2840.241514][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.241514][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2840.241514][ T74] ipv6_find_idev+0x102/0x170 [ 2840.241514][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.241514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.241514][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.241514][ T74] netlink_unicast+0x449/0x710 [ 2840.241514][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.241514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.241514][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.241514][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.241514][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.241514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.241514][ T74] [ 2840.243308][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2840.243308][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2840.243308][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2840.243308][ T74] ipv6_find_idev+0x102/0x170 [ 2840.243308][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2840.243308][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2840.243308][ T74] netlink_rcv_skb+0x130/0x360 [ 2840.243308][ T74] netlink_unicast+0x449/0x710 [ 2840.243308][ T74] netlink_sendmsg+0x723/0xbe0 [ 2840.243308][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2840.243308][ T74] ___sys_sendmsg+0xee/0x170 [ 2840.243308][ T74] __sys_sendmsg+0xcd/0x170 [ 2840.243308][ T74] do_syscall_64+0xc6/0x1e0 [ 2840.243308][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2840.243308][ T74] [ 2841.136933][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2841.137449][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2841.137449][T16070] dst_init+0x84/0x4a0 [ 2841.137449][T16070] dst_alloc+0x97/0x150 [ 2841.137449][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.137449][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.137449][T16070] ip6_pol_route+0x56f/0x840 [ 2841.137449][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2841.137449][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2841.137449][T16070] fib6_rule_lookup+0x182/0x630 [ 2841.137449][T16070] ip6_route_output_flags+0x259/0x480 [ 2841.137449][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2841.137449][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2841.137449][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2841.137449][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2841.137449][T16070] ip6_datagram_connect+0x2c/0x50 [ 2841.137449][T16070] __sys_connect+0x217/0x2a0 [ 2841.137449][T16070] __x64_sys_connect+0x72/0xb0 [ 2841.137449][T16070] [ 2841.140016][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2841.140016][T16070] dst_init+0x84/0x4a0 [ 2841.140016][T16070] dst_alloc+0x97/0x150 [ 2841.140016][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.140016][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.140016][T16070] ip6_pol_route+0x56f/0x840 [ 2841.140016][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2841.140016][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2841.140016][T16070] fib6_rule_lookup+0x182/0x630 [ 2841.140016][T16070] ip6_route_output_flags+0x259/0x480 [ 2841.140016][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2841.140016][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2841.140016][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2841.140016][T16070] __inet_stream_connect+0x272/0x9f0 [ 2841.140016][T16070] inet_stream_connect+0x57/0xa0 [ 2841.140016][T16070] __sys_connect+0x217/0x2a0 [ 2841.140016][T16070] __x64_sys_connect+0x72/0xb0 [ 2841.140016][T16070] [ 2841.142506][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.142506][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2841.142506][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2841.142506][T16070] fib6_nh_init+0xa22/0x1580 [ 2841.142506][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.142506][T16070] ip6_route_add+0x1c/0x140 [ 2841.142506][T16070] inet6_rtm_newroute+0x104/0x110 [ 2841.142506][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.142506][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.142506][T16070] netlink_unicast+0x449/0x710 [ 2841.142506][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.142506][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.142506][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.142506][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.142506][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.142506][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.142506][T16070] [ 2841.144830][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.144830][T16070] dst_init+0x84/0x4a0 [ 2841.144830][T16070] dst_alloc+0x97/0x150 [ 2841.144830][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.144830][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.144830][T16070] ip6_pol_route+0x56f/0x840 [ 2841.144830][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2841.144830][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2841.144830][T16070] fib6_rule_lookup+0x182/0x630 [ 2841.144830][T16070] ip6_route_input+0x59c/0xa50 [ 2841.144830][T16070] ipv6_rcv+0x397/0x810 [ 2841.144830][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2841.144830][T16070] process_backlog+0x101/0x620 [ 2841.144830][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2841.144830][T16070] net_rx_action+0x495/0xbe0 [ 2841.144830][T16070] __do_softirq+0x1b5/0x7f6 [ 2841.144830][T16070] [ 2841.147130][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.147130][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.147130][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.147130][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.147130][T16070] ip6_route_add+0x1c/0x140 [ 2841.147130][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2841.147130][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2841.147130][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2841.147130][T16070] addrconf_dad_begin+0x310/0x670 [ 2841.147130][T16070] addrconf_dad_work+0x10b/0xab0 [ 2841.147130][T16070] process_one_work+0x84d/0x18a0 [ 2841.147130][T16070] worker_thread+0x587/0xd30 [ 2841.147130][T16070] kthread+0x28a/0x350 [ 2841.147130][T16070] ret_from_fork+0x31/0x70 [ 2841.147130][T16070] ret_from_fork_asm+0x1a/0x30 [ 2841.147130][T16070] [ 2841.149380][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.149380][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.149380][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.149380][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.149380][T16070] ip6_route_add+0x1c/0x140 [ 2841.149380][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2841.149380][T16070] inet6_addr_add+0x4f8/0xa40 [ 2841.149380][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.149380][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.149380][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.149380][T16070] netlink_unicast+0x449/0x710 [ 2841.149380][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.149380][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.149380][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.149380][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.149380][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.149380][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.149380][T16070] [ 2841.151865][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.151865][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.151865][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.151865][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.151865][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2841.151865][T16070] ipv6_add_addr+0x411/0x2000 [ 2841.151865][T16070] inet6_addr_add+0x30e/0xa40 [ 2841.151865][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.151865][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.151865][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.151865][T16070] netlink_unicast+0x449/0x710 [ 2841.151865][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.151865][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.151865][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.151865][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.151865][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.151865][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.151865][T16070] [ 2841.154341][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.154341][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.154341][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.154341][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.154341][T16070] ip6_route_add+0x1c/0x140 [ 2841.154341][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2841.154341][T16070] addrconf_add_dev+0xe2/0x170 [ 2841.154341][T16070] inet6_addr_add+0x12f/0xa40 [ 2841.154341][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.154341][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.154341][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.154341][T16070] netlink_unicast+0x449/0x710 [ 2841.154341][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.154341][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.154341][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.154341][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.154341][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.154341][T16070] [ 2841.156928][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.156928][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2841.156928][T16070] ipv6_find_idev+0x102/0x170 [ 2841.156928][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.156928][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.156928][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.156928][T16070] netlink_unicast+0x449/0x710 [ 2841.156928][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.156928][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.156928][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.156928][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.156928][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.156928][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.156928][T16070] [ 2841.158841][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2841.158841][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2841.158841][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2841.158841][T16070] ipv6_find_idev+0x102/0x170 [ 2841.158841][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.158841][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.158841][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.158841][T16070] netlink_unicast+0x449/0x710 [ 2841.158841][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.158841][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.158841][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.158841][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.158841][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.158841][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.158841][T16070] [ 2841.160952][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2841.161279][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2841.161279][T16070] dst_init+0x84/0x4a0 [ 2841.161279][T16070] dst_alloc+0x97/0x150 [ 2841.161279][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.161279][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.161279][T16070] ip6_pol_route+0x56f/0x840 [ 2841.161279][T16070] fib6_rule_lookup+0x334/0x630 [ 2841.161279][T16070] ip6_route_output_flags+0x259/0x480 [ 2841.161279][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2841.161279][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2841.161279][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2841.161279][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2841.161279][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2841.161279][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.161279][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.161279][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.161279][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.161279][T16070] [ 2841.163770][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.163770][T16070] dst_init+0x84/0x4a0 [ 2841.163770][T16070] dst_alloc+0x97/0x150 [ 2841.163770][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.163770][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.163770][T16070] ip6_pol_route+0x56f/0x840 [ 2841.163770][T16070] fib6_rule_lookup+0x334/0x630 [ 2841.163770][T16070] ip6_route_output_flags+0x259/0x480 [ 2841.163770][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2841.163770][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2841.163770][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2841.163770][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2841.163770][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2841.163770][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2841.163770][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2841.163770][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2841.163770][T16070] ip6_input_finish+0x120/0x260 [ 2841.163770][T16070] [ 2841.166356][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.166356][T16070] dst_init+0x84/0x4a0 [ 2841.166356][T16070] dst_alloc+0x97/0x150 [ 2841.166356][T16070] ip6_dst_alloc+0x23/0x90 [ 2841.166356][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2841.166356][T16070] ip6_pol_route+0x56f/0x840 [ 2841.166356][T16070] fib6_rule_lookup+0x456/0x630 [ 2841.166356][T16070] ip6_route_input+0x59c/0xa50 [ 2841.166356][T16070] ipv6_rcv+0x397/0x810 [ 2841.166356][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2841.166356][T16070] process_backlog+0x101/0x620 [ 2841.166356][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2841.166356][T16070] net_rx_action+0x495/0xbe0 [ 2841.166356][T16070] __do_softirq+0x1b5/0x7f6 [ 2841.166356][T16070] [ 2841.168384][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.168384][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.168384][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.168384][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.168384][T16070] ip6_route_add+0x1c/0x140 [ 2841.168384][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2841.168384][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2841.168384][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2841.168384][T16070] addrconf_dad_begin+0x310/0x670 [ 2841.168384][T16070] addrconf_dad_work+0x10b/0xab0 [ 2841.168384][T16070] process_one_work+0x84d/0x18a0 [ 2841.168384][T16070] worker_thread+0x587/0xd30 [ 2841.168384][T16070] kthread+0x28a/0x350 [ 2841.168384][T16070] ret_from_fork+0x31/0x70 [ 2841.168384][T16070] ret_from_fork_asm+0x1a/0x30 [ 2841.168384][T16070] [ 2841.170836][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.170836][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.170836][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.170836][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.170836][T16070] ip6_route_add+0x1c/0x140 [ 2841.170836][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2841.170836][T16070] inet6_addr_add+0x4f8/0xa40 [ 2841.170836][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.170836][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.170836][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.170836][T16070] netlink_unicast+0x449/0x710 [ 2841.170836][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.170836][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.170836][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.170836][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.170836][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.170836][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.170836][T16070] [ 2841.173736][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.173736][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.173736][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.173736][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.173736][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2841.173736][T16070] ipv6_add_addr+0x411/0x2000 [ 2841.173736][T16070] inet6_addr_add+0x30e/0xa40 [ 2841.173736][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.173736][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.173736][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.173736][T16070] netlink_unicast+0x449/0x710 [ 2841.173736][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.173736][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.173736][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.173736][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.173736][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.173736][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.173736][T16070] [ 2841.176535][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.176535][T16070] netdev_get_by_index+0x5e/0x80 [ 2841.176535][T16070] fib6_nh_init+0x3d8/0x1580 [ 2841.176535][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2841.176535][T16070] ip6_route_add+0x1c/0x140 [ 2841.176535][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2841.176535][T16070] addrconf_add_dev+0xe2/0x170 [ 2841.176535][T16070] inet6_addr_add+0x12f/0xa40 [ 2841.176535][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2841.176535][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.176535][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.176535][T16070] netlink_unicast+0x449/0x710 [ 2841.176535][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.176535][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.176535][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.176535][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.176535][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.176535][T16070] [ 2841.179283][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.179283][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2841.179283][T16070] ipv6_find_idev+0x102/0x170 [ 2841.179283][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.179283][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.179283][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.179283][T16070] netlink_unicast+0x449/0x710 [ 2841.179283][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.179283][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.179283][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.179283][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.179283][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.179283][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.179283][T16070] [ 2841.181330][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2841.181330][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2841.181330][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2841.181330][T16070] ipv6_find_idev+0x102/0x170 [ 2841.181330][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2841.181330][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2841.181330][T16070] netlink_rcv_skb+0x130/0x360 [ 2841.181330][T16070] netlink_unicast+0x449/0x710 [ 2841.181330][T16070] netlink_sendmsg+0x723/0xbe0 [ 2841.181330][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2841.181330][T16070] ___sys_sendmsg+0xee/0x170 [ 2841.181330][T16070] __sys_sendmsg+0xcd/0x170 [ 2841.181330][T16070] do_syscall_64+0xc6/0x1e0 [ 2841.181330][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2841.181330][T16070] [ 2850.480848][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2850.481307][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.481307][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.481307][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.481307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.481307][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.481307][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.481307][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.481307][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.481307][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.481307][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.481307][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.481307][ T74] process_one_work+0x84d/0x18a0 [ 2850.481307][ T74] worker_thread+0x587/0xd30 [ 2850.481307][ T74] kthread+0x28a/0x350 [ 2850.481307][ T74] ret_from_fork+0x31/0x70 [ 2850.481307][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.481307][ T74] [ 2850.483486][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.483486][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.483486][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.483486][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.483486][ T74] ip6_route_add+0x1c/0x140 [ 2850.483486][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.483486][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.483486][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.483486][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.483486][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.483486][ T74] netlink_unicast+0x449/0x710 [ 2850.483486][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.483486][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.483486][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.483486][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.483486][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.483486][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.483486][ T74] [ 2850.485723][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.485723][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.485723][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.485723][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.485723][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.485723][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.485723][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.485723][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.485723][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.485723][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.485723][ T74] netlink_unicast+0x449/0x710 [ 2850.485723][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.485723][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.485723][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.485723][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.485723][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.485723][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.485723][ T74] [ 2850.487960][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.487960][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.487960][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.487960][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.487960][ T74] ip6_route_add+0x1c/0x140 [ 2850.487960][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.487960][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.487960][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.487960][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.487960][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.487960][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.487960][ T74] netlink_unicast+0x449/0x710 [ 2850.487960][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.487960][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.487960][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.487960][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.487960][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.487960][ T74] [ 2850.490280][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.490280][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.490280][ T74] ipv6_find_idev+0x102/0x170 [ 2850.490280][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.490280][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.490280][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.490280][ T74] netlink_unicast+0x449/0x710 [ 2850.490280][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.490280][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.490280][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.490280][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.490280][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.490280][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.490280][ T74] [ 2850.492587][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2850.492587][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.492587][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.492587][ T74] ipv6_find_idev+0x102/0x170 [ 2850.492587][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.492587][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.492587][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.492587][ T74] netlink_unicast+0x449/0x710 [ 2850.492587][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.492587][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.492587][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.492587][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.492587][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.492587][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.492587][ T74] [ 2850.494490][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2850.494753][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.494753][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.494753][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.494753][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.494753][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.494753][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.494753][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.494753][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.494753][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.494753][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.494753][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.494753][ T74] process_one_work+0x84d/0x18a0 [ 2850.494753][ T74] worker_thread+0x587/0xd30 [ 2850.494753][ T74] kthread+0x28a/0x350 [ 2850.494753][ T74] ret_from_fork+0x31/0x70 [ 2850.494753][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.494753][ T74] [ 2850.496899][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.496899][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.496899][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.496899][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.496899][ T74] ip6_route_add+0x1c/0x140 [ 2850.496899][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.496899][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.496899][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.496899][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.496899][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.496899][ T74] netlink_unicast+0x449/0x710 [ 2850.496899][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.496899][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.496899][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.496899][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.496899][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.496899][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.496899][ T74] [ 2850.499146][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.499146][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.499146][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.499146][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.499146][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.499146][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.499146][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.499146][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.499146][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.499146][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.499146][ T74] netlink_unicast+0x449/0x710 [ 2850.499146][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.499146][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.499146][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.499146][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.499146][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.499146][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.499146][ T74] [ 2850.501770][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.501770][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.501770][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.501770][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.501770][ T74] ip6_route_add+0x1c/0x140 [ 2850.501770][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.501770][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.501770][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.501770][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.501770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.501770][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.501770][ T74] netlink_unicast+0x449/0x710 [ 2850.501770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.501770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.501770][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.501770][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.501770][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.501770][ T74] [ 2850.503969][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.503969][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.503969][ T74] ipv6_find_idev+0x102/0x170 [ 2850.503969][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.503969][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.503969][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.503969][ T74] netlink_unicast+0x449/0x710 [ 2850.503969][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.503969][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.503969][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.503969][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.503969][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.503969][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.503969][ T74] [ 2850.505678][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2850.505678][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.505678][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.505678][ T74] ipv6_find_idev+0x102/0x170 [ 2850.505678][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.505678][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.505678][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.505678][ T74] netlink_unicast+0x449/0x710 [ 2850.505678][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.505678][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.505678][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.505678][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.505678][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.505678][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.505678][ T74] [ 2850.507545][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2850.507813][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.507813][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.507813][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.507813][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.507813][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.507813][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.507813][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.507813][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.507813][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.507813][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.507813][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.507813][ T74] process_one_work+0x84d/0x18a0 [ 2850.507813][ T74] worker_thread+0x587/0xd30 [ 2850.507813][ T74] kthread+0x28a/0x350 [ 2850.507813][ T74] ret_from_fork+0x31/0x70 [ 2850.507813][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.507813][ T74] [ 2850.509951][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.509951][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.509951][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.509951][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.509951][ T74] ip6_route_add+0x1c/0x140 [ 2850.509951][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.509951][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.509951][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.509951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.509951][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.509951][ T74] netlink_unicast+0x449/0x710 [ 2850.509951][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.509951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.509951][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.509951][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.509951][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.509951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.509951][ T74] [ 2850.512266][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.512266][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.512266][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.512266][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.512266][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.512266][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.512266][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.512266][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.512266][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.512266][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.512266][ T74] netlink_unicast+0x449/0x710 [ 2850.512266][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.512266][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.512266][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.512266][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.512266][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.512266][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.512266][ T74] [ 2850.514660][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.514660][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.514660][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.514660][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.514660][ T74] ip6_route_add+0x1c/0x140 [ 2850.514660][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.514660][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.514660][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.514660][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.514660][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.514660][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.514660][ T74] netlink_unicast+0x449/0x710 [ 2850.514660][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.514660][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.514660][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.514660][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.514660][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.514660][ T74] [ 2850.516958][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.516958][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.516958][ T74] ipv6_find_idev+0x102/0x170 [ 2850.516958][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.516958][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.516958][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.516958][ T74] netlink_unicast+0x449/0x710 [ 2850.516958][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.516958][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.516958][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.516958][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.516958][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.516958][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.516958][ T74] [ 2850.518756][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2850.518756][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.518756][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.518756][ T74] ipv6_find_idev+0x102/0x170 [ 2850.518756][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.518756][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.518756][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.518756][ T74] netlink_unicast+0x449/0x710 [ 2850.518756][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.518756][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.518756][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.518756][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.518756][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.518756][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.518756][ T74] [ 2850.520727][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2850.521546][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.521546][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.521546][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.521546][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.521546][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2850.521546][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2850.521546][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2850.521546][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2850.521546][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2850.521546][ T74] addrconf_dad_begin+0x310/0x670 [ 2850.521546][ T74] addrconf_dad_work+0x10b/0xab0 [ 2850.521546][ T74] process_one_work+0x84d/0x18a0 [ 2850.521546][ T74] worker_thread+0x587/0xd30 [ 2850.521546][ T74] kthread+0x28a/0x350 [ 2850.521546][ T74] ret_from_fork+0x31/0x70 [ 2850.521546][ T74] ret_from_fork_asm+0x1a/0x30 [ 2850.521546][ T74] [ 2850.523694][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.523694][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.523694][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.523694][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.523694][ T74] ip6_route_add+0x1c/0x140 [ 2850.523694][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2850.523694][ T74] inet6_addr_add+0x4f8/0xa40 [ 2850.523694][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.523694][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.523694][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.523694][ T74] netlink_unicast+0x449/0x710 [ 2850.523694][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.523694][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.523694][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.523694][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.523694][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.523694][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.523694][ T74] [ 2850.525931][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.525931][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.525931][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.525931][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.525931][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2850.525931][ T74] ipv6_add_addr+0x411/0x2000 [ 2850.525931][ T74] inet6_addr_add+0x30e/0xa40 [ 2850.525931][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.525931][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.525931][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.525931][ T74] netlink_unicast+0x449/0x710 [ 2850.525931][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.525931][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.525931][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.525931][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.525931][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.525931][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.525931][ T74] [ 2850.528260][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.528260][ T74] netdev_get_by_index+0x5e/0x80 [ 2850.528260][ T74] fib6_nh_init+0x3d8/0x1580 [ 2850.528260][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2850.528260][ T74] ip6_route_add+0x1c/0x140 [ 2850.528260][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2850.528260][ T74] addrconf_add_dev+0xe2/0x170 [ 2850.528260][ T74] inet6_addr_add+0x12f/0xa40 [ 2850.528260][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2850.528260][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.528260][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.528260][ T74] netlink_unicast+0x449/0x710 [ 2850.528260][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.528260][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.528260][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.528260][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.528260][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.528260][ T74] [ 2850.530679][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.530679][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2850.530679][ T74] ipv6_find_idev+0x102/0x170 [ 2850.530679][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.530679][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.530679][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.530679][ T74] netlink_unicast+0x449/0x710 [ 2850.530679][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.530679][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.530679][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.530679][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.530679][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.530679][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.530679][ T74] [ 2850.532513][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2850.532513][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2850.532513][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2850.532513][ T74] ipv6_find_idev+0x102/0x170 [ 2850.532513][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2850.532513][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2850.532513][ T74] netlink_rcv_skb+0x130/0x360 [ 2850.532513][ T74] netlink_unicast+0x449/0x710 [ 2850.532513][ T74] netlink_sendmsg+0x723/0xbe0 [ 2850.532513][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2850.532513][ T74] ___sys_sendmsg+0xee/0x170 [ 2850.532513][ T74] __sys_sendmsg+0xcd/0x170 [ 2850.532513][ T74] do_syscall_64+0xc6/0x1e0 [ 2850.532513][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2850.532513][ T74] [ 2851.336977][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2851.337472][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2851.337472][T16070] dst_init+0x84/0x4a0 [ 2851.337472][T16070] dst_alloc+0x97/0x150 [ 2851.337472][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.337472][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.337472][T16070] ip6_pol_route+0x56f/0x840 [ 2851.337472][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2851.337472][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2851.337472][T16070] fib6_rule_lookup+0x182/0x630 [ 2851.337472][T16070] ip6_route_output_flags+0x259/0x480 [ 2851.337472][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2851.337472][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2851.337472][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2851.337472][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2851.337472][T16070] ip6_datagram_connect+0x2c/0x50 [ 2851.337472][T16070] __sys_connect+0x217/0x2a0 [ 2851.337472][T16070] __x64_sys_connect+0x72/0xb0 [ 2851.337472][T16070] [ 2851.340036][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2851.340036][T16070] dst_init+0x84/0x4a0 [ 2851.340036][T16070] dst_alloc+0x97/0x150 [ 2851.340036][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.340036][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.340036][T16070] ip6_pol_route+0x56f/0x840 [ 2851.340036][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2851.340036][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2851.340036][T16070] fib6_rule_lookup+0x182/0x630 [ 2851.340036][T16070] ip6_route_output_flags+0x259/0x480 [ 2851.340036][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2851.340036][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2851.340036][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2851.340036][T16070] __inet_stream_connect+0x272/0x9f0 [ 2851.340036][T16070] inet_stream_connect+0x57/0xa0 [ 2851.340036][T16070] __sys_connect+0x217/0x2a0 [ 2851.340036][T16070] __x64_sys_connect+0x72/0xb0 [ 2851.340036][T16070] [ 2851.342494][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.342494][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2851.342494][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2851.342494][T16070] fib6_nh_init+0xa22/0x1580 [ 2851.342494][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.342494][T16070] ip6_route_add+0x1c/0x140 [ 2851.342494][T16070] inet6_rtm_newroute+0x104/0x110 [ 2851.342494][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.342494][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.342494][T16070] netlink_unicast+0x449/0x710 [ 2851.342494][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.342494][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.342494][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.342494][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.342494][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.342494][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.342494][T16070] [ 2851.344785][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.344785][T16070] dst_init+0x84/0x4a0 [ 2851.344785][T16070] dst_alloc+0x97/0x150 [ 2851.344785][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.344785][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.344785][T16070] ip6_pol_route+0x56f/0x840 [ 2851.344785][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2851.344785][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2851.344785][T16070] fib6_rule_lookup+0x182/0x630 [ 2851.344785][T16070] ip6_route_input+0x59c/0xa50 [ 2851.344785][T16070] ipv6_rcv+0x397/0x810 [ 2851.344785][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2851.344785][T16070] process_backlog+0x101/0x620 [ 2851.344785][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2851.344785][T16070] net_rx_action+0x495/0xbe0 [ 2851.344785][T16070] __do_softirq+0x1b5/0x7f6 [ 2851.344785][T16070] [ 2851.347073][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.347073][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.347073][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.347073][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.347073][T16070] ip6_route_add+0x1c/0x140 [ 2851.347073][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2851.347073][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2851.347073][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2851.347073][T16070] addrconf_dad_begin+0x310/0x670 [ 2851.347073][T16070] addrconf_dad_work+0x10b/0xab0 [ 2851.347073][T16070] process_one_work+0x84d/0x18a0 [ 2851.347073][T16070] worker_thread+0x587/0xd30 [ 2851.347073][T16070] kthread+0x28a/0x350 [ 2851.347073][T16070] ret_from_fork+0x31/0x70 [ 2851.347073][T16070] ret_from_fork_asm+0x1a/0x30 [ 2851.347073][T16070] [ 2851.349327][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.349327][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.349327][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.349327][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.349327][T16070] ip6_route_add+0x1c/0x140 [ 2851.349327][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2851.349327][T16070] inet6_addr_add+0x4f8/0xa40 [ 2851.349327][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.349327][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.349327][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.349327][T16070] netlink_unicast+0x449/0x710 [ 2851.349327][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.349327][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.349327][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.349327][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.349327][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.349327][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.349327][T16070] [ 2851.351801][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.351801][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.351801][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.351801][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.351801][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2851.351801][T16070] ipv6_add_addr+0x411/0x2000 [ 2851.351801][T16070] inet6_addr_add+0x30e/0xa40 [ 2851.351801][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.351801][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.351801][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.351801][T16070] netlink_unicast+0x449/0x710 [ 2851.351801][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.351801][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.351801][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.351801][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.351801][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.351801][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.351801][T16070] [ 2851.354251][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.354251][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.354251][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.354251][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.354251][T16070] ip6_route_add+0x1c/0x140 [ 2851.354251][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.354251][T16070] addrconf_add_dev+0xe2/0x170 [ 2851.354251][T16070] inet6_addr_add+0x12f/0xa40 [ 2851.354251][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.354251][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.354251][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.354251][T16070] netlink_unicast+0x449/0x710 [ 2851.354251][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.354251][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.354251][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.354251][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.354251][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.354251][T16070] [ 2851.356718][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.356718][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2851.356718][T16070] ipv6_find_idev+0x102/0x170 [ 2851.356718][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.356718][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.356718][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.356718][T16070] netlink_unicast+0x449/0x710 [ 2851.356718][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.356718][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.356718][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.356718][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.356718][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.356718][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.356718][T16070] [ 2851.358630][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2851.358630][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2851.358630][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2851.358630][T16070] ipv6_find_idev+0x102/0x170 [ 2851.358630][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.358630][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.358630][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.358630][T16070] netlink_unicast+0x449/0x710 [ 2851.358630][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.358630][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.358630][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.358630][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.358630][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.358630][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.358630][T16070] [ 2851.360768][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2851.361133][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2851.361133][T16070] dst_init+0x84/0x4a0 [ 2851.361133][T16070] dst_alloc+0x97/0x150 [ 2851.361133][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.361133][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.361133][T16070] ip6_pol_route+0x56f/0x840 [ 2851.361133][T16070] fib6_rule_lookup+0x334/0x630 [ 2851.361133][T16070] ip6_route_output_flags+0x259/0x480 [ 2851.361133][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2851.361133][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2851.361133][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2851.361133][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2851.361133][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2851.361133][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.361133][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.361133][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.361133][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.361133][T16070] [ 2851.363618][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.363618][T16070] dst_init+0x84/0x4a0 [ 2851.363618][T16070] dst_alloc+0x97/0x150 [ 2851.363618][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.363618][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.363618][T16070] ip6_pol_route+0x56f/0x840 [ 2851.363618][T16070] fib6_rule_lookup+0x334/0x630 [ 2851.363618][T16070] ip6_route_output_flags+0x259/0x480 [ 2851.363618][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2851.363618][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2851.363618][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2851.363618][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2851.363618][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2851.363618][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2851.363618][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2851.363618][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2851.363618][T16070] ip6_input_finish+0x120/0x260 [ 2851.363618][T16070] [ 2851.366139][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.366139][T16070] dst_init+0x84/0x4a0 [ 2851.366139][T16070] dst_alloc+0x97/0x150 [ 2851.366139][T16070] ip6_dst_alloc+0x23/0x90 [ 2851.366139][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2851.366139][T16070] ip6_pol_route+0x56f/0x840 [ 2851.366139][T16070] fib6_rule_lookup+0x456/0x630 [ 2851.366139][T16070] ip6_route_input+0x59c/0xa50 [ 2851.366139][T16070] ipv6_rcv+0x397/0x810 [ 2851.366139][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2851.366139][T16070] process_backlog+0x101/0x620 [ 2851.366139][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2851.366139][T16070] net_rx_action+0x495/0xbe0 [ 2851.366139][T16070] __do_softirq+0x1b5/0x7f6 [ 2851.366139][T16070] [ 2851.368275][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.368275][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.368275][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.368275][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.368275][T16070] ip6_route_add+0x1c/0x140 [ 2851.368275][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2851.368275][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2851.368275][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2851.368275][T16070] addrconf_dad_begin+0x310/0x670 [ 2851.368275][T16070] addrconf_dad_work+0x10b/0xab0 [ 2851.368275][T16070] process_one_work+0x84d/0x18a0 [ 2851.368275][T16070] worker_thread+0x587/0xd30 [ 2851.368275][T16070] kthread+0x28a/0x350 [ 2851.368275][T16070] ret_from_fork+0x31/0x70 [ 2851.368275][T16070] ret_from_fork_asm+0x1a/0x30 [ 2851.368275][T16070] [ 2851.370754][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.370754][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.370754][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.370754][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.370754][T16070] ip6_route_add+0x1c/0x140 [ 2851.370754][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2851.370754][T16070] inet6_addr_add+0x4f8/0xa40 [ 2851.370754][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.370754][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.370754][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.370754][T16070] netlink_unicast+0x449/0x710 [ 2851.370754][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.370754][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.370754][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.370754][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.370754][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.370754][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.370754][T16070] [ 2851.373522][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.373522][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.373522][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.373522][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.373522][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2851.373522][T16070] ipv6_add_addr+0x411/0x2000 [ 2851.373522][T16070] inet6_addr_add+0x30e/0xa40 [ 2851.373522][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.373522][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.373522][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.373522][T16070] netlink_unicast+0x449/0x710 [ 2851.373522][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.373522][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.373522][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.373522][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.373522][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.373522][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.373522][T16070] [ 2851.376301][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.376301][T16070] netdev_get_by_index+0x5e/0x80 [ 2851.376301][T16070] fib6_nh_init+0x3d8/0x1580 [ 2851.376301][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2851.376301][T16070] ip6_route_add+0x1c/0x140 [ 2851.376301][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2851.376301][T16070] addrconf_add_dev+0xe2/0x170 [ 2851.376301][T16070] inet6_addr_add+0x12f/0xa40 [ 2851.376301][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2851.376301][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.376301][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.376301][T16070] netlink_unicast+0x449/0x710 [ 2851.376301][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.376301][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.376301][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.376301][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.376301][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.376301][T16070] [ 2851.379064][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.379064][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2851.379064][T16070] ipv6_find_idev+0x102/0x170 [ 2851.379064][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.379064][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.379064][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.379064][T16070] netlink_unicast+0x449/0x710 [ 2851.379064][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.379064][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.379064][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.379064][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.379064][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.379064][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.379064][T16070] [ 2851.381154][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2851.381154][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2851.381154][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2851.381154][T16070] ipv6_find_idev+0x102/0x170 [ 2851.381154][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2851.381154][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2851.381154][T16070] netlink_rcv_skb+0x130/0x360 [ 2851.381154][T16070] netlink_unicast+0x449/0x710 [ 2851.381154][T16070] netlink_sendmsg+0x723/0xbe0 [ 2851.381154][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2851.381154][T16070] ___sys_sendmsg+0xee/0x170 [ 2851.381154][T16070] __sys_sendmsg+0xcd/0x170 [ 2851.381154][T16070] do_syscall_64+0xc6/0x1e0 [ 2851.381154][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2851.381154][T16070] [ 2860.552932][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2860.553346][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.553346][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.553346][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.553346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.553346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.553346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.553346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.553346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.553346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.553346][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.553346][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.553346][ T74] process_one_work+0x84d/0x18a0 [ 2860.553346][ T74] worker_thread+0x587/0xd30 [ 2860.553346][ T74] kthread+0x28a/0x350 [ 2860.553346][ T74] ret_from_fork+0x31/0x70 [ 2860.553346][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.553346][ T74] [ 2860.555307][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.555307][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.555307][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.555307][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.555307][ T74] ip6_route_add+0x1c/0x140 [ 2860.555307][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.555307][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.555307][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.555307][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.555307][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.555307][ T74] netlink_unicast+0x449/0x710 [ 2860.555307][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.555307][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.555307][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.555307][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.555307][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.555307][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.555307][ T74] [ 2860.557303][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.557303][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.557303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.557303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.557303][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.557303][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.557303][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.557303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.557303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.557303][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.557303][ T74] netlink_unicast+0x449/0x710 [ 2860.557303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.557303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.557303][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.557303][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.557303][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.557303][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.557303][ T74] [ 2860.559303][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.559303][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.559303][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.559303][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.559303][ T74] ip6_route_add+0x1c/0x140 [ 2860.559303][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.559303][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.559303][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.559303][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.559303][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.559303][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.559303][ T74] netlink_unicast+0x449/0x710 [ 2860.559303][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.559303][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.559303][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.559303][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.559303][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.559303][ T74] [ 2860.561272][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.561272][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.561272][ T74] ipv6_find_idev+0x102/0x170 [ 2860.561272][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.561272][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.561272][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.561272][ T74] netlink_unicast+0x449/0x710 [ 2860.561272][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.561272][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.561272][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.561272][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.561272][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.561272][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.561272][ T74] [ 2860.562823][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2860.562823][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.562823][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.562823][ T74] ipv6_find_idev+0x102/0x170 [ 2860.562823][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.562823][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.562823][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.562823][ T74] netlink_unicast+0x449/0x710 [ 2860.562823][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.562823][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.562823][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.562823][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.562823][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.562823][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.562823][ T74] [ 2860.564512][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2860.564749][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.564749][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.564749][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.564749][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.564749][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.564749][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.564749][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.564749][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.564749][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.564749][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.564749][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.564749][ T74] process_one_work+0x84d/0x18a0 [ 2860.564749][ T74] worker_thread+0x587/0xd30 [ 2860.564749][ T74] kthread+0x28a/0x350 [ 2860.564749][ T74] ret_from_fork+0x31/0x70 [ 2860.564749][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.564749][ T74] [ 2860.566652][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.566652][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.566652][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.566652][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.566652][ T74] ip6_route_add+0x1c/0x140 [ 2860.566652][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.566652][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.566652][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.566652][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.566652][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.566652][ T74] netlink_unicast+0x449/0x710 [ 2860.566652][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.566652][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.566652][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.566652][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.566652][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.566652][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.566652][ T74] [ 2860.568670][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.568670][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.568670][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.568670][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.568670][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.568670][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.568670][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.568670][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.568670][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.568670][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.568670][ T74] netlink_unicast+0x449/0x710 [ 2860.568670][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.568670][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.568670][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.568670][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.568670][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.568670][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.568670][ T74] [ 2860.570656][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.570656][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.570656][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.570656][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.570656][ T74] ip6_route_add+0x1c/0x140 [ 2860.570656][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.570656][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.570656][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.570656][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.570656][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.570656][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.570656][ T74] netlink_unicast+0x449/0x710 [ 2860.570656][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.570656][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.570656][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.570656][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.570656][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.570656][ T74] [ 2860.572614][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.572614][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.572614][ T74] ipv6_find_idev+0x102/0x170 [ 2860.572614][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.572614][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.572614][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.572614][ T74] netlink_unicast+0x449/0x710 [ 2860.572614][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.572614][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.572614][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.572614][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.572614][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.572614][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.572614][ T74] [ 2860.574150][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2860.574150][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.574150][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.574150][ T74] ipv6_find_idev+0x102/0x170 [ 2860.574150][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.574150][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.574150][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.574150][ T74] netlink_unicast+0x449/0x710 [ 2860.574150][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.574150][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.574150][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.574150][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.574150][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.574150][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.574150][ T74] [ 2860.575831][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2860.576072][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.576072][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.576072][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.576072][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.576072][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.576072][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.576072][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.576072][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.576072][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.576072][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.576072][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.576072][ T74] process_one_work+0x84d/0x18a0 [ 2860.576072][ T74] worker_thread+0x587/0xd30 [ 2860.576072][ T74] kthread+0x28a/0x350 [ 2860.576072][ T74] ret_from_fork+0x31/0x70 [ 2860.576072][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.576072][ T74] [ 2860.577991][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.577991][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.577991][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.577991][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.577991][ T74] ip6_route_add+0x1c/0x140 [ 2860.577991][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.577991][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.577991][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.577991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.577991][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.577991][ T74] netlink_unicast+0x449/0x710 [ 2860.577991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.577991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.577991][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.577991][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.577991][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.577991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.577991][ T74] [ 2860.580282][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.580282][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.580282][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.580282][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.580282][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.580282][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.580282][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.580282][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.580282][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.580282][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.580282][ T74] netlink_unicast+0x449/0x710 [ 2860.580282][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.580282][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.580282][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.580282][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.580282][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.580282][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.580282][ T74] [ 2860.582451][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.582451][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.582451][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.582451][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.582451][ T74] ip6_route_add+0x1c/0x140 [ 2860.582451][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.582451][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.582451][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.582451][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.582451][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.582451][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.582451][ T74] netlink_unicast+0x449/0x710 [ 2860.582451][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.582451][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.582451][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.582451][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.582451][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.582451][ T74] [ 2860.584717][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.584717][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.584717][ T74] ipv6_find_idev+0x102/0x170 [ 2860.584717][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.584717][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.584717][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.584717][ T74] netlink_unicast+0x449/0x710 [ 2860.584717][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.584717][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.584717][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.584717][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.584717][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.584717][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.584717][ T74] [ 2860.586426][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2860.586426][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.586426][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.586426][ T74] ipv6_find_idev+0x102/0x170 [ 2860.586426][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.586426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.586426][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.586426][ T74] netlink_unicast+0x449/0x710 [ 2860.586426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.586426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.586426][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.586426][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.586426][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.586426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.586426][ T74] [ 2860.588214][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2860.588449][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.588449][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.588449][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.588449][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.588449][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2860.588449][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2860.588449][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2860.588449][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2860.588449][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2860.588449][ T74] addrconf_dad_begin+0x310/0x670 [ 2860.588449][ T74] addrconf_dad_work+0x10b/0xab0 [ 2860.588449][ T74] process_one_work+0x84d/0x18a0 [ 2860.588449][ T74] worker_thread+0x587/0xd30 [ 2860.588449][ T74] kthread+0x28a/0x350 [ 2860.588449][ T74] ret_from_fork+0x31/0x70 [ 2860.588449][ T74] ret_from_fork_asm+0x1a/0x30 [ 2860.588449][ T74] [ 2860.590589][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.590589][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.590589][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.590589][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.590589][ T74] ip6_route_add+0x1c/0x140 [ 2860.590589][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2860.590589][ T74] inet6_addr_add+0x4f8/0xa40 [ 2860.590589][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.590589][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.590589][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.590589][ T74] netlink_unicast+0x449/0x710 [ 2860.590589][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.590589][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.590589][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.590589][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.590589][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.590589][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.590589][ T74] [ 2860.592836][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.592836][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.592836][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.592836][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.592836][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2860.592836][ T74] ipv6_add_addr+0x411/0x2000 [ 2860.592836][ T74] inet6_addr_add+0x30e/0xa40 [ 2860.592836][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.592836][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.592836][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.592836][ T74] netlink_unicast+0x449/0x710 [ 2860.592836][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.592836][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.592836][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.592836][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.592836][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.592836][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.592836][ T74] [ 2860.595066][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.595066][ T74] netdev_get_by_index+0x5e/0x80 [ 2860.595066][ T74] fib6_nh_init+0x3d8/0x1580 [ 2860.595066][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2860.595066][ T74] ip6_route_add+0x1c/0x140 [ 2860.595066][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2860.595066][ T74] addrconf_add_dev+0xe2/0x170 [ 2860.595066][ T74] inet6_addr_add+0x12f/0xa40 [ 2860.595066][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2860.595066][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.595066][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.595066][ T74] netlink_unicast+0x449/0x710 [ 2860.595066][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.595066][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.595066][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.595066][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.595066][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.595066][ T74] [ 2860.597222][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.597222][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2860.597222][ T74] ipv6_find_idev+0x102/0x170 [ 2860.597222][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.597222][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.597222][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.597222][ T74] netlink_unicast+0x449/0x710 [ 2860.597222][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.597222][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.597222][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.597222][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.597222][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.597222][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.597222][ T74] [ 2860.598944][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2860.598944][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2860.598944][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2860.598944][ T74] ipv6_find_idev+0x102/0x170 [ 2860.598944][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2860.598944][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2860.598944][ T74] netlink_rcv_skb+0x130/0x360 [ 2860.598944][ T74] netlink_unicast+0x449/0x710 [ 2860.598944][ T74] netlink_sendmsg+0x723/0xbe0 [ 2860.598944][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2860.598944][ T74] ___sys_sendmsg+0xee/0x170 [ 2860.598944][ T74] __sys_sendmsg+0xcd/0x170 [ 2860.598944][ T74] do_syscall_64+0xc6/0x1e0 [ 2860.598944][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2860.598944][ T74] [ 2861.633014][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2861.633514][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2861.633514][T16070] dst_init+0x84/0x4a0 [ 2861.633514][T16070] dst_alloc+0x97/0x150 [ 2861.633514][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.633514][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.633514][T16070] ip6_pol_route+0x56f/0x840 [ 2861.633514][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2861.633514][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2861.633514][T16070] fib6_rule_lookup+0x182/0x630 [ 2861.633514][T16070] ip6_route_output_flags+0x259/0x480 [ 2861.633514][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2861.633514][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2861.633514][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2861.633514][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2861.633514][T16070] ip6_datagram_connect+0x2c/0x50 [ 2861.633514][T16070] __sys_connect+0x217/0x2a0 [ 2861.633514][T16070] __x64_sys_connect+0x72/0xb0 [ 2861.633514][T16070] [ 2861.636005][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2861.636005][T16070] dst_init+0x84/0x4a0 [ 2861.636005][T16070] dst_alloc+0x97/0x150 [ 2861.636005][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.636005][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.636005][T16070] ip6_pol_route+0x56f/0x840 [ 2861.636005][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2861.636005][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2861.636005][T16070] fib6_rule_lookup+0x182/0x630 [ 2861.636005][T16070] ip6_route_output_flags+0x259/0x480 [ 2861.636005][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2861.636005][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2861.636005][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2861.636005][T16070] __inet_stream_connect+0x272/0x9f0 [ 2861.636005][T16070] inet_stream_connect+0x57/0xa0 [ 2861.636005][T16070] __sys_connect+0x217/0x2a0 [ 2861.636005][T16070] __x64_sys_connect+0x72/0xb0 [ 2861.636005][T16070] [ 2861.638508][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.638508][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2861.638508][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2861.638508][T16070] fib6_nh_init+0xa22/0x1580 [ 2861.638508][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.638508][T16070] ip6_route_add+0x1c/0x140 [ 2861.638508][T16070] inet6_rtm_newroute+0x104/0x110 [ 2861.638508][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.638508][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.638508][T16070] netlink_unicast+0x449/0x710 [ 2861.638508][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.638508][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.638508][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.638508][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.638508][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.638508][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.638508][T16070] [ 2861.640852][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.640852][T16070] dst_init+0x84/0x4a0 [ 2861.640852][T16070] dst_alloc+0x97/0x150 [ 2861.640852][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.640852][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.640852][T16070] ip6_pol_route+0x56f/0x840 [ 2861.640852][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2861.640852][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2861.640852][T16070] fib6_rule_lookup+0x182/0x630 [ 2861.640852][T16070] ip6_route_input+0x59c/0xa50 [ 2861.640852][T16070] ipv6_rcv+0x397/0x810 [ 2861.640852][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2861.640852][T16070] process_backlog+0x101/0x620 [ 2861.640852][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2861.640852][T16070] net_rx_action+0x495/0xbe0 [ 2861.640852][T16070] __do_softirq+0x1b5/0x7f6 [ 2861.640852][T16070] [ 2861.643264][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.643264][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.643264][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.643264][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.643264][T16070] ip6_route_add+0x1c/0x140 [ 2861.643264][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2861.643264][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2861.643264][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2861.643264][T16070] addrconf_dad_begin+0x310/0x670 [ 2861.643264][T16070] addrconf_dad_work+0x10b/0xab0 [ 2861.643264][T16070] process_one_work+0x84d/0x18a0 [ 2861.643264][T16070] worker_thread+0x587/0xd30 [ 2861.643264][T16070] kthread+0x28a/0x350 [ 2861.643264][T16070] ret_from_fork+0x31/0x70 [ 2861.643264][T16070] ret_from_fork_asm+0x1a/0x30 [ 2861.643264][T16070] [ 2861.645479][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.645479][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.645479][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.645479][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.645479][T16070] ip6_route_add+0x1c/0x140 [ 2861.645479][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2861.645479][T16070] inet6_addr_add+0x4f8/0xa40 [ 2861.645479][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.645479][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.645479][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.645479][T16070] netlink_unicast+0x449/0x710 [ 2861.645479][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.645479][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.645479][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.645479][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.645479][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.645479][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.645479][T16070] [ 2861.647946][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.647946][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.647946][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.647946][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.647946][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2861.647946][T16070] ipv6_add_addr+0x411/0x2000 [ 2861.647946][T16070] inet6_addr_add+0x30e/0xa40 [ 2861.647946][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.647946][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.647946][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.647946][T16070] netlink_unicast+0x449/0x710 [ 2861.647946][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.647946][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.647946][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.647946][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.647946][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.647946][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.647946][T16070] [ 2861.650436][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.650436][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.650436][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.650436][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.650436][T16070] ip6_route_add+0x1c/0x140 [ 2861.650436][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.650436][T16070] addrconf_add_dev+0xe2/0x170 [ 2861.650436][T16070] inet6_addr_add+0x12f/0xa40 [ 2861.650436][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.650436][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.650436][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.650436][T16070] netlink_unicast+0x449/0x710 [ 2861.650436][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.650436][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.650436][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.650436][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.650436][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.650436][T16070] [ 2861.652896][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.652896][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2861.652896][T16070] ipv6_find_idev+0x102/0x170 [ 2861.652896][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.652896][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.652896][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.652896][T16070] netlink_unicast+0x449/0x710 [ 2861.652896][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.652896][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.652896][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.652896][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.652896][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.652896][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.652896][T16070] [ 2861.654784][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2861.654784][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2861.654784][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2861.654784][T16070] ipv6_find_idev+0x102/0x170 [ 2861.654784][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.654784][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.654784][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.654784][T16070] netlink_unicast+0x449/0x710 [ 2861.654784][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.654784][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.654784][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.654784][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.654784][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.654784][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.654784][T16070] [ 2861.656850][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2861.657171][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2861.657171][T16070] dst_init+0x84/0x4a0 [ 2861.657171][T16070] dst_alloc+0x97/0x150 [ 2861.657171][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.657171][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.657171][T16070] ip6_pol_route+0x56f/0x840 [ 2861.657171][T16070] fib6_rule_lookup+0x334/0x630 [ 2861.657171][T16070] ip6_route_output_flags+0x259/0x480 [ 2861.657171][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2861.657171][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2861.657171][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2861.657171][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2861.657171][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2861.657171][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.657171][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.657171][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.657171][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.657171][T16070] [ 2861.659680][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.659680][T16070] dst_init+0x84/0x4a0 [ 2861.659680][T16070] dst_alloc+0x97/0x150 [ 2861.659680][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.659680][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.659680][T16070] ip6_pol_route+0x56f/0x840 [ 2861.659680][T16070] fib6_rule_lookup+0x334/0x630 [ 2861.659680][T16070] ip6_route_output_flags+0x259/0x480 [ 2861.659680][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2861.659680][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2861.659680][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2861.659680][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2861.659680][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2861.659680][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2861.659680][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2861.659680][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2861.659680][T16070] ip6_input_finish+0x120/0x260 [ 2861.659680][T16070] [ 2861.662205][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.662205][T16070] dst_init+0x84/0x4a0 [ 2861.662205][T16070] dst_alloc+0x97/0x150 [ 2861.662205][T16070] ip6_dst_alloc+0x23/0x90 [ 2861.662205][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2861.662205][T16070] ip6_pol_route+0x56f/0x840 [ 2861.662205][T16070] fib6_rule_lookup+0x456/0x630 [ 2861.662205][T16070] ip6_route_input+0x59c/0xa50 [ 2861.662205][T16070] ipv6_rcv+0x397/0x810 [ 2861.662205][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2861.662205][T16070] process_backlog+0x101/0x620 [ 2861.662205][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2861.662205][T16070] net_rx_action+0x495/0xbe0 [ 2861.662205][T16070] __do_softirq+0x1b5/0x7f6 [ 2861.662205][T16070] [ 2861.664213][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.664213][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.664213][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.664213][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.664213][T16070] ip6_route_add+0x1c/0x140 [ 2861.664213][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2861.664213][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2861.664213][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2861.664213][T16070] addrconf_dad_begin+0x310/0x670 [ 2861.664213][T16070] addrconf_dad_work+0x10b/0xab0 [ 2861.664213][T16070] process_one_work+0x84d/0x18a0 [ 2861.664213][T16070] worker_thread+0x587/0xd30 [ 2861.664213][T16070] kthread+0x28a/0x350 [ 2861.664213][T16070] ret_from_fork+0x31/0x70 [ 2861.664213][T16070] ret_from_fork_asm+0x1a/0x30 [ 2861.664213][T16070] [ 2861.666535][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.666535][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.666535][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.666535][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.666535][T16070] ip6_route_add+0x1c/0x140 [ 2861.666535][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2861.666535][T16070] inet6_addr_add+0x4f8/0xa40 [ 2861.666535][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.666535][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.666535][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.666535][T16070] netlink_unicast+0x449/0x710 [ 2861.666535][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.666535][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.666535][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.666535][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.666535][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.666535][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.666535][T16070] [ 2861.669418][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.669418][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.669418][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.669418][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.669418][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2861.669418][T16070] ipv6_add_addr+0x411/0x2000 [ 2861.669418][T16070] inet6_addr_add+0x30e/0xa40 [ 2861.669418][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.669418][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.669418][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.669418][T16070] netlink_unicast+0x449/0x710 [ 2861.669418][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.669418][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.669418][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.669418][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.669418][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.669418][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.669418][T16070] [ 2861.672200][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.672200][T16070] netdev_get_by_index+0x5e/0x80 [ 2861.672200][T16070] fib6_nh_init+0x3d8/0x1580 [ 2861.672200][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2861.672200][T16070] ip6_route_add+0x1c/0x140 [ 2861.672200][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2861.672200][T16070] addrconf_add_dev+0xe2/0x170 [ 2861.672200][T16070] inet6_addr_add+0x12f/0xa40 [ 2861.672200][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2861.672200][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.672200][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.672200][T16070] netlink_unicast+0x449/0x710 [ 2861.672200][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.672200][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.672200][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.672200][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.672200][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.672200][T16070] [ 2861.674885][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.674885][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2861.674885][T16070] ipv6_find_idev+0x102/0x170 [ 2861.674885][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.674885][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.674885][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.674885][T16070] netlink_unicast+0x449/0x710 [ 2861.674885][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.674885][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.674885][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.674885][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.674885][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.674885][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.674885][T16070] [ 2861.676900][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2861.676900][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2861.676900][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2861.676900][T16070] ipv6_find_idev+0x102/0x170 [ 2861.676900][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2861.676900][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2861.676900][T16070] netlink_rcv_skb+0x130/0x360 [ 2861.676900][T16070] netlink_unicast+0x449/0x710 [ 2861.676900][T16070] netlink_sendmsg+0x723/0xbe0 [ 2861.676900][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2861.676900][T16070] ___sys_sendmsg+0xee/0x170 [ 2861.676900][T16070] __sys_sendmsg+0xcd/0x170 [ 2861.676900][T16070] do_syscall_64+0xc6/0x1e0 [ 2861.676900][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2861.676900][T16070] [ 2870.848906][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2870.849268][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.849268][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.849268][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.849268][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.849268][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.849268][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.849268][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.849268][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.849268][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.849268][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.849268][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.849268][ T74] process_one_work+0x84d/0x18a0 [ 2870.849268][ T74] worker_thread+0x587/0xd30 [ 2870.849268][ T74] kthread+0x28a/0x350 [ 2870.849268][ T74] ret_from_fork+0x31/0x70 [ 2870.849268][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.849268][ T74] [ 2870.851229][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.851229][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.851229][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.851229][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.851229][ T74] ip6_route_add+0x1c/0x140 [ 2870.851229][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.851229][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.851229][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.851229][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.851229][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.851229][ T74] netlink_unicast+0x449/0x710 [ 2870.851229][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.851229][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.851229][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.851229][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.851229][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.851229][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.851229][ T74] [ 2870.853379][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.853379][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.853379][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.853379][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.853379][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.853379][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.853379][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.853379][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.853379][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.853379][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.853379][ T74] netlink_unicast+0x449/0x710 [ 2870.853379][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.853379][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.853379][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.853379][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.853379][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.853379][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.853379][ T74] [ 2870.855406][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.855406][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.855406][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.855406][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.855406][ T74] ip6_route_add+0x1c/0x140 [ 2870.855406][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.855406][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.855406][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.855406][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.855406][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.855406][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.855406][ T74] netlink_unicast+0x449/0x710 [ 2870.855406][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.855406][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.855406][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.855406][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.855406][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.855406][ T74] [ 2870.857396][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.857396][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.857396][ T74] ipv6_find_idev+0x102/0x170 [ 2870.857396][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.857396][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.857396][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.857396][ T74] netlink_unicast+0x449/0x710 [ 2870.857396][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.857396][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.857396][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.857396][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.857396][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.857396][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.857396][ T74] [ 2870.858979][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2870.858979][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.858979][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.858979][ T74] ipv6_find_idev+0x102/0x170 [ 2870.858979][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.858979][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.858979][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.858979][ T74] netlink_unicast+0x449/0x710 [ 2870.858979][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.858979][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.858979][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.858979][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.858979][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.858979][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.858979][ T74] [ 2870.860702][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2870.860962][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.860962][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.860962][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.860962][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.860962][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.860962][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.860962][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.860962][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.860962][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.860962][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.860962][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.860962][ T74] process_one_work+0x84d/0x18a0 [ 2870.860962][ T74] worker_thread+0x587/0xd30 [ 2870.860962][ T74] kthread+0x28a/0x350 [ 2870.860962][ T74] ret_from_fork+0x31/0x70 [ 2870.860962][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.860962][ T74] [ 2870.862892][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.862892][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.862892][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.862892][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.862892][ T74] ip6_route_add+0x1c/0x140 [ 2870.862892][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.862892][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.862892][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.862892][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.862892][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.862892][ T74] netlink_unicast+0x449/0x710 [ 2870.862892][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.862892][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.862892][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.862892][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.862892][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.862892][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.862892][ T74] [ 2870.864908][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.864908][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.864908][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.864908][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.864908][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.864908][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.864908][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.864908][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.864908][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.864908][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.864908][ T74] netlink_unicast+0x449/0x710 [ 2870.864908][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.864908][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.864908][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.864908][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.864908][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.864908][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.864908][ T74] [ 2870.866927][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.866927][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.866927][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.866927][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.866927][ T74] ip6_route_add+0x1c/0x140 [ 2870.866927][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.866927][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.866927][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.866927][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.866927][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.866927][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.866927][ T74] netlink_unicast+0x449/0x710 [ 2870.866927][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.866927][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.866927][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.866927][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.866927][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.866927][ T74] [ 2870.868920][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.868920][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.868920][ T74] ipv6_find_idev+0x102/0x170 [ 2870.868920][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.868920][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.868920][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.868920][ T74] netlink_unicast+0x449/0x710 [ 2870.868920][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.868920][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.868920][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.868920][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.868920][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.868920][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.868920][ T74] [ 2870.870490][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2870.870490][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.870490][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.870490][ T74] ipv6_find_idev+0x102/0x170 [ 2870.870490][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.870490][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.870490][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.870490][ T74] netlink_unicast+0x449/0x710 [ 2870.870490][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.870490][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.870490][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.870490][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.870490][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.870490][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.870490][ T74] [ 2870.872196][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2870.872446][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.872446][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.872446][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.872446][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.872446][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.872446][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.872446][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.872446][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.872446][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.872446][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.872446][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.872446][ T74] process_one_work+0x84d/0x18a0 [ 2870.872446][ T74] worker_thread+0x587/0xd30 [ 2870.872446][ T74] kthread+0x28a/0x350 [ 2870.872446][ T74] ret_from_fork+0x31/0x70 [ 2870.872446][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.872446][ T74] [ 2870.874392][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.874392][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.874392][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.874392][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.874392][ T74] ip6_route_add+0x1c/0x140 [ 2870.874392][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.874392][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.874392][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.874392][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.874392][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.874392][ T74] netlink_unicast+0x449/0x710 [ 2870.874392][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.874392][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.874392][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.874392][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.874392][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.874392][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.874392][ T74] [ 2870.876561][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.876561][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.876561][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.876561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.876561][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.876561][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.876561][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.876561][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.876561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.876561][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.876561][ T74] netlink_unicast+0x449/0x710 [ 2870.876561][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.876561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.876561][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.876561][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.876561][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.876561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.876561][ T74] [ 2870.878744][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.878744][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.878744][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.878744][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.878744][ T74] ip6_route_add+0x1c/0x140 [ 2870.878744][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.878744][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.878744][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.878744][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.878744][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.878744][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.878744][ T74] netlink_unicast+0x449/0x710 [ 2870.878744][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.878744][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.878744][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.878744][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.878744][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.878744][ T74] [ 2870.880909][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.880909][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.880909][ T74] ipv6_find_idev+0x102/0x170 [ 2870.880909][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.880909][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.880909][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.880909][ T74] netlink_unicast+0x449/0x710 [ 2870.880909][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.880909][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.880909][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.880909][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.880909][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.880909][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.880909][ T74] [ 2870.882616][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2870.882616][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.882616][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.882616][ T74] ipv6_find_idev+0x102/0x170 [ 2870.882616][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.882616][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.882616][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.882616][ T74] netlink_unicast+0x449/0x710 [ 2870.882616][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.882616][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.882616][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.882616][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.882616][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.882616][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.882616][ T74] [ 2870.884430][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2870.884750][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.884750][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.884750][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.884750][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.884750][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2870.884750][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2870.884750][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2870.884750][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2870.884750][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2870.884750][ T74] addrconf_dad_begin+0x310/0x670 [ 2870.884750][ T74] addrconf_dad_work+0x10b/0xab0 [ 2870.884750][ T74] process_one_work+0x84d/0x18a0 [ 2870.884750][ T74] worker_thread+0x587/0xd30 [ 2870.884750][ T74] kthread+0x28a/0x350 [ 2870.884750][ T74] ret_from_fork+0x31/0x70 [ 2870.884750][ T74] ret_from_fork_asm+0x1a/0x30 [ 2870.884750][ T74] [ 2870.886757][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.886757][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.886757][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.886757][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.886757][ T74] ip6_route_add+0x1c/0x140 [ 2870.886757][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2870.886757][ T74] inet6_addr_add+0x4f8/0xa40 [ 2870.886757][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.886757][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.886757][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.886757][ T74] netlink_unicast+0x449/0x710 [ 2870.886757][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.886757][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.886757][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.886757][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.886757][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.886757][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.886757][ T74] [ 2870.888924][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.888924][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.888924][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.888924][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.888924][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2870.888924][ T74] ipv6_add_addr+0x411/0x2000 [ 2870.888924][ T74] inet6_addr_add+0x30e/0xa40 [ 2870.888924][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.888924][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.888924][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.888924][ T74] netlink_unicast+0x449/0x710 [ 2870.888924][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.888924][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.888924][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.888924][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.888924][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.888924][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.888924][ T74] [ 2870.891098][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.891098][ T74] netdev_get_by_index+0x5e/0x80 [ 2870.891098][ T74] fib6_nh_init+0x3d8/0x1580 [ 2870.891098][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2870.891098][ T74] ip6_route_add+0x1c/0x140 [ 2870.891098][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2870.891098][ T74] addrconf_add_dev+0xe2/0x170 [ 2870.891098][ T74] inet6_addr_add+0x12f/0xa40 [ 2870.891098][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2870.891098][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.891098][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.891098][ T74] netlink_unicast+0x449/0x710 [ 2870.891098][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.891098][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.891098][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.891098][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.891098][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.891098][ T74] [ 2870.893233][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.893233][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2870.893233][ T74] ipv6_find_idev+0x102/0x170 [ 2870.893233][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.893233][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.893233][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.893233][ T74] netlink_unicast+0x449/0x710 [ 2870.893233][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.893233][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.893233][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.893233][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.893233][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.893233][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.893233][ T74] [ 2870.894951][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2870.894951][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2870.894951][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2870.894951][ T74] ipv6_find_idev+0x102/0x170 [ 2870.894951][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2870.894951][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2870.894951][ T74] netlink_rcv_skb+0x130/0x360 [ 2870.894951][ T74] netlink_unicast+0x449/0x710 [ 2870.894951][ T74] netlink_sendmsg+0x723/0xbe0 [ 2870.894951][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2870.894951][ T74] ___sys_sendmsg+0xee/0x170 [ 2870.894951][ T74] __sys_sendmsg+0xcd/0x170 [ 2870.894951][ T74] do_syscall_64+0xc6/0x1e0 [ 2870.894951][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2870.894951][ T74] [ 2871.681025][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2871.681555][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2871.681555][T16070] dst_init+0x84/0x4a0 [ 2871.681555][T16070] dst_alloc+0x97/0x150 [ 2871.681555][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.681555][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.681555][T16070] ip6_pol_route+0x56f/0x840 [ 2871.681555][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2871.681555][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2871.681555][T16070] fib6_rule_lookup+0x182/0x630 [ 2871.681555][T16070] ip6_route_output_flags+0x259/0x480 [ 2871.681555][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2871.681555][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2871.681555][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2871.681555][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2871.681555][T16070] ip6_datagram_connect+0x2c/0x50 [ 2871.681555][T16070] __sys_connect+0x217/0x2a0 [ 2871.681555][T16070] __x64_sys_connect+0x72/0xb0 [ 2871.681555][T16070] [ 2871.684633][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2871.684633][T16070] dst_init+0x84/0x4a0 [ 2871.684633][T16070] dst_alloc+0x97/0x150 [ 2871.684633][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.684633][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.684633][T16070] ip6_pol_route+0x56f/0x840 [ 2871.684633][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2871.684633][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2871.684633][T16070] fib6_rule_lookup+0x182/0x630 [ 2871.684633][T16070] ip6_route_output_flags+0x259/0x480 [ 2871.684633][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2871.684633][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2871.684633][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2871.684633][T16070] __inet_stream_connect+0x272/0x9f0 [ 2871.684633][T16070] inet_stream_connect+0x57/0xa0 [ 2871.684633][T16070] __sys_connect+0x217/0x2a0 [ 2871.684633][T16070] __x64_sys_connect+0x72/0xb0 [ 2871.684633][T16070] [ 2871.687131][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.687131][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2871.687131][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2871.687131][T16070] fib6_nh_init+0xa22/0x1580 [ 2871.687131][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.687131][T16070] ip6_route_add+0x1c/0x140 [ 2871.687131][T16070] inet6_rtm_newroute+0x104/0x110 [ 2871.687131][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.687131][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.687131][T16070] netlink_unicast+0x449/0x710 [ 2871.687131][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.687131][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.687131][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.687131][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.687131][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.687131][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.687131][T16070] [ 2871.689483][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.689483][T16070] dst_init+0x84/0x4a0 [ 2871.689483][T16070] dst_alloc+0x97/0x150 [ 2871.689483][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.689483][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.689483][T16070] ip6_pol_route+0x56f/0x840 [ 2871.689483][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2871.689483][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2871.689483][T16070] fib6_rule_lookup+0x182/0x630 [ 2871.689483][T16070] ip6_route_input+0x59c/0xa50 [ 2871.689483][T16070] ipv6_rcv+0x397/0x810 [ 2871.689483][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2871.689483][T16070] process_backlog+0x101/0x620 [ 2871.689483][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2871.689483][T16070] net_rx_action+0x495/0xbe0 [ 2871.689483][T16070] __do_softirq+0x1b5/0x7f6 [ 2871.689483][T16070] [ 2871.691777][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.691777][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.691777][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.691777][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.691777][T16070] ip6_route_add+0x1c/0x140 [ 2871.691777][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2871.691777][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2871.691777][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2871.691777][T16070] addrconf_dad_begin+0x310/0x670 [ 2871.691777][T16070] addrconf_dad_work+0x10b/0xab0 [ 2871.691777][T16070] process_one_work+0x84d/0x18a0 [ 2871.691777][T16070] worker_thread+0x587/0xd30 [ 2871.691777][T16070] kthread+0x28a/0x350 [ 2871.691777][T16070] ret_from_fork+0x31/0x70 [ 2871.691777][T16070] ret_from_fork_asm+0x1a/0x30 [ 2871.691777][T16070] [ 2871.694380][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.694380][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.694380][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.694380][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.694380][T16070] ip6_route_add+0x1c/0x140 [ 2871.694380][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2871.694380][T16070] inet6_addr_add+0x4f8/0xa40 [ 2871.694380][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.694380][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.694380][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.694380][T16070] netlink_unicast+0x449/0x710 [ 2871.694380][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.694380][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.694380][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.694380][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.694380][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.694380][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.694380][T16070] [ 2871.696857][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.696857][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.696857][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.696857][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.696857][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2871.696857][T16070] ipv6_add_addr+0x411/0x2000 [ 2871.696857][T16070] inet6_addr_add+0x30e/0xa40 [ 2871.696857][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.696857][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.696857][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.696857][T16070] netlink_unicast+0x449/0x710 [ 2871.696857][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.696857][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.696857][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.696857][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.696857][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.696857][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.696857][T16070] [ 2871.699338][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.699338][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.699338][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.699338][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.699338][T16070] ip6_route_add+0x1c/0x140 [ 2871.699338][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.699338][T16070] addrconf_add_dev+0xe2/0x170 [ 2871.699338][T16070] inet6_addr_add+0x12f/0xa40 [ 2871.699338][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.699338][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.699338][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.699338][T16070] netlink_unicast+0x449/0x710 [ 2871.699338][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.699338][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.699338][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.699338][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.699338][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.699338][T16070] [ 2871.701785][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.701785][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2871.701785][T16070] ipv6_find_idev+0x102/0x170 [ 2871.701785][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.701785][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.701785][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.701785][T16070] netlink_unicast+0x449/0x710 [ 2871.701785][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.701785][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.701785][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.701785][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.701785][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.701785][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.701785][T16070] [ 2871.703794][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2871.703794][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2871.703794][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2871.703794][T16070] ipv6_find_idev+0x102/0x170 [ 2871.703794][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.703794][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.703794][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.703794][T16070] netlink_unicast+0x449/0x710 [ 2871.703794][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.703794][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.703794][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.703794][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.703794][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.703794][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.703794][T16070] [ 2871.705890][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2871.706230][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2871.706230][T16070] dst_init+0x84/0x4a0 [ 2871.706230][T16070] dst_alloc+0x97/0x150 [ 2871.706230][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.706230][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.706230][T16070] ip6_pol_route+0x56f/0x840 [ 2871.706230][T16070] fib6_rule_lookup+0x334/0x630 [ 2871.706230][T16070] ip6_route_output_flags+0x259/0x480 [ 2871.706230][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2871.706230][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2871.706230][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2871.706230][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2871.706230][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2871.706230][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.706230][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.706230][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.706230][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.706230][T16070] [ 2871.708725][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.708725][T16070] dst_init+0x84/0x4a0 [ 2871.708725][T16070] dst_alloc+0x97/0x150 [ 2871.708725][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.708725][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.708725][T16070] ip6_pol_route+0x56f/0x840 [ 2871.708725][T16070] fib6_rule_lookup+0x334/0x630 [ 2871.708725][T16070] ip6_route_output_flags+0x259/0x480 [ 2871.708725][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2871.708725][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2871.708725][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2871.708725][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2871.708725][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2871.708725][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2871.708725][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2871.708725][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2871.708725][T16070] ip6_input_finish+0x120/0x260 [ 2871.708725][T16070] [ 2871.711236][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.711236][T16070] dst_init+0x84/0x4a0 [ 2871.711236][T16070] dst_alloc+0x97/0x150 [ 2871.711236][T16070] ip6_dst_alloc+0x23/0x90 [ 2871.711236][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2871.711236][T16070] ip6_pol_route+0x56f/0x840 [ 2871.711236][T16070] fib6_rule_lookup+0x456/0x630 [ 2871.711236][T16070] ip6_route_input+0x59c/0xa50 [ 2871.711236][T16070] ipv6_rcv+0x397/0x810 [ 2871.711236][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2871.711236][T16070] process_backlog+0x101/0x620 [ 2871.711236][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2871.711236][T16070] net_rx_action+0x495/0xbe0 [ 2871.711236][T16070] __do_softirq+0x1b5/0x7f6 [ 2871.711236][T16070] [ 2871.713268][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.713268][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.713268][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.713268][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.713268][T16070] ip6_route_add+0x1c/0x140 [ 2871.713268][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2871.713268][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2871.713268][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2871.713268][T16070] addrconf_dad_begin+0x310/0x670 [ 2871.713268][T16070] addrconf_dad_work+0x10b/0xab0 [ 2871.713268][T16070] process_one_work+0x84d/0x18a0 [ 2871.713268][T16070] worker_thread+0x587/0xd30 [ 2871.713268][T16070] kthread+0x28a/0x350 [ 2871.713268][T16070] ret_from_fork+0x31/0x70 [ 2871.713268][T16070] ret_from_fork_asm+0x1a/0x30 [ 2871.713268][T16070] [ 2871.715726][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.715726][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.715726][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.715726][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.715726][T16070] ip6_route_add+0x1c/0x140 [ 2871.715726][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2871.715726][T16070] inet6_addr_add+0x4f8/0xa40 [ 2871.715726][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.715726][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.715726][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.715726][T16070] netlink_unicast+0x449/0x710 [ 2871.715726][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.715726][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.715726][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.715726][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.715726][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.715726][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.715726][T16070] [ 2871.718602][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.718602][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.718602][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.718602][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.718602][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2871.718602][T16070] ipv6_add_addr+0x411/0x2000 [ 2871.718602][T16070] inet6_addr_add+0x30e/0xa40 [ 2871.718602][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.718602][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.718602][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.718602][T16070] netlink_unicast+0x449/0x710 [ 2871.718602][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.718602][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.718602][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.718602][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.718602][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.718602][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.718602][T16070] [ 2871.721378][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.721378][T16070] netdev_get_by_index+0x5e/0x80 [ 2871.721378][T16070] fib6_nh_init+0x3d8/0x1580 [ 2871.721378][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2871.721378][T16070] ip6_route_add+0x1c/0x140 [ 2871.721378][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2871.721378][T16070] addrconf_add_dev+0xe2/0x170 [ 2871.721378][T16070] inet6_addr_add+0x12f/0xa40 [ 2871.721378][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2871.721378][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.721378][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.721378][T16070] netlink_unicast+0x449/0x710 [ 2871.721378][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.721378][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.721378][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.721378][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.721378][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.721378][T16070] [ 2871.724033][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.724033][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2871.724033][T16070] ipv6_find_idev+0x102/0x170 [ 2871.724033][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.724033][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.724033][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.724033][T16070] netlink_unicast+0x449/0x710 [ 2871.724033][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.724033][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.724033][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.724033][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.724033][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.724033][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.724033][T16070] [ 2871.726183][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2871.726183][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2871.726183][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2871.726183][T16070] ipv6_find_idev+0x102/0x170 [ 2871.726183][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2871.726183][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2871.726183][T16070] netlink_rcv_skb+0x130/0x360 [ 2871.726183][T16070] netlink_unicast+0x449/0x710 [ 2871.726183][T16070] netlink_sendmsg+0x723/0xbe0 [ 2871.726183][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2871.726183][T16070] ___sys_sendmsg+0xee/0x170 [ 2871.726183][T16070] __sys_sendmsg+0xcd/0x170 [ 2871.726183][T16070] do_syscall_64+0xc6/0x1e0 [ 2871.726183][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2871.726183][T16070] [ 2881.152903][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2881.153360][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.153360][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.153360][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.153360][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.153360][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.153360][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.153360][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.153360][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.153360][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.153360][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.153360][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.153360][ T74] process_one_work+0x84d/0x18a0 [ 2881.153360][ T74] worker_thread+0x587/0xd30 [ 2881.153360][ T74] kthread+0x28a/0x350 [ 2881.153360][ T74] ret_from_fork+0x31/0x70 [ 2881.153360][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.153360][ T74] [ 2881.155316][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.155316][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.155316][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.155316][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.155316][ T74] ip6_route_add+0x1c/0x140 [ 2881.155316][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.155316][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.155316][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.155316][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.155316][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.155316][ T74] netlink_unicast+0x449/0x710 [ 2881.155316][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.155316][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.155316][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.155316][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.155316][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.155316][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.155316][ T74] [ 2881.157334][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.157334][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.157334][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.157334][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.157334][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.157334][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.157334][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.157334][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.157334][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.157334][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.157334][ T74] netlink_unicast+0x449/0x710 [ 2881.157334][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.157334][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.157334][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.157334][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.157334][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.157334][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.157334][ T74] [ 2881.159353][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.159353][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.159353][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.159353][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.159353][ T74] ip6_route_add+0x1c/0x140 [ 2881.159353][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.159353][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.159353][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.159353][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.159353][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.159353][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.159353][ T74] netlink_unicast+0x449/0x710 [ 2881.159353][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.159353][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.159353][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.159353][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.159353][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.159353][ T74] [ 2881.161343][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.161343][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.161343][ T74] ipv6_find_idev+0x102/0x170 [ 2881.161343][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.161343][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.161343][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.161343][ T74] netlink_unicast+0x449/0x710 [ 2881.161343][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.161343][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.161343][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.161343][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.161343][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.161343][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.161343][ T74] [ 2881.162904][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2881.162904][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.162904][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.162904][ T74] ipv6_find_idev+0x102/0x170 [ 2881.162904][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.162904][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.162904][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.162904][ T74] netlink_unicast+0x449/0x710 [ 2881.162904][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.162904][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.162904][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.162904][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.162904][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.162904][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.162904][ T74] [ 2881.164639][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2881.164901][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.164901][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.164901][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.164901][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.164901][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.164901][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.164901][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.164901][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.164901][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.164901][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.164901][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.164901][ T74] process_one_work+0x84d/0x18a0 [ 2881.164901][ T74] worker_thread+0x587/0xd30 [ 2881.164901][ T74] kthread+0x28a/0x350 [ 2881.164901][ T74] ret_from_fork+0x31/0x70 [ 2881.164901][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.164901][ T74] [ 2881.166838][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.166838][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.166838][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.166838][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.166838][ T74] ip6_route_add+0x1c/0x140 [ 2881.166838][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.166838][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.166838][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.166838][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.166838][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.166838][ T74] netlink_unicast+0x449/0x710 [ 2881.166838][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.166838][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.166838][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.166838][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.166838][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.166838][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.166838][ T74] [ 2881.168867][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.168867][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.168867][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.168867][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.168867][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.168867][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.168867][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.168867][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.168867][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.168867][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.168867][ T74] netlink_unicast+0x449/0x710 [ 2881.168867][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.168867][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.168867][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.168867][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.168867][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.168867][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.168867][ T74] [ 2881.170891][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.170891][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.170891][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.170891][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.170891][ T74] ip6_route_add+0x1c/0x140 [ 2881.170891][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.170891][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.170891][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.170891][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.170891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.170891][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.170891][ T74] netlink_unicast+0x449/0x710 [ 2881.170891][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.170891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.170891][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.170891][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.170891][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.170891][ T74] [ 2881.172880][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.172880][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.172880][ T74] ipv6_find_idev+0x102/0x170 [ 2881.172880][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.172880][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.172880][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.172880][ T74] netlink_unicast+0x449/0x710 [ 2881.172880][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.172880][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.172880][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.172880][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.172880][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.172880][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.172880][ T74] [ 2881.174438][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2881.174438][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.174438][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.174438][ T74] ipv6_find_idev+0x102/0x170 [ 2881.174438][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.174438][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.174438][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.174438][ T74] netlink_unicast+0x449/0x710 [ 2881.174438][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.174438][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.174438][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.174438][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.174438][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.174438][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.174438][ T74] [ 2881.176162][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2881.176404][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.176404][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.176404][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.176404][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.176404][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.176404][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.176404][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.176404][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.176404][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.176404][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.176404][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.176404][ T74] process_one_work+0x84d/0x18a0 [ 2881.176404][ T74] worker_thread+0x587/0xd30 [ 2881.176404][ T74] kthread+0x28a/0x350 [ 2881.176404][ T74] ret_from_fork+0x31/0x70 [ 2881.176404][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.176404][ T74] [ 2881.178346][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.178346][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.178346][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.178346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.178346][ T74] ip6_route_add+0x1c/0x140 [ 2881.178346][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.178346][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.178346][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.178346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.178346][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.178346][ T74] netlink_unicast+0x449/0x710 [ 2881.178346][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.178346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.178346][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.178346][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.178346][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.178346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.178346][ T74] [ 2881.180617][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.180617][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.180617][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.180617][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.180617][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.180617][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.180617][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.180617][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.180617][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.180617][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.180617][ T74] netlink_unicast+0x449/0x710 [ 2881.180617][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.180617][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.180617][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.180617][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.180617][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.180617][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.180617][ T74] [ 2881.182724][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.182724][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.182724][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.182724][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.182724][ T74] ip6_route_add+0x1c/0x140 [ 2881.182724][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.182724][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.182724][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.182724][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.182724][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.182724][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.182724][ T74] netlink_unicast+0x449/0x710 [ 2881.182724][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.182724][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.182724][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.182724][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.182724][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.182724][ T74] [ 2881.184891][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.184891][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.184891][ T74] ipv6_find_idev+0x102/0x170 [ 2881.184891][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.184891][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.184891][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.184891][ T74] netlink_unicast+0x449/0x710 [ 2881.184891][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.184891][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.184891][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.184891][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.184891][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.184891][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.184891][ T74] [ 2881.186605][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2881.186605][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.186605][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.186605][ T74] ipv6_find_idev+0x102/0x170 [ 2881.186605][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.186605][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.186605][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.186605][ T74] netlink_unicast+0x449/0x710 [ 2881.186605][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.186605][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.186605][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.186605][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.186605][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.186605][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.186605][ T74] [ 2881.188399][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2881.188707][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.188707][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.188707][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.188707][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.188707][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2881.188707][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2881.188707][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2881.188707][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2881.188707][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2881.188707][ T74] addrconf_dad_begin+0x310/0x670 [ 2881.188707][ T74] addrconf_dad_work+0x10b/0xab0 [ 2881.188707][ T74] process_one_work+0x84d/0x18a0 [ 2881.188707][ T74] worker_thread+0x587/0xd30 [ 2881.188707][ T74] kthread+0x28a/0x350 [ 2881.188707][ T74] ret_from_fork+0x31/0x70 [ 2881.188707][ T74] ret_from_fork_asm+0x1a/0x30 [ 2881.188707][ T74] [ 2881.190821][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.190821][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.190821][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.190821][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.190821][ T74] ip6_route_add+0x1c/0x140 [ 2881.190821][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2881.190821][ T74] inet6_addr_add+0x4f8/0xa40 [ 2881.190821][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.190821][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.190821][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.190821][ T74] netlink_unicast+0x449/0x710 [ 2881.190821][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.190821][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.190821][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.190821][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.190821][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.190821][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.190821][ T74] [ 2881.193076][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.193076][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.193076][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.193076][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.193076][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2881.193076][ T74] ipv6_add_addr+0x411/0x2000 [ 2881.193076][ T74] inet6_addr_add+0x30e/0xa40 [ 2881.193076][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.193076][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.193076][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.193076][ T74] netlink_unicast+0x449/0x710 [ 2881.193076][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.193076][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.193076][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.193076][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.193076][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.193076][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.193076][ T74] [ 2881.195339][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.195339][ T74] netdev_get_by_index+0x5e/0x80 [ 2881.195339][ T74] fib6_nh_init+0x3d8/0x1580 [ 2881.195339][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2881.195339][ T74] ip6_route_add+0x1c/0x140 [ 2881.195339][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.195339][ T74] addrconf_add_dev+0xe2/0x170 [ 2881.195339][ T74] inet6_addr_add+0x12f/0xa40 [ 2881.195339][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.195339][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.195339][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.195339][ T74] netlink_unicast+0x449/0x710 [ 2881.195339][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.195339][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.195339][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.195339][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.195339][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.195339][ T74] [ 2881.197618][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.197618][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2881.197618][ T74] ipv6_find_idev+0x102/0x170 [ 2881.197618][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.197618][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.197618][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.197618][ T74] netlink_unicast+0x449/0x710 [ 2881.197618][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.197618][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.197618][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.197618][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.197618][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.197618][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.197618][ T74] [ 2881.199429][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2881.199429][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2881.199429][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2881.199429][ T74] ipv6_find_idev+0x102/0x170 [ 2881.199429][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.199429][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.199429][ T74] netlink_rcv_skb+0x130/0x360 [ 2881.199429][ T74] netlink_unicast+0x449/0x710 [ 2881.199429][ T74] netlink_sendmsg+0x723/0xbe0 [ 2881.199429][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2881.199429][ T74] ___sys_sendmsg+0xee/0x170 [ 2881.199429][ T74] __sys_sendmsg+0xcd/0x170 [ 2881.199429][ T74] do_syscall_64+0xc6/0x1e0 [ 2881.199429][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.199429][ T74] [ 2881.808865][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2881.809368][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2881.809368][T16070] dst_init+0x84/0x4a0 [ 2881.809368][T16070] dst_alloc+0x97/0x150 [ 2881.809368][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.809368][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.809368][T16070] ip6_pol_route+0x56f/0x840 [ 2881.809368][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2881.809368][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2881.809368][T16070] fib6_rule_lookup+0x182/0x630 [ 2881.809368][T16070] ip6_route_output_flags+0x259/0x480 [ 2881.809368][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2881.809368][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2881.809368][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2881.809368][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2881.809368][T16070] ip6_datagram_connect+0x2c/0x50 [ 2881.809368][T16070] __sys_connect+0x217/0x2a0 [ 2881.809368][T16070] __x64_sys_connect+0x72/0xb0 [ 2881.809368][T16070] [ 2881.811919][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2881.811919][T16070] dst_init+0x84/0x4a0 [ 2881.811919][T16070] dst_alloc+0x97/0x150 [ 2881.811919][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.811919][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.811919][T16070] ip6_pol_route+0x56f/0x840 [ 2881.811919][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2881.811919][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2881.811919][T16070] fib6_rule_lookup+0x182/0x630 [ 2881.811919][T16070] ip6_route_output_flags+0x259/0x480 [ 2881.811919][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2881.811919][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2881.811919][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2881.811919][T16070] __inet_stream_connect+0x272/0x9f0 [ 2881.811919][T16070] inet_stream_connect+0x57/0xa0 [ 2881.811919][T16070] __sys_connect+0x217/0x2a0 [ 2881.811919][T16070] __x64_sys_connect+0x72/0xb0 [ 2881.811919][T16070] [ 2881.814405][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.814405][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2881.814405][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2881.814405][T16070] fib6_nh_init+0xa22/0x1580 [ 2881.814405][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.814405][T16070] ip6_route_add+0x1c/0x140 [ 2881.814405][T16070] inet6_rtm_newroute+0x104/0x110 [ 2881.814405][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.814405][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.814405][T16070] netlink_unicast+0x449/0x710 [ 2881.814405][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.814405][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.814405][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.814405][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.814405][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.814405][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.814405][T16070] [ 2881.816722][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.816722][T16070] dst_init+0x84/0x4a0 [ 2881.816722][T16070] dst_alloc+0x97/0x150 [ 2881.816722][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.816722][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.816722][T16070] ip6_pol_route+0x56f/0x840 [ 2881.816722][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2881.816722][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2881.816722][T16070] fib6_rule_lookup+0x182/0x630 [ 2881.816722][T16070] ip6_route_input+0x59c/0xa50 [ 2881.816722][T16070] ipv6_rcv+0x397/0x810 [ 2881.816722][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.816722][T16070] process_backlog+0x101/0x620 [ 2881.816722][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2881.816722][T16070] net_rx_action+0x495/0xbe0 [ 2881.816722][T16070] __do_softirq+0x1b5/0x7f6 [ 2881.816722][T16070] [ 2881.819021][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.819021][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.819021][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.819021][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.819021][T16070] ip6_route_add+0x1c/0x140 [ 2881.819021][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2881.819021][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2881.819021][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2881.819021][T16070] addrconf_dad_begin+0x310/0x670 [ 2881.819021][T16070] addrconf_dad_work+0x10b/0xab0 [ 2881.819021][T16070] process_one_work+0x84d/0x18a0 [ 2881.819021][T16070] worker_thread+0x587/0xd30 [ 2881.819021][T16070] kthread+0x28a/0x350 [ 2881.819021][T16070] ret_from_fork+0x31/0x70 [ 2881.819021][T16070] ret_from_fork_asm+0x1a/0x30 [ 2881.819021][T16070] [ 2881.821234][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.821234][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.821234][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.821234][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.821234][T16070] ip6_route_add+0x1c/0x140 [ 2881.821234][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2881.821234][T16070] inet6_addr_add+0x4f8/0xa40 [ 2881.821234][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.821234][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.821234][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.821234][T16070] netlink_unicast+0x449/0x710 [ 2881.821234][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.821234][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.821234][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.821234][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.821234][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.821234][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.821234][T16070] [ 2881.823715][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.823715][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.823715][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.823715][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.823715][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2881.823715][T16070] ipv6_add_addr+0x411/0x2000 [ 2881.823715][T16070] inet6_addr_add+0x30e/0xa40 [ 2881.823715][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.823715][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.823715][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.823715][T16070] netlink_unicast+0x449/0x710 [ 2881.823715][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.823715][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.823715][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.823715][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.823715][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.823715][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.823715][T16070] [ 2881.826181][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.826181][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.826181][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.826181][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.826181][T16070] ip6_route_add+0x1c/0x140 [ 2881.826181][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.826181][T16070] addrconf_add_dev+0xe2/0x170 [ 2881.826181][T16070] inet6_addr_add+0x12f/0xa40 [ 2881.826181][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.826181][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.826181][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.826181][T16070] netlink_unicast+0x449/0x710 [ 2881.826181][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.826181][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.826181][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.826181][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.826181][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.826181][T16070] [ 2881.828604][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.828604][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2881.828604][T16070] ipv6_find_idev+0x102/0x170 [ 2881.828604][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.828604][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.828604][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.828604][T16070] netlink_unicast+0x449/0x710 [ 2881.828604][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.828604][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.828604][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.828604][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.828604][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.828604][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.828604][T16070] [ 2881.830508][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2881.830508][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2881.830508][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2881.830508][T16070] ipv6_find_idev+0x102/0x170 [ 2881.830508][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.830508][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.830508][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.830508][T16070] netlink_unicast+0x449/0x710 [ 2881.830508][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.830508][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.830508][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.830508][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.830508][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.830508][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.830508][T16070] [ 2881.832591][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2881.832934][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2881.832934][T16070] dst_init+0x84/0x4a0 [ 2881.832934][T16070] dst_alloc+0x97/0x150 [ 2881.832934][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.832934][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.832934][T16070] ip6_pol_route+0x56f/0x840 [ 2881.832934][T16070] fib6_rule_lookup+0x334/0x630 [ 2881.832934][T16070] ip6_route_output_flags+0x259/0x480 [ 2881.832934][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2881.832934][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2881.832934][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2881.832934][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2881.832934][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2881.832934][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.832934][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.832934][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.832934][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.832934][T16070] [ 2881.835788][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.835788][T16070] dst_init+0x84/0x4a0 [ 2881.835788][T16070] dst_alloc+0x97/0x150 [ 2881.835788][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.835788][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.835788][T16070] ip6_pol_route+0x56f/0x840 [ 2881.835788][T16070] fib6_rule_lookup+0x334/0x630 [ 2881.835788][T16070] ip6_route_output_flags+0x259/0x480 [ 2881.835788][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2881.835788][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2881.835788][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2881.835788][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2881.835788][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2881.835788][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2881.835788][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2881.835788][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2881.835788][T16070] ip6_input_finish+0x120/0x260 [ 2881.835788][T16070] [ 2881.838331][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.838331][T16070] dst_init+0x84/0x4a0 [ 2881.838331][T16070] dst_alloc+0x97/0x150 [ 2881.838331][T16070] ip6_dst_alloc+0x23/0x90 [ 2881.838331][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2881.838331][T16070] ip6_pol_route+0x56f/0x840 [ 2881.838331][T16070] fib6_rule_lookup+0x456/0x630 [ 2881.838331][T16070] ip6_route_input+0x59c/0xa50 [ 2881.838331][T16070] ipv6_rcv+0x397/0x810 [ 2881.838331][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2881.838331][T16070] process_backlog+0x101/0x620 [ 2881.838331][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2881.838331][T16070] net_rx_action+0x495/0xbe0 [ 2881.838331][T16070] __do_softirq+0x1b5/0x7f6 [ 2881.838331][T16070] [ 2881.840352][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.840352][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.840352][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.840352][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.840352][T16070] ip6_route_add+0x1c/0x140 [ 2881.840352][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2881.840352][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2881.840352][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2881.840352][T16070] addrconf_dad_begin+0x310/0x670 [ 2881.840352][T16070] addrconf_dad_work+0x10b/0xab0 [ 2881.840352][T16070] process_one_work+0x84d/0x18a0 [ 2881.840352][T16070] worker_thread+0x587/0xd30 [ 2881.840352][T16070] kthread+0x28a/0x350 [ 2881.840352][T16070] ret_from_fork+0x31/0x70 [ 2881.840352][T16070] ret_from_fork_asm+0x1a/0x30 [ 2881.840352][T16070] [ 2881.842797][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.842797][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.842797][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.842797][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.842797][T16070] ip6_route_add+0x1c/0x140 [ 2881.842797][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2881.842797][T16070] inet6_addr_add+0x4f8/0xa40 [ 2881.842797][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.842797][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.842797][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.842797][T16070] netlink_unicast+0x449/0x710 [ 2881.842797][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.842797][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.842797][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.842797][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.842797][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.842797][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.842797][T16070] [ 2881.845578][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.845578][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.845578][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.845578][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.845578][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2881.845578][T16070] ipv6_add_addr+0x411/0x2000 [ 2881.845578][T16070] inet6_addr_add+0x30e/0xa40 [ 2881.845578][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.845578][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.845578][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.845578][T16070] netlink_unicast+0x449/0x710 [ 2881.845578][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.845578][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.845578][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.845578][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.845578][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.845578][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.845578][T16070] [ 2881.848365][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.848365][T16070] netdev_get_by_index+0x5e/0x80 [ 2881.848365][T16070] fib6_nh_init+0x3d8/0x1580 [ 2881.848365][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2881.848365][T16070] ip6_route_add+0x1c/0x140 [ 2881.848365][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2881.848365][T16070] addrconf_add_dev+0xe2/0x170 [ 2881.848365][T16070] inet6_addr_add+0x12f/0xa40 [ 2881.848365][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2881.848365][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.848365][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.848365][T16070] netlink_unicast+0x449/0x710 [ 2881.848365][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.848365][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.848365][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.848365][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.848365][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.848365][T16070] [ 2881.851024][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.851024][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2881.851024][T16070] ipv6_find_idev+0x102/0x170 [ 2881.851024][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.851024][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.851024][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.851024][T16070] netlink_unicast+0x449/0x710 [ 2881.851024][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.851024][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.851024][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.851024][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.851024][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.851024][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.851024][T16070] [ 2881.853232][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2881.853232][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2881.853232][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2881.853232][T16070] ipv6_find_idev+0x102/0x170 [ 2881.853232][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2881.853232][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2881.853232][T16070] netlink_rcv_skb+0x130/0x360 [ 2881.853232][T16070] netlink_unicast+0x449/0x710 [ 2881.853232][T16070] netlink_sendmsg+0x723/0xbe0 [ 2881.853232][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2881.853232][T16070] ___sys_sendmsg+0xee/0x170 [ 2881.853232][T16070] __sys_sendmsg+0xcd/0x170 [ 2881.853232][T16070] do_syscall_64+0xc6/0x1e0 [ 2881.853232][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2881.853232][T16070] [ 2891.456944][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2891.457346][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.457346][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.457346][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.457346][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.457346][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.457346][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.457346][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.457346][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.457346][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.457346][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.457346][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.457346][ T74] process_one_work+0x84d/0x18a0 [ 2891.457346][ T74] worker_thread+0x587/0xd30 [ 2891.457346][ T74] kthread+0x28a/0x350 [ 2891.457346][ T74] ret_from_fork+0x31/0x70 [ 2891.457346][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.457346][ T74] [ 2891.459304][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.459304][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.459304][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.459304][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.459304][ T74] ip6_route_add+0x1c/0x140 [ 2891.459304][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.459304][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.459304][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.459304][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.459304][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.459304][ T74] netlink_unicast+0x449/0x710 [ 2891.459304][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.459304][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.459304][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.459304][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.459304][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.459304][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.459304][ T74] [ 2891.461806][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.461806][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.461806][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.461806][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.461806][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.461806][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.461806][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.461806][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.461806][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.461806][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.461806][ T74] netlink_unicast+0x449/0x710 [ 2891.461806][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.461806][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.461806][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.461806][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.461806][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.461806][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.461806][ T74] [ 2891.463792][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.463792][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.463792][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.463792][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.463792][ T74] ip6_route_add+0x1c/0x140 [ 2891.463792][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.463792][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.463792][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.463792][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.463792][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.463792][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.463792][ T74] netlink_unicast+0x449/0x710 [ 2891.463792][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.463792][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.463792][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.463792][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.463792][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.463792][ T74] [ 2891.465784][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.465784][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.465784][ T74] ipv6_find_idev+0x102/0x170 [ 2891.465784][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.465784][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.465784][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.465784][ T74] netlink_unicast+0x449/0x710 [ 2891.465784][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.465784][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.465784][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.465784][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.465784][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.465784][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.465784][ T74] [ 2891.467321][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2891.467321][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.467321][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.467321][ T74] ipv6_find_idev+0x102/0x170 [ 2891.467321][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.467321][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.467321][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.467321][ T74] netlink_unicast+0x449/0x710 [ 2891.467321][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.467321][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.467321][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.467321][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.467321][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.467321][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.467321][ T74] [ 2891.469015][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2891.469251][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.469251][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.469251][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.469251][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.469251][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.469251][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.469251][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.469251][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.469251][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.469251][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.469251][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.469251][ T74] process_one_work+0x84d/0x18a0 [ 2891.469251][ T74] worker_thread+0x587/0xd30 [ 2891.469251][ T74] kthread+0x28a/0x350 [ 2891.469251][ T74] ret_from_fork+0x31/0x70 [ 2891.469251][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.469251][ T74] [ 2891.471161][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.471161][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.471161][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.471161][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.471161][ T74] ip6_route_add+0x1c/0x140 [ 2891.471161][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.471161][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.471161][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.471161][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.471161][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.471161][ T74] netlink_unicast+0x449/0x710 [ 2891.471161][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.471161][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.471161][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.471161][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.471161][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.471161][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.471161][ T74] [ 2891.473152][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.473152][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.473152][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.473152][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.473152][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.473152][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.473152][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.473152][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.473152][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.473152][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.473152][ T74] netlink_unicast+0x449/0x710 [ 2891.473152][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.473152][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.473152][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.473152][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.473152][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.473152][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.473152][ T74] [ 2891.475132][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.475132][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.475132][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.475132][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.475132][ T74] ip6_route_add+0x1c/0x140 [ 2891.475132][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.475132][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.475132][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.475132][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.475132][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.475132][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.475132][ T74] netlink_unicast+0x449/0x710 [ 2891.475132][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.475132][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.475132][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.475132][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.475132][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.475132][ T74] [ 2891.477079][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.477079][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.477079][ T74] ipv6_find_idev+0x102/0x170 [ 2891.477079][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.477079][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.477079][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.477079][ T74] netlink_unicast+0x449/0x710 [ 2891.477079][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.477079][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.477079][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.477079][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.477079][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.477079][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.477079][ T74] [ 2891.478621][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2891.478621][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.478621][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.478621][ T74] ipv6_find_idev+0x102/0x170 [ 2891.478621][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.478621][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.478621][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.478621][ T74] netlink_unicast+0x449/0x710 [ 2891.478621][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.478621][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.478621][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.478621][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.478621][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.478621][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.478621][ T74] [ 2891.480303][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2891.480542][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.480542][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.480542][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.480542][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.480542][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.480542][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.480542][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.480542][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.480542][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.480542][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.480542][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.480542][ T74] process_one_work+0x84d/0x18a0 [ 2891.480542][ T74] worker_thread+0x587/0xd30 [ 2891.480542][ T74] kthread+0x28a/0x350 [ 2891.480542][ T74] ret_from_fork+0x31/0x70 [ 2891.480542][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.480542][ T74] [ 2891.482443][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.482443][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.482443][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.482443][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.482443][ T74] ip6_route_add+0x1c/0x140 [ 2891.482443][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.482443][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.482443][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.482443][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.482443][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.482443][ T74] netlink_unicast+0x449/0x710 [ 2891.482443][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.482443][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.482443][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.482443][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.482443][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.482443][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.482443][ T74] [ 2891.484993][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.484993][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.484993][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.484993][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.484993][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.484993][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.484993][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.484993][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.484993][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.484993][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.484993][ T74] netlink_unicast+0x449/0x710 [ 2891.484993][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.484993][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.484993][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.484993][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.484993][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.484993][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.484993][ T74] [ 2891.487289][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.487289][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.487289][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.487289][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.487289][ T74] ip6_route_add+0x1c/0x140 [ 2891.487289][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.487289][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.487289][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.487289][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.487289][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.487289][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.487289][ T74] netlink_unicast+0x449/0x710 [ 2891.487289][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.487289][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.487289][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.487289][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.487289][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.487289][ T74] [ 2891.489526][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.489526][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.489526][ T74] ipv6_find_idev+0x102/0x170 [ 2891.489526][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.489526][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.489526][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.489526][ T74] netlink_unicast+0x449/0x710 [ 2891.489526][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.489526][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.489526][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.489526][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.489526][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.489526][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.489526][ T74] [ 2891.491147][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2891.491147][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.491147][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.491147][ T74] ipv6_find_idev+0x102/0x170 [ 2891.491147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.491147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.491147][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.491147][ T74] netlink_unicast+0x449/0x710 [ 2891.491147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.491147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.491147][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.491147][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.491147][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.491147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.491147][ T74] [ 2891.492993][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2891.493228][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.493228][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.493228][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.493228][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.493228][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2891.493228][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2891.493228][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2891.493228][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2891.493228][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2891.493228][ T74] addrconf_dad_begin+0x310/0x670 [ 2891.493228][ T74] addrconf_dad_work+0x10b/0xab0 [ 2891.493228][ T74] process_one_work+0x84d/0x18a0 [ 2891.493228][ T74] worker_thread+0x587/0xd30 [ 2891.493228][ T74] kthread+0x28a/0x350 [ 2891.493228][ T74] ret_from_fork+0x31/0x70 [ 2891.493228][ T74] ret_from_fork_asm+0x1a/0x30 [ 2891.493228][ T74] [ 2891.495358][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.495358][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.495358][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.495358][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.495358][ T74] ip6_route_add+0x1c/0x140 [ 2891.495358][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2891.495358][ T74] inet6_addr_add+0x4f8/0xa40 [ 2891.495358][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.495358][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.495358][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.495358][ T74] netlink_unicast+0x449/0x710 [ 2891.495358][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.495358][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.495358][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.495358][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.495358][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.495358][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.495358][ T74] [ 2891.497514][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.497514][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.497514][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.497514][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.497514][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2891.497514][ T74] ipv6_add_addr+0x411/0x2000 [ 2891.497514][ T74] inet6_addr_add+0x30e/0xa40 [ 2891.497514][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.497514][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.497514][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.497514][ T74] netlink_unicast+0x449/0x710 [ 2891.497514][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.497514][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.497514][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.497514][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.497514][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.497514][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.497514][ T74] [ 2891.499683][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.499683][ T74] netdev_get_by_index+0x5e/0x80 [ 2891.499683][ T74] fib6_nh_init+0x3d8/0x1580 [ 2891.499683][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2891.499683][ T74] ip6_route_add+0x1c/0x140 [ 2891.499683][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2891.499683][ T74] addrconf_add_dev+0xe2/0x170 [ 2891.499683][ T74] inet6_addr_add+0x12f/0xa40 [ 2891.499683][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2891.499683][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.499683][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.499683][ T74] netlink_unicast+0x449/0x710 [ 2891.499683][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.499683][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.499683][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.499683][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.499683][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.499683][ T74] [ 2891.501739][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.501739][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2891.501739][ T74] ipv6_find_idev+0x102/0x170 [ 2891.501739][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.501739][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.501739][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.501739][ T74] netlink_unicast+0x449/0x710 [ 2891.501739][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.501739][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.501739][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.501739][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.501739][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.501739][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.501739][ T74] [ 2891.503434][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2891.503434][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2891.503434][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2891.503434][ T74] ipv6_find_idev+0x102/0x170 [ 2891.503434][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2891.503434][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2891.503434][ T74] netlink_rcv_skb+0x130/0x360 [ 2891.503434][ T74] netlink_unicast+0x449/0x710 [ 2891.503434][ T74] netlink_sendmsg+0x723/0xbe0 [ 2891.503434][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2891.503434][ T74] ___sys_sendmsg+0xee/0x170 [ 2891.503434][ T74] __sys_sendmsg+0xcd/0x170 [ 2891.503434][ T74] do_syscall_64+0xc6/0x1e0 [ 2891.503434][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2891.503434][ T74] [ 2892.096960][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2892.097465][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2892.097465][T16070] dst_init+0x84/0x4a0 [ 2892.097465][T16070] dst_alloc+0x97/0x150 [ 2892.097465][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.097465][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.097465][T16070] ip6_pol_route+0x56f/0x840 [ 2892.097465][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2892.097465][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2892.097465][T16070] fib6_rule_lookup+0x182/0x630 [ 2892.097465][T16070] ip6_route_output_flags+0x259/0x480 [ 2892.097465][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2892.097465][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2892.097465][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2892.097465][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2892.097465][T16070] ip6_datagram_connect+0x2c/0x50 [ 2892.097465][T16070] __sys_connect+0x217/0x2a0 [ 2892.097465][T16070] __x64_sys_connect+0x72/0xb0 [ 2892.097465][T16070] [ 2892.100013][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2892.100013][T16070] dst_init+0x84/0x4a0 [ 2892.100013][T16070] dst_alloc+0x97/0x150 [ 2892.100013][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.100013][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.100013][T16070] ip6_pol_route+0x56f/0x840 [ 2892.100013][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2892.100013][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2892.100013][T16070] fib6_rule_lookup+0x182/0x630 [ 2892.100013][T16070] ip6_route_output_flags+0x259/0x480 [ 2892.100013][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2892.100013][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2892.100013][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2892.100013][T16070] __inet_stream_connect+0x272/0x9f0 [ 2892.100013][T16070] inet_stream_connect+0x57/0xa0 [ 2892.100013][T16070] __sys_connect+0x217/0x2a0 [ 2892.100013][T16070] __x64_sys_connect+0x72/0xb0 [ 2892.100013][T16070] [ 2892.102621][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.102621][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2892.102621][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2892.102621][T16070] fib6_nh_init+0xa22/0x1580 [ 2892.102621][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.102621][T16070] ip6_route_add+0x1c/0x140 [ 2892.102621][T16070] inet6_rtm_newroute+0x104/0x110 [ 2892.102621][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.102621][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.102621][T16070] netlink_unicast+0x449/0x710 [ 2892.102621][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.102621][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.102621][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.102621][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.102621][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.102621][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.102621][T16070] [ 2892.104952][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.104952][T16070] dst_init+0x84/0x4a0 [ 2892.104952][T16070] dst_alloc+0x97/0x150 [ 2892.104952][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.104952][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.104952][T16070] ip6_pol_route+0x56f/0x840 [ 2892.104952][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2892.104952][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2892.104952][T16070] fib6_rule_lookup+0x182/0x630 [ 2892.104952][T16070] ip6_route_input+0x59c/0xa50 [ 2892.104952][T16070] ipv6_rcv+0x397/0x810 [ 2892.104952][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.104952][T16070] process_backlog+0x101/0x620 [ 2892.104952][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2892.104952][T16070] net_rx_action+0x495/0xbe0 [ 2892.104952][T16070] __do_softirq+0x1b5/0x7f6 [ 2892.104952][T16070] [ 2892.107252][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.107252][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.107252][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.107252][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.107252][T16070] ip6_route_add+0x1c/0x140 [ 2892.107252][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2892.107252][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2892.107252][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2892.107252][T16070] addrconf_dad_begin+0x310/0x670 [ 2892.107252][T16070] addrconf_dad_work+0x10b/0xab0 [ 2892.107252][T16070] process_one_work+0x84d/0x18a0 [ 2892.107252][T16070] worker_thread+0x587/0xd30 [ 2892.107252][T16070] kthread+0x28a/0x350 [ 2892.107252][T16070] ret_from_fork+0x31/0x70 [ 2892.107252][T16070] ret_from_fork_asm+0x1a/0x30 [ 2892.107252][T16070] [ 2892.109473][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.109473][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.109473][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.109473][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.109473][T16070] ip6_route_add+0x1c/0x140 [ 2892.109473][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2892.109473][T16070] inet6_addr_add+0x4f8/0xa40 [ 2892.109473][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.109473][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.109473][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.109473][T16070] netlink_unicast+0x449/0x710 [ 2892.109473][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.109473][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.109473][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.109473][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.109473][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.109473][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.109473][T16070] [ 2892.111976][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.111976][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.111976][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.111976][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.111976][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2892.111976][T16070] ipv6_add_addr+0x411/0x2000 [ 2892.111976][T16070] inet6_addr_add+0x30e/0xa40 [ 2892.111976][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.111976][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.111976][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.111976][T16070] netlink_unicast+0x449/0x710 [ 2892.111976][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.111976][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.111976][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.111976][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.111976][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.111976][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.111976][T16070] [ 2892.114461][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.114461][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.114461][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.114461][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.114461][T16070] ip6_route_add+0x1c/0x140 [ 2892.114461][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.114461][T16070] addrconf_add_dev+0xe2/0x170 [ 2892.114461][T16070] inet6_addr_add+0x12f/0xa40 [ 2892.114461][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.114461][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.114461][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.114461][T16070] netlink_unicast+0x449/0x710 [ 2892.114461][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.114461][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.114461][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.114461][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.114461][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.114461][T16070] [ 2892.116904][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.116904][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2892.116904][T16070] ipv6_find_idev+0x102/0x170 [ 2892.116904][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.116904][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.116904][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.116904][T16070] netlink_unicast+0x449/0x710 [ 2892.116904][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.116904][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.116904][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.116904][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.116904][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.116904][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.116904][T16070] [ 2892.118819][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2892.118819][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2892.118819][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2892.118819][T16070] ipv6_find_idev+0x102/0x170 [ 2892.118819][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.118819][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.118819][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.118819][T16070] netlink_unicast+0x449/0x710 [ 2892.118819][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.118819][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.118819][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.118819][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.118819][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.118819][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.118819][T16070] [ 2892.120930][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2892.121264][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2892.121264][T16070] dst_init+0x84/0x4a0 [ 2892.121264][T16070] dst_alloc+0x97/0x150 [ 2892.121264][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.121264][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.121264][T16070] ip6_pol_route+0x56f/0x840 [ 2892.121264][T16070] fib6_rule_lookup+0x334/0x630 [ 2892.121264][T16070] ip6_route_output_flags+0x259/0x480 [ 2892.121264][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2892.121264][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2892.121264][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2892.121264][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2892.121264][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2892.121264][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.121264][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.121264][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.121264][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.121264][T16070] [ 2892.123762][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.123762][T16070] dst_init+0x84/0x4a0 [ 2892.123762][T16070] dst_alloc+0x97/0x150 [ 2892.123762][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.123762][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.123762][T16070] ip6_pol_route+0x56f/0x840 [ 2892.123762][T16070] fib6_rule_lookup+0x334/0x630 [ 2892.123762][T16070] ip6_route_output_flags+0x259/0x480 [ 2892.123762][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2892.123762][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2892.123762][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2892.123762][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2892.123762][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2892.123762][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2892.123762][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2892.123762][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2892.123762][T16070] ip6_input_finish+0x120/0x260 [ 2892.123762][T16070] [ 2892.126267][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.126267][T16070] dst_init+0x84/0x4a0 [ 2892.126267][T16070] dst_alloc+0x97/0x150 [ 2892.126267][T16070] ip6_dst_alloc+0x23/0x90 [ 2892.126267][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2892.126267][T16070] ip6_pol_route+0x56f/0x840 [ 2892.126267][T16070] fib6_rule_lookup+0x456/0x630 [ 2892.126267][T16070] ip6_route_input+0x59c/0xa50 [ 2892.126267][T16070] ipv6_rcv+0x397/0x810 [ 2892.126267][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2892.126267][T16070] process_backlog+0x101/0x620 [ 2892.126267][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2892.126267][T16070] net_rx_action+0x495/0xbe0 [ 2892.126267][T16070] __do_softirq+0x1b5/0x7f6 [ 2892.126267][T16070] [ 2892.128288][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.128288][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.128288][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.128288][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.128288][T16070] ip6_route_add+0x1c/0x140 [ 2892.128288][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2892.128288][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2892.128288][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2892.128288][T16070] addrconf_dad_begin+0x310/0x670 [ 2892.128288][T16070] addrconf_dad_work+0x10b/0xab0 [ 2892.128288][T16070] process_one_work+0x84d/0x18a0 [ 2892.128288][T16070] worker_thread+0x587/0xd30 [ 2892.128288][T16070] kthread+0x28a/0x350 [ 2892.128288][T16070] ret_from_fork+0x31/0x70 [ 2892.128288][T16070] ret_from_fork_asm+0x1a/0x30 [ 2892.128288][T16070] [ 2892.130755][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.130755][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.130755][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.130755][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.130755][T16070] ip6_route_add+0x1c/0x140 [ 2892.130755][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2892.130755][T16070] inet6_addr_add+0x4f8/0xa40 [ 2892.130755][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.130755][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.130755][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.130755][T16070] netlink_unicast+0x449/0x710 [ 2892.130755][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.130755][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.130755][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.130755][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.130755][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.130755][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.130755][T16070] [ 2892.133628][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.133628][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.133628][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.133628][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.133628][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2892.133628][T16070] ipv6_add_addr+0x411/0x2000 [ 2892.133628][T16070] inet6_addr_add+0x30e/0xa40 [ 2892.133628][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.133628][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.133628][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.133628][T16070] netlink_unicast+0x449/0x710 [ 2892.133628][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.133628][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.133628][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.133628][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.133628][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.133628][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.133628][T16070] [ 2892.136420][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.136420][T16070] netdev_get_by_index+0x5e/0x80 [ 2892.136420][T16070] fib6_nh_init+0x3d8/0x1580 [ 2892.136420][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2892.136420][T16070] ip6_route_add+0x1c/0x140 [ 2892.136420][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2892.136420][T16070] addrconf_add_dev+0xe2/0x170 [ 2892.136420][T16070] inet6_addr_add+0x12f/0xa40 [ 2892.136420][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2892.136420][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.136420][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.136420][T16070] netlink_unicast+0x449/0x710 [ 2892.136420][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.136420][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.136420][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.136420][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.136420][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.136420][T16070] [ 2892.139197][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.139197][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2892.139197][T16070] ipv6_find_idev+0x102/0x170 [ 2892.139197][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.139197][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.139197][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.139197][T16070] netlink_unicast+0x449/0x710 [ 2892.139197][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.139197][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.139197][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.139197][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.139197][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.139197][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.139197][T16070] [ 2892.141262][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2892.141262][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2892.141262][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2892.141262][T16070] ipv6_find_idev+0x102/0x170 [ 2892.141262][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2892.141262][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2892.141262][T16070] netlink_rcv_skb+0x130/0x360 [ 2892.141262][T16070] netlink_unicast+0x449/0x710 [ 2892.141262][T16070] netlink_sendmsg+0x723/0xbe0 [ 2892.141262][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2892.141262][T16070] ___sys_sendmsg+0xee/0x170 [ 2892.141262][T16070] __sys_sendmsg+0xcd/0x170 [ 2892.141262][T16070] do_syscall_64+0xc6/0x1e0 [ 2892.141262][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2892.141262][T16070] [ 2901.608937][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2901.609340][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.609340][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.609340][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.609340][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.609340][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.609340][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.609340][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.609340][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.609340][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.609340][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.609340][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.609340][ T74] process_one_work+0x84d/0x18a0 [ 2901.609340][ T74] worker_thread+0x587/0xd30 [ 2901.609340][ T74] kthread+0x28a/0x350 [ 2901.609340][ T74] ret_from_fork+0x31/0x70 [ 2901.609340][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.609340][ T74] [ 2901.611263][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.611263][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.611263][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.611263][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.611263][ T74] ip6_route_add+0x1c/0x140 [ 2901.611263][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.611263][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.611263][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.611263][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.611263][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.611263][ T74] netlink_unicast+0x449/0x710 [ 2901.611263][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.611263][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.611263][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.611263][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.611263][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.611263][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.611263][ T74] [ 2901.613267][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.613267][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.613267][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.613267][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.613267][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.613267][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.613267][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.613267][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.613267][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.613267][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.613267][ T74] netlink_unicast+0x449/0x710 [ 2901.613267][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.613267][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.613267][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.613267][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.613267][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.613267][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.613267][ T74] [ 2901.615258][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.615258][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.615258][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.615258][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.615258][ T74] ip6_route_add+0x1c/0x140 [ 2901.615258][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.615258][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.615258][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.615258][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.615258][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.615258][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.615258][ T74] netlink_unicast+0x449/0x710 [ 2901.615258][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.615258][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.615258][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.615258][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.615258][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.615258][ T74] [ 2901.617220][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.617220][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.617220][ T74] ipv6_find_idev+0x102/0x170 [ 2901.617220][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.617220][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.617220][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.617220][ T74] netlink_unicast+0x449/0x710 [ 2901.617220][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.617220][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.617220][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.617220][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.617220][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.617220][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.617220][ T74] [ 2901.618770][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2901.618770][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.618770][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.618770][ T74] ipv6_find_idev+0x102/0x170 [ 2901.618770][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.618770][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.618770][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.618770][ T74] netlink_unicast+0x449/0x710 [ 2901.618770][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.618770][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.618770][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.618770][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.618770][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.618770][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.618770][ T74] [ 2901.620455][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2901.620695][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.620695][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.620695][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.620695][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.620695][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.620695][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.620695][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.620695][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.620695][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.620695][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.620695][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.620695][ T74] process_one_work+0x84d/0x18a0 [ 2901.620695][ T74] worker_thread+0x587/0xd30 [ 2901.620695][ T74] kthread+0x28a/0x350 [ 2901.620695][ T74] ret_from_fork+0x31/0x70 [ 2901.620695][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.620695][ T74] [ 2901.622606][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.622606][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.622606][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.622606][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.622606][ T74] ip6_route_add+0x1c/0x140 [ 2901.622606][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.622606][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.622606][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.622606][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.622606][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.622606][ T74] netlink_unicast+0x449/0x710 [ 2901.622606][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.622606][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.622606][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.622606][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.622606][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.622606][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.622606][ T74] [ 2901.624601][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.624601][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.624601][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.624601][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.624601][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.624601][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.624601][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.624601][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.624601][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.624601][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.624601][ T74] netlink_unicast+0x449/0x710 [ 2901.624601][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.624601][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.624601][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.624601][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.624601][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.624601][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.624601][ T74] [ 2901.626586][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.626586][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.626586][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.626586][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.626586][ T74] ip6_route_add+0x1c/0x140 [ 2901.626586][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.626586][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.626586][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.626586][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.626586][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.626586][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.626586][ T74] netlink_unicast+0x449/0x710 [ 2901.626586][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.626586][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.626586][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.626586][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.626586][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.626586][ T74] [ 2901.628573][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.628573][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.628573][ T74] ipv6_find_idev+0x102/0x170 [ 2901.628573][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.628573][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.628573][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.628573][ T74] netlink_unicast+0x449/0x710 [ 2901.628573][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.628573][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.628573][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.628573][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.628573][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.628573][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.628573][ T74] [ 2901.630110][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2901.630110][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.630110][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.630110][ T74] ipv6_find_idev+0x102/0x170 [ 2901.630110][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.630110][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.630110][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.630110][ T74] netlink_unicast+0x449/0x710 [ 2901.630110][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.630110][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.630110][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.630110][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.630110][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.630110][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.630110][ T74] [ 2901.631792][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2901.632043][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.632043][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.632043][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.632043][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.632043][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.632043][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.632043][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.632043][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.632043][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.632043][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.632043][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.632043][ T74] process_one_work+0x84d/0x18a0 [ 2901.632043][ T74] worker_thread+0x587/0xd30 [ 2901.632043][ T74] kthread+0x28a/0x350 [ 2901.632043][ T74] ret_from_fork+0x31/0x70 [ 2901.632043][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.632043][ T74] [ 2901.633947][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.633947][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.633947][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.633947][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.633947][ T74] ip6_route_add+0x1c/0x140 [ 2901.633947][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.633947][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.633947][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.633947][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.633947][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.633947][ T74] netlink_unicast+0x449/0x710 [ 2901.633947][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.633947][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.633947][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.633947][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.633947][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.633947][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.633947][ T74] [ 2901.636118][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.636118][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.636118][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.636118][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.636118][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.636118][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.636118][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.636118][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.636118][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.636118][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.636118][ T74] netlink_unicast+0x449/0x710 [ 2901.636118][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.636118][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.636118][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.636118][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.636118][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.636118][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.636118][ T74] [ 2901.638367][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.638367][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.638367][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.638367][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.638367][ T74] ip6_route_add+0x1c/0x140 [ 2901.638367][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.638367][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.638367][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.638367][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.638367][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.638367][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.638367][ T74] netlink_unicast+0x449/0x710 [ 2901.638367][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.638367][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.638367][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.638367][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.638367][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.638367][ T74] [ 2901.640615][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.640615][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.640615][ T74] ipv6_find_idev+0x102/0x170 [ 2901.640615][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.640615][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.640615][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.640615][ T74] netlink_unicast+0x449/0x710 [ 2901.640615][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.640615][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.640615][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.640615][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.640615][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.640615][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.640615][ T74] [ 2901.642330][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2901.642330][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.642330][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.642330][ T74] ipv6_find_idev+0x102/0x170 [ 2901.642330][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.642330][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.642330][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.642330][ T74] netlink_unicast+0x449/0x710 [ 2901.642330][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.642330][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.642330][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.642330][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.642330][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.642330][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.642330][ T74] [ 2901.644214][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2901.644450][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.644450][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.644450][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.644450][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.644450][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2901.644450][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2901.644450][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2901.644450][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2901.644450][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2901.644450][ T74] addrconf_dad_begin+0x310/0x670 [ 2901.644450][ T74] addrconf_dad_work+0x10b/0xab0 [ 2901.644450][ T74] process_one_work+0x84d/0x18a0 [ 2901.644450][ T74] worker_thread+0x587/0xd30 [ 2901.644450][ T74] kthread+0x28a/0x350 [ 2901.644450][ T74] ret_from_fork+0x31/0x70 [ 2901.644450][ T74] ret_from_fork_asm+0x1a/0x30 [ 2901.644450][ T74] [ 2901.646593][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.646593][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.646593][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.646593][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.646593][ T74] ip6_route_add+0x1c/0x140 [ 2901.646593][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2901.646593][ T74] inet6_addr_add+0x4f8/0xa40 [ 2901.646593][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.646593][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.646593][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.646593][ T74] netlink_unicast+0x449/0x710 [ 2901.646593][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.646593][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.646593][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.646593][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.646593][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.646593][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.646593][ T74] [ 2901.648919][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.648919][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.648919][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.648919][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.648919][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2901.648919][ T74] ipv6_add_addr+0x411/0x2000 [ 2901.648919][ T74] inet6_addr_add+0x30e/0xa40 [ 2901.648919][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.648919][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.648919][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.648919][ T74] netlink_unicast+0x449/0x710 [ 2901.648919][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.648919][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.648919][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.648919][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.648919][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.648919][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.648919][ T74] [ 2901.651170][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.651170][ T74] netdev_get_by_index+0x5e/0x80 [ 2901.651170][ T74] fib6_nh_init+0x3d8/0x1580 [ 2901.651170][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2901.651170][ T74] ip6_route_add+0x1c/0x140 [ 2901.651170][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2901.651170][ T74] addrconf_add_dev+0xe2/0x170 [ 2901.651170][ T74] inet6_addr_add+0x12f/0xa40 [ 2901.651170][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2901.651170][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.651170][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.651170][ T74] netlink_unicast+0x449/0x710 [ 2901.651170][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.651170][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.651170][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.651170][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.651170][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.651170][ T74] [ 2901.653312][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.653312][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2901.653312][ T74] ipv6_find_idev+0x102/0x170 [ 2901.653312][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.653312][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.653312][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.653312][ T74] netlink_unicast+0x449/0x710 [ 2901.653312][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.653312][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.653312][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.653312][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.653312][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.653312][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.653312][ T74] [ 2901.655024][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2901.655024][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2901.655024][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2901.655024][ T74] ipv6_find_idev+0x102/0x170 [ 2901.655024][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2901.655024][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2901.655024][ T74] netlink_rcv_skb+0x130/0x360 [ 2901.655024][ T74] netlink_unicast+0x449/0x710 [ 2901.655024][ T74] netlink_sendmsg+0x723/0xbe0 [ 2901.655024][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2901.655024][ T74] ___sys_sendmsg+0xee/0x170 [ 2901.655024][ T74] __sys_sendmsg+0xcd/0x170 [ 2901.655024][ T74] do_syscall_64+0xc6/0x1e0 [ 2901.655024][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2901.655024][ T74] [ 2902.376936][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2902.377448][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2902.377448][T16070] dst_init+0x84/0x4a0 [ 2902.377448][T16070] dst_alloc+0x97/0x150 [ 2902.377448][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.377448][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.377448][T16070] ip6_pol_route+0x56f/0x840 [ 2902.377448][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2902.377448][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2902.377448][T16070] fib6_rule_lookup+0x182/0x630 [ 2902.377448][T16070] ip6_route_output_flags+0x259/0x480 [ 2902.377448][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2902.377448][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2902.377448][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2902.377448][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2902.377448][T16070] ip6_datagram_connect+0x2c/0x50 [ 2902.377448][T16070] __sys_connect+0x217/0x2a0 [ 2902.377448][T16070] __x64_sys_connect+0x72/0xb0 [ 2902.377448][T16070] [ 2902.379999][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2902.379999][T16070] dst_init+0x84/0x4a0 [ 2902.379999][T16070] dst_alloc+0x97/0x150 [ 2902.379999][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.379999][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.379999][T16070] ip6_pol_route+0x56f/0x840 [ 2902.379999][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2902.379999][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2902.379999][T16070] fib6_rule_lookup+0x182/0x630 [ 2902.379999][T16070] ip6_route_output_flags+0x259/0x480 [ 2902.379999][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2902.379999][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2902.379999][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2902.379999][T16070] __inet_stream_connect+0x272/0x9f0 [ 2902.379999][T16070] inet_stream_connect+0x57/0xa0 [ 2902.379999][T16070] __sys_connect+0x217/0x2a0 [ 2902.379999][T16070] __x64_sys_connect+0x72/0xb0 [ 2902.379999][T16070] [ 2902.382495][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.382495][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2902.382495][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2902.382495][T16070] fib6_nh_init+0xa22/0x1580 [ 2902.382495][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.382495][T16070] ip6_route_add+0x1c/0x140 [ 2902.382495][T16070] inet6_rtm_newroute+0x104/0x110 [ 2902.382495][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.382495][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.382495][T16070] netlink_unicast+0x449/0x710 [ 2902.382495][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.382495][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.382495][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.382495][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.382495][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.382495][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.382495][T16070] [ 2902.384838][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.384838][T16070] dst_init+0x84/0x4a0 [ 2902.384838][T16070] dst_alloc+0x97/0x150 [ 2902.384838][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.384838][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.384838][T16070] ip6_pol_route+0x56f/0x840 [ 2902.384838][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2902.384838][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2902.384838][T16070] fib6_rule_lookup+0x182/0x630 [ 2902.384838][T16070] ip6_route_input+0x59c/0xa50 [ 2902.384838][T16070] ipv6_rcv+0x397/0x810 [ 2902.384838][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2902.384838][T16070] process_backlog+0x101/0x620 [ 2902.384838][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2902.384838][T16070] net_rx_action+0x495/0xbe0 [ 2902.384838][T16070] __do_softirq+0x1b5/0x7f6 [ 2902.384838][T16070] [ 2902.387149][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.387149][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.387149][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.387149][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.387149][T16070] ip6_route_add+0x1c/0x140 [ 2902.387149][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2902.387149][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2902.387149][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2902.387149][T16070] addrconf_dad_begin+0x310/0x670 [ 2902.387149][T16070] addrconf_dad_work+0x10b/0xab0 [ 2902.387149][T16070] process_one_work+0x84d/0x18a0 [ 2902.387149][T16070] worker_thread+0x587/0xd30 [ 2902.387149][T16070] kthread+0x28a/0x350 [ 2902.387149][T16070] ret_from_fork+0x31/0x70 [ 2902.387149][T16070] ret_from_fork_asm+0x1a/0x30 [ 2902.387149][T16070] [ 2902.389374][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.389374][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.389374][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.389374][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.389374][T16070] ip6_route_add+0x1c/0x140 [ 2902.389374][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2902.389374][T16070] inet6_addr_add+0x4f8/0xa40 [ 2902.389374][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.389374][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.389374][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.389374][T16070] netlink_unicast+0x449/0x710 [ 2902.389374][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.389374][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.389374][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.389374][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.389374][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.389374][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.389374][T16070] [ 2902.391869][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.391869][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.391869][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.391869][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.391869][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2902.391869][T16070] ipv6_add_addr+0x411/0x2000 [ 2902.391869][T16070] inet6_addr_add+0x30e/0xa40 [ 2902.391869][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.391869][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.391869][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.391869][T16070] netlink_unicast+0x449/0x710 [ 2902.391869][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.391869][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.391869][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.391869][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.391869][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.391869][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.391869][T16070] [ 2902.394354][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.394354][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.394354][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.394354][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.394354][T16070] ip6_route_add+0x1c/0x140 [ 2902.394354][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.394354][T16070] addrconf_add_dev+0xe2/0x170 [ 2902.394354][T16070] inet6_addr_add+0x12f/0xa40 [ 2902.394354][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.394354][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.394354][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.394354][T16070] netlink_unicast+0x449/0x710 [ 2902.394354][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.394354][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.394354][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.394354][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.394354][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.394354][T16070] [ 2902.396792][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.396792][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2902.396792][T16070] ipv6_find_idev+0x102/0x170 [ 2902.396792][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.396792][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.396792][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.396792][T16070] netlink_unicast+0x449/0x710 [ 2902.396792][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.396792][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.396792][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.396792][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.396792][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.396792][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.396792][T16070] [ 2902.398716][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2902.398716][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2902.398716][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2902.398716][T16070] ipv6_find_idev+0x102/0x170 [ 2902.398716][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.398716][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.398716][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.398716][T16070] netlink_unicast+0x449/0x710 [ 2902.398716][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.398716][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.398716][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.398716][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.398716][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.398716][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.398716][T16070] [ 2902.400822][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2902.401148][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2902.401148][T16070] dst_init+0x84/0x4a0 [ 2902.401148][T16070] dst_alloc+0x97/0x150 [ 2902.401148][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.401148][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.401148][T16070] ip6_pol_route+0x56f/0x840 [ 2902.401148][T16070] fib6_rule_lookup+0x334/0x630 [ 2902.401148][T16070] ip6_route_output_flags+0x259/0x480 [ 2902.401148][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2902.401148][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2902.401148][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2902.401148][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2902.401148][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2902.401148][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.401148][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.401148][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.401148][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.401148][T16070] [ 2902.403653][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.403653][T16070] dst_init+0x84/0x4a0 [ 2902.403653][T16070] dst_alloc+0x97/0x150 [ 2902.403653][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.403653][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.403653][T16070] ip6_pol_route+0x56f/0x840 [ 2902.403653][T16070] fib6_rule_lookup+0x334/0x630 [ 2902.403653][T16070] ip6_route_output_flags+0x259/0x480 [ 2902.403653][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2902.403653][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2902.403653][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2902.403653][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2902.403653][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2902.403653][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2902.403653][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2902.403653][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2902.403653][T16070] ip6_input_finish+0x120/0x260 [ 2902.403653][T16070] [ 2902.406163][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.406163][T16070] dst_init+0x84/0x4a0 [ 2902.406163][T16070] dst_alloc+0x97/0x150 [ 2902.406163][T16070] ip6_dst_alloc+0x23/0x90 [ 2902.406163][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2902.406163][T16070] ip6_pol_route+0x56f/0x840 [ 2902.406163][T16070] fib6_rule_lookup+0x456/0x630 [ 2902.406163][T16070] ip6_route_input+0x59c/0xa50 [ 2902.406163][T16070] ipv6_rcv+0x397/0x810 [ 2902.406163][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2902.406163][T16070] process_backlog+0x101/0x620 [ 2902.406163][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2902.406163][T16070] net_rx_action+0x495/0xbe0 [ 2902.406163][T16070] __do_softirq+0x1b5/0x7f6 [ 2902.406163][T16070] [ 2902.408193][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.408193][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.408193][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.408193][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.408193][T16070] ip6_route_add+0x1c/0x140 [ 2902.408193][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2902.408193][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2902.408193][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2902.408193][T16070] addrconf_dad_begin+0x310/0x670 [ 2902.408193][T16070] addrconf_dad_work+0x10b/0xab0 [ 2902.408193][T16070] process_one_work+0x84d/0x18a0 [ 2902.408193][T16070] worker_thread+0x587/0xd30 [ 2902.408193][T16070] kthread+0x28a/0x350 [ 2902.408193][T16070] ret_from_fork+0x31/0x70 [ 2902.408193][T16070] ret_from_fork_asm+0x1a/0x30 [ 2902.408193][T16070] [ 2902.410670][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.410670][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.410670][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.410670][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.410670][T16070] ip6_route_add+0x1c/0x140 [ 2902.410670][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2902.410670][T16070] inet6_addr_add+0x4f8/0xa40 [ 2902.410670][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.410670][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.410670][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.410670][T16070] netlink_unicast+0x449/0x710 [ 2902.410670][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.410670][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.410670][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.410670][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.410670][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.410670][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.410670][T16070] [ 2902.413554][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.413554][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.413554][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.413554][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.413554][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2902.413554][T16070] ipv6_add_addr+0x411/0x2000 [ 2902.413554][T16070] inet6_addr_add+0x30e/0xa40 [ 2902.413554][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.413554][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.413554][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.413554][T16070] netlink_unicast+0x449/0x710 [ 2902.413554][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.413554][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.413554][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.413554][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.413554][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.413554][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.413554][T16070] [ 2902.416343][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.416343][T16070] netdev_get_by_index+0x5e/0x80 [ 2902.416343][T16070] fib6_nh_init+0x3d8/0x1580 [ 2902.416343][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2902.416343][T16070] ip6_route_add+0x1c/0x140 [ 2902.416343][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2902.416343][T16070] addrconf_add_dev+0xe2/0x170 [ 2902.416343][T16070] inet6_addr_add+0x12f/0xa40 [ 2902.416343][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2902.416343][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.416343][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.416343][T16070] netlink_unicast+0x449/0x710 [ 2902.416343][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.416343][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.416343][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.416343][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.416343][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.416343][T16070] [ 2902.419103][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.419103][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2902.419103][T16070] ipv6_find_idev+0x102/0x170 [ 2902.419103][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.419103][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.419103][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.419103][T16070] netlink_unicast+0x449/0x710 [ 2902.419103][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.419103][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.419103][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.419103][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.419103][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.419103][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.419103][T16070] [ 2902.421162][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2902.421162][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2902.421162][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2902.421162][T16070] ipv6_find_idev+0x102/0x170 [ 2902.421162][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2902.421162][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2902.421162][T16070] netlink_rcv_skb+0x130/0x360 [ 2902.421162][T16070] netlink_unicast+0x449/0x710 [ 2902.421162][T16070] netlink_sendmsg+0x723/0xbe0 [ 2902.421162][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2902.421162][T16070] ___sys_sendmsg+0xee/0x170 [ 2902.421162][T16070] __sys_sendmsg+0xcd/0x170 [ 2902.421162][T16070] do_syscall_64+0xc6/0x1e0 [ 2902.421162][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2902.421162][T16070] [ 2911.896929][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2911.897359][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.897359][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.897359][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.897359][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.897359][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.897359][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.897359][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.897359][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.897359][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.897359][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.897359][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.897359][ T74] process_one_work+0x84d/0x18a0 [ 2911.897359][ T74] worker_thread+0x587/0xd30 [ 2911.897359][ T74] kthread+0x28a/0x350 [ 2911.897359][ T74] ret_from_fork+0x31/0x70 [ 2911.897359][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.897359][ T74] [ 2911.899337][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.899337][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.899337][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.899337][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.899337][ T74] ip6_route_add+0x1c/0x140 [ 2911.899337][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.899337][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.899337][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.899337][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.899337][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.899337][ T74] netlink_unicast+0x449/0x710 [ 2911.899337][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.899337][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.899337][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.899337][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.899337][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.899337][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.899337][ T74] [ 2911.901351][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.901351][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.901351][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.901351][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.901351][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.901351][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.901351][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.901351][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.901351][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.901351][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.901351][ T74] netlink_unicast+0x449/0x710 [ 2911.901351][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.901351][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.901351][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.901351][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.901351][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.901351][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.901351][ T74] [ 2911.903363][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.903363][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.903363][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.903363][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.903363][ T74] ip6_route_add+0x1c/0x140 [ 2911.903363][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.903363][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.903363][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.903363][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.903363][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.903363][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.903363][ T74] netlink_unicast+0x449/0x710 [ 2911.903363][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.903363][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.903363][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.903363][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.903363][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.903363][ T74] [ 2911.905346][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.905346][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.905346][ T74] ipv6_find_idev+0x102/0x170 [ 2911.905346][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.905346][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.905346][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.905346][ T74] netlink_unicast+0x449/0x710 [ 2911.905346][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.905346][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.905346][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.905346][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.905346][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.905346][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.905346][ T74] [ 2911.906903][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2911.906903][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.906903][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.906903][ T74] ipv6_find_idev+0x102/0x170 [ 2911.906903][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.906903][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.906903][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.906903][ T74] netlink_unicast+0x449/0x710 [ 2911.906903][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.906903][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.906903][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.906903][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.906903][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.906903][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.906903][ T74] [ 2911.908634][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2911.908895][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.908895][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.908895][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.908895][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.908895][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.908895][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.908895][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.908895][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.908895][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.908895][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.908895][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.908895][ T74] process_one_work+0x84d/0x18a0 [ 2911.908895][ T74] worker_thread+0x587/0xd30 [ 2911.908895][ T74] kthread+0x28a/0x350 [ 2911.908895][ T74] ret_from_fork+0x31/0x70 [ 2911.908895][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.908895][ T74] [ 2911.910818][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.910818][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.910818][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.910818][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.910818][ T74] ip6_route_add+0x1c/0x140 [ 2911.910818][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.910818][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.910818][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.910818][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.910818][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.910818][ T74] netlink_unicast+0x449/0x710 [ 2911.910818][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.910818][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.910818][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.910818][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.910818][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.910818][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.910818][ T74] [ 2911.912828][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.912828][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.912828][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.912828][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.912828][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.912828][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.912828][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.912828][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.912828][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.912828][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.912828][ T74] netlink_unicast+0x449/0x710 [ 2911.912828][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.912828][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.912828][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.912828][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.912828][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.912828][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.912828][ T74] [ 2911.914848][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.914848][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.914848][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.914848][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.914848][ T74] ip6_route_add+0x1c/0x140 [ 2911.914848][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.914848][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.914848][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.914848][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.914848][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.914848][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.914848][ T74] netlink_unicast+0x449/0x710 [ 2911.914848][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.914848][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.914848][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.914848][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.914848][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.914848][ T74] [ 2911.916827][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.916827][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.916827][ T74] ipv6_find_idev+0x102/0x170 [ 2911.916827][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.916827][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.916827][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.916827][ T74] netlink_unicast+0x449/0x710 [ 2911.916827][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.916827][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.916827][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.916827][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.916827][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.916827][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.916827][ T74] [ 2911.918386][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2911.918386][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.918386][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.918386][ T74] ipv6_find_idev+0x102/0x170 [ 2911.918386][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.918386][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.918386][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.918386][ T74] netlink_unicast+0x449/0x710 [ 2911.918386][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.918386][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.918386][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.918386][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.918386][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.918386][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.918386][ T74] [ 2911.920098][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2911.920347][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.920347][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.920347][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.920347][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.920347][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.920347][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.920347][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.920347][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.920347][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.920347][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.920347][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.920347][ T74] process_one_work+0x84d/0x18a0 [ 2911.920347][ T74] worker_thread+0x587/0xd30 [ 2911.920347][ T74] kthread+0x28a/0x350 [ 2911.920347][ T74] ret_from_fork+0x31/0x70 [ 2911.920347][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.920347][ T74] [ 2911.922292][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.922292][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.922292][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.922292][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.922292][ T74] ip6_route_add+0x1c/0x140 [ 2911.922292][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.922292][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.922292][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.922292][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.922292][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.922292][ T74] netlink_unicast+0x449/0x710 [ 2911.922292][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.922292][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.922292][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.922292][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.922292][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.922292][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.922292][ T74] [ 2911.924564][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.924564][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.924564][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.924564][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.924564][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.924564][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.924564][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.924564][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.924564][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.924564][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.924564][ T74] netlink_unicast+0x449/0x710 [ 2911.924564][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.924564][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.924564][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.924564][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.924564][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.924564][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.924564][ T74] [ 2911.926766][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.926766][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.926766][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.926766][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.926766][ T74] ip6_route_add+0x1c/0x140 [ 2911.926766][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.926766][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.926766][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.926766][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.926766][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.926766][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.926766][ T74] netlink_unicast+0x449/0x710 [ 2911.926766][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.926766][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.926766][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.926766][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.926766][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.926766][ T74] [ 2911.929058][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.929058][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.929058][ T74] ipv6_find_idev+0x102/0x170 [ 2911.929058][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.929058][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.929058][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.929058][ T74] netlink_unicast+0x449/0x710 [ 2911.929058][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.929058][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.929058][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.929058][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.929058][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.929058][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.929058][ T74] [ 2911.930799][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2911.930799][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.930799][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.930799][ T74] ipv6_find_idev+0x102/0x170 [ 2911.930799][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.930799][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.930799][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.930799][ T74] netlink_unicast+0x449/0x710 [ 2911.930799][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.930799][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.930799][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.930799][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.930799][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.930799][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.930799][ T74] [ 2911.932705][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2911.933463][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.933463][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.933463][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.933463][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.933463][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2911.933463][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2911.933463][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2911.933463][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2911.933463][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2911.933463][ T74] addrconf_dad_begin+0x310/0x670 [ 2911.933463][ T74] addrconf_dad_work+0x10b/0xab0 [ 2911.933463][ T74] process_one_work+0x84d/0x18a0 [ 2911.933463][ T74] worker_thread+0x587/0xd30 [ 2911.933463][ T74] kthread+0x28a/0x350 [ 2911.933463][ T74] ret_from_fork+0x31/0x70 [ 2911.933463][ T74] ret_from_fork_asm+0x1a/0x30 [ 2911.933463][ T74] [ 2911.935394][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.935394][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.935394][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.935394][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.935394][ T74] ip6_route_add+0x1c/0x140 [ 2911.935394][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2911.935394][ T74] inet6_addr_add+0x4f8/0xa40 [ 2911.935394][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.935394][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.935394][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.935394][ T74] netlink_unicast+0x449/0x710 [ 2911.935394][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.935394][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.935394][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.935394][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.935394][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.935394][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.935394][ T74] [ 2911.937426][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.937426][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.937426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.937426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.937426][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2911.937426][ T74] ipv6_add_addr+0x411/0x2000 [ 2911.937426][ T74] inet6_addr_add+0x30e/0xa40 [ 2911.937426][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.937426][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.937426][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.937426][ T74] netlink_unicast+0x449/0x710 [ 2911.937426][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.937426][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.937426][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.937426][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.937426][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.937426][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.937426][ T74] [ 2911.939693][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.939693][ T74] netdev_get_by_index+0x5e/0x80 [ 2911.939693][ T74] fib6_nh_init+0x3d8/0x1580 [ 2911.939693][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2911.939693][ T74] ip6_route_add+0x1c/0x140 [ 2911.939693][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2911.939693][ T74] addrconf_add_dev+0xe2/0x170 [ 2911.939693][ T74] inet6_addr_add+0x12f/0xa40 [ 2911.939693][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2911.939693][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.939693][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.939693][ T74] netlink_unicast+0x449/0x710 [ 2911.939693][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.939693][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.939693][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.939693][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.939693][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.939693][ T74] [ 2911.941991][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.941991][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2911.941991][ T74] ipv6_find_idev+0x102/0x170 [ 2911.941991][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.941991][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.941991][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.941991][ T74] netlink_unicast+0x449/0x710 [ 2911.941991][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.941991][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.941991][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.941991][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.941991][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.941991][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.941991][ T74] [ 2911.943733][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2911.943733][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2911.943733][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2911.943733][ T74] ipv6_find_idev+0x102/0x170 [ 2911.943733][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2911.943733][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2911.943733][ T74] netlink_rcv_skb+0x130/0x360 [ 2911.943733][ T74] netlink_unicast+0x449/0x710 [ 2911.943733][ T74] netlink_sendmsg+0x723/0xbe0 [ 2911.943733][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2911.943733][ T74] ___sys_sendmsg+0xee/0x170 [ 2911.943733][ T74] __sys_sendmsg+0xcd/0x170 [ 2911.943733][ T74] do_syscall_64+0xc6/0x1e0 [ 2911.943733][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2911.943733][ T74] [ 2912.664863][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2912.665366][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2912.665366][T16070] dst_init+0x84/0x4a0 [ 2912.665366][T16070] dst_alloc+0x97/0x150 [ 2912.665366][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.665366][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.665366][T16070] ip6_pol_route+0x56f/0x840 [ 2912.665366][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2912.665366][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2912.665366][T16070] fib6_rule_lookup+0x182/0x630 [ 2912.665366][T16070] ip6_route_output_flags+0x259/0x480 [ 2912.665366][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2912.665366][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2912.665366][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2912.665366][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2912.665366][T16070] ip6_datagram_connect+0x2c/0x50 [ 2912.665366][T16070] __sys_connect+0x217/0x2a0 [ 2912.665366][T16070] __x64_sys_connect+0x72/0xb0 [ 2912.665366][T16070] [ 2912.667900][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2912.667900][T16070] dst_init+0x84/0x4a0 [ 2912.667900][T16070] dst_alloc+0x97/0x150 [ 2912.667900][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.667900][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.667900][T16070] ip6_pol_route+0x56f/0x840 [ 2912.667900][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2912.667900][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2912.667900][T16070] fib6_rule_lookup+0x182/0x630 [ 2912.667900][T16070] ip6_route_output_flags+0x259/0x480 [ 2912.667900][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2912.667900][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2912.667900][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2912.667900][T16070] __inet_stream_connect+0x272/0x9f0 [ 2912.667900][T16070] inet_stream_connect+0x57/0xa0 [ 2912.667900][T16070] __sys_connect+0x217/0x2a0 [ 2912.667900][T16070] __x64_sys_connect+0x72/0xb0 [ 2912.667900][T16070] [ 2912.670365][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.670365][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2912.670365][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2912.670365][T16070] fib6_nh_init+0xa22/0x1580 [ 2912.670365][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.670365][T16070] ip6_route_add+0x1c/0x140 [ 2912.670365][T16070] inet6_rtm_newroute+0x104/0x110 [ 2912.670365][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.670365][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.670365][T16070] netlink_unicast+0x449/0x710 [ 2912.670365][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.670365][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.670365][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.670365][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.670365][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.670365][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.670365][T16070] [ 2912.672703][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.672703][T16070] dst_init+0x84/0x4a0 [ 2912.672703][T16070] dst_alloc+0x97/0x150 [ 2912.672703][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.672703][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.672703][T16070] ip6_pol_route+0x56f/0x840 [ 2912.672703][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2912.672703][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2912.672703][T16070] fib6_rule_lookup+0x182/0x630 [ 2912.672703][T16070] ip6_route_input+0x59c/0xa50 [ 2912.672703][T16070] ipv6_rcv+0x397/0x810 [ 2912.672703][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2912.672703][T16070] process_backlog+0x101/0x620 [ 2912.672703][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2912.672703][T16070] net_rx_action+0x495/0xbe0 [ 2912.672703][T16070] __do_softirq+0x1b5/0x7f6 [ 2912.672703][T16070] [ 2912.674989][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.674989][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.674989][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.674989][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.674989][T16070] ip6_route_add+0x1c/0x140 [ 2912.674989][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2912.674989][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2912.674989][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2912.674989][T16070] addrconf_dad_begin+0x310/0x670 [ 2912.674989][T16070] addrconf_dad_work+0x10b/0xab0 [ 2912.674989][T16070] process_one_work+0x84d/0x18a0 [ 2912.674989][T16070] worker_thread+0x587/0xd30 [ 2912.674989][T16070] kthread+0x28a/0x350 [ 2912.674989][T16070] ret_from_fork+0x31/0x70 [ 2912.674989][T16070] ret_from_fork_asm+0x1a/0x30 [ 2912.674989][T16070] [ 2912.677205][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.677205][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.677205][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.677205][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.677205][T16070] ip6_route_add+0x1c/0x140 [ 2912.677205][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2912.677205][T16070] inet6_addr_add+0x4f8/0xa40 [ 2912.677205][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.677205][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.677205][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.677205][T16070] netlink_unicast+0x449/0x710 [ 2912.677205][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.677205][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.677205][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.677205][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.677205][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.677205][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.677205][T16070] [ 2912.679671][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.679671][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.679671][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.679671][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.679671][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2912.679671][T16070] ipv6_add_addr+0x411/0x2000 [ 2912.679671][T16070] inet6_addr_add+0x30e/0xa40 [ 2912.679671][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.679671][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.679671][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.679671][T16070] netlink_unicast+0x449/0x710 [ 2912.679671][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.679671][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.679671][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.679671][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.679671][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.679671][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.679671][T16070] [ 2912.682172][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.682172][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.682172][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.682172][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.682172][T16070] ip6_route_add+0x1c/0x140 [ 2912.682172][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.682172][T16070] addrconf_add_dev+0xe2/0x170 [ 2912.682172][T16070] inet6_addr_add+0x12f/0xa40 [ 2912.682172][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.682172][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.682172][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.682172][T16070] netlink_unicast+0x449/0x710 [ 2912.682172][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.682172][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.682172][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.682172][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.682172][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.682172][T16070] [ 2912.684608][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.684608][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2912.684608][T16070] ipv6_find_idev+0x102/0x170 [ 2912.684608][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.684608][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.684608][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.684608][T16070] netlink_unicast+0x449/0x710 [ 2912.684608][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.684608][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.684608][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.684608][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.684608][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.684608][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.684608][T16070] [ 2912.686509][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2912.686509][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2912.686509][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2912.686509][T16070] ipv6_find_idev+0x102/0x170 [ 2912.686509][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.686509][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.686509][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.686509][T16070] netlink_unicast+0x449/0x710 [ 2912.686509][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.686509][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.686509][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.686509][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.686509][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.686509][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.686509][T16070] [ 2912.688608][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2912.688951][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2912.688951][T16070] dst_init+0x84/0x4a0 [ 2912.688951][T16070] dst_alloc+0x97/0x150 [ 2912.688951][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.688951][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.688951][T16070] ip6_pol_route+0x56f/0x840 [ 2912.688951][T16070] fib6_rule_lookup+0x334/0x630 [ 2912.688951][T16070] ip6_route_output_flags+0x259/0x480 [ 2912.688951][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2912.688951][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2912.688951][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2912.688951][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2912.688951][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2912.688951][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.688951][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.688951][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.688951][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.688951][T16070] [ 2912.691433][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.691433][T16070] dst_init+0x84/0x4a0 [ 2912.691433][T16070] dst_alloc+0x97/0x150 [ 2912.691433][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.691433][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.691433][T16070] ip6_pol_route+0x56f/0x840 [ 2912.691433][T16070] fib6_rule_lookup+0x334/0x630 [ 2912.691433][T16070] ip6_route_output_flags+0x259/0x480 [ 2912.691433][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2912.691433][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2912.691433][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2912.691433][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2912.691433][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2912.691433][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2912.691433][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2912.691433][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2912.691433][T16070] ip6_input_finish+0x120/0x260 [ 2912.691433][T16070] [ 2912.693947][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.693947][T16070] dst_init+0x84/0x4a0 [ 2912.693947][T16070] dst_alloc+0x97/0x150 [ 2912.693947][T16070] ip6_dst_alloc+0x23/0x90 [ 2912.693947][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2912.693947][T16070] ip6_pol_route+0x56f/0x840 [ 2912.693947][T16070] fib6_rule_lookup+0x456/0x630 [ 2912.693947][T16070] ip6_route_input+0x59c/0xa50 [ 2912.693947][T16070] ipv6_rcv+0x397/0x810 [ 2912.693947][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2912.693947][T16070] process_backlog+0x101/0x620 [ 2912.693947][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2912.693947][T16070] net_rx_action+0x495/0xbe0 [ 2912.693947][T16070] __do_softirq+0x1b5/0x7f6 [ 2912.693947][T16070] [ 2912.695984][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.695984][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.695984][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.695984][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.695984][T16070] ip6_route_add+0x1c/0x140 [ 2912.695984][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2912.695984][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2912.695984][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2912.695984][T16070] addrconf_dad_begin+0x310/0x670 [ 2912.695984][T16070] addrconf_dad_work+0x10b/0xab0 [ 2912.695984][T16070] process_one_work+0x84d/0x18a0 [ 2912.695984][T16070] worker_thread+0x587/0xd30 [ 2912.695984][T16070] kthread+0x28a/0x350 [ 2912.695984][T16070] ret_from_fork+0x31/0x70 [ 2912.695984][T16070] ret_from_fork_asm+0x1a/0x30 [ 2912.695984][T16070] [ 2912.698925][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.698925][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.698925][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.698925][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.698925][T16070] ip6_route_add+0x1c/0x140 [ 2912.698925][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2912.698925][T16070] inet6_addr_add+0x4f8/0xa40 [ 2912.698925][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.698925][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.698925][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.698925][T16070] netlink_unicast+0x449/0x710 [ 2912.698925][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.698925][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.698925][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.698925][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.698925][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.698925][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.698925][T16070] [ 2912.701566][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.701566][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.701566][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.701566][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.701566][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2912.701566][T16070] ipv6_add_addr+0x411/0x2000 [ 2912.701566][T16070] inet6_addr_add+0x30e/0xa40 [ 2912.701566][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.701566][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.701566][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.701566][T16070] netlink_unicast+0x449/0x710 [ 2912.701566][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.701566][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.701566][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.701566][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.701566][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.701566][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.701566][T16070] [ 2912.704225][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.704225][T16070] netdev_get_by_index+0x5e/0x80 [ 2912.704225][T16070] fib6_nh_init+0x3d8/0x1580 [ 2912.704225][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2912.704225][T16070] ip6_route_add+0x1c/0x140 [ 2912.704225][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2912.704225][T16070] addrconf_add_dev+0xe2/0x170 [ 2912.704225][T16070] inet6_addr_add+0x12f/0xa40 [ 2912.704225][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2912.704225][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.704225][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.704225][T16070] netlink_unicast+0x449/0x710 [ 2912.704225][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.704225][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.704225][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.704225][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.704225][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.704225][T16070] [ 2912.707194][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.707194][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2912.707194][T16070] ipv6_find_idev+0x102/0x170 [ 2912.707194][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.707194][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.707194][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.707194][T16070] netlink_unicast+0x449/0x710 [ 2912.707194][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.707194][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.707194][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.707194][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.707194][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.707194][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.707194][T16070] [ 2912.709202][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2912.709202][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2912.709202][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2912.709202][T16070] ipv6_find_idev+0x102/0x170 [ 2912.709202][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2912.709202][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2912.709202][T16070] netlink_rcv_skb+0x130/0x360 [ 2912.709202][T16070] netlink_unicast+0x449/0x710 [ 2912.709202][T16070] netlink_sendmsg+0x723/0xbe0 [ 2912.709202][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2912.709202][T16070] ___sys_sendmsg+0xee/0x170 [ 2912.709202][T16070] __sys_sendmsg+0xcd/0x170 [ 2912.709202][T16070] do_syscall_64+0xc6/0x1e0 [ 2912.709202][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2912.709202][T16070] [ 2922.184917][ T74] unregister_netdevice: waiting for veth3 to become free. Usage count = 7 [ 2922.185377][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.185377][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.185377][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.185377][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.185377][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.185377][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.185377][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.185377][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.185377][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.185377][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.185377][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.185377][ T74] process_one_work+0x84d/0x18a0 [ 2922.185377][ T74] worker_thread+0x587/0xd30 [ 2922.185377][ T74] kthread+0x28a/0x350 [ 2922.185377][ T74] ret_from_fork+0x31/0x70 [ 2922.185377][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.185377][ T74] [ 2922.187561][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.187561][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.187561][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.187561][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.187561][ T74] ip6_route_add+0x1c/0x140 [ 2922.187561][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.187561][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.187561][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.187561][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.187561][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.187561][ T74] netlink_unicast+0x449/0x710 [ 2922.187561][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.187561][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.187561][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.187561][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.187561][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.187561][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.187561][ T74] [ 2922.189791][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.189791][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.189791][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.189791][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.189791][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.189791][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.189791][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.189791][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.189791][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.189791][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.189791][ T74] netlink_unicast+0x449/0x710 [ 2922.189791][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.189791][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.189791][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.189791][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.189791][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.189791][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.189791][ T74] [ 2922.192015][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.192015][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.192015][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.192015][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.192015][ T74] ip6_route_add+0x1c/0x140 [ 2922.192015][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.192015][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.192015][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.192015][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.192015][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.192015][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.192015][ T74] netlink_unicast+0x449/0x710 [ 2922.192015][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.192015][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.192015][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.192015][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.192015][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.192015][ T74] [ 2922.194204][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.194204][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.194204][ T74] ipv6_find_idev+0x102/0x170 [ 2922.194204][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.194204][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.194204][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.194204][ T74] netlink_unicast+0x449/0x710 [ 2922.194204][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.194204][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.194204][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.194204][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.194204][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.194204][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.194204][ T74] [ 2922.195934][ T74] ref_tracker: veth3@ffff88800b06c5e0 has 1/6 users at [ 2922.195934][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.195934][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.195934][ T74] ipv6_find_idev+0x102/0x170 [ 2922.195934][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.195934][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.195934][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.195934][ T74] netlink_unicast+0x449/0x710 [ 2922.195934][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.195934][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.195934][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.195934][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.195934][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.195934][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.195934][ T74] [ 2922.197830][ T74] unregister_netdevice: waiting for veth4 to become free. Usage count = 7 [ 2922.198105][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.198105][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.198105][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.198105][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.198105][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.198105][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.198105][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.198105][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.198105][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.198105][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.198105][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.198105][ T74] process_one_work+0x84d/0x18a0 [ 2922.198105][ T74] worker_thread+0x587/0xd30 [ 2922.198105][ T74] kthread+0x28a/0x350 [ 2922.198105][ T74] ret_from_fork+0x31/0x70 [ 2922.198105][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.198105][ T74] [ 2922.200227][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.200227][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.200227][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.200227][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.200227][ T74] ip6_route_add+0x1c/0x140 [ 2922.200227][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.200227][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.200227][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.200227][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.200227][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.200227][ T74] netlink_unicast+0x449/0x710 [ 2922.200227][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.200227][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.200227][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.200227][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.200227][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.200227][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.200227][ T74] [ 2922.202448][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.202448][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.202448][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.202448][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.202448][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.202448][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.202448][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.202448][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.202448][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.202448][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.202448][ T74] netlink_unicast+0x449/0x710 [ 2922.202448][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.202448][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.202448][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.202448][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.202448][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.202448][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.202448][ T74] [ 2922.204666][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.204666][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.204666][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.204666][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.204666][ T74] ip6_route_add+0x1c/0x140 [ 2922.204666][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.204666][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.204666][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.204666][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.204666][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.204666][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.204666][ T74] netlink_unicast+0x449/0x710 [ 2922.204666][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.204666][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.204666][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.204666][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.204666][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.204666][ T74] [ 2922.206842][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.206842][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.206842][ T74] ipv6_find_idev+0x102/0x170 [ 2922.206842][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.206842][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.206842][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.206842][ T74] netlink_unicast+0x449/0x710 [ 2922.206842][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.206842][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.206842][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.206842][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.206842][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.206842][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.206842][ T74] [ 2922.208562][ T74] ref_tracker: veth4@ffff88800a4215e0 has 1/6 users at [ 2922.208562][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.208562][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.208562][ T74] ipv6_find_idev+0x102/0x170 [ 2922.208562][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.208562][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.208562][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.208562][ T74] netlink_unicast+0x449/0x710 [ 2922.208562][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.208562][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.208562][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.208562][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.208562][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.208562][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.208562][ T74] [ 2922.210432][ T74] unregister_netdevice: waiting for veth1 to become free. Usage count = 7 [ 2922.210694][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.210694][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.210694][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.210694][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.210694][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.210694][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.210694][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.210694][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.210694][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.210694][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.210694][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.210694][ T74] process_one_work+0x84d/0x18a0 [ 2922.210694][ T74] worker_thread+0x587/0xd30 [ 2922.210694][ T74] kthread+0x28a/0x350 [ 2922.210694][ T74] ret_from_fork+0x31/0x70 [ 2922.210694][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.210694][ T74] [ 2922.212831][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.212831][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.212831][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.212831][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.212831][ T74] ip6_route_add+0x1c/0x140 [ 2922.212831][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.212831][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.212831][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.212831][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.212831][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.212831][ T74] netlink_unicast+0x449/0x710 [ 2922.212831][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.212831][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.212831][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.212831][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.212831][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.212831][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.212831][ T74] [ 2922.215244][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.215244][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.215244][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.215244][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.215244][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.215244][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.215244][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.215244][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.215244][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.215244][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.215244][ T74] netlink_unicast+0x449/0x710 [ 2922.215244][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.215244][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.215244][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.215244][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.215244][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.215244][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.215244][ T74] [ 2922.217711][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.217711][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.217711][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.217711][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.217711][ T74] ip6_route_add+0x1c/0x140 [ 2922.217711][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.217711][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.217711][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.217711][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.217711][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.217711][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.217711][ T74] netlink_unicast+0x449/0x710 [ 2922.217711][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.217711][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.217711][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.217711][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.217711][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.217711][ T74] [ 2922.220151][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.220151][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.220151][ T74] ipv6_find_idev+0x102/0x170 [ 2922.220151][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.220151][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.220151][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.220151][ T74] netlink_unicast+0x449/0x710 [ 2922.220151][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.220151][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.220151][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.220151][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.220151][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.220151][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.220151][ T74] [ 2922.222107][ T74] ref_tracker: veth1@ffff8880080815e0 has 1/6 users at [ 2922.222107][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.222107][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.222107][ T74] ipv6_find_idev+0x102/0x170 [ 2922.222107][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.222107][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.222107][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.222107][ T74] netlink_unicast+0x449/0x710 [ 2922.222107][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.222107][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.222107][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.222107][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.222107][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.222107][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.222107][ T74] [ 2922.224170][ T74] unregister_netdevice: waiting for veth2 to become free. Usage count = 7 [ 2922.224426][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.224426][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.224426][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.224426][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.224426][ T74] addrconf_f6i_alloc+0x265/0x560 [ 2922.224426][ T74] __ipv6_dev_ac_inc+0x25f/0xb10 [ 2922.224426][ T74] addrconf_join_anycast+0x1c0/0x220 [ 2922.224426][ T74] __ipv6_ifa_notify+0x6b3/0xaf0 [ 2922.224426][ T74] addrconf_dad_completed+0x12b/0xe20 [ 2922.224426][ T74] addrconf_dad_begin+0x310/0x670 [ 2922.224426][ T74] addrconf_dad_work+0x10b/0xab0 [ 2922.224426][ T74] process_one_work+0x84d/0x18a0 [ 2922.224426][ T74] worker_thread+0x587/0xd30 [ 2922.224426][ T74] kthread+0x28a/0x350 [ 2922.224426][ T74] ret_from_fork+0x31/0x70 [ 2922.224426][ T74] ret_from_fork_asm+0x1a/0x30 [ 2922.224426][ T74] [ 2922.226776][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.226776][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.226776][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.226776][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.226776][ T74] ip6_route_add+0x1c/0x140 [ 2922.226776][ T74] addrconf_prefix_route+0x2a6/0x430 [ 2922.226776][ T74] inet6_addr_add+0x4f8/0xa40 [ 2922.226776][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.226776][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.226776][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.226776][ T74] netlink_unicast+0x449/0x710 [ 2922.226776][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.226776][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.226776][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.226776][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.226776][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.226776][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.226776][ T74] [ 2922.229249][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.229249][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.229249][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.229249][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.229249][ T74] addrconf_f6i_alloc+0x315/0x560 [ 2922.229249][ T74] ipv6_add_addr+0x411/0x2000 [ 2922.229249][ T74] inet6_addr_add+0x30e/0xa40 [ 2922.229249][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.229249][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.229249][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.229249][ T74] netlink_unicast+0x449/0x710 [ 2922.229249][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.229249][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.229249][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.229249][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.229249][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.229249][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.229249][ T74] [ 2922.231721][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.231721][ T74] netdev_get_by_index+0x5e/0x80 [ 2922.231721][ T74] fib6_nh_init+0x3d8/0x1580 [ 2922.231721][ T74] ip6_route_info_create+0xf18/0x17d0 [ 2922.231721][ T74] ip6_route_add+0x1c/0x140 [ 2922.231721][ T74] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.231721][ T74] addrconf_add_dev+0xe2/0x170 [ 2922.231721][ T74] inet6_addr_add+0x12f/0xa40 [ 2922.231721][ T74] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.231721][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.231721][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.231721][ T74] netlink_unicast+0x449/0x710 [ 2922.231721][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.231721][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.231721][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.231721][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.231721][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.231721][ T74] [ 2922.234147][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.234147][ T74] ipv6_add_dev+0x3ba/0x11c0 [ 2922.234147][ T74] ipv6_find_idev+0x102/0x170 [ 2922.234147][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.234147][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.234147][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.234147][ T74] netlink_unicast+0x449/0x710 [ 2922.234147][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.234147][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.234147][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.234147][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.234147][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.234147][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.234147][ T74] [ 2922.236051][ T74] ref_tracker: veth2@ffff88800a6145e0 has 1/6 users at [ 2922.236051][ T74] neigh_parms_alloc+0x1e5/0x510 [ 2922.236051][ T74] ipv6_add_dev+0x2fe/0x11c0 [ 2922.236051][ T74] ipv6_find_idev+0x102/0x170 [ 2922.236051][ T74] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.236051][ T74] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.236051][ T74] netlink_rcv_skb+0x130/0x360 [ 2922.236051][ T74] netlink_unicast+0x449/0x710 [ 2922.236051][ T74] netlink_sendmsg+0x723/0xbe0 [ 2922.236051][ T74] ____sys_sendmsg+0x7b2/0xa10 [ 2922.236051][ T74] ___sys_sendmsg+0xee/0x170 [ 2922.236051][ T74] __sys_sendmsg+0xcd/0x170 [ 2922.236051][ T74] do_syscall_64+0xc6/0x1e0 [ 2922.236051][ T74] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.236051][ T74] [ 2922.952930][T16070] unregister_netdevice: waiting for veth0 to become free. Usage count = 13 [ 2922.953458][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2922.953458][T16070] dst_init+0x84/0x4a0 [ 2922.953458][T16070] dst_alloc+0x97/0x150 [ 2922.953458][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.953458][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.953458][T16070] ip6_pol_route+0x56f/0x840 [ 2922.953458][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2922.953458][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2922.953458][T16070] fib6_rule_lookup+0x182/0x630 [ 2922.953458][T16070] ip6_route_output_flags+0x259/0x480 [ 2922.953458][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2922.953458][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2922.953458][T16070] ip6_datagram_dst_update+0x52d/0xc60 [ 2922.953458][T16070] __ip6_datagram_connect+0x4ee/0x1300 [ 2922.953458][T16070] ip6_datagram_connect+0x2c/0x50 [ 2922.953458][T16070] __sys_connect+0x217/0x2a0 [ 2922.953458][T16070] __x64_sys_connect+0x72/0xb0 [ 2922.953458][T16070] [ 2922.955998][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 2/12 users at [ 2922.955998][T16070] dst_init+0x84/0x4a0 [ 2922.955998][T16070] dst_alloc+0x97/0x150 [ 2922.955998][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.955998][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.955998][T16070] ip6_pol_route+0x56f/0x840 [ 2922.955998][T16070] __fib6_rule_action+0x1f3/0x5b0 [ 2922.955998][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2922.955998][T16070] fib6_rule_lookup+0x182/0x630 [ 2922.955998][T16070] ip6_route_output_flags+0x259/0x480 [ 2922.955998][T16070] ip6_dst_lookup_tail.constprop.0+0x31c/0xb60 [ 2922.955998][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2922.955998][T16070] tcp_v6_connect+0xaf3/0x1b70 [ 2922.955998][T16070] __inet_stream_connect+0x272/0x9f0 [ 2922.955998][T16070] inet_stream_connect+0x57/0xa0 [ 2922.955998][T16070] __sys_connect+0x217/0x2a0 [ 2922.955998][T16070] __x64_sys_connect+0x72/0xb0 [ 2922.955998][T16070] [ 2922.958489][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.958489][T16070] ip6_route_check_nh+0x4b8/0x6a0 [ 2922.958489][T16070] ip6_validate_gw+0x3f7/0x7b0 [ 2922.958489][T16070] fib6_nh_init+0xa22/0x1580 [ 2922.958489][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.958489][T16070] ip6_route_add+0x1c/0x140 [ 2922.958489][T16070] inet6_rtm_newroute+0x104/0x110 [ 2922.958489][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.958489][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.958489][T16070] netlink_unicast+0x449/0x710 [ 2922.958489][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.958489][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.958489][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.958489][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.958489][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.958489][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.958489][T16070] [ 2922.960805][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.960805][T16070] dst_init+0x84/0x4a0 [ 2922.960805][T16070] dst_alloc+0x97/0x150 [ 2922.960805][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.960805][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.960805][T16070] ip6_pol_route+0x56f/0x840 [ 2922.960805][T16070] __fib6_rule_action+0x47a/0x5b0 [ 2922.960805][T16070] fib_rules_lookup+0x2b4/0xa20 [ 2922.960805][T16070] fib6_rule_lookup+0x182/0x630 [ 2922.960805][T16070] ip6_route_input+0x59c/0xa50 [ 2922.960805][T16070] ipv6_rcv+0x397/0x810 [ 2922.960805][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.960805][T16070] process_backlog+0x101/0x620 [ 2922.960805][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2922.960805][T16070] net_rx_action+0x495/0xbe0 [ 2922.960805][T16070] __do_softirq+0x1b5/0x7f6 [ 2922.960805][T16070] [ 2922.963093][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.963093][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.963093][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.963093][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.963093][T16070] ip6_route_add+0x1c/0x140 [ 2922.963093][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2922.963093][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2922.963093][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2922.963093][T16070] addrconf_dad_begin+0x310/0x670 [ 2922.963093][T16070] addrconf_dad_work+0x10b/0xab0 [ 2922.963093][T16070] process_one_work+0x84d/0x18a0 [ 2922.963093][T16070] worker_thread+0x587/0xd30 [ 2922.963093][T16070] kthread+0x28a/0x350 [ 2922.963093][T16070] ret_from_fork+0x31/0x70 [ 2922.963093][T16070] ret_from_fork_asm+0x1a/0x30 [ 2922.963093][T16070] [ 2922.965317][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.965317][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.965317][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.965317][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.965317][T16070] ip6_route_add+0x1c/0x140 [ 2922.965317][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2922.965317][T16070] inet6_addr_add+0x4f8/0xa40 [ 2922.965317][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.965317][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.965317][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.965317][T16070] netlink_unicast+0x449/0x710 [ 2922.965317][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.965317][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.965317][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.965317][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.965317][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.965317][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.965317][T16070] [ 2922.967809][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.967809][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.967809][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.967809][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.967809][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2922.967809][T16070] ipv6_add_addr+0x411/0x2000 [ 2922.967809][T16070] inet6_addr_add+0x30e/0xa40 [ 2922.967809][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.967809][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.967809][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.967809][T16070] netlink_unicast+0x449/0x710 [ 2922.967809][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.967809][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.967809][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.967809][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.967809][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.967809][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.967809][T16070] [ 2922.970298][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.970298][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.970298][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.970298][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.970298][T16070] ip6_route_add+0x1c/0x140 [ 2922.970298][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.970298][T16070] addrconf_add_dev+0xe2/0x170 [ 2922.970298][T16070] inet6_addr_add+0x12f/0xa40 [ 2922.970298][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.970298][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.970298][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.970298][T16070] netlink_unicast+0x449/0x710 [ 2922.970298][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.970298][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.970298][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.970298][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.970298][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.970298][T16070] [ 2922.972743][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.972743][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2922.972743][T16070] ipv6_find_idev+0x102/0x170 [ 2922.972743][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.972743][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.972743][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.972743][T16070] netlink_unicast+0x449/0x710 [ 2922.972743][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.972743][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.972743][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.972743][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.972743][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.972743][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.972743][T16070] [ 2922.974649][T16070] ref_tracker: veth0@ffff88801c1b45e0 has 1/12 users at [ 2922.974649][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2922.974649][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2922.974649][T16070] ipv6_find_idev+0x102/0x170 [ 2922.974649][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.974649][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.974649][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.974649][T16070] netlink_unicast+0x449/0x710 [ 2922.974649][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.974649][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.974649][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.974649][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.974649][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.974649][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.974649][T16070] [ 2922.976743][T16070] unregister_netdevice: waiting for veth1 to become free. Usage count = 11 [ 2922.977085][T16070] ref_tracker: veth1@ffff88801a2795e0 has 2/10 users at [ 2922.977085][T16070] dst_init+0x84/0x4a0 [ 2922.977085][T16070] dst_alloc+0x97/0x150 [ 2922.977085][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.977085][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.977085][T16070] ip6_pol_route+0x56f/0x840 [ 2922.977085][T16070] fib6_rule_lookup+0x334/0x630 [ 2922.977085][T16070] ip6_route_output_flags+0x259/0x480 [ 2922.977085][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2922.977085][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2922.977085][T16070] ip6_sk_dst_lookup_flow+0x361/0x5b0 [ 2922.977085][T16070] udpv6_sendmsg+0xfdc/0x2830 [ 2922.977085][T16070] ____sys_sendmsg+0x3f9/0xa10 [ 2922.977085][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.977085][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.977085][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.977085][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.977085][T16070] [ 2922.979602][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.979602][T16070] dst_init+0x84/0x4a0 [ 2922.979602][T16070] dst_alloc+0x97/0x150 [ 2922.979602][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.979602][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.979602][T16070] ip6_pol_route+0x56f/0x840 [ 2922.979602][T16070] fib6_rule_lookup+0x334/0x630 [ 2922.979602][T16070] ip6_route_output_flags+0x259/0x480 [ 2922.979602][T16070] ip6_dst_lookup_tail.constprop.0+0x700/0xb60 [ 2922.979602][T16070] ip6_dst_lookup_flow+0x88/0x190 [ 2922.979602][T16070] inet6_csk_route_req+0x4af/0x6e0 [ 2922.979602][T16070] tcp_conn_request+0xa87/0x2dd0 [ 2922.979602][T16070] tcp_rcv_state_process+0x453/0x2120 [ 2922.979602][T16070] tcp_v6_do_rcv+0x34f/0x12f0 [ 2922.979602][T16070] tcp_v6_rcv+0x24fb/0x2af0 [ 2922.979602][T16070] ip6_protocol_deliver_rcu+0x125/0x1330 [ 2922.979602][T16070] ip6_input_finish+0x120/0x260 [ 2922.979602][T16070] [ 2922.982127][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.982127][T16070] dst_init+0x84/0x4a0 [ 2922.982127][T16070] dst_alloc+0x97/0x150 [ 2922.982127][T16070] ip6_dst_alloc+0x23/0x90 [ 2922.982127][T16070] ip6_rt_pcpu_alloc+0x1e6/0x520 [ 2922.982127][T16070] ip6_pol_route+0x56f/0x840 [ 2922.982127][T16070] fib6_rule_lookup+0x456/0x630 [ 2922.982127][T16070] ip6_route_input+0x59c/0xa50 [ 2922.982127][T16070] ipv6_rcv+0x397/0x810 [ 2922.982127][T16070] __netif_receive_skb_one_core+0x118/0x1b0 [ 2922.982127][T16070] process_backlog+0x101/0x620 [ 2922.982127][T16070] __napi_poll.constprop.0+0xa2/0x460 [ 2922.982127][T16070] net_rx_action+0x495/0xbe0 [ 2922.982127][T16070] __do_softirq+0x1b5/0x7f6 [ 2922.982127][T16070] [ 2922.984155][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.984155][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.984155][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.984155][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.984155][T16070] ip6_route_add+0x1c/0x140 [ 2922.984155][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2922.984155][T16070] __ipv6_ifa_notify+0x630/0xaf0 [ 2922.984155][T16070] addrconf_dad_completed+0x12b/0xe20 [ 2922.984155][T16070] addrconf_dad_begin+0x310/0x670 [ 2922.984155][T16070] addrconf_dad_work+0x10b/0xab0 [ 2922.984155][T16070] process_one_work+0x84d/0x18a0 [ 2922.984155][T16070] worker_thread+0x587/0xd30 [ 2922.984155][T16070] kthread+0x28a/0x350 [ 2922.984155][T16070] ret_from_fork+0x31/0x70 [ 2922.984155][T16070] ret_from_fork_asm+0x1a/0x30 [ 2922.984155][T16070] [ 2922.986604][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.986604][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.986604][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.986604][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.986604][T16070] ip6_route_add+0x1c/0x140 [ 2922.986604][T16070] addrconf_prefix_route+0x2a6/0x430 [ 2922.986604][T16070] inet6_addr_add+0x4f8/0xa40 [ 2922.986604][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.986604][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.986604][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.986604][T16070] netlink_unicast+0x449/0x710 [ 2922.986604][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.986604][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.986604][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.986604][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.986604][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.986604][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.986604][T16070] [ 2922.989397][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.989397][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.989397][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.989397][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.989397][T16070] addrconf_f6i_alloc+0x315/0x560 [ 2922.989397][T16070] ipv6_add_addr+0x411/0x2000 [ 2922.989397][T16070] inet6_addr_add+0x30e/0xa40 [ 2922.989397][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.989397][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.989397][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.989397][T16070] netlink_unicast+0x449/0x710 [ 2922.989397][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.989397][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.989397][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.989397][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.989397][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.989397][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.989397][T16070] [ 2922.992260][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.992260][T16070] netdev_get_by_index+0x5e/0x80 [ 2922.992260][T16070] fib6_nh_init+0x3d8/0x1580 [ 2922.992260][T16070] ip6_route_info_create+0xf18/0x17d0 [ 2922.992260][T16070] ip6_route_add+0x1c/0x140 [ 2922.992260][T16070] addrconf_add_mroute+0x1ac/0x2c0 [ 2922.992260][T16070] addrconf_add_dev+0xe2/0x170 [ 2922.992260][T16070] inet6_addr_add+0x12f/0xa40 [ 2922.992260][T16070] inet6_rtm_newaddr+0x560/0x6b0 [ 2922.992260][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.992260][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.992260][T16070] netlink_unicast+0x449/0x710 [ 2922.992260][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.992260][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.992260][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.992260][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.992260][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.992260][T16070] [ 2922.995018][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.995018][T16070] ipv6_add_dev+0x3ba/0x11c0 [ 2922.995018][T16070] ipv6_find_idev+0x102/0x170 [ 2922.995018][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.995018][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.995018][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.995018][T16070] netlink_unicast+0x449/0x710 [ 2922.995018][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.995018][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.995018][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.995018][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.995018][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.995018][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.995018][T16070] [ 2922.997084][T16070] ref_tracker: veth1@ffff88801a2795e0 has 1/10 users at [ 2922.997084][T16070] neigh_parms_alloc+0x1e5/0x510 [ 2922.997084][T16070] ipv6_add_dev+0x2fe/0x11c0 [ 2922.997084][T16070] ipv6_find_idev+0x102/0x170 [ 2922.997084][T16070] inet6_rtm_newaddr+0x37c/0x6b0 [ 2922.997084][T16070] rtnetlink_rcv_msg+0x2fb/0xbf0 [ 2922.997084][T16070] netlink_rcv_skb+0x130/0x360 [ 2922.997084][T16070] netlink_unicast+0x449/0x710 [ 2922.997084][T16070] netlink_sendmsg+0x723/0xbe0 [ 2922.997084][T16070] ____sys_sendmsg+0x7b2/0xa10 [ 2922.997084][T16070] ___sys_sendmsg+0xee/0x170 [ 2922.997084][T16070] __sys_sendmsg+0xcd/0x170 [ 2922.997084][T16070] do_syscall_64+0xc6/0x1e0 [ 2922.997084][T16070] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 2922.997084][T16070] HARD STOP (1048.59115) WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr